org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceHistoryListener 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.persistence.entity;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope;
import org.camunda.bpm.engine.impl.core.variable.scope.VariableInstanceLifecycleListener;
import org.camunda.bpm.engine.impl.history.HistoryLevel;
import org.camunda.bpm.engine.impl.history.event.HistoryEvent;
import org.camunda.bpm.engine.impl.history.event.HistoryEventProcessor;
import org.camunda.bpm.engine.impl.history.event.HistoryEventTypes;
import org.camunda.bpm.engine.impl.history.producer.HistoryEventProducer;
/**
* @author Thorben Lindhauer
*
*/
public class VariableInstanceHistoryListener implements VariableInstanceLifecycleListener {
public static final VariableInstanceHistoryListener INSTANCE = new VariableInstanceHistoryListener();
@Override
public void onCreate(final VariableInstanceEntity variableInstance, final AbstractVariableScope sourceScope) {
if (getHistoryLevel().isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_CREATE, variableInstance) && !variableInstance.isTransient()) {
HistoryEventProcessor.processHistoryEvents(new HistoryEventProcessor.HistoryEventCreator() {
@Override
public HistoryEvent createHistoryEvent(HistoryEventProducer producer) {
return producer.createHistoricVariableCreateEvt(variableInstance, sourceScope);
}
});
}
}
@Override
public void onDelete(final VariableInstanceEntity variableInstance, final AbstractVariableScope sourceScope) {
if (getHistoryLevel().isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_DELETE, variableInstance) && !variableInstance.isTransient()) {
HistoryEventProcessor.processHistoryEvents(new HistoryEventProcessor.HistoryEventCreator() {
@Override
public HistoryEvent createHistoryEvent(HistoryEventProducer producer) {
return producer.createHistoricVariableDeleteEvt(variableInstance, sourceScope);
}
});
}
}
@Override
public void onUpdate(final VariableInstanceEntity variableInstance, final AbstractVariableScope sourceScope) {
if (getHistoryLevel().isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_UPDATE, variableInstance) && !variableInstance.isTransient()) {
HistoryEventProcessor.processHistoryEvents(new HistoryEventProcessor.HistoryEventCreator() {
@Override
public HistoryEvent createHistoryEvent(HistoryEventProducer producer) {
return producer.createHistoricVariableUpdateEvt(variableInstance, sourceScope);
}
});
}
}
protected HistoryLevel getHistoryLevel() {
return Context.getProcessEngineConfiguration().getHistoryLevel();
}
}