/* Licensed 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.activiti.engine.impl.pvm.runtime;
import java.util.List;
import org.activiti.engine.delegate.ExecutionListener;
import org.activiti.engine.impl.pvm.PvmException;
import org.activiti.engine.impl.pvm.process.ScopeImpl;
/**
* @author Tom Baeyens
*/
public abstract class AbstractEventAtomicOperation implements AtomicOperation {
public boolean isAsync(InterpretableExecution execution) {
return false;
}
public void execute(InterpretableExecution execution) {
ScopeImpl scope = getScope(execution);
List<ExecutionListener> exectionListeners = scope.getExecutionListeners(getEventName());
int executionListenerIndex = execution.getExecutionListenerIndex();
if (exectionListeners.size()>executionListenerIndex) {
execution.setEventName(getEventName());
execution.setEventSource(scope);
ExecutionListener listener = exectionListeners.get(executionListenerIndex);
try {
listener.notify(execution);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new PvmException("couldn't execute event listener : "+e.getMessage(), e);
}
execution.setExecutionListenerIndex(executionListenerIndex+1);
execution.performOperation(this);
} else {
execution.setExecutionListenerIndex(0);
execution.setEventName(null);
execution.setEventSource(null);
eventNotificationsCompleted(execution);
}
}
protected abstract ScopeImpl getScope(InterpretableExecution execution);
protected abstract String getEventName();
protected abstract void eventNotificationsCompleted(InterpretableExecution execution);
}