com.marklogic.mapreduce.DocumentInputFormat Maven / Gradle / Ivy
/*
* Copyright (c) 2019 MarkLogic Corporation
*
* Licensed 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 com.marklogic.mapreduce;
import java.io.IOException;
import org.apache.hadoop.mapreduce.InputSplit;
import org.apache.hadoop.mapreduce.RecordReader;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
/**
* MarkLogicInputFormat for Document.
*
*
* Use this class when using documents in a MarkLogic Database as input
* in a MapReduce job. This format produces key-value pairs where the
* key is the {@link DocumentURI} and the value is a document in VALUEIN
* at the given URI.
*
*
* @see com.marklogic.mapreduce.examples.ContentReader
* @author jchen
*/
public class DocumentInputFormat
extends MarkLogicInputFormat {
@Override
public RecordReader createRecordReader(
InputSplit split, TaskAttemptContext context) throws IOException,
InterruptedException {
return new DocumentReader(context.getConfiguration());
}
}