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/*
 * Copyright 2010 10gen Inc.
 *
 * 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.mongodb.hadoop;

// Mongo

import com.mongodb.hadoop.output.*;
import com.mongodb.hadoop.util.*;
import org.apache.commons.logging.*;
import org.apache.hadoop.mapreduce.*;

// Commons
// Hadoop

public class MongoOutputFormat extends OutputFormat {
    
    private final String[] updateKeys;
    private final boolean multiUpdate;

    public void checkOutputSpecs( final JobContext context ){ }

    public OutputCommitter getOutputCommitter( final TaskAttemptContext context ){
        return new MongoOutputCommiter();
    }

    /**
     * Get the record writer that points to the output collection.
     */
    public RecordWriter getRecordWriter( final TaskAttemptContext context ){
        return new MongoRecordWriter( MongoConfigUtil.getOutputCollections( context.getConfiguration() ), context );
    }

    public MongoOutputFormat(){ 
        multiUpdate = false;
        updateKeys = null;
    }
    
    public MongoOutputFormat(String[] updateKeys, boolean multiUpdate) {
        this.updateKeys = updateKeys;
        this.multiUpdate = multiUpdate;
    }

    private static final Log LOG = LogFactory.getLog( MongoOutputFormat.class );
}