/**
* 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.hive.hbase;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.FileSplit;
import org.apache.hadoop.mapred.InputSplit;
import org.apache.hadoop.hbase.mapred.TableSplit;
/**
* HBaseSplit augments FileSplit with HBase column mapping.
*/
public class HBaseSplit extends FileSplit implements InputSplit {
private String hbaseColumnMapping;
private TableSplit split;
public HBaseSplit() {
super((Path) null, 0, 0, (String[]) null);
hbaseColumnMapping = "";
split = new TableSplit();
}
public HBaseSplit(TableSplit split, String columnsMapping, Path dummyPath) {
super(dummyPath, 0, 0, (String[]) null);
this.split = split;
hbaseColumnMapping = columnsMapping;
}
public TableSplit getSplit() {
return this.split;
}
public String getColumnsMapping() {
return this.hbaseColumnMapping;
}
@Override
public void readFields(DataInput in) throws IOException {
super.readFields(in);
hbaseColumnMapping = in.readUTF();
split.readFields(in);
}
@Override
public String toString() {
return "TableSplit " + split + " : " + hbaseColumnMapping;
}
@Override
public void write(DataOutput out) throws IOException {
super.write(out);
out.writeUTF(hbaseColumnMapping);
split.write(out);
}
@Override
public long getLength() {
return split.getLength();
}
@Override
public String[] getLocations() throws IOException {
return split.getLocations();
}
}