com.marklogic.contentpump.DatabaseContentInputFormat.java Source code

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/*
 * Copyright 2003-2016 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.contentpump;

import java.io.IOException;

import org.apache.hadoop.mapreduce.InputSplit;
import org.apache.hadoop.mapreduce.RecordReader;
import org.apache.hadoop.mapreduce.TaskAttemptContext;

import com.marklogic.mapreduce.DocumentURI;

/**
 * MarkLogic-based InputFormat for Database Content, taking DocumentURI as key
 * class and a generic value class.
 * 
 * @author ali
 * 
 * @param <VALUE>
 */
public class DatabaseContentInputFormat<VALUE> extends DocumentInputFormat<VALUE> {
    @SuppressWarnings("unchecked")
    @Override
    public RecordReader<DocumentURI, VALUE> createRecordReader(InputSplit split, TaskAttemptContext context)
            throws IOException, InterruptedException {
        DatabaseContentReader reader = new DatabaseContentReader(context.getConfiguration());
        return (RecordReader<DocumentURI, VALUE>) reader;
    }

}