/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 ${packageName};
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.camel.Consumer;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.impl.DefaultConsumer;
import org.apache.camel.impl.DefaultEndpoint;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Represents a direct endpoint that synchronously invokes the consumers of the
* endpoint when a producer sends a message to it.
*
* @version
*/
public class DirectEndpoint extends DefaultEndpoint {
private static final Log LOG = LogFactory.getLog(DirectEndpoint.class);
private final CopyOnWriteArrayList<DefaultConsumer> consumers = new CopyOnWriteArrayList<DefaultConsumer>();
boolean allowMultipleConsumers = true;
public DirectEndpoint(String uri, DirectComponent component) {
super(uri, component);
}
public Producer createProducer() throws Exception {
return new DirectProducer(this);
}
public Consumer createConsumer(Processor processor) throws Exception {
return new DefaultConsumer(this, processor) {
@Override
public void start() throws Exception {
if (!allowMultipleConsumers && !consumers.isEmpty()) {
throw new IllegalStateException("Endpoint " + getEndpointUri() + " only allows 1 active consumer but you attempted to start a 2nd consumer.");
}
consumers.add(this);
super.start();
}
@Override
public void stop() throws Exception {
super.stop();
consumers.remove(this);
}
};
}
public boolean isAllowMultipleConsumers() {
return allowMultipleConsumers;
}
public void setAllowMultipleConsumers(boolean allowMutlipleConsumers) {
this.allowMultipleConsumers = allowMutlipleConsumers;
}
public boolean isSingleton() {
return true;
}
public List<DefaultConsumer> getConsumers() {
return consumers;
}
}