spark ChunkFetchRequest 源码
spark ChunkFetchRequest 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/protocol/ChunkFetchRequest.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 io.netty.buffer.ByteBuf;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
/**
* Request to fetch a sequence of a single chunk of a stream. This will correspond to a single
* {@link org.apache.spark.network.protocol.ResponseMessage} (either success or failure).
*/
public final class ChunkFetchRequest extends AbstractMessage implements RequestMessage {
public final StreamChunkId streamChunkId;
public ChunkFetchRequest(StreamChunkId streamChunkId) {
this.streamChunkId = streamChunkId;
}
@Override
public Message.Type type() { return Type.ChunkFetchRequest; }
@Override
public int encodedLength() {
return streamChunkId.encodedLength();
}
@Override
public void encode(ByteBuf buf) {
streamChunkId.encode(buf);
}
public static ChunkFetchRequest decode(ByteBuf buf) {
return new ChunkFetchRequest(StreamChunkId.decode(buf));
}
@Override
public int hashCode() {
return streamChunkId.hashCode();
}
@Override
public boolean equals(Object other) {
if (other instanceof ChunkFetchRequest) {
ChunkFetchRequest o = (ChunkFetchRequest) other;
return streamChunkId.equals(o.streamChunkId);
}
return false;
}
@Override
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append("streamChunkId", streamChunkId)
.toString();
}
}
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