/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.databridge.core.definitionstore;
import org.wso2.carbon.databridge.commons.StreamDefinition;
import org.wso2.carbon.databridge.commons.utils.DataBridgeCommonsUtils;
import org.wso2.carbon.databridge.core.exception.StreamDefinitionStoreException;
import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;
/**
* The in memory implementation of the Event Stream definition Store
*/
public class InMemoryStreamDefinitionStore extends
AbstractStreamDefinitionStore {
private ConcurrentHashMap<String, StreamDefinition> streamDefinitionStore = new ConcurrentHashMap<String, StreamDefinition>();
@Override
public boolean removeStreamDefinition(String name, String version, int tenantId) {
if (null != streamDefinitionStore.remove(DataBridgeCommonsUtils.generateStreamId(name, version))) {
return true;
}
return false;
}
@Override
public void saveStreamDefinitionToStore(StreamDefinition streamDefinition, int tenantId)
throws StreamDefinitionStoreException {
streamDefinitionStore.put(streamDefinition.getStreamId(), streamDefinition);
}
public StreamDefinition getStreamDefinitionFromStore(String name, String version, int tenantId)
throws StreamDefinitionStoreException {
return getStreamDefinition(DataBridgeCommonsUtils.generateStreamId(name, version), tenantId);
}
@Override
public StreamDefinition getStreamDefinitionFromStore(String streamId, int tenantId)
throws StreamDefinitionStoreException {
return streamDefinitionStore.get(streamId);
}
public Collection<StreamDefinition> getAllStreamDefinitionsFromStore(int tenantId) {
if (streamDefinitionStore != null) {
return streamDefinitionStore.values();
}
return null;
}
}