/*
 * 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.kylin.stream.coordinator;

import org.apache.kylin.common.KylinConfig;

public class StreamMetadataStoreFactory {
    public static final String STORE_TYPE_ZK = "zk";
    public static final String STORE_TYPE_HBASE = "hbase";
    public static final String STORE_TYPE_MOCK = "mock";

    public static StreamMetadataStore getStreamMetaDataStore() {
        KylinConfig config = KylinConfig.getInstanceFromEnv();
        return getStreamMetaDataStore(config.getStreamingMetadataStoreType());
    }

    public static StreamMetadataStore getStreamMetaDataStore(String storeType) {
        switch (storeType) {
        case STORE_TYPE_ZK:
            return getZKStreamMetaDataStore();
        case STORE_TYPE_HBASE:
            return getHBaseStreamMetaDataStore();
        case STORE_TYPE_MOCK:
            return getMockStreamMetaDataStore();
        default:
            throw new IllegalArgumentException("unSupport streaming metadata store type:" + storeType);
        }
    }

    public static StreamMetadataStore getZKStreamMetaDataStore() {
        StreamMetadataStore store = new ZookeeperStreamMetadataStore();
        return store;
    }

    public static StreamMetadataStore getHBaseStreamMetaDataStore() {
        StreamMetadataStore store = new HBaseStreamMetadataStore();
        return store;
    }

    public static StreamMetadataStore getMockStreamMetaDataStore() {
        StreamMetadataStore store = new MockStreamMetadataStore();
        return store;
    }

}
