org.apache.hadoop.hive.ql.io.SchemaAwareCompressionInputStream 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.hadoop.hive.ql.io;
import java.io.InputStream;
import org.apache.hadoop.io.compress.*;
/**
*
* SchemaAwareCompressionInputStream adds the ability to inform the compression
* stream what column is being read.
*
*/
public abstract class SchemaAwareCompressionInputStream extends CompressionInputStream {
protected SchemaAwareCompressionInputStream(InputStream in) throws java.io.IOException {
super(in);
}
/**
* The column being read
*
* @param columnIndex the index of the column. Use -1 for non-column data
*/
public abstract void setColumnIndex(int columnIndex);
}