/* 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.camunda.bpm.engine.impl.cmd;
import java.util.Map;
import org.camunda.bpm.engine.MismatchingMessageCorrelationException;
import org.camunda.bpm.engine.impl.MessageCorrelationBuilderImpl;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.runtime.CorrelationHandler;
import org.camunda.bpm.engine.impl.runtime.CorrelationSet;
import org.camunda.bpm.engine.impl.runtime.MessageCorrelationResult;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureAtLeastOneNotNull;
/**
* @author Thorben Lindhauer
* @author Daniel Meyer
* @author Michael Scholz
*/
public class CorrelateMessageCmd extends AbstractCorrelateMessageCmd {
public CorrelateMessageCmd(String messageName, String businessKey,
Map<String, Object> correlationKeys, Map<String, Object> processVariables) {
super(messageName, businessKey, correlationKeys, processVariables);
}
/**
* Initialize the command with a builder
*
* @param messageCorrelationBuilderImpl
*/
public CorrelateMessageCmd(MessageCorrelationBuilderImpl messageCorrelationBuilderImpl) {
super(messageCorrelationBuilderImpl);
}
public Void execute(CommandContext commandContext) {
ensureAtLeastOneNotNull("At least one of the following correlation criteria has to be present: "
+ "messageName, businessKey, correlationKeys, processInstanceId", messageName, businessKey, correlationKeys, processInstanceId);
CorrelationHandler correlationHandler = Context.getProcessEngineConfiguration().getCorrelationHandler();
CorrelationSet correlationSet = new CorrelationSet(businessKey, processInstanceId, correlationKeys);
MessageCorrelationResult correlationResult = correlationHandler.correlateMessage(commandContext, messageName, correlationSet);
if (correlationResult == null) {
throw new MismatchingMessageCorrelationException(messageName, "No process definition or execution matches the parameters");
} else if (MessageCorrelationResult.TYPE_EXECUTION.equals(correlationResult.getResultType())) {
triggerExecution(commandContext, correlationResult);
} else {
instantiateProcess(commandContext, correlationResult);
}
return null;
}
}