org.camunda.bpm.engine.impl.history.handler.CompositeDbHistoryEventHandler Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.history.handler;
import java.util.List;
/**
* A {@link CompositeHistoryEventHandler} implementation which additionally adds
* to the list of {@link HistoryEventHandler} the {@link DbHistoryEventHandler}
* which persists events to a database.
*
* @author Alexander Tyatenkov
*
*/
public class CompositeDbHistoryEventHandler extends CompositeHistoryEventHandler {
/**
* Non-argument constructor that adds {@link DbHistoryEventHandler} to the
* list of {@link HistoryEventHandler}.
*/
public CompositeDbHistoryEventHandler() {
super();
addDefaultDbHistoryEventHandler();
}
/**
* Constructor that takes a varargs parameter {@link HistoryEventHandler} that
* consume the event and adds {@link DbHistoryEventHandler} to the list of
* {@link HistoryEventHandler}.
*
* @param historyEventHandlers
* the list of {@link HistoryEventHandler} that consume the event.
*/
public CompositeDbHistoryEventHandler(final HistoryEventHandler... historyEventHandlers) {
super(historyEventHandlers);
addDefaultDbHistoryEventHandler();
}
/**
* Constructor that takes a list of {@link HistoryEventHandler} that consume
* the event and adds {@link DbHistoryEventHandler} to the list of
* {@link HistoryEventHandler}.
*
* @param historyEventHandlers
* the list of {@link HistoryEventHandler} that consume the event.
*/
public CompositeDbHistoryEventHandler(final List historyEventHandlers) {
super(historyEventHandlers);
addDefaultDbHistoryEventHandler();
}
/**
* Add {@link DbHistoryEventHandler} to the list of
* {@link HistoryEventHandler}.
*/
private void addDefaultDbHistoryEventHandler() {
historyEventHandlers.add(new DbHistoryEventHandler());
}
}