dubbo MultiMessage 源码

2022-10-20
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dubbo MultiMessage 代码

文件路径：/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/exchange/support/MultiMessage.java

/*
 * 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.dubbo.remoting.exchange.support;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

/**
 * @see org.apache.dubbo.remoting.transport.MultiMessageHandler
 */
public final class MultiMessage implements Iterable {

    private final List messages = new ArrayList();

    private MultiMessage() {
    }

    public static MultiMessage createFromCollection(Collection collection) {
        MultiMessage result = new MultiMessage();
        result.addMessages(collection);
        return result;
    }

    public static MultiMessage createFromArray(Object... args) {
        return createFromCollection(Arrays.asList(args));
    }

    public static MultiMessage create() {
        return new MultiMessage();
    }

    public void addMessage(Object msg) {
        messages.add(msg);
    }

    public void addMessages(Collection collection) {
        messages.addAll(collection);
    }

    public Collection getMessages() {
        return Collections.unmodifiableCollection(messages);
    }

    public int size() {
        return messages.size();
    }

    public Object get(int index) {
        return messages.get(index);
    }

    public boolean isEmpty() {
        return messages.isEmpty();
    }

    public Collection removeMessages() {
        Collection result = Collections.unmodifiableCollection(messages);
        messages.clear();
        return result;
    }

    @Override
    public Iterator iterator() {
        return messages.iterator();
    }

}

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所属分类： 后端技术
本文标签： Java
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