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.processor.interceptor;
018    
019    import java.util.List;
020    
021    import org.apache.camel.CamelContext;
022    import org.apache.camel.Processor;
023    import org.apache.camel.model.ProcessorDefinition;
024    import 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
032    public 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    }