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     */
017    package org.apache.camel.core.xml;
018    
019    import javax.xml.bind.annotation.XmlAccessType;
020    import javax.xml.bind.annotation.XmlAccessorType;
021    import javax.xml.bind.annotation.XmlAttribute;
022    import javax.xml.bind.annotation.XmlTransient;
023    
024    import org.apache.camel.ConsumerTemplate;
025    import org.apache.camel.impl.DefaultConsumerTemplate;
026    import org.apache.camel.util.ServiceHelper;
027    
028    /**
029     * A factory for creating a new {@link org.apache.camel.ConsumerTemplate}
030     * instance with a minimum of XML
031     *
032     * @version 
033     */
034    @XmlAccessorType(XmlAccessType.FIELD)
035    public abstract class AbstractCamelConsumerTemplateFactoryBean extends AbstractCamelFactoryBean<ConsumerTemplate> {
036    
037        @XmlTransient
038        private ConsumerTemplate template;
039        @XmlAttribute
040        private Integer maximumCacheSize;
041    
042        public ConsumerTemplate getObject() throws Exception {
043            template = new DefaultConsumerTemplate(getCamelContext());
044    
045            // set custom cache size if provided
046            if (maximumCacheSize != null) {
047                template.setMaximumCacheSize(maximumCacheSize);
048            }
049    
050            // must start it so its ready to use
051            ServiceHelper.startService(template);
052            return template;
053        }
054    
055        public Class<DefaultConsumerTemplate> getObjectType() {
056            return DefaultConsumerTemplate.class;
057        }
058    
059        public void destroy() throws Exception {
060            ServiceHelper.stopService(template);
061        }
062    
063        // Properties
064        // -------------------------------------------------------------------------
065    
066        public Integer getMaximumCacheSize() {
067            return maximumCacheSize;
068        }
069    
070        public void setMaximumCacheSize(Integer maximumCacheSize) {
071            this.maximumCacheSize = maximumCacheSize;
072        }
073    }