/**
 * 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 com.digitalpebble.behemoth.gate;

import java.io.IOException;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.Mapper;
import org.apache.hadoop.mapred.OutputCollector;
import org.apache.hadoop.mapred.Reporter;

import com.digitalpebble.behemoth.BehemothDocument;

/**
 * Process BehemothDocuments with GATE and generate BehemothDocuments as output
 **/

public class GATEMapper extends AbstractGATEMapper implements
        Mapper<Text, BehemothDocument, Text, BehemothDocument> {

    public void map(Text key, BehemothDocument behedoc,
            OutputCollector<Text, BehemothDocument> output, Reporter reporter)
            throws IOException {

        BehemothDocument[] outputDocs = processor.process(behedoc, reporter);
        for (BehemothDocument doc : outputDocs) {
            // TODO output under a different key?
            output.collect(key, doc);
        }
    }

}
