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/* 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.event;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
/**
*/
public class MessageEventHandler extends AbstractEventHandler {
public final static String EVENT_HANDLER_TYPE = "message";
private final EventSubscriptionPayloadMappingProvider messageEventVariableMappingProvider;
public MessageEventHandler(EventSubscriptionPayloadMappingProvider messageEventVariableMappingProvider) {
this.messageEventVariableMappingProvider = messageEventVariableMappingProvider;
}
public String getEventHandlerType() {
return EVENT_HANDLER_TYPE;
}
@Override
public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
// As stated in the ActivitiEventType java-doc, the message-event is
// thrown before the actual message has been sent
if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
ExecutionEntity execution = eventSubscription.getExecution();
String messageName = eventSubscription.getEventName();
String correlationKey = eventSubscription.getConfiguration();
commandContext.getProcessEngineConfiguration()
.getEventDispatcher()
.dispatchEvent(
ActivitiEventBuilder.createMessageReceivedEvent(execution,
messageName,
correlationKey,
payload));
}
Object variables = messageEventVariableMappingProvider.apply(payload,
eventSubscription);
super.handleEvent(eventSubscription, variables, commandContext);
}
}
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