engine-mr/src/test/java/org/apache/kylin/engine/mr/steps/MockupMapContext.java

/*
 * 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 org.apache.kylin.engine.mr.steps;

import java.io.IOException;
import java.net.URI;

import org.apache.commons.lang.NotImplementedException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configuration.IntegerRanges;
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.InputSplit;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.MapContext;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Mapper.Context;
import org.apache.hadoop.mapreduce.OutputCommitter;
import org.apache.hadoop.mapreduce.OutputFormat;
import org.apache.hadoop.mapreduce.Partitioner;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.lib.map.WrappedMapper;
import org.apache.hadoop.security.Credentials;
import org.apache.kylin.engine.mr.common.BatchConstants;

/**
 * @author yangli9
 * 
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public class MockupMapContext {

    public static Context create(final Configuration hconf, String metadataUrl, String cubeName, final Object[] outKV) {

        hconf.set(BatchConstants.CFG_CUBE_NAME, cubeName);

        return new WrappedMapper().getMapContext(new MapContext() {

            @Override
            public boolean nextKeyValue() throws IOException, InterruptedException {
                throw new NotImplementedException();
            }

            @Override
            public Object getCurrentKey() throws IOException, InterruptedException {
                throw new NotImplementedException();
            }

            @Override
            public Object getCurrentValue() throws IOException, InterruptedException {
                throw new NotImplementedException();
            }

            @Override
            public void write(Object key, Object value) throws IOException, InterruptedException {
                System.out.println("Write -- k:" + key + ", v:" + value);
                if (outKV != null) {
                    outKV[0] = key;
                    outKV[1] = value;
                }

            }

            @Override
            public OutputCommitter getOutputCommitter() {
                throw new NotImplementedException();
            }

            @Override
            public TaskAttemptID getTaskAttemptID() {
                throw new NotImplementedException();
            }

            @Override
            public void setStatus(String msg) {
                throw new NotImplementedException();
            }

            @Override
            public String getStatus() {
                throw new NotImplementedException();
            }


            @Override
            public float getProgress() {
                throw new NotImplementedException();
            }

            @Override
            public Counter getCounter(Enum<?> counterName) {
                throw new NotImplementedException();
            }

            @Override
            public Counter getCounter(String groupName, String counterName) {
                throw new NotImplementedException();
            }

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

            @Override
            public Credentials getCredentials() {
                throw new NotImplementedException();
            }

            @Override
            public JobID getJobID() {
                throw new NotImplementedException();
            }

            @Override
            public int getNumReduceTasks() {
                throw new NotImplementedException();
            }

            @Override
            public Path getWorkingDirectory() throws IOException {
                throw new NotImplementedException();
            }

            @Override
            public Class<?> getOutputKeyClass() {
                throw new NotImplementedException();
            }

            @Override
            public Class<?> getOutputValueClass() {
                throw new NotImplementedException();
            }

            @Override
            public Class<?> getMapOutputKeyClass() {
                throw new NotImplementedException();
            }

            @Override
            public Class<?> getMapOutputValueClass() {
                throw new NotImplementedException();
            }

            @Override
            public String getJobName() {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends InputFormat<?, ?>> getInputFormatClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends Mapper<?, ?, ?, ?>> getMapperClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends Reducer<?, ?, ?, ?>> getCombinerClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends Reducer<?, ?, ?, ?>> getReducerClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends OutputFormat<?, ?>> getOutputFormatClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public Class<? extends Partitioner<?, ?>> getPartitionerClass() throws ClassNotFoundException {
                throw new NotImplementedException();
            }

            @Override
            public boolean userClassesTakesPrecedence() {
                throw new NotImplementedException();
            }

            @Override
            public RawComparator<?> getSortComparator() {
                throw new NotImplementedException();
            }

            @Override
            public String getJar() {
                throw new NotImplementedException();
            }

            @Override
            public boolean getJobSetupCleanupNeeded() {
                throw new NotImplementedException();
            }

            @Override
            public boolean getTaskCleanupNeeded() {
                throw new NotImplementedException();
            }

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

            @Override
            public String getProfileParams() {
                throw new NotImplementedException();
            }

            @Override
            public IntegerRanges getProfileTaskRange(boolean isMap) {
                throw new NotImplementedException();
            }

            @Override
            public String getUser() {
                throw new NotImplementedException();
            }

            @Override
            public boolean getSymlink() {
                throw new NotImplementedException();
            }

            @Override
            public Path[] getArchiveClassPaths() {
                throw new NotImplementedException();
            }

            @Override
            public URI[] getCacheArchives() throws IOException {
                throw new NotImplementedException();
            }

            @Override
            public URI[] getCacheFiles() throws IOException {
                throw new NotImplementedException();
            }

            @Override
            public Path[] getLocalCacheArchives() throws IOException {
                throw new NotImplementedException();
            }

            @Override
            public Path[] getLocalCacheFiles() throws IOException {
                throw new NotImplementedException();
            }

            @Override
            public Path[] getFileClassPaths() {
                throw new NotImplementedException();
            }

            @Override
            public String[] getArchiveTimestamps() {
                throw new NotImplementedException();
            }

            @Override
            public String[] getFileTimestamps() {
                throw new NotImplementedException();
            }

            @Override
            public int getMaxMapAttempts() {
                throw new NotImplementedException();
            }

            @Override
            public int getMaxReduceAttempts() {
                throw new NotImplementedException();
            }

            @Override
            public void progress() {
                throw new NotImplementedException();
            }

            @Override
            public InputSplit getInputSplit() {
                throw new NotImplementedException();
            }

            @Override
            public RawComparator<?> getCombinerKeyGroupingComparator() {
                throw new NotImplementedException();
            }

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