spark NettyManagedBuffer 源码
spark NettyManagedBuffer 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/buffer/NettyManagedBuffer.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.buffer;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
/**
* A {@link ManagedBuffer} backed by a Netty {@link ByteBuf}.
*/
public class NettyManagedBuffer extends ManagedBuffer {
private final ByteBuf buf;
public NettyManagedBuffer(ByteBuf buf) {
this.buf = buf;
}
@Override
public long size() {
return buf.readableBytes();
}
@Override
public ByteBuffer nioByteBuffer() throws IOException {
return buf.nioBuffer();
}
@Override
public InputStream createInputStream() throws IOException {
return new ByteBufInputStream(buf);
}
@Override
public ManagedBuffer retain() {
buf.retain();
return this;
}
@Override
public ManagedBuffer release() {
buf.release();
return this;
}
@Override
public Object convertToNetty() throws IOException {
return buf.duplicate().retain();
}
@Override
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append("buf", buf)
.toString();
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony