/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.artemis.api.config;

import java.util.concurrent.TimeUnit;

import org.apache.activemq.artemis.ArtemisConstants;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.server.ComponentConfigurationRoutingType;
import org.apache.activemq.artemis.utils.critical.CriticalAnalyzerPolicy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.invoke.MethodHandles;

/**
 * Default values of ActiveMQ Artemis configuration parameters.
 */
public final class ActiveMQDefaultConfiguration {

   private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

   /*
    * <p> In order to avoid compile time in-lining of constants, all access is done through methods
    * and all fields are PRIVATE STATIC but not FINAL. This is done following the recommendation at
    * <a href="http://docs.oracle.com/javase/specs/jls/se7/html/jls-13.html#jls-13.4.9">13.4.9.
    * final Fields and Constants</a>
    * @see http://docs.oracle.com/javase/specs/jls/se7/html/jls-13.html#jls-13.4.9
    */

   private ActiveMQDefaultConfiguration() {
      // Utility class
   }

   public static long getDefaultClientFailureCheckPeriod() {
      return DEFAULT_CLIENT_FAILURE_CHECK_PERIOD;
   }

   public static long getDefaultFileDeployerScanPeriod() {
      return DEFAULT_FILE_DEPLOYER_SCAN_PERIOD;
   }

   public static int getDefaultJournalMaxIoAio() {
      return DEFAULT_JOURNAL_MAX_IO_AIO;
   }

   public static int getDefaultJournalBufferTimeoutAio() {
      return DEFAULT_JOURNAL_BUFFER_TIMEOUT_AIO;
   }

   public static int getDefaultJournalBufferSizeAio() {
      return DEFAULT_JOURNAL_BUFFER_SIZE_AIO;
   }

   public static int getDefaultJournalMaxIoNio() {
      return DEFAULT_JOURNAL_MAX_IO_NIO;
   }

   public static int getDefaultJournalBufferTimeoutNio() {
      return DEFAULT_JOURNAL_BUFFER_TIMEOUT_NIO;
   }

   public static int getDefaultJournalBufferSizeNio() {
      return DEFAULT_JOURNAL_BUFFER_SIZE_NIO;
   }

   public static String getPropMaskPassword() {
      return PROP_MASK_PASSWORD;
   }

   public static String getPropPasswordCodec() {
      return PROP_PASSWORD_CODEC;
   }

   /**
    * what kind of HA Policy should we use
    */
   public static String getDefaultHapolicyType() {
      return DEFAULT_HAPOLICY_TYPE;
   }

   /**
    * The backup strategy to use if we are a backup or for any colocated backups.
    */
   public static String getDefaultHapolicyBackupStrategy() {
      return DEFAULT_HAPOLICY_BACKUP_STRATEGY;
   }

   //shared by client and core/server
   private static long DEFAULT_CLIENT_FAILURE_CHECK_PERIOD = 30000;

   private static long DEFAULT_FILE_DEPLOYER_SCAN_PERIOD = 5000;

   // These defaults are applied depending on whether the journal type is NIO or AIO.
   private static int DEFAULT_JOURNAL_MAX_IO_AIO = 4096;
   private static int DEFAULT_JOURNAL_POOL_FILES = -1;
   private static int DEFAULT_JOURNAL_BUFFER_TIMEOUT_AIO = ArtemisConstants.DEFAULT_JOURNAL_BUFFER_TIMEOUT_AIO;
   private static int DEFAULT_JOURNAL_BUFFER_SIZE_AIO = ArtemisConstants.DEFAULT_JOURNAL_BUFFER_SIZE_AIO;
   private static int DEFAULT_JOURNAL_MAX_IO_NIO = 1;
   private static int DEFAULT_JOURNAL_BUFFER_TIMEOUT_NIO = ArtemisConstants.DEFAULT_JOURNAL_BUFFER_TIMEOUT_NIO;
   private static int DEFAULT_JOURNAL_BUFFER_SIZE_NIO = ArtemisConstants.DEFAULT_JOURNAL_BUFFER_SIZE_NIO;

   //properties passed to acceptor/connectors.
   private static String PROP_MASK_PASSWORD = "activemq.usemaskedpassword";
   private static String PROP_PASSWORD_CODEC = "activemq.passwordcodec";

   // what kind of HA Policy should we use
   private static String DEFAULT_HAPOLICY_TYPE = "NONE";

   // The backup strategy to use if we are a backup or for any colocated backups.
   private static String DEFAULT_HAPOLICY_BACKUP_STRATEGY = "FULL";

   // -------------------------------------------------------------------
   // Following fields are generated from the activemq-schema.xsd annotations
   // -------------------------------------------------------------------

   // If true then the ActiveMQ Artemis Server will make use of any Protocol Managers that are in available on the classpath. If false then only the core protocol will be available, unless in Embedded mode where users can inject their own Protocol Managers.
   private static boolean DEFAULT_RESOLVE_PROTOCOLS = true;

   // true means that the server will load configuration from the configuration files
   private static boolean DEFAULT_FILE_DEPLOYMENT_ENABLED = false;

   // true means that the server will use the file based journal for persistence.
   private static boolean DEFAULT_PERSISTENCE_ENABLED = true;

   // true means that the server will sync data files
   private static boolean DEFAULT_JOURNAL_DATASYNC = true;

   // Maximum number of threads to use for the scheduled thread pool
   private static int DEFAULT_SCHEDULED_THREAD_POOL_MAX_SIZE = 5;

   // Maximum number of threads to use for the thread pool. -1 means 'no limits'.
   private static int DEFAULT_THREAD_POOL_MAX_SIZE = 30;

   // true means that security is enabled
   private static boolean DEFAULT_SECURITY_ENABLED = true;

   // true means that graceful shutdown is enabled
   private static boolean DEFAULT_GRACEFUL_SHUTDOWN_ENABLED = false;

   // how long (in ms) to wait before forcing the server to stop even if clients are still connected (i.e circumventing graceful shutdown)
   private static long DEFAULT_GRACEFUL_SHUTDOWN_TIMEOUT = -1;

   // how long (in ms) to wait before invalidating the security cache
   private static long DEFAULT_SECURITY_INVALIDATION_INTERVAL = 10000;

   // how large to make the authentication cache
   private static long DEFAULT_AUTHENTICATION_CACHE_SIZE = 1000;

   // how large to make the authorization cache
   private static long DEFAULT_AUTHORIZATION_CACHE_SIZE = 1000;

   // how long (in ms) to wait to acquire a file lock on the journal
   private static long DEFAULT_JOURNAL_LOCK_ACQUISITION_TIMEOUT = -1;

   // true means that the server supports wild card routing
   private static boolean DEFAULT_WILDCARD_ROUTING_ENABLED = true;

   private static String DEFAULT_ADDRESS_PATH_SEPARATOR = ".";

   private static SimpleString DEFAULT_MANAGEMENT_ADDRESS = SimpleString.of("activemq.management");

   // the name of the address that consumers bind to receive management notifications
   private static SimpleString DEFAULT_MANAGEMENT_NOTIFICATION_ADDRESS = SimpleString.of("activemq.notifications");

   // The default address used for clustering, empty string means all addresses
   private static String DEFAULT_CLUSTER_ADDRESS = "";

   // Cluster username. It applies to all cluster configurations.
   private static String DEFAULT_CLUSTER_USER = "ACTIVEMQ.CLUSTER.ADMIN.USER";

   // Cluster password. It applies to all cluster configurations.
   private static String DEFAULT_CLUSTER_PASSWORD = "CHANGE ME!!";

   // This option controls whether passwords in server configuration need be masked. If set to "true" the passwords are masked.
   private static Boolean DEFAULT_MASK_PASSWORD = null;

   // true means that the management API is available via JMX
   private static boolean DEFAULT_JMX_MANAGEMENT_ENABLED = true;

   // the JMX domain used to registered ActiveMQ Artemis MBeans in the MBeanServer
   private static String DEFAULT_JMX_DOMAIN = "org.apache.activemq.artemis";

   // the JMX domain used to registered ActiveMQ Artemis MBeans in the MBeanServer
   private static boolean DEFAULT_JMX_IS_USE_BROKER_NAME = true;

   // true means that message counters are enabled
   private static boolean DEFAULT_MESSAGE_COUNTER_ENABLED = false;

   // the sample period (in ms) to use for message counters
   private static long DEFAULT_MESSAGE_COUNTER_SAMPLE_PERIOD = 10000;

   // how many days to keep message counter history
   private static int DEFAULT_MESSAGE_COUNTER_MAX_DAY_HISTORY = 10;

   // if set, this will override how long (in ms) to keep a connection alive without receiving a ping. -1 disables this setting.
   private static long DEFAULT_CONNECTION_TTL_OVERRIDE = -1;

   // should certain incoming packets on the server be handed off to a thread from the thread pool for processing or should they be handled on the remoting thread?
   private static boolean DEFAULT_ASYNC_CONNECTION_EXECUTION_ENABLED = true;

   // how long (in ms) before a transaction can be removed from the resource manager after create time
   private static long DEFAULT_TRANSACTION_TIMEOUT = 300000;

   // how often (in ms) to scan for timeout transactions
   private static long DEFAULT_TRANSACTION_TIMEOUT_SCAN_PERIOD = 1000;

   // how often (in ms) to scan for expired messages
   private static long DEFAULT_MESSAGE_EXPIRY_SCAN_PERIOD = 30000;

   // how often (in ms) to scan for addresses and queues which should be deleted
   private static long DEFAULT_ADDRESS_QUEUE_SCAN_PERIOD = 30000;

   // the priority of the thread expiring messages
   @Deprecated
   private static int DEFAULT_MESSAGE_EXPIRY_THREAD_PRIORITY = 3;

   // the size of the cache for pre-creating message ID's
   private static int DEFAULT_ID_CACHE_SIZE = 20000;

   // true means that ID's are persisted to the journal
   private static boolean DEFAULT_PERSIST_ID_CACHE = true;

   // True means that the delivery count is persisted before delivery. False means that this only happens after a message has been cancelled.
   private static boolean DEFAULT_PERSIST_DELIVERY_COUNT_BEFORE_DELIVERY = false;

   // Default Maximum number of records we would store for redeliveries
   private static int DEFAULT_MAX_REDELIVERY_RECORDS = 10;

   // the directory to store paged messages in
   private static String DEFAULT_PAGING_DIR = "data/paging";

   // the directory to store the persisted bindings to
   private static String DEFAULT_BINDINGS_DIRECTORY = "data/bindings";

   // true means that the server will create the bindings directory on start up
   private static boolean DEFAULT_CREATE_BINDINGS_DIR = true;

   // The max number of concurrent reads allowed on paging
   private static int DEFAULT_MAX_CONCURRENT_PAGE_IO = 5;

   // If true the whole page would be read, otherwise just seek and read while getting message
   private static boolean DEFAULT_READ_WHOLE_PAGE = false;

   // the directory to store the journal files in
   private static String DEFAULT_JOURNAL_DIR = "data/journal";

   // the directory to store the data files in
   private static String DEFAULT_DATA_DIR = "data";

   // true means that the journal directory will be created
   private static boolean DEFAULT_CREATE_JOURNAL_DIR = true;

   // if true wait for transaction data to be synchronized to the journal before returning response to client
   private static boolean DEFAULT_JOURNAL_SYNC_TRANSACTIONAL = true;

   private static boolean DEFAULT_LARGE_MESSAGE_SYNC = true;

   // if true wait for non transaction data to be synced to the journal before returning response to client.
   private static boolean DEFAULT_JOURNAL_SYNC_NON_TRANSACTIONAL = true;

   // Whether to log messages about the journal write rate
   private static boolean DEFAULT_JOURNAL_LOG_WRITE_RATE = false;

   // the size (in bytes) of each journal file
   private static int DEFAULT_JOURNAL_FILE_SIZE = 10485760;

   // how many journal files to pre-create
   private static int DEFAULT_JOURNAL_MIN_FILES = 2;

   // The percentage of live data on which we consider compacting the journal
   private static int DEFAULT_JOURNAL_COMPACT_PERCENTAGE = 30;

   // The time to wait when opening a new journal file before failing
   private static int DEFAULT_JOURNAL_FILE_OPEN_TIMEOUT = 5;

   // The minimal number of data files before we can start compacting
   private static int DEFAULT_JOURNAL_COMPACT_MIN_FILES = 10;

   // The maximal number of data files before we can start deleting corrupted files instead of moving them to attic.
   private static int DEFAULT_JOURNAL_MAX_ATTIC_FILES = 10;

   // Interval to log server specific information (e.g. memory usage etc)
   private static long DEFAULT_SERVER_DUMP_INTERVAL = -1;

   // Percentage of available memory which will trigger a warning log
   private static int DEFAULT_MEMORY_WARNING_THRESHOLD = 25;

   // frequency to sample JVM memory in ms (or -1 to disable memory sampling)
   private static long DEFAULT_MEMORY_MEASURE_INTERVAL = -1;

   // the directory to store large messages
   private static String DEFAULT_LARGE_MESSAGES_DIR = "data/largemessages";

   // period in milliseconds between consecutive broadcasts
   private static long DEFAULT_BROADCAST_PERIOD = 2000;

   // Period the discovery group waits after receiving the last broadcast from a particular server before removing that servers connector pair entry from its list.
   private static int DEFAULT_BROADCAST_REFRESH_TIMEOUT = 10000;

   // how long to keep a connection alive in the absence of any data arriving from the client. This should be greater than the ping period.
   private static long DEFAULT_CONNECTION_TTL = 60000;

   // multiplier to apply to successive retry intervals
   private static double DEFAULT_RETRY_INTERVAL_MULTIPLIER = 1;

   // Limit to the retry-interval growth (due to retry-interval-multiplier)
   private static long DEFAULT_MAX_RETRY_INTERVAL = 2000;

   // maximum number of initial connection attempts, -1 means 'no limits'
   private static int DEFAULT_BRIDGE_INITIAL_CONNECT_ATTEMPTS = -1;

   // maximum number of retry attempts, -1 means 'no limits'
   private static int DEFAULT_BRIDGE_RECONNECT_ATTEMPTS = -1;

   // should duplicate detection headers be inserted in forwarded messages?
   private static boolean DEFAULT_BRIDGE_DUPLICATE_DETECTION = true;

   // Once the bridge has received this many bytes, it sends a confirmation
   private static int DEFAULT_BRIDGE_CONFIRMATION_WINDOW_SIZE = 1024 * 1024 * 10;

   // Producer flow control
   private static int DEFAULT_BRIDGE_PRODUCER_WINDOW_SIZE = 1024 * 1024;

   // Upon reconnection this configures the number of time the same node on the topology will be retried before resetting the server locator and using the initial connectors
   private static int DEFAULT_BRIDGE_CONNECT_SAME_NODE = 10;

   // The period (in milliseconds) used to check if the cluster connection has failed to receive pings from another server
   private static long DEFAULT_CLUSTER_FAILURE_CHECK_PERIOD = 30000;

   // how long to keep a connection alive in the absence of any data arriving from the client
   private static long DEFAULT_CLUSTER_CONNECTION_TTL = 60000;

   // How long to wait for a reply
   private static long DEFAULT_CLUSTER_CALL_TIMEOUT = 30000;

   // period (in ms) between successive retries
   private static long DEFAULT_CLUSTER_RETRY_INTERVAL = 500;

   // multiplier to apply to the retry-interval
   private static double DEFAULT_CLUSTER_RETRY_INTERVAL_MULTIPLIER = 1;

   // Maximum value for retry-interval
   private static long DEFAULT_CLUSTER_MAX_RETRY_INTERVAL = 2000;

   // How many attempts should be made to connect initially
   private static int DEFAULT_CLUSTER_INITIAL_CONNECT_ATTEMPTS = -1;

   // How many attempts should be made to reconnect after failure
   private static int DEFAULT_CLUSTER_RECONNECT_ATTEMPTS = -1;

   // should duplicate detection headers be inserted in forwarded messages?
   private static boolean DEFAULT_CLUSTER_DUPLICATE_DETECTION = true;

   private static boolean DEFAULT_CLUSTER_FORWARD_WHEN_NO_CONSUMERS = false;

   // how should messages be load balanced?
   private static String DEFAULT_CLUSTER_MESSAGE_LOAD_BALANCING_TYPE = "ON_DEMAND";

   // maximum number of hops cluster topology is propagated
   private static int DEFAULT_CLUSTER_MAX_HOPS = 1;

   // The size (in bytes) of the window used for confirming data from the server connected to.
   private static int DEFAULT_CLUSTER_CONFIRMATION_WINDOW_SIZE = 1024 * 1024 * 10;

   // How long to wait for a reply if in the middle of a fail-over. -1 means wait forever.
   private static long DEFAULT_CLUSTER_CALL_FAILOVER_TIMEOUT = -1;

   // how often the cluster connection will notify the cluster of its existence right after joining the cluster
   private static long DEFAULT_CLUSTER_NOTIFICATION_INTERVAL = 1000;

   // how many times this cluster connection will notify the cluster of its existence right after joining the cluster
   private static int DEFAULT_CLUSTER_NOTIFICATION_ATTEMPTS = 2;

   // whether this is an exclusive divert
   private static boolean DEFAULT_DIVERT_EXCLUSIVE = false;

   // how the divert should handle the message's routing type
   private static String DEFAULT_DIVERT_ROUTING_TYPE = ComponentConfigurationRoutingType.STRIP.toString();

   // how the bridge should handle the message's routing type
   private static String DEFAULT_BRIDGE_ROUTING_TYPE = ComponentConfigurationRoutingType.PASS.toString();

   // If true then the server will request a backup on another node
   private static boolean DEFAULT_HAPOLICY_REQUEST_BACKUP = false;

   // How many times this server will try to request a backup, -1 means for ever.
   private static int DEFAULT_HAPOLICY_BACKUP_REQUEST_RETRIES = -1;

   // How long to wait for retries between attempts to request a backup server.
   private static long DEFAULT_HAPOLICY_BACKUP_REQUEST_RETRY_INTERVAL = 5000;

   // Whether or not this server will accept backup requests from other servers.
   private static int DEFAULT_HAPOLICY_MAX_BACKUPS = 1;

   // The offset to use for the Connectors and Acceptors when creating a new backup server.
   private static int DEFAULT_HAPOLICY_BACKUP_PORT_OFFSET = 100;

   // Whether to check the cluster for an active server using our own server ID when starting up. This option is only necessary for performing 'fail-back' on replicating servers. Strictly speaking this setting only applies to primary servers and not to backups.
   private static boolean DEFAULT_CHECK_FOR_ACTIVE_SERVER = false;

   // This specifies how many times a replicated backup server can restart after moving its files on start. Once there are this number of backup journal files the server will stop permanently after if fails back.
   private static int DEFAULT_MAX_SAVED_REPLICATED_JOURNALS_SIZE = 2;

   // Will this server, if a backup, restart once it has been stopped because of failback or scaling down.
   private static boolean DEFAULT_RESTART_BACKUP = true;

   // Whether a server will automatically stop when another places a request to take over its place. The use case is when a regular server stops and its backup takes over its duties, later the main server restarts and requests the server (the former backup) to stop operating.
   private static boolean DEFAULT_ALLOW_AUTO_FAILBACK = true;

   // When a replica comes online this is how long the replicating server will wait for a confirmation from the replica that the replication synchronization process is complete
   private static long DEFAULT_INITIAL_REPLICATION_SYNC_TIMEOUT = 30000;

   // Will this backup server become active on a normal server shutdown
   private static boolean DEFAULT_FAILOVER_ON_SERVER_SHUTDOWN = false;

   // Will a shared-store primary startup wait for activation
   private static boolean  DEFAULT_WAIT_FOR_ACTIVATION = true;

   // Will the broker populate the message with the name of the validated user
   private static boolean DEFAULT_POPULATE_VALIDATED_USER = false;

   // Will the broker allow messages with no validated user
   private static boolean DEFAULT_REJECT_EMPTY_VALIDATED_USER = false;

   // its possible that you only want a server to partake in scale down as a receiver, via a group. In this case set scale-down to false
   private static boolean DEFAULT_SCALE_DOWN_ENABLED = true;

   // How often to commit transactions for moving messages during scale-down
   private static int DEFAULT_SCALE_DOWN_COMMIT_INTERVAL = -1;

   // How long to wait for a decision
   private static int DEFAULT_GROUPING_HANDLER_TIMEOUT = 5000;

   // How long a group binding will be used, -1 means for ever. Bindings are removed after this wait elapses. On the remote node this is used to determine how often you should re-query the main coordinator in order to update the last time used accordingly.
   private static int DEFAULT_GROUPING_HANDLER_GROUP_TIMEOUT = -1;

   // How often the reaper will be run to check for timed out group bindings. Only valid for LOCAL handlers
   private static long DEFAULT_GROUPING_HANDLER_REAPER_PERIOD = 30000;

   // Which store type to use, options are FILE or DATABASE, FILE is default.
   private static String DEFAULT_STORE_TYPE = "FILE";

   // Default database url.  Derby database is used by default.
   private static String DEFAULT_DATABASE_URL = null;

   // Default JDBC Driver class name, derby by default just for demo purposes
   private static String DEFAULT_JDBC_DRIVER_CLASS_NAME = "org.apache.derby.jdbc.EmbeddedDriver";

   // Default JDBC Driver class name. DBCP2 BasicDataSource is used by default.
   private static String DEFAULT_JDBC_DATA_SOURCE_CLASS_NAME = "org.apache.commons.dbcp2.BasicDataSource";

   // Default message table name, used with Database storage type
   private static String DEFAULT_MESSAGE_TABLE_NAME = "MESSAGES";

   // Default bindings table name, used with Database storage type
   private static String DEFAULT_BINDINGS_TABLE_NAME = "BINDINGS";

   // Default large messages table name, used with Database storage type
   private static final String DEFAULT_LARGE_MESSAGES_TABLE_NAME = "LARGE_MESSAGES";

   // Default large messages table name, used with Database storage type
   private static final String DEFAULT_PAGE_STORE_TABLE_NAME = "PAGE_STORE";

   // Default node manager store table name, used with Database storage type
   private static final String DEFAULT_NODE_MANAGER_STORE_TABLE_NAME = "NODE_MANAGER_STORE";

   private static final int DEFAULT_JDBC_NETWORK_TIMEOUT = (int) TimeUnit.SECONDS.toMillis(20);

   private static final long DEFAULT_JDBC_LOCK_RENEW_PERIOD_MILLIS = TimeUnit.SECONDS.toMillis(4);

   private static final long DEFAULT_JDBC_LOCK_EXPIRATION_MILLIS = TimeUnit.SECONDS.toMillis(20);

   private static final long DEFAULT_JDBC_JOURNAL_SYNC_PERIOD_MILLIS = 5;

   private static final long DEFAULT_JDBC_LOCK_ACQUISITION_TIMEOUT_MILLIS = -1;

   private static final long DEFAULT_JDBC_ALLOWED_TIME_DIFF_MILLIS = 250;

   private static final int DEFAULT_JDBC_MAX_PAGE_SIZE_BYTES = 100 * 1024;

   // Default period to wait between connection TTL checks
   public static final long DEFAULT_CONNECTION_TTL_CHECK_INTERVAL = 2000;

   // Default period to wait between configuration file checks
   public static final long DEFAULT_CONFIGURATION_FILE_REFRESH_PERIOD = 5000;

   public static final boolean DEFAULT_AMQP_USE_CORE_SUBSCRIPTION_NAMING = false;

   public static final int DEFAULT_GLOBAL_MAX_MEMORY_PERCENT = 50;

   public static final long DEFAULT_GLOBAL_MAX_MESSAGES = -1;

   public static final int INITIAL_QUEUE_BUFFER_SIZE = 8192;

   public static final int DEFAULT_MAX_DISK_USAGE;

   static {
      int maxDisk;
      try {
         maxDisk = Integer.parseInt(System.getProperty(ActiveMQDefaultConfiguration.getDefaultSystemPropertyPrefix() + "maxDiskUsage", "90"));
      } catch (Throwable e) {
         // This is not really supposed to happen, so just logging it, just in case
         logger.warn(e.getMessage(), e);
         maxDisk = 90;
      }
      DEFAULT_MAX_DISK_USAGE = maxDisk;
   }

   public static final long DEFAULT_MIN_DISK_FREE = -1;

   public static final int DEFAULT_DISK_SCAN = 5000;

   public static final int DEFAULT_MAX_QUEUE_CONSUMERS = -1;

   public static final int DEFAULT_CONSUMER_PRIORITY = 0;

   public static final boolean DEFAULT_EXCLUSIVE = false;

   public static final boolean DEFAULT_LAST_VALUE = false;

   public static final SimpleString DEFAULT_LAST_VALUE_KEY = null;

   public static final boolean DEFAULT_NON_DESTRUCTIVE = false;

   public static final boolean DEFAULT_PURGE_ON_NO_CONSUMERS = false;

   public static final boolean DEFAULT_ENABLED = true;

   public static final boolean DEFAULT_INTERNAL = false;

   public static final boolean DEFAULT_QUEUE_AUTO_DELETE = true;

   public static final boolean DEFAULT_CREATED_QUEUE_AUTO_DELETE = false;

   public static final long DEFAULT_QUEUE_AUTO_DELETE_DELAY = 0;

   public static final long DEFAULT_QUEUE_AUTO_DELETE_MESSAGE_COUNT = 0;

   public static final long DEFAULT_RING_SIZE = -1;

   public static final int DEFAULT_CONSUMERS_BEFORE_DISPATCH = 0;

   public static final long DEFAULT_DELAY_BEFORE_DISPATCH = -1;

   public static final int DEFAULT_GROUP_BUCKETS = -1;

   public static final boolean DEFAULT_GROUP_REBALANCE = false;

   public static final boolean DEFAULT_GROUP_REBALANCE_PAUSE_DISPATCH = false;

   public static final SimpleString DEFAULT_GROUP_FIRST_KEY = null;

   public static final RoutingType DEFAULT_ROUTING_TYPE = RoutingType.MULTICAST;

   public static final String DEFAULT_SYSTEM_PROPERTY_PREFIX = "brokerconfig.";

   public static final String DEFAULT_SYSTEM_WEB_PROPERTY_PREFIX = "webconfig.";

   public static final String BROKER_PROPERTIES_SYSTEM_PROPERTY_NAME = "broker.properties";

   public static final String BROKER_PROPERTIES_KEY_SURROUND = "\"";

   public static final String BROKER_PROPERTIES_REMOVE_VALUE = "-";

   public static final String BROKER_PROPERTIES_KEY_SURROUND_PROPERTY = "key.surround";

   public static final String BROKER_PROPERTIES_REMOVE_VALUE_PROPERTY = "remove.value";

   public static String DEFAULT_NETWORK_CHECK_LIST = null;

   public static String DEFAULT_NETWORK_CHECK_URL_LIST = null;

   public static long DEFAULT_NETWORK_CHECK_PERIOD = 5000;

   public static int DEFAULT_NETWORK_CHECK_TIMEOUT = 1000;

   public static String DEFAULT_NETWORK_CHECK_NIC = null;

   public static final String DEFAULT_INTERNAL_NAMING_PREFIX = "$.artemis.internal.";

   public static boolean DEFAULT_VOTE_ON_REPLICATION_FAILURE = false;

   //how many times we retry a vote before restarting as a backup
   private static int DEFAULT_VOTE_RETRIES = 12;

   //how long we wait between votes, 5 secs
   private static long DEFAULT_VOTE_RETRY_WAIT = 5000;

   //how long we wait for vote result, 30 secs
   private static int DEFAULT_QUORUM_VOTE_WAIT = 30;

   private static long DEFAULT_RETRY_REPLICATION_WAIT = 2000;

   public static int DEFAULT_QUORUM_SIZE = -1;

   public static final boolean DEFAULT_ANALYZE_CRITICAL = true;

   public static final long DEFAULT_ANALYZE_CRITICAL_TIMEOUT = 120000;

   public static final long DEFAULT_RETROACTIVE_MESSAGE_COUNT = 0;

   public static final CriticalAnalyzerPolicy DEFAULT_ANALYZE_CRITICAL_POLICY = CriticalAnalyzerPolicy.LOG;

   // The period (in milliseconds) used to check if the federation connection has failed to receive pings from another server
   private static long DEFAULT_FEDERATION_FAILURE_CHECK_PERIOD = 30000;

   // how long to keep a connection alive in the absence of any data arriving from the client
   private static long DEFAULT_FEDERATION_CONNECTION_TTL = getDefaultConnectionTtl();

   // How long to wait for a reply
   private static long DEFAULT_FEDERATION_CALL_TIMEOUT = 30000;

   // period (in ms) between successive retries
   private static long DEFAULT_FEDERATION_RETRY_INTERVAL = 500;

   // multiplier to apply to the retry-interval
   private static double DEFAULT_FEDERATION_RETRY_INTERVAL_MULTIPLIER = getDefaultRetryIntervalMultiplier();

   // Maximum value for retry-interval
   private static long DEFAULT_FEDERATION_MAX_RETRY_INTERVAL = getDefaultMaxRetryInterval();

   // How many attempts should be made to connect initially
   private static int DEFAULT_FEDERATION_INITIAL_CONNECT_ATTEMPTS = -1;

   // How many attempts should be made to reconnect after failure
   private static int DEFAULT_FEDERATION_RECONNECT_ATTEMPTS = -1;

   // How long to wait for a reply if in the middle of a fail-over. -1 means wait forever.
   private static long DEFAULT_FEDERATION_CALL_FAILOVER_TIMEOUT = -1;

   // Whether or not to report JVM memory metrics
   private static final boolean DEFAULT_JVM_MEMORY_METRICS = true;

   // Whether or not to report JVM GC metrics
   private static final boolean DEFAULT_JVM_GC_METRICS = false;

   // Whether or not to report JVM thread metrics
   private static final boolean DEFAULT_JVM_THREAD_METRICS = false;

   public static final String DEFAULT_TEMPORARY_QUEUE_NAMESPACE = "";

   private static final String DEFAULT_DISTRIBUTED_PRIMITIVE_MANAGER_CLASS_NAME = "org.apache.activemq.artemis.lockmanager.zookeeper.CuratorDistributedLockManager";

   // Number of concurrent workers for a core bridge
   public static int DEFAULT_BRIDGE_CONCURRENCY = 1;

   // How long to wait for acknowledgements to arrive from the bridge's target while stopping or pausing the bridge
   public static long DEFAULT_BRIDGE_PENDING_ACK_TIMEOUT = 60000;

   // Whether or not to report Netty pool metrics
   private static final boolean DEFAULT_NETTY_POOL_METRICS = false;

   // Whether or not to report file descriptor metrics
   private static final boolean DEFAULT_FILE_DESCRIPTORS_METRICS = false;

   // Whether or not to report processor metrics
   private static final boolean DEFAULT_PROCESSOR_METRICS = false;

   // Whether or not to report uptime metrics
   private static final boolean DEFAULT_UPTIME_METRICS = false;

   // Whether or not to report logging metrics
   private static final boolean DEFAULT_LOGGING_METRICS = false;

   // Whether or not to report security cache metrics
   private static final boolean DEFAULT_SECURITY_CACHE_METRICS = false;

   // How often (in ms) to scan for expired MQTT sessions
   private static long DEFAULT_MQTT_SESSION_SCAN_INTERVAL = 500;

   // How long (in ms) to wait to persist MQTT session state
   private static long DEFAULT_MQTT_SESSION_STATE_PERSISTENCE_TIMEOUT = 5000;

   // If SESSION-notifications should be suppressed or not
   public static boolean DEFAULT_SUPPRESS_SESSION_NOTIFICATIONS = false;

   public static final long DEFAULT_EMBEDDED_WEB_SERVER_RESTART_TIMEOUT = 5000;

   public static final String DEFAULT_LITERAL_MATCH_MARKERS = null;

   private static final String DEFAULT_VIEW_PERMISSION_METHOD_MATCH_PATTERN = "^(get|is|count|list|browse|query).*$";

   private static final String DEFAULT_MANAGEMENT_RBAC_PREFIX = "mops";

   private static final boolean DEFAULT_MANAGEMENT_MESSAGE_RBAC = false;


   // These properties used to defined with this prefix.
   // I'm keeping the older property name in an attempt to guarantee compatibility
   private static final String FORMER_ACK_RETRY_CLASS_NAME = "org.apache.activemq.artemis.protocol.amqp.connect.mirror.AckRetry";
   private static final int DEFAULT_MIRROR_ACK_MANAGER_QUEUE_ATTEMPTS = Integer.parseInt(System.getProperty(FORMER_ACK_RETRY_CLASS_NAME + ".MIN_QUEUE_ATTEMPTS", "5"));;
   private static final int DEFAULT_MIRROR_ACK_MANAGER_PAGE_ATTEMPTS = Integer.parseInt(System.getProperty(FORMER_ACK_RETRY_CLASS_NAME + ".MAX_PAGE_ATTEMPT", "2"));;

   private static final int DEFAULT_MIRROR_ACK_MANAGER_RETRY_DELAY = Integer.parseInt(System.getProperty(FORMER_ACK_RETRY_CLASS_NAME + ".RETRY_DELAY", "100"));;

   private static final boolean DEFAULT_MIRROR_ACK_MANAGER_WARN_UNACKED = false;
   private static final boolean DEFAULT_MIRROR_PAGE_TRANSACTION = false;

   /**
    * If {@code true} then the ActiveMQ Artemis Server will make use of any Protocol Managers that are in available on
    * the classpath. If false then only the core protocol will be available, unless in Embedded mode where users can
    * inject their own Protocol Managers.
    */
   public static boolean isDefaultResolveProtocols() {
      return DEFAULT_RESOLVE_PROTOCOLS;
   }

   /**
    * {@code true} means that the server will load configuration from the configuration files
    */
   public static boolean isDefaultFileDeploymentEnabled() {
      return DEFAULT_FILE_DEPLOYMENT_ENABLED;
   }

   /**
    * {@code true} means that the server will use the file based journal for persistence.
    */
   public static boolean isDefaultPersistenceEnabled() {
      return DEFAULT_PERSISTENCE_ENABLED;
   }

   public static int getDefaultMaxRedeliveryRecords() {
      return DEFAULT_MAX_REDELIVERY_RECORDS;
   }

   public static boolean isDefaultJournalDatasync() {
      return DEFAULT_JOURNAL_DATASYNC;
   }

   /**
    * Maximum number of threads to use for the scheduled thread pool
    */
   public static int getDefaultScheduledThreadPoolMaxSize() {
      return DEFAULT_SCHEDULED_THREAD_POOL_MAX_SIZE;
   }

   /**
    * Maximum number of threads to use for the thread pool. -1 means 'no limits'.
    */
   public static int getDefaultThreadPoolMaxSize() {
      return DEFAULT_THREAD_POOL_MAX_SIZE;
   }

   /**
    * {@code true} means that security is enabled
    */
   public static boolean isDefaultSecurityEnabled() {
      return DEFAULT_SECURITY_ENABLED;
   }

   /**
    * {@code true} means that graceful shutdown is enabled
    */
   public static boolean isDefaultGracefulShutdownEnabled() {
      return DEFAULT_GRACEFUL_SHUTDOWN_ENABLED;
   }

   /**
    * {@code true} means that graceful shutdown is enabled
    */
   public static long getDefaultGracefulShutdownTimeout() {
      return DEFAULT_GRACEFUL_SHUTDOWN_TIMEOUT;
   }

   /**
    * how long (in ms) to wait before invalidating the security cache
    */
   public static long getDefaultSecurityInvalidationInterval() {
      return DEFAULT_SECURITY_INVALIDATION_INTERVAL;
   }

   /**
    * how large to make the authentication cache
    */
   public static long getDefaultAuthenticationCacheSize() {
      return DEFAULT_AUTHENTICATION_CACHE_SIZE;
   }

   /**
    * how large to make the authorization cache
    */
   public static long getDefaultAuthorizationCacheSize() {
      return DEFAULT_AUTHORIZATION_CACHE_SIZE;
   }

   /**
    * how long (in ms) to wait to acquire a file lock on the journal
    */
   public static long getDefaultJournalLockAcquisitionTimeout() {
      return DEFAULT_JOURNAL_LOCK_ACQUISITION_TIMEOUT;
   }

   /**
    * {@code true} means that the server supports wild card routing
    */
   public static boolean isDefaultWildcardRoutingEnabled() {
      return DEFAULT_WILDCARD_ROUTING_ENABLED;
   }

   public static String getDefaultAddressPathSeparator() {
      return DEFAULT_ADDRESS_PATH_SEPARATOR;
   }

   /**
    * the name of the management address to send management messages to. It is prefixed with "jms.queue" so that JMS
    * clients can send messages to it.
    */
   public static SimpleString getDefaultManagementAddress() {
      return DEFAULT_MANAGEMENT_ADDRESS;
   }

   /**
    * the name of the address that consumers bind to receive management notifications
    */
   public static SimpleString getDefaultManagementNotificationAddress() {
      return DEFAULT_MANAGEMENT_NOTIFICATION_ADDRESS;
   }

   /**
    * The default Cluster address for the Cluster connection
    */
   public static String getDefaultClusterAddress() {
      return DEFAULT_CLUSTER_ADDRESS;
   }

   /**
    * Cluster username. It applies to all cluster configurations.
    */
   public static String getDefaultClusterUser() {
      return DEFAULT_CLUSTER_USER;
   }

   /**
    * Cluster password. It applies to all cluster configurations.
    */
   public static String getDefaultClusterPassword() {
      return DEFAULT_CLUSTER_PASSWORD;
   }

   /**
    * Federation username. It applies to all federation configurations.
    */
   public static String getDefaultFederationUser() {
      return DEFAULT_CLUSTER_USER;
   }

   /**
    * Federation password. It applies to all federation configurations.
    */
   public static String getDefaultFederationPassword() {
      return DEFAULT_CLUSTER_PASSWORD;
   }

   /**
    * This option controls whether passwords in server configuration need be masked. If set to "true" the passwords are
    * masked.
    */
   public static Boolean isDefaultMaskPassword() {
      return DEFAULT_MASK_PASSWORD;
   }

   /**
    * {@code true} means that the management API is available via JMX
    */
   public static boolean isDefaultJmxManagementEnabled() {
      return DEFAULT_JMX_MANAGEMENT_ENABLED;
   }

   /**
    * the JMX domain used to registered ActiveMQ Artemis MBeans in the MBeanServer
    */
   public static String getDefaultJmxDomain() {
      return DEFAULT_JMX_DOMAIN;
   }

   public static boolean isDefaultJMXUseBrokerName() {
      return DEFAULT_JMX_IS_USE_BROKER_NAME;
   }

   /**
    * {@code true} means that message counters are enabled
    */
   public static boolean isDefaultMessageCounterEnabled() {
      return DEFAULT_MESSAGE_COUNTER_ENABLED;
   }

   /**
    * the sample period (in ms) to use for message counters
    */
   public static long getDefaultMessageCounterSamplePeriod() {
      return DEFAULT_MESSAGE_COUNTER_SAMPLE_PERIOD;
   }

   /**
    * how many days to keep message counter history
    */
   public static int getDefaultMessageCounterMaxDayHistory() {
      return DEFAULT_MESSAGE_COUNTER_MAX_DAY_HISTORY;
   }

   /**
    * if set, this will override how long (in ms) to keep a connection alive without receiving a ping. -1 disables this
    * setting.
    */
   public static long getDefaultConnectionTtlOverride() {
      return DEFAULT_CONNECTION_TTL_OVERRIDE;
   }

   /**
    * should certain incoming packets on the server be handed off to a thread from the thread pool for processing or
    * should they be handled on the remoting thread?
    */
   public static boolean isDefaultAsyncConnectionExecutionEnabled() {
      return DEFAULT_ASYNC_CONNECTION_EXECUTION_ENABLED;
   }

   /**
    * how long (in ms) before a transaction can be removed from the resource manager after create time
    */
   public static long getDefaultTransactionTimeout() {
      return DEFAULT_TRANSACTION_TIMEOUT;
   }

   /**
    * how often (in ms) to scan for timeout transactions
    */
   public static long getDefaultTransactionTimeoutScanPeriod() {
      return DEFAULT_TRANSACTION_TIMEOUT_SCAN_PERIOD;
   }

   /**
    * how often (in ms) to scan for expired messages
    */
   public static long getDefaultMessageExpiryScanPeriod() {
      return DEFAULT_MESSAGE_EXPIRY_SCAN_PERIOD;
   }

   /**
    * the priority of the thread expiring messages
    */
   @Deprecated
   public static int getDefaultMessageExpiryThreadPriority() {
      return DEFAULT_MESSAGE_EXPIRY_THREAD_PRIORITY;
   }

   /**
    * how often (in ms) to scan for addresses and queues which should be deleted
    */
   public static long getDefaultAddressQueueScanPeriod() {
      return DEFAULT_ADDRESS_QUEUE_SCAN_PERIOD;
   }

   // FOR TESTING
   static void setDefaultAddressQueueScanPeriod(long scanPeriod) {
      DEFAULT_ADDRESS_QUEUE_SCAN_PERIOD = scanPeriod;
   }

   /**
    * the size of the cache for pre-creating message ID's
    */
   public static int getDefaultIdCacheSize() {
      return DEFAULT_ID_CACHE_SIZE;
   }

   /**
    * {@code true} means that ID's are persisted to the journal
    */
   public static boolean isDefaultPersistIdCache() {
      return DEFAULT_PERSIST_ID_CACHE;
   }

   /**
    * {@code true} means that the delivery count is persisted before delivery. False means that this only happens after
    * a message has been cancelled.
    */
   public static boolean isDefaultPersistDeliveryCountBeforeDelivery() {
      return DEFAULT_PERSIST_DELIVERY_COUNT_BEFORE_DELIVERY;
   }

   /**
    * the directory to store paged messages in
    */
   public static String getDefaultPagingDir() {
      return DEFAULT_PAGING_DIR;
   }

   /**
    * the directory to store the persisted bindings to
    */
   public static String getDefaultBindingsDirectory() {
      return DEFAULT_BINDINGS_DIRECTORY;
   }

   /**
    * {@code true} means that the server will create the bindings directory on start up
    */
   public static boolean isDefaultCreateBindingsDir() {
      return DEFAULT_CREATE_BINDINGS_DIR;
   }

   /**
    * The max number of concurrent reads allowed on paging
    */
   public static int getDefaultMaxConcurrentPageIo() {
      return DEFAULT_MAX_CONCURRENT_PAGE_IO;
   }


   public static boolean isDefaultReadWholePage() {
      return DEFAULT_READ_WHOLE_PAGE;
   }

   /**
    * the directory to store the journal files in
    */
   public static String getDefaultJournalDir() {
      return DEFAULT_JOURNAL_DIR;
   }

   /**
    * the directory to store the journal files in
    */
   public static String getDefaultDataDir() {
      return DEFAULT_DATA_DIR;
   }

   /**
    * {@code true} means that the journal directory will be created
    */
   public static boolean isDefaultCreateJournalDir() {
      return DEFAULT_CREATE_JOURNAL_DIR;
   }

   /**
    * if {@code true} wait for transaction data to be synchronized to the journal before returning response to client
    */
   public static boolean isDefaultJournalSyncTransactional() {
      return DEFAULT_JOURNAL_SYNC_TRANSACTIONAL;
   }

   public static boolean isDefaultLargeMessageSync() {
      return DEFAULT_LARGE_MESSAGE_SYNC;
   }

   /**
    * if {@code true} wait for non transaction data to be synced to the journal before returning response to client.
    */
   public static boolean isDefaultJournalSyncNonTransactional() {
      return DEFAULT_JOURNAL_SYNC_NON_TRANSACTIONAL;
   }

   /**
    * Whether to log messages about the journal write rate
    */
   public static boolean isDefaultJournalLogWriteRate() {
      return DEFAULT_JOURNAL_LOG_WRITE_RATE;
   }

   /**
    * the size (in bytes) of each journal file
    */
   public static int getDefaultJournalFileSize() {
      return DEFAULT_JOURNAL_FILE_SIZE;
   }

   /**
    * how many journal files to pre-create
    */
   public static int getDefaultJournalMinFiles() {
      return DEFAULT_JOURNAL_MIN_FILES;
   }

   /**
    * How many journal files can be resued
    */
   public static int getDefaultJournalPoolFiles() {
      return DEFAULT_JOURNAL_POOL_FILES;
   }

   /**
    * The percentage of live data on which we consider compacting the journal
    */
   public static int getDefaultJournalCompactPercentage() {
      return DEFAULT_JOURNAL_COMPACT_PERCENTAGE;
   }

   public static int getDefaultJournalFileOpenTimeout() {
      return DEFAULT_JOURNAL_FILE_OPEN_TIMEOUT;
   }

   /**
    * The minimal number of data files before we can start compacting
    */
   public static int getDefaultJournalCompactMinFiles() {
      return DEFAULT_JOURNAL_COMPACT_MIN_FILES;
   }

   /**
    * how many journal files to be stored in the attic.
    */
   public static int getDefaultJournalMaxAtticFiles() {
      return DEFAULT_JOURNAL_MAX_ATTIC_FILES;
   }

   /**
    * Interval to log server specific information (e.g. memory usage etc)
    */
   public static long getDefaultServerDumpInterval() {
      return DEFAULT_SERVER_DUMP_INTERVAL;
   }

   /**
    * Percentage of available memory which will trigger a warning log
    */
   public static int getDefaultMemoryWarningThreshold() {
      return DEFAULT_MEMORY_WARNING_THRESHOLD;
   }

   /**
    * frequency to sample JVM memory in ms (or -1 to disable memory sampling)
    */
   public static long getDefaultMemoryMeasureInterval() {
      return DEFAULT_MEMORY_MEASURE_INTERVAL;
   }

   /**
    * the directory to store large messages
    */
   public static String getDefaultLargeMessagesDir() {
      return DEFAULT_LARGE_MESSAGES_DIR;
   }

   /**
    * period in milliseconds between consecutive broadcasts
    */
   public static long getDefaultBroadcastPeriod() {
      return DEFAULT_BROADCAST_PERIOD;
   }

   /**
    * Period the discovery group waits after receiving the last broadcast from a particular server before removing that
    * servers connector pair entry from its list.
    */
   public static int getDefaultBroadcastRefreshTimeout() {
      return DEFAULT_BROADCAST_REFRESH_TIMEOUT;
   }

   /**
    * how long to keep a connection alive in the absence of any data arriving from the client. This should be greater
    * than the ping period.
    */
   public static long getDefaultConnectionTtl() {
      return DEFAULT_CONNECTION_TTL;
   }

   /**
    * multiplier to apply to successive retry intervals
    */
   public static double getDefaultRetryIntervalMultiplier() {
      return DEFAULT_RETRY_INTERVAL_MULTIPLIER;
   }

   /**
    * Limit to the retry-interval growth (due to retry-interval-multiplier)
    */
   public static long getDefaultMaxRetryInterval() {
      return DEFAULT_MAX_RETRY_INTERVAL;
   }

   /**
    * maximum number of initial connection attempts, -1 means 'no limits'
    */
   public static int getDefaultBridgeInitialConnectAttempts() {
      return DEFAULT_BRIDGE_INITIAL_CONNECT_ATTEMPTS;
   }

   /**
    * maximum number of retry attempts, -1 means 'no limits'
    */
   public static int getDefaultBridgeReconnectAttempts() {
      return DEFAULT_BRIDGE_RECONNECT_ATTEMPTS;
   }

   /**
    * should duplicate detection headers be inserted in forwarded messages?
    */
   public static boolean isDefaultBridgeDuplicateDetection() {
      return DEFAULT_BRIDGE_DUPLICATE_DETECTION;
   }

   /**
    * Once the bridge has received this many bytes, it sends a confirmation
    */
   public static int getDefaultBridgeConfirmationWindowSize() {
      return DEFAULT_BRIDGE_CONFIRMATION_WINDOW_SIZE;
   }

   /**
    * Producer flow control
    */
   public static int getDefaultBridgeProducerWindowSize() {
      return DEFAULT_BRIDGE_PRODUCER_WINDOW_SIZE;
   }

   /**
    * Upon reconnection this configures the number of time the same node on the topology will be retried before reseting
    * the server locator and using the initial connectors
    */
   public static int getDefaultBridgeConnectSameNode() {
      return DEFAULT_BRIDGE_CONNECT_SAME_NODE;
   }

   /**
    * The period (in milliseconds) used to check if the cluster connection has failed to receive pings from another
    * server
    */
   public static long getDefaultClusterFailureCheckPeriod() {
      return DEFAULT_CLUSTER_FAILURE_CHECK_PERIOD;
   }

   /**
    * how long to keep a connection alive in the absence of any data arriving from the client
    */
   public static long getDefaultClusterConnectionTtl() {
      return DEFAULT_CLUSTER_CONNECTION_TTL;
   }

   /**
    * How long to wait for a reply
    */
   public static long getDefaultClusterCallTimeout() {
      return DEFAULT_CLUSTER_CALL_TIMEOUT;
   }

   /**
    * period (in ms) between successive retries
    */
   public static long getDefaultClusterRetryInterval() {
      return DEFAULT_CLUSTER_RETRY_INTERVAL;
   }

   /**
    * multiplier to apply to the retry-interval
    */
   public static double getDefaultClusterRetryIntervalMultiplier() {
      return DEFAULT_CLUSTER_RETRY_INTERVAL_MULTIPLIER;
   }

   /**
    * Maximum value for retry-interval
    */
   public static long getDefaultClusterMaxRetryInterval() {
      return DEFAULT_CLUSTER_MAX_RETRY_INTERVAL;
   }

   /**
    * How many attempts should be made to connect initially
    */
   public static int getDefaultClusterInitialConnectAttempts() {
      return DEFAULT_CLUSTER_INITIAL_CONNECT_ATTEMPTS;
   }

   /**
    * How many attempts should be made to reconnect after failure
    */
   public static int getDefaultClusterReconnectAttempts() {
      return DEFAULT_CLUSTER_RECONNECT_ATTEMPTS;
   }

   /**
    * should duplicate detection headers be inserted in forwarded messages?
    */
   public static boolean isDefaultClusterDuplicateDetection() {
      return DEFAULT_CLUSTER_DUPLICATE_DETECTION;
   }

   public static boolean isDefaultClusterForwardWhenNoConsumers() {
      return DEFAULT_CLUSTER_FORWARD_WHEN_NO_CONSUMERS;
   }

   /**
    * should messages be load balanced if there are no matching consumers on target?
    */
   public static String getDefaultClusterMessageLoadBalancingType() {
      return DEFAULT_CLUSTER_MESSAGE_LOAD_BALANCING_TYPE;
   }

   /**
    * maximum number of hops cluster topology is propagated
    */
   public static int getDefaultClusterMaxHops() {
      return DEFAULT_CLUSTER_MAX_HOPS;
   }

   /**
    * The size (in bytes) of the window used for confirming data from the server connected to.
    */
   public static int getDefaultClusterConfirmationWindowSize() {
      return DEFAULT_CLUSTER_CONFIRMATION_WINDOW_SIZE;
   }

   /**
    * How long to wait for a reply if in the middle of a fail-over. -1 means wait forever.
    */
   public static long getDefaultClusterCallFailoverTimeout() {
      return DEFAULT_CLUSTER_CALL_FAILOVER_TIMEOUT;
   }

   /**
    * how often the cluster connection will notify the cluster of its existence right after joining the cluster
    */
   public static long getDefaultClusterNotificationInterval() {
      return DEFAULT_CLUSTER_NOTIFICATION_INTERVAL;
   }

   /**
    * how many times this cluster connection will notify the cluster of its existence right after joining the cluster
    */
   public static int getDefaultClusterNotificationAttempts() {
      return DEFAULT_CLUSTER_NOTIFICATION_ATTEMPTS;
   }

   /**
    * whether this is an exclusive divert
    */
   public static boolean isDefaultDivertExclusive() {
      return DEFAULT_DIVERT_EXCLUSIVE;
   }

   /**
    * how the divert should handle the message's routing type
    */
   public static String getDefaultDivertRoutingType() {
      return DEFAULT_DIVERT_ROUTING_TYPE;
   }

   /**
    * how the bridge should handle the message's routing type
    */
   public static String getDefaultBridgeRoutingType() {
      return DEFAULT_BRIDGE_ROUTING_TYPE;
   }

   /**
    * If {@code true} then the server will request a backup on another node
    */
   public static boolean isDefaultHapolicyRequestBackup() {
      return DEFAULT_HAPOLICY_REQUEST_BACKUP;
   }

   /**
    * How many times the primary server will try to request a backup, -1 means for ever.
    */
   public static int getDefaultHapolicyBackupRequestRetries() {
      return DEFAULT_HAPOLICY_BACKUP_REQUEST_RETRIES;
   }

   /**
    * How long to wait for retries between attempts to request a backup server.
    */
   public static long getDefaultHapolicyBackupRequestRetryInterval() {
      return DEFAULT_HAPOLICY_BACKUP_REQUEST_RETRY_INTERVAL;
   }

   /**
    * Whether this server will accept backup requests from other servers.
    */
   public static int getDefaultHapolicyMaxBackups() {
      return DEFAULT_HAPOLICY_MAX_BACKUPS;
   }

   /**
    * The offset to use for the Connectors and Acceptors when creating a new backup server.
    */
   public static int getDefaultHapolicyBackupPortOffset() {
      return DEFAULT_HAPOLICY_BACKUP_PORT_OFFSET;
   }

   /**
    * Whether to check the cluster for an active server using our own server ID when starting up. This option is only
    * necessary for performing 'fail-back' on replicating servers. Strictly speaking this setting only applies to
    * primary servers and not to backups.
    */
   public static boolean isDefaultCheckForActiveServer() {
      return DEFAULT_CHECK_FOR_ACTIVE_SERVER;
   }

   /**
    * This specifies how many times a replicated backup server can restart after moving its files on start. Once there
    * are this number of backup journal files the server will stop permanently after if fails back.
    */
   public static int getDefaultMaxSavedReplicatedJournalsSize() {
      return DEFAULT_MAX_SAVED_REPLICATED_JOURNALS_SIZE;
   }

   /**
    * Will this server, if a backup, restart once it has been stopped because of failback or scaling down.
    */
   public static boolean isDefaultRestartBackup() {
      return DEFAULT_RESTART_BACKUP;
   }

   /**
    * Whether a server will automatically stop when another places a request to take over its place. The use case is
    * when a regular server stops and its backup takes over its duties, later the main server restarts and requests the
    * server (the former backup) to stop operating.
    */
   public static boolean isDefaultAllowAutoFailback() {
      return DEFAULT_ALLOW_AUTO_FAILBACK;
   }

   /**
    * if we have to start as a replicated server this is the delay to wait before fail-back occurs
    */
   public static long getDefaultInitialReplicationSyncTimeout() {
      return DEFAULT_INITIAL_REPLICATION_SYNC_TIMEOUT;
   }

   /**
    * if we have to start as a replicated server this is the delay to wait before fail-back occurs
    *
    * @deprecated use getDefaultInitialReplicationSyncTimeout()
    */
   @Deprecated
   public static long getDefaultFailbackDelay() {
      return 5000;
   }

   /**
    * Will this backup server become active on a normal server shutdown
    */
   public static boolean isDefaultFailoverOnServerShutdown() {
      return DEFAULT_FAILOVER_ON_SERVER_SHUTDOWN;
   }

   /**
    * Will a shared-store primary startup wait for activation
    */
   public static boolean isDefaultWaitForActivation() {
      return DEFAULT_WAIT_FOR_ACTIVATION;
   }

   /**
    * Will the broker populate the message with the name of the validated user
    */
   public static boolean isDefaultPopulateValidatedUser() {
      return DEFAULT_POPULATE_VALIDATED_USER;
   }

   public static boolean isDefaultRejectEmptyValidatedUser() {
      return DEFAULT_REJECT_EMPTY_VALIDATED_USER;
   }

   /**
    * its possible that you only want a server to partake in scale down as a receiver, via a group. In this case set
    * scale-down to false
    */
   public static boolean isDefaultScaleDownEnabled() {
      return DEFAULT_SCALE_DOWN_ENABLED;
   }

   /**
    * How often to commit transactions for moving messages during scale-down
    */
   public static int getDefaultScaleDownCommitInterval() {
      return DEFAULT_SCALE_DOWN_COMMIT_INTERVAL;
   }

   /**
    * How long to wait for a decision
    */
   public static int getDefaultGroupingHandlerTimeout() {
      return DEFAULT_GROUPING_HANDLER_TIMEOUT;
   }

   /**
    * How long a group binding will be used, -1 means for ever. Bindings are removed after this wait elapses. On the
    * remote node this is used to determine how often you should re-query the main coordinator in order to update the
    * last time used accordingly.
    */
   public static int getDefaultGroupingHandlerGroupTimeout() {
      return DEFAULT_GROUPING_HANDLER_GROUP_TIMEOUT;
   }

   /**
    * How often the reaper will be run to check for timed out group bindings. Only valid for LOCAL handlers
    */
   public static long getDefaultGroupingHandlerReaperPeriod() {
      return DEFAULT_GROUPING_HANDLER_REAPER_PERIOD;
   }

   /**
    * The default storage type.  Options are FILE and DATABASE.
    */
   public static String getDefaultStoreType() {
      return DEFAULT_STORE_TYPE;
   }

   /**
    * The default database URL, used with DATABASE store type.
    */
   public static String getDefaultDatabaseUrl() {
      return DEFAULT_DATABASE_URL;
   }

   /**
    * The default Message Journal table name, used with DATABASE store.
    */
   public static String getDefaultMessageTableName() {
      return DEFAULT_MESSAGE_TABLE_NAME;
   }

   public static String getDefaultBindingsTableName() {
      return DEFAULT_BINDINGS_TABLE_NAME;
   }

   public static String getDefaultDriverClassName() {
      return DEFAULT_JDBC_DRIVER_CLASS_NAME;
   }

   public static String getDefaultDataSourceClassName() {
      return DEFAULT_JDBC_DATA_SOURCE_CLASS_NAME;
   }

   public static String getDefaultLargeMessagesTableName() {
      return DEFAULT_LARGE_MESSAGES_TABLE_NAME;
   }

   public static String getDefaultPageStoreTableName() {
      return DEFAULT_PAGE_STORE_TABLE_NAME;
   }

   public static String getDefaultNodeManagerStoreTableName() {
      return DEFAULT_NODE_MANAGER_STORE_TABLE_NAME;
   }

   public static int getDefaultJdbcNetworkTimeout() {
      return DEFAULT_JDBC_NETWORK_TIMEOUT;
   }

   public static long getDefaultJdbcLockRenewPeriodMillis() {
      return DEFAULT_JDBC_LOCK_RENEW_PERIOD_MILLIS;
   }

   public static long getDefaultJdbcJournalSyncPeriodMillis() {
      return DEFAULT_JDBC_JOURNAL_SYNC_PERIOD_MILLIS;
   }

   public static long getDefaultJdbcLockExpirationMillis() {
      return DEFAULT_JDBC_LOCK_EXPIRATION_MILLIS;
   }

   public static long getDefaultJdbcLockAcquisitionTimeoutMillis() {
      return DEFAULT_JDBC_LOCK_ACQUISITION_TIMEOUT_MILLIS;
   }

   public static long getDefaultJdbcAllowedTimeDiffMillis() {
      return DEFAULT_JDBC_ALLOWED_TIME_DIFF_MILLIS;
   }

   public static int getDefaultJdbcMaxPageSizeBytes() {
      return DEFAULT_JDBC_MAX_PAGE_SIZE_BYTES;
   }

   public static long getDefaultConnectionTtlCheckInterval() {
      return DEFAULT_CONNECTION_TTL_CHECK_INTERVAL;
   }

   public static long getDefaultConfigurationFileRefreshPeriod() {
      return DEFAULT_CONFIGURATION_FILE_REFRESH_PERIOD;
   }

   public static boolean getDefaultAmqpUseCoreSubscriptionNaming() {
      return DEFAULT_AMQP_USE_CORE_SUBSCRIPTION_NAMING;
   }

   public static long getDefaultMaxGlobalSizeAsPercentOfJvmMaxMemory(int percentOfJvmMaxMemory) {
      return (long) (Runtime.getRuntime().maxMemory() * (percentOfJvmMaxMemory / 100.0f));
   }

   public static long getDefaultMaxGlobalMessages() {
      return DEFAULT_GLOBAL_MAX_MESSAGES;
   }

   public static int getDefaultMaxDiskUsage() {
      return DEFAULT_MAX_DISK_USAGE;
   }

   public static long getDefaultMinDiskFree() {
      return DEFAULT_MIN_DISK_FREE;
   }

   public static int getDefaultDiskScanPeriod() {
      return DEFAULT_DISK_SCAN;
   }

   public static int getDefaultMaxQueueConsumers() {
      return DEFAULT_MAX_QUEUE_CONSUMERS;
   }

   public static int getDefaultConsumerPriority() {
      return DEFAULT_CONSUMER_PRIORITY;
   }

   public static boolean getDefaultExclusive() {
      return DEFAULT_EXCLUSIVE;
   }

   public static boolean getDefaultLastValue() {
      return DEFAULT_LAST_VALUE;
   }

   public static SimpleString getDefaultLastValueKey() {
      return DEFAULT_LAST_VALUE_KEY;
   }

   public static boolean getDefaultNonDestructive() {
      return DEFAULT_NON_DESTRUCTIVE;
   }

   public static boolean getDefaultPurgeOnNoConsumers() {
      return DEFAULT_PURGE_ON_NO_CONSUMERS;
   }

   public static boolean getDefaultEnabled() {
      return DEFAULT_ENABLED;
   }

   public static boolean getDefaultInternal() {
      return DEFAULT_INTERNAL;
   }

   public static boolean getDefaultQueueAutoDelete(boolean autoCreated) {
      return autoCreated ? getDefaultQueueAutoDelete() : getDefaultCreatedQueueAutoDelete();
   }

   public static boolean getDefaultQueueAutoDelete() {
      return DEFAULT_QUEUE_AUTO_DELETE;
   }

   public static boolean getDefaultCreatedQueueAutoDelete() {
      return DEFAULT_CREATED_QUEUE_AUTO_DELETE;
   }

   public static long getDefaultQueueAutoDeleteDelay() {
      return DEFAULT_QUEUE_AUTO_DELETE_DELAY;
   }

   public static long getDefaultQueueAutoDeleteMessageCount() {
      return DEFAULT_QUEUE_AUTO_DELETE_MESSAGE_COUNT;
   }

   public static long getDefaultRingSize() {
      return DEFAULT_RING_SIZE;
   }

   public static long getDefaultRetroactiveMessageCount() {
      return DEFAULT_RETROACTIVE_MESSAGE_COUNT;
   }

   public static int getDefaultConsumersBeforeDispatch() {
      return DEFAULT_CONSUMERS_BEFORE_DISPATCH;
   }

   public static long getDefaultDelayBeforeDispatch() {
      return DEFAULT_DELAY_BEFORE_DISPATCH;
   }

   public static int getDefaultGroupBuckets() {
      return DEFAULT_GROUP_BUCKETS;
   }

   public static boolean getDefaultGroupRebalance() {
      return DEFAULT_GROUP_REBALANCE;
   }

   public static boolean getDefaultGroupRebalancePauseDispatch() {
      return DEFAULT_GROUP_REBALANCE_PAUSE_DISPATCH;
   }

   public static SimpleString getDefaultGroupFirstKey() {
      return DEFAULT_GROUP_FIRST_KEY;
   }

   public static String getInternalNamingPrefix() {
      return DEFAULT_INTERNAL_NAMING_PREFIX;
   }

   public static RoutingType getDefaultRoutingType() {
      return DEFAULT_ROUTING_TYPE;
   }

   public static String getDefaultSystemPropertyPrefix() {
      return DEFAULT_SYSTEM_PROPERTY_PREFIX;
   }

   public static String getDefaultSystemWebPropertyPrefix() {
      return DEFAULT_SYSTEM_WEB_PROPERTY_PREFIX;
   }

   public static String getDefaultBrokerPropertiesKeySurround() {
      return BROKER_PROPERTIES_KEY_SURROUND;
   }

   public static String getDefaultBrokerPropertiesRemoveValue() {
      return BROKER_PROPERTIES_REMOVE_VALUE;
   }

   public static String getDefaultNetworkCheckList() {
      return DEFAULT_NETWORK_CHECK_LIST;
   }

   public static String getDefaultNetworkCheckURLList() {
      return DEFAULT_NETWORK_CHECK_URL_LIST;
   }

   public static long getDefaultNetworkCheckPeriod() {
      return DEFAULT_NETWORK_CHECK_PERIOD;
   }

   public static int getDefaultNetworkCheckTimeout() {
      return DEFAULT_NETWORK_CHECK_TIMEOUT;
   }

   public static String getDefaultNetworkCheckNic() {
      return DEFAULT_NETWORK_CHECK_NIC;
   }

   public static boolean getDefaultVoteOnReplicationFailure() {
      return DEFAULT_VOTE_ON_REPLICATION_FAILURE;
   }

   public static int getDefaultQuorumSize() {
      return DEFAULT_QUORUM_SIZE;
   }


   public static boolean getCriticalAnalyzer() {
      return DEFAULT_ANALYZE_CRITICAL;
   }

   public static long getCriticalAnalyzerTimeout() {
      return DEFAULT_ANALYZE_CRITICAL_TIMEOUT;
   }

   public static long getCriticalAnalyzerCheckPeriod(long timeout) {
      // this will be 0, the implementation should return 1/2 of the configured critical timeout
      return timeout / 2;
   }

   public static CriticalAnalyzerPolicy getCriticalAnalyzerPolicy() {
      return DEFAULT_ANALYZE_CRITICAL_POLICY;
   }


   public static int getDefaultVoteRetries() {
      return DEFAULT_VOTE_RETRIES;
   }

   public static long getDefaultVoteRetryWait() {
      return DEFAULT_VOTE_RETRY_WAIT;
   }

   public static int getDefaultQuorumVoteWait() {
      return DEFAULT_QUORUM_VOTE_WAIT;
   }

   public static long getDefaultRetryReplicationWait() {
      return DEFAULT_RETRY_REPLICATION_WAIT;
   }

   /**
    * The period (in milliseconds) used to check if the federation connection has failed to receive pings from another
    * server
    */
   public static long getDefaultFederationFailureCheckPeriod() {
      return DEFAULT_FEDERATION_FAILURE_CHECK_PERIOD;
   }

   /**
    * how long to keep a connection alive in the absence of any data arriving from the client
    */
   public static long getDefaultFederationConnectionTtl() {
      return DEFAULT_FEDERATION_CONNECTION_TTL;
   }

   /**
    * How long to wait for a reply
    */
   public static long getDefaultFederationCallTimeout() {
      return DEFAULT_FEDERATION_CALL_TIMEOUT;
   }

   /**
    * period (in ms) between successive retries
    */
   public static long getDefaultFederationRetryInterval() {
      return DEFAULT_FEDERATION_RETRY_INTERVAL;
   }

   /**
    * multiplier to apply to the retry-interval
    */
   public static double getDefaultFederationRetryIntervalMultiplier() {
      return DEFAULT_FEDERATION_RETRY_INTERVAL_MULTIPLIER;
   }

   /**
    * Maximum value for retry-interval
    */
   public static long getDefaultFederationMaxRetryInterval() {
      return DEFAULT_FEDERATION_MAX_RETRY_INTERVAL;
   }

   /**
    * How many attempts should be made to connect initially
    */
   public static int getDefaultFederationInitialConnectAttempts() {
      return DEFAULT_FEDERATION_INITIAL_CONNECT_ATTEMPTS;
   }

   /**
    * How many attempts should be made to reconnect after failure
    */
   public static int getDefaultFederationReconnectAttempts() {
      return DEFAULT_FEDERATION_RECONNECT_ATTEMPTS;
   }

   /**
    * How long to wait for a reply if in the middle of a fail-over. -1 means wait forever.
    */
   public static long getDefaultFederationCallFailoverTimeout() {
      return DEFAULT_FEDERATION_CALL_FAILOVER_TIMEOUT;
   }

   /**
    * Whether to report JVM memory metrics
    */
   public static boolean getDefaultJvmMemoryMetrics() {
      return DEFAULT_JVM_MEMORY_METRICS;
   }

   /**
    * Whether to report JVM GC metrics
    */
   public static boolean getDefaultJvmGcMetrics() {
      return DEFAULT_JVM_GC_METRICS;
   }

   /**
    * Whether to report JVM thread metrics
    */
   public static boolean getDefaultJvmThreadMetrics() {
      return DEFAULT_JVM_THREAD_METRICS;
   }

   public static String getDefaultTemporaryQueueNamespace() {
      return DEFAULT_TEMPORARY_QUEUE_NAMESPACE;
   }

   public static String getDefaultDistributedLockManagerClassName() {
      return DEFAULT_DISTRIBUTED_PRIMITIVE_MANAGER_CLASS_NAME;
   }

   public static int getDefaultBridgeConcurrency() {
      return DEFAULT_BRIDGE_CONCURRENCY;
   }

   public static long getDefaultBridgePendingAckTimeout() {
      return DEFAULT_BRIDGE_PENDING_ACK_TIMEOUT;
   }

   /**
    * Whether to report Netty pool metrics
    */
   public static Boolean getDefaultNettyPoolMetrics() {
      return DEFAULT_NETTY_POOL_METRICS;
   }

   /**
    * Whether to report file descriptor metrics
    */
   public static Boolean getDefaultFileDescriptorsMetrics() {
      return DEFAULT_FILE_DESCRIPTORS_METRICS;
   }

   /**
    * Whether to report processor metrics
    */
   public static Boolean getDefaultProcessorMetrics() {
      return DEFAULT_PROCESSOR_METRICS;
   }

   /**
    * Whether to report uptime metrics
    */
   public static Boolean getDefaultUptimeMetrics() {
      return DEFAULT_UPTIME_METRICS;
   }

   /**
    * Whether to report logging metrics
    */
   public static Boolean getDefaultLoggingMetrics() {
      return DEFAULT_LOGGING_METRICS;
   }

   /**
    * Whether to report security cache metrics
    */
   public static Boolean getDefaultSecurityCacheMetrics() {
      return DEFAULT_SECURITY_CACHE_METRICS;
   }

   /**
    * How often (in ms) to scan for expired MQTT sessions
    */
   public static long getMqttSessionScanInterval() {
      return DEFAULT_MQTT_SESSION_SCAN_INTERVAL;
   }

   /**
    * How long (in ms) to wait to persist MQTT session state
    */
   public static long getMqttSessionStatePersistenceTimeout() {
      return DEFAULT_MQTT_SESSION_STATE_PERSISTENCE_TIMEOUT;
   }

   public static boolean getDefaultSuppressSessionNotifications() {
      return DEFAULT_SUPPRESS_SESSION_NOTIFICATIONS;
   }

   public static long getDefaultEmbeddedWebServerRestartTimeout() {
      return DEFAULT_EMBEDDED_WEB_SERVER_RESTART_TIMEOUT;
   }

   public static String getLiteralMatchMarkers() {
      return DEFAULT_LITERAL_MATCH_MARKERS;
   }

   public static String getViewPermissionMethodMatchPattern() {
      return DEFAULT_VIEW_PERMISSION_METHOD_MATCH_PATTERN;
   }

   public static String getManagementRbacPrefix() {
      return DEFAULT_MANAGEMENT_RBAC_PREFIX;
   }

   public static boolean getManagementMessagesRbac() {
      return DEFAULT_MANAGEMENT_MESSAGE_RBAC;
   }


   /*
    * This configures the Mirror Ack Manager number of attempts on queues before trying page acks.
    * It is not intended to be configured through the XML.
    * The default value here is 5.
    */
   public static int getMirrorAckManagerQueueAttempts() {
      return DEFAULT_MIRROR_ACK_MANAGER_QUEUE_ATTEMPTS;
   }

   public static int getMirrorAckManagerPageAttempts() {
      return DEFAULT_MIRROR_ACK_MANAGER_PAGE_ATTEMPTS;
   }

   public static boolean getMirrorAckManagerWarnUnacked() {
      return DEFAULT_MIRROR_ACK_MANAGER_WARN_UNACKED;
   }

   public static int getMirrorAckManagerRetryDelay() {
      return DEFAULT_MIRROR_ACK_MANAGER_RETRY_DELAY;
   }

   public static boolean getMirrorPageTransaction() {
      return DEFAULT_MIRROR_PAGE_TRANSACTION;
   }

   /**
    * the initial size of the intermediate message buffer used for queues
    */
   public static int getInitialQueueBufferSize() {
      return INITIAL_QUEUE_BUFFER_SIZE;
   }
}
