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; 018 019/** 020 * Marker interface to indicate a custom component has custom implementation for suspending the {@link SuspendableService} service. 021 * <br/> 022 * This is needed to let Camel know if there is special code happening during a suspension. 023 * <p/> 024 * The {@link org.apache.camel.support.ServiceSupport} implementation that most Camel components / endpoints etc use 025 * as base class is a {@link SuspendableService} but the actual implementation may not have special logic for suspend. 026 * Therefore this marker interface is introduced to indicate when the implementation has special code for suspension. 027 * 028 * @see SuspendableService 029 */ 030public interface Suspendable { 031}