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Added missing files for HDFS-2489 commit.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1188286 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Suresh Srinivas 2011-10-24 18:46:59 +00:00
parent 2b35e8aa4f
commit 8fe95d276d
2 changed files with 125 additions and 0 deletions
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68
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/FinalizeCommand.java Normal file
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/**
* 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.hdfs.server.protocol;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableFactories;
import org.apache.hadoop.io.WritableFactory;
import org.apache.hadoop.io.WritableUtils;
/**
* A BlockCommand is an instruction to a datanode to register with the namenode.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class FinalizeCommand extends DatanodeCommand {
// /////////////////////////////////////////
// Writable
// /////////////////////////////////////////
static { // register a ctor
WritableFactories.setFactory(FinalizeCommand.class, new WritableFactory() {
public Writable newInstance() {
return new FinalizeCommand();
}
});
}
String blockPoolId;
private FinalizeCommand() {
super(DatanodeProtocol.DNA_FINALIZE);
}
public FinalizeCommand(String bpid) {
super(DatanodeProtocol.DNA_FINALIZE);
blockPoolId = bpid;
}
public String getBlockPoolId() {
return blockPoolId;
}
public void readFields(DataInput in) throws IOException {
blockPoolId = WritableUtils.readString(in);
}
public void write(DataOutput out) throws IOException {
WritableUtils.writeString(out, blockPoolId);
}
}

57
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/RegisterCommand.java Normal file
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/**
* 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.hdfs.server.protocol;
import java.io.DataInput;
import java.io.DataOutput;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableFactories;
import org.apache.hadoop.io.WritableFactory;
/**
* A BlockCommand is an instruction to a datanode to register with the namenode.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class RegisterCommand extends DatanodeCommand {
// /////////////////////////////////////////
// Writable
// /////////////////////////////////////////
static { // register a ctor
WritableFactories.setFactory(RegisterCommand.class, new WritableFactory() {
public Writable newInstance() {
return new RegisterCommand();
}
});
}
public static final DatanodeCommand REGISTER = new RegisterCommand();
public RegisterCommand() {
super(DatanodeProtocol.DNA_REGISTER);
}
@Override
public void readFields(DataInput in) { }
@Override
public void write(DataOutput out) { }
}