/*
 * 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.jena.tdb2.params;

import org.apache.jena.dboe.base.block.FileMode;

/** Store parameters that can be adjusted after a store has been created,
 *  and given different values when the JVM attaches to a store area.
 *  (They are still fixed for any given database once created in a JVM.)
 */

public interface StoreParamsDynamic {

    /** Store-wide file access mode */
    public FileMode getFileMode();
    public boolean isSetFileMode();

    /** Block read cache (note: mapped files do not have a block cache) */
    public Integer getBlockReadCacheSize();
    public boolean isSetBlockReadCacheSize();

    /** Block write cache (note: mapped files do not have a block cache) */
    public Integer getBlockWriteCacheSize();
    public boolean isSetBlockWriteCacheSize();

    /** Node cache for Node{@literal ->}NodeId. */
    public Integer getNode2NodeIdCacheSize();
    public boolean isSetNode2NodeIdCacheSize();

    /** Node cache for NodeId{@literal ->}Node. Important for SPARQL results. */
    public Integer getNodeId2NodeCacheSize();
    public boolean isSetNodeId2NodeCacheSize();

    /** Node cache for recording known misses */
    public Integer getNodeMissCacheSize();
    public boolean isSetNodeMissCacheSize();
}

