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.blueprint;
018
019import java.util.Set;
020
021import javax.xml.bind.annotation.XmlAccessType;
022import javax.xml.bind.annotation.XmlAccessorType;
023import javax.xml.bind.annotation.XmlRootElement;
024import javax.xml.bind.annotation.XmlTransient;
025
026import org.apache.camel.CamelContext;
027import org.apache.camel.core.xml.AbstractCamelThreadPoolFactoryBean;
028import org.osgi.service.blueprint.container.BlueprintContainer;
029
030/**
031 * A factory which instantiates {@link java.util.concurrent.ExecutorService} objects
032 */
033@XmlRootElement(name = "threadPool")
034@XmlAccessorType(XmlAccessType.FIELD)
035public class CamelThreadPoolFactoryBean extends AbstractCamelThreadPoolFactoryBean {
036
037    @XmlTransient
038    private BlueprintContainer blueprintContainer;
039
040    public void setBlueprintContainer(BlueprintContainer blueprintContainer) {
041        this.blueprintContainer = blueprintContainer;
042    }
043
044    @Override
045    protected CamelContext getCamelContextWithId(String camelContextId) {
046        if (blueprintContainer != null) {
047            return (CamelContext) blueprintContainer.getComponentInstance(camelContextId);
048        }
049        return null;
050    }
051
052    @Override
053    protected CamelContext discoverDefaultCamelContext() {
054        if (blueprintContainer != null) {
055            Set<String> ids = BlueprintCamelContextLookupHelper.lookupBlueprintCamelContext(blueprintContainer);
056            if (ids.size() == 1) {
057                // there is only 1 id for a BlueprintCamelContext so fallback and use this
058                return getCamelContextWithId(ids.iterator().next());
059            }
060        }
061        return null;
062    }
063
064}