org.apache.hudi.hadoop.BootstrapBaseFileSplit Maven / Gradle / Ivy
/*
* 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.hudi.hadoop;
import org.apache.hadoop.mapred.FileSplit;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
/**
* Sub-type of File Split which encapsulates both skeleton and bootstrap base file splits.
*/
public class BootstrapBaseFileSplit extends FileSplit {
private FileSplit bootstrapFileSplit;
/**
* NOTE: This ctor is necessary for Hive to be able to serialize and
* then instantiate it when deserializing back
*/
public BootstrapBaseFileSplit() {}
public BootstrapBaseFileSplit(FileSplit baseSplit, FileSplit bootstrapFileSplit)
throws IOException {
super(baseSplit.getPath(), baseSplit.getStart(), baseSplit.getLength(), baseSplit.getLocations());
this.bootstrapFileSplit = bootstrapFileSplit;
}
public FileSplit getBootstrapFileSplit() {
return bootstrapFileSplit;
}
@Override
public void write(DataOutput out) throws IOException {
super.write(out);
bootstrapFileSplit.write(out);
}
@Override
public void readFields(DataInput in) throws IOException {
super.readFields(in);
bootstrapFileSplit = new WrapperFileSplit();
bootstrapFileSplit.readFields(in);
}
/**
* Wrapper for FileSplit just to expose default constructor to the outer class.
*/
public static class WrapperFileSplit extends FileSplit {
public WrapperFileSplit() {
super();
}
}
}