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.support;
018    
019    import org.apache.camel.Exchange;
020    import org.apache.camel.Ordered;
021    import org.apache.camel.spi.Synchronization;
022    import org.apache.camel.spi.SynchronizationVetoable;
023    
024    /**
025     * Simple {@link Synchronization} adapter with empty methods for easier overriding
026     * of single methods.
027     *
028     * @version 
029     */
030    public class SynchronizationAdapter implements SynchronizationVetoable, Ordered {
031    
032        public void onComplete(Exchange exchange) {
033            onDone(exchange);
034        }
035    
036        public void onFailure(Exchange exchange) {
037            onDone(exchange);
038        }
039    
040        public void onDone(Exchange exchange) {
041            // noop
042        }
043    
044        public boolean allowHandover() {
045            // allow by default
046            return true;
047        }
048    
049        public int getOrder() {
050            // no particular order by default
051            return 0;
052        }
053    }