com.example.journal.teller.StreamJournal.java Source code

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Here is the source code for com.example.journal.teller.StreamJournal.java

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/*
 * Copyright 2012-2015 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 com.example.journal.teller;

import org.springframework.messaging.support.MessageBuilder;

import com.example.journal.Journal;
import com.example.journal.JournalEntry;

/**
 * @author Dave Syer
 *
 */
public class StreamJournal implements Journal {

    private final JournalSource source;

    public StreamJournal(JournalSource source) {
        this.source = source;
    }

    @Override
    public boolean debit(JournalEntry entry) {
        return source.output().send(MessageBuilder.withPayload(entry).setHeader("X-Journal-Type", "debit").build());
    }

    @Override
    public boolean credit(JournalEntry entry) {
        return source.output()
                .send(MessageBuilder.withPayload(entry).setHeader("X-Journal-Type", "credit").build());
    }

}