spark AbstractMessage 源码
spark AbstractMessage 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/protocol/AbstractMessage.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.spark.network.protocol;
import com.google.common.base.Objects;
import org.apache.spark.network.buffer.ManagedBuffer;
/**
* Abstract class for messages which optionally contain a body kept in a separate buffer.
*/
public abstract class AbstractMessage implements Message {
private final ManagedBuffer body;
private final boolean isBodyInFrame;
protected AbstractMessage() {
this(null, false);
}
protected AbstractMessage(ManagedBuffer body, boolean isBodyInFrame) {
this.body = body;
this.isBodyInFrame = isBodyInFrame;
}
@Override
public ManagedBuffer body() {
return body;
}
@Override
public boolean isBodyInFrame() {
return isBodyInFrame;
}
protected boolean equals(AbstractMessage other) {
return isBodyInFrame == other.isBodyInFrame && Objects.equal(body, other.body);
}
}
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