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