| /* |
| * 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.synapse.message.processors.sampler; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.synapse.Mediator; |
| import org.apache.synapse.MessageContext; |
| import org.apache.synapse.SynapseException; |
| import org.apache.synapse.message.processors.MessageProcessorConstants; |
| import org.apache.synapse.message.processors.ScheduledMessageProcessor; |
| import org.apache.synapse.message.store.MessageStore; |
| import org.quartz.Job; |
| import org.quartz.JobDataMap; |
| import org.quartz.JobExecutionContext; |
| import org.quartz.JobExecutionException; |
| |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| |
| public class SamplingJob implements Job { |
| private static Log log = LogFactory.getLog(SamplingJob.class); |
| |
| public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException { |
| JobDataMap jdm = jobExecutionContext.getMergedJobDataMap(); |
| |
| final MessageStore messageStore = (MessageStore) jdm.get( |
| MessageProcessorConstants.MESSAGE_STORE); |
| |
| Map<String, Object> parameters = (Map<String, Object>) jdm.get( |
| MessageProcessorConstants.PARAMETERS); |
| SamplingProcessor processor = (SamplingProcessor) |
| jdm.get(ScheduledMessageProcessor.PROCESSOR_INSTANCE); |
| |
| final Object concurrency = jdm.get(SamplingProcessor.CONCURRENCY); |
| final String sequence = (String) parameters.get(SamplingProcessor.SEQUENCE); |
| |
| // if processor is not active we do not proceed with the processing |
| if(!processor.isActive()) { |
| return; |
| } |
| |
| int conc = 1; |
| if (concurrency instanceof Integer) { |
| conc = (Integer) concurrency; |
| } |
| |
| for (int i = 0; i < conc; i++) { |
| //lock.lock(); |
| synchronized (messageStore) { |
| final MessageContext messageContext = messageStore.peek(); |
| |
| if (messageContext != null) { |
| messageStore.poll(); |
| final ExecutorService executor = messageContext.getEnvironment(). |
| getExecutorService(); |
| executor.submit(new Runnable() { |
| public void run() { |
| try { |
| Mediator processingSequence = messageContext.getSequence(sequence); |
| if (processingSequence != null) { |
| processingSequence.mediate(messageContext); |
| } |
| } catch (SynapseException synError){ |
| if (!messageContext.getFaultStack().isEmpty()) { |
| messageContext.getFaultStack().pop().handleFault(messageContext,synError); |
| } |
| log.error("Error occurred while executing the message", synError); |
| }catch (Throwable t) { |
| log.error("Error occurred while executing the message", t); |
| } |
| } |
| }); |
| } |
| } |
| } |
| } |
| |
| } |