/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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.springframework.integration.transaction;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.messaging.Message;
import org.springframework.transaction.support.ResourceHolder;
/**
* An implementation of the {@link ResourceHolder} which holds an instance of the current Message
* and the synchronization resource
*
* @author Gary Russell
* @author Oleg Zhurakousky
* @since 2.2
*
*/
public class IntegrationResourceHolder implements ResourceHolder {
public static final String MESSAGE_SOURCE = "messageSource";
public static final String INPUT_CHANNEL = "inputChannel";
private volatile Message<?> message;
private final Map<String, Object> attributes = new HashMap<String, Object>();
public void setMessage(Message<?> message) {
this.message = message;
}
public Message<?> getMessage() {
return this.message;
}
/**
* Adds attribute to this {@link ResourceHolder} instance
*
* @param key The key.
* @param value The value.
*/
public void addAttribute(String key, Object value) {
this.attributes.put(key, value);
}
/**
* Will return an immutable Map of current attributes.
* If you need to add an attribute, use the {@link #addAttribute(String, Object)} method.
*
* @return the immutable map.
*/
public Map<String, Object> getAttributes() {
return Collections.unmodifiableMap(this.attributes);
}
@Override
public void reset() {
}
@Override
public void unbound() {
}
@Override
public boolean isVoid() {
return false;
}
}