hadoop CREATE3Request 源码
haddop CREATE3Request 代码
文件路径：/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/request/CREATE3Request.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 java.nio.charset.StandardCharsets;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3Constant;
import org.apache.hadoop.oncrpc.XDR;
/**
* CREATE3 Request
*/
public class CREATE3Request extends RequestWithHandle {
private final String name;
private final int mode;
private final SetAttr3 objAttr;
private long verf = 0;
public CREATE3Request(FileHandle handle, String name, int mode,
SetAttr3 objAttr, long verf) {
super(handle);
this.name = name;
this.mode = mode;
this.objAttr = objAttr;
this.verf = verf;
}
public static CREATE3Request deserialize(XDR xdr) throws IOException {
FileHandle handle = readHandle(xdr);
String name = xdr.readString();
int mode = xdr.readInt();
SetAttr3 objAttr = new SetAttr3();
long verf = 0;
if ((mode == Nfs3Constant.CREATE_UNCHECKED)
|| (mode == Nfs3Constant.CREATE_GUARDED)) {
objAttr.deserialize(xdr);
} else if (mode == Nfs3Constant.CREATE_EXCLUSIVE) {
verf = xdr.readHyper();
} else {
throw new IOException("Wrong create mode:" + mode);
}
return new CREATE3Request(handle, name, mode, objAttr, verf);
}
public String getName() {
return name;
}
public int getMode() {
return mode;
}
public SetAttr3 getObjAttr() {
return objAttr;
}
public long getVerf() {
return verf;
}
@Override
public void serialize(XDR xdr) {
handle.serialize(xdr);
xdr.writeInt(name.length());
xdr.writeFixedOpaque(name.getBytes(StandardCharsets.UTF_8), name.length());
xdr.writeInt(mode);
objAttr.serialize(xdr);
}
}
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