hadoop READ3Request 源码
haddop READ3Request 代码
文件路径：/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/request/READ3Request.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.hadoop.nfs.nfs3.request;
import java.io.IOException;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.classification.VisibleForTesting;
/**
* READ3 Request
*/
public class READ3Request extends RequestWithHandle {
private final long offset;
private final int count;
public static READ3Request deserialize(XDR xdr) throws IOException {
FileHandle handle = readHandle(xdr);
long offset = xdr.readHyper();
int count = xdr.readInt();
return new READ3Request(handle, offset, count);
}
@VisibleForTesting
public READ3Request(FileHandle handle, long offset, int count) {
super(handle);
this.offset = offset;
this.count = count;
}
public long getOffset() {
return this.offset;
}
public int getCount() {
return this.count;
}
@Override
public void serialize(XDR xdr) {
handle.serialize(xdr);
xdr.writeLongAsHyper(offset);
xdr.writeInt(count);
}
}
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