001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.component.ref;
018
019import org.apache.camel.Component;
020import org.apache.camel.Consumer;
021import org.apache.camel.DelegateEndpoint;
022import org.apache.camel.Endpoint;
023import org.apache.camel.Processor;
024import org.apache.camel.Producer;
025import org.apache.camel.impl.DefaultEndpoint;
026import org.apache.camel.spi.Metadata;
027import org.apache.camel.spi.UriEndpoint;
028import org.apache.camel.spi.UriPath;
029import org.apache.camel.util.CamelContextHelper;
030
031@UriEndpoint(scheme = "ref", title = "Ref", syntax = "ref:name", label = "core,endpoint")
032public class RefEndpoint extends DefaultEndpoint implements DelegateEndpoint {
033
034    private volatile Endpoint endpoint;
035
036    @UriPath @Metadata(required = "true")
037    private String name;
038
039    public RefEndpoint(String endpointUri, Component component) {
040        super(endpointUri, component);
041    }
042
043    public String getName() {
044        return name;
045    }
046
047    /**
048     * Name of endpoint to lookup in the registry.
049     */
050    public void setName(String name) {
051        this.name = name;
052    }
053
054    @Override
055    public Producer createProducer() throws Exception {
056        return endpoint.createProducer();
057    }
058
059    @Override
060    public Consumer createConsumer(Processor processor) throws Exception {
061        return endpoint.createConsumer(processor);
062    }
063
064    @Override
065    public boolean isSingleton() {
066        return true;
067    }
068
069    @Override
070    public Endpoint getEndpoint() {
071        return endpoint;
072    }
073
074    @Override
075    protected void doStart() throws Exception {
076        endpoint = CamelContextHelper.mandatoryLookup(getCamelContext(), name, Endpoint.class);
077        // add the endpoint as a service so Camel can manage the endpoint and enlist the endpoint in JMX etc.
078        getCamelContext().addService(endpoint);
079        super.doStart();
080    }
081
082    @Override
083    protected void doStop() throws Exception {
084        super.doStop();
085        // noop
086    }
087}