FakeTaskAttemptContext.java Source code

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Here is the source code for FakeTaskAttemptContext.java

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// Copyright (c) 2013 Aalto University
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
// File created: 2013-02-06 11:04:15

import java.net.URI;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.RawComparator;
import org.apache.hadoop.mapreduce.Counter;
import org.apache.hadoop.mapreduce.InputFormat;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.OutputFormat;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.hadoop.mapreduce.Partitioner;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.security.Credentials;

import org.apache.hadoop.mapred.TaskAttemptID;

// A major hack to get around the fact that Hadoop-BAM adheres to the new API
// in that it takes TaskAttemptContexts, but only uses their Configurations.
public class FakeTaskAttemptContext implements TaskAttemptContext {
    private final Configuration conf;

    public FakeTaskAttemptContext(Configuration c) {
        conf = c;
    }

    @Override
    public Configuration getConfiguration() {
        return conf;
    }

    // All unused, but required.
    @Override
    public String getStatus() {
        return null;
    }

    @Override
    public void setStatus(String s) {
    }

    @Override
    public TaskAttemptID getTaskAttemptID() {
        return null;
    }

    @Override
    public int getMaxReduceAttempts() {
        return 0;
    }

    @Override
    public int getMaxMapAttempts() {
        return 0;
    }

    @Override
    public String[] getFileTimestamps() {
        return null;
    }

    @Override
    public String[] getArchiveTimestamps() {
        return null;
    }

    @Override
    public Path[] getFileClassPaths() {
        return null;
    }

    @Override
    public Path[] getLocalCacheFiles() {
        return null;
    }

    @Override
    public Path[] getLocalCacheArchives() {
        return null;
    }

    @Override
    public URI[] getCacheFiles() {
        return null;
    }

    @Override
    public URI[] getCacheArchives() {
        return null;
    }

    @Override
    public Path[] getArchiveClassPaths() {
        return null;
    }

    @Override
    public boolean getSymlink() {
        return false;
    }

    @Override
    public String getUser() {
        return null;
    }

    @Override
    public String getProfileParams() {
        return null;
    }

    @Override
    public boolean getProfileEnabled() {
        return false;
    }

    @Override
    public boolean getJobSetupCleanupNeeded() {
        return false;
    }

    @Override
    public RawComparator<?> getGroupingComparator() {
        return null;
    }

    @Override
    public String getJar() {
        return null;
    }

    @Override
    public RawComparator<?> getSortComparator() {
        return null;
    }

    @Override
    public Class<? extends Partitioner<?, ?>> getPartitionerClass() {
        return null;
    }

    @Override
    public Class<? extends OutputFormat<?, ?>> getOutputFormatClass() {
        return null;
    }

    @Override
    public Class<? extends InputFormat<?, ?>> getInputFormatClass() {
        return null;
    }

    @Override
    public Class<? extends Reducer<?, ?, ?, ?>> getReducerClass() {
        return null;
    }

    @Override
    public Class<? extends Reducer<?, ?, ?, ?>> getCombinerClass() {
        return null;
    }

    @Override
    public Class<? extends Mapper<?, ?, ?, ?>> getMapperClass() {
        return null;
    }

    @Override
    public boolean userClassesTakesPrecedence() {
        return false;
    }

    @Override
    public String getJobName() {
        return null;
    }

    @Override
    public Class<?> getMapOutputValueClass() {
        return null;
    }

    @Override
    public Class<?> getMapOutputKeyClass() {
        return null;
    }

    @Override
    public Class<?> getOutputValueClass() {
        return null;
    }

    @Override
    public Class<?> getOutputKeyClass() {
        return null;
    }

    @Override
    public Path getWorkingDirectory() {
        return null;
    }

    @Override
    public int getNumReduceTasks() {
        return 0;
    }

    @Override
    public JobID getJobID() {
        return null;
    }

    @Override
    public Credentials getCredentials() {
        return null;
    }

    @Override
    public void progress() {
    }

    @Override
    public Counter getCounter(String a, String b) {
        return null;
    }

    @Override
    public Counter getCounter(Enum<?> a) {
        return null;
    }
}