/*
* 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.store;
import org.apache.synapse.ManagedLifecycle;
import org.apache.synapse.Mediator;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.commons.jmx.MBeanRegistrar;
import org.apache.synapse.config.SynapseConfiguration;
import org.apache.synapse.core.SynapseEnvironment;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Map;
public abstract class AbstractMessageStore implements MessageStore, ManagedLifecycle {
/**
* message store name
*/
protected String name;
/**
* associated redelivery processor
*/
protected RedeliveryProcessor redeliveryProcessor;
/**
* queue that holds the sheduled messages
*/
protected Queue<StorableMessage> scheduledMessageQueue = new LinkedList<StorableMessage>();
/**
* name of the sequence to be executed before storing the message
*/
protected String sequence;
/**
* Message store JMX view
*/
protected MessageStoreView messageStoreMBean;
/**
* synapse configuration reffrence
*/
protected SynapseConfiguration synapseConfiguration;
/**
* synapse environment reffrence
*/
protected SynapseEnvironment synapseEnvironment;
/**
* Message store properties
*/
protected Map<String,Object> parameters;
/**
* Message Store description
*/
protected String description;
/**
* Name of the file where this message store is defined
*/
protected String fileName;
public void init(SynapseEnvironment se) {
this.synapseEnvironment = se;
this.synapseConfiguration = synapseEnvironment.getSynapseConfiguration();
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
messageStoreMBean = new MessageStoreView(name, this);
MBeanRegistrar.getInstance().registerMBean(messageStoreMBean,
"DeadLetterChannel", this.name);
}
public void setRedeliveryProcessor(RedeliveryProcessor redeliveryProcessor) {
this.redeliveryProcessor = redeliveryProcessor;
}
public RedeliveryProcessor getRedeliveryProcessor() {
return redeliveryProcessor;
}
public void schedule(StorableMessage storableMessage) {
if (storableMessage != null) {
scheduledMessageQueue.add(storableMessage);
}
if (scheduledMessageQueue.size() > 0 && redeliveryProcessor != null &&
!redeliveryProcessor.isStarted()) {
redeliveryProcessor.start();
}
}
public StorableMessage dequeueScheduledQueue() {
return scheduledMessageQueue.poll();
}
public StorableMessage getFirstSheduledMessage() {
return scheduledMessageQueue.peek();
}
protected void mediateSequence(MessageContext synCtx) {
if (sequence != null && synCtx != null && "true".equalsIgnoreCase(
(String) synCtx.getProperty(SynapseConstants.MESSAGE_STORE_REDELIVERED))) {
Mediator seq = synCtx.getSequence(sequence);
if (seq != null) {
seq.mediate(synCtx);
}
}
}
public int getSize() {
return -1;
}
public void setSequence(String sequence) {
this.sequence = sequence;
}
public String getSequence() {
return sequence;
}
public void setConfiguration(SynapseConfiguration configuration) {
this.synapseConfiguration = configuration;
}
public Map<String, Object> getParameters() {
return parameters;
}
public void setParameters(Map<String, Object> parameters) {
this.parameters = parameters;
}
public String getProviderClass() {
return this.getClass().getName();
}
public void destroy() {
}
public void setDescription(String description) {
this.description = description;
}
public String getDescription() {
return this.description;
}
public void setFileName(String filename) {
this.fileName = filename;
}
public String getFileName() {
return this.fileName;
}
}