/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.camel.spi; /** * A vetoable {@link org.apache.camel.spi.Synchronization}. * <p/> * When using {@link org.apache.camel.spi.Synchronization} they are normally executed * when the {@link org.apache.camel.Exchange} complete at the end. If the {@link org.apache.camel.Exchange} * is processed asynchronously the {@link org.apache.camel.spi.Synchronization} will be handed * over to the next thread. This ensures for example the file consumer will delete the processed file at the very * end, when the {@link org.apache.camel.Exchange} has been completed successfully. * <p/> * However there may be situations where you do not want to handover certain {@link org.apache.camel.spi.Synchronization}, * such as when doing asynchronously request/reply over SEDA or VM endpoints. * * @version */ public interface SynchronizationVetoable extends Synchronization { /** * Whether or not handover this synchronization is allowed. * <p/> * For example when an {@link org.apache.camel.Exchange} is being routed * from one thread to another thread, such as using request/reply over SEDA * * @return <tt>true</tt> to allow handover, <tt>false</tt> to deny. */ boolean allowHandover(); }