org.flowable.engine.impl.event.MessageEventHandler 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.flowable.engine.impl.event;
import org.flowable.common.engine.api.delegate.event.FlowableEngineEventType;
import org.flowable.common.engine.api.delegate.event.FlowableEventDispatcher;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.engine.delegate.event.impl.FlowableEventBuilder;
import org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.eventsubscription.service.impl.persistence.entity.EventSubscriptionEntity;
/**
* @author Daniel Meyer
*/
public class MessageEventHandler extends AbstractEventHandler {
public static final String EVENT_HANDLER_TYPE = "message";
@Override
public String getEventHandlerType() {
return EVENT_HANDLER_TYPE;
}
@Override
public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
// As stated in the FlowableEventType java-doc, the message-event is
// thrown before the actual message has been sent
ProcessEngineConfigurationImpl processEngineConfiguration = CommandContextUtil.getProcessEngineConfiguration(commandContext);
FlowableEventDispatcher eventDispatcher = processEngineConfiguration.getEventDispatcher();
if (eventDispatcher != null && eventDispatcher.isEnabled()) {
String executionId = eventSubscription.getExecutionId();
ExecutionEntity execution = processEngineConfiguration.getExecutionEntityManager().findById(executionId);
eventDispatcher.dispatchEvent(FlowableEventBuilder.createMessageEvent(FlowableEngineEventType.ACTIVITY_MESSAGE_RECEIVED, eventSubscription.getActivityId(),
eventSubscription.getEventName(), payload, eventSubscription.getExecutionId(), eventSubscription.getProcessInstanceId(), execution.getProcessDefinitionId()),
processEngineConfiguration.getEngineCfgKey());
}
super.handleEvent(eventSubscription, payload, commandContext);
}
}