org.activiti.engine.impl.cmd.DispatchEventCommand Maven / Gradle / Ivy
/* 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.cmd;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.delegate.event.ActivitiEvent;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
/**
* Command that dispatches an event.
*
*/
public class DispatchEventCommand implements Command {
protected ActivitiEvent event;
public DispatchEventCommand(ActivitiEvent event) {
this.event = event;
}
@Override
public Void execute(CommandContext commandContext) {
if (event == null) {
throw new ActivitiIllegalArgumentException("event is null");
}
if (commandContext.getEventDispatcher().isEnabled()) {
commandContext.getEventDispatcher().dispatchEvent(event);
} else {
throw new ActivitiException("Message dispatcher is disabled, cannot dispatch event");
}
return null;
}
}