com.liveramp.hank.hadoop.DomainCompactorProperties.java Source code

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Here is the source code for com.liveramp.hank.hadoop.DomainCompactorProperties.java

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/**
 *  Copyright 2011 LiveRamp
 *
 *  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.liveramp.hank.hadoop;

import java.io.IOException;

import org.apache.hadoop.mapred.JobConf;

import com.liveramp.hank.config.CoordinatorConfigurator;

public class DomainCompactorProperties extends DomainBuilderProperties {

    public static final String CONF_PARAM_HANK_VERSION_NUMBER_TO_COMPACT = "com.liveramp.hank.compactor.version_number_to_compact";

    private final int versionToCompactNumber;

    public DomainCompactorProperties(String domainName, int versionToCompactNumber,
            CoordinatorConfigurator configurator) throws IOException {
        super(domainName, configurator, DomainCompactorOutputFormat.class);
        this.versionToCompactNumber = versionToCompactNumber;
    }

    // To configure Hadoop MapReduce jobs
    @Override
    public JobConf setJobConfProperties(JobConf conf, int versionNumber) throws IOException {
        super.setJobConfProperties(conf, versionNumber);
        // Version Number to compact
        conf.set(DomainBuilderAbstractOutputFormat.createConfParamName(getDomainName(),
                CONF_PARAM_HANK_VERSION_NUMBER_TO_COMPACT), Integer.toString(versionToCompactNumber));
        return conf;
    }

    public static int getVersionNumberToCompact(String domainName, JobConf conf) {
        return Integer
                .valueOf(getRequiredConfigurationItem(
                        DomainBuilderAbstractOutputFormat.createConfParamName(domainName,
                                CONF_PARAM_HANK_VERSION_NUMBER_TO_COMPACT),
                        "Hank version number to compact", conf));
    }
}