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.processor.interceptor;
018
019import java.util.List;
020
021import org.apache.camel.CamelContext;
022import org.apache.camel.Processor;
023import org.apache.camel.model.ProcessorDefinition;
024import org.apache.camel.spi.InterceptStrategy;
025
026/**
027 * An interceptor strategy for delaying routes.
028 *
029 * @deprecated no longer in use, will be removed in next Camel release.
030 */
031@Deprecated
032public class Delayer implements InterceptStrategy {
033
034    private volatile boolean enabled = true;
035    private final long delay;
036
037    public Delayer(long delay) {
038        this.delay = delay;
039    }
040
041    /**
042     * A helper method to return the Delayer instance for a given {@link org.apache.camel.CamelContext} if one is enabled
043     *
044     * @param context the camel context the delayer is connected to
045     * @return the delayer or null if none can be found
046     */
047    public static Delayer getDelayer(CamelContext context) {
048        List<InterceptStrategy> list = context.getInterceptStrategies();
049        for (InterceptStrategy interceptStrategy : list) {
050            if (interceptStrategy instanceof Delayer) {
051                return (Delayer)interceptStrategy;
052            }
053        }
054        return null;
055    }
056
057    public Processor wrapProcessorInInterceptors(CamelContext context, ProcessorDefinition<?> definition,
058                                                 Processor target, Processor nextTarget) throws Exception {
059        return new DelayInterceptor(context, definition, target, this);
060    }
061
062    public boolean isEnabled() {
063        return enabled;
064    }
065
066    public void setEnabled(boolean enabled) {
067        this.enabled = enabled;
068    }
069
070    public long getDelay() {
071        return delay;
072    }
073
074    @Override
075    public String toString() {
076        return "Delayer[" + delay + "]";
077    }
078}