org.springframework.integration.transaction.IntegrationResourceHolder.java Source code

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Here is the source code for org.springframework.integration.transaction.IntegrationResourceHolder.java

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/*
 * Copyright 2002-2019 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
 *
 *      https://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;
    }

}