/**
* 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.namenode.bookkeeper.metadata.proto;
import org.apache.hadoop.hdfs.server.namenode.bookkeeper.metadata.CurrentInProgressMetadata;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
/**
* Writable representation for {@link CurrentInProgressMetadata}
*/
public class CurrentInProgressMetadataWritable implements Writable {
private String id;
private String path;
/**
* Set the id and path fields
* @param id A unique identifier for the caller's process
* @param path The path to the ZNode holding the metadata for the
* ledger containing the current in-progress segment
*/
public void set(String id, String path) {
this.id = id;
this.path = path;
}
/**
* Returns the id of the process that wrote this data
*/
public String getId() {
return id;
}
/**
* Returns the path to the ZNode holding the metadata for the
* ledger containing the current in-progress segment
*/
public String getPath() {
return path;
}
@Override
public void write(DataOutput out) throws IOException {
Text.writeStringOpt(out, id);
Text.writeStringOpt(out, path);
}
@Override
public void readFields(DataInput in) throws IOException {
id = Text.readStringOpt(in);
path = Text.readStringOpt(in);
}
}