资源简介
hcatalog is a metadata and table management system for hadoop, it's very useful
代码片段和文件信息
/**
* 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.hadoop.mapred;
import org.apache.hadoop.util.Progressable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hcatalog.shims.HCatHadoopShims;
public class HCatMapRedUtil {
public static TaskAttemptContext createTaskAttemptContext(org.apache.hadoop.mapreduce.TaskAttemptContext context) {
return createTaskAttemptContext(new JobConf(context.getConfiguration())
org.apache.hadoop.mapred.TaskAttemptID.forName(context.getTaskAttemptID().toString())
Reporter.NULL);
}
public static org.apache.hadoop.mapreduce.TaskAttemptContext createTaskAttemptContext(Configuration conf org.apache.hadoop.mapreduce.TaskAttemptID id) {
return HCatHadoopShims.Instance.get().createTaskAttemptContext(confid);
}
public static TaskAttemptContext createTaskAttemptContext(JobConf conf TaskAttemptID id Progressable progressable) {
return HCatHadoopShims.Instance.get ().createTaskAttemptContext(conf id (Reporter) progressable);
}
public static org.apache.hadoop.mapred.JobContext createJobContext(org.apache.hadoop.mapreduce.JobContext context) {
return createJobContext((JobConf)context.getConfiguration()
context.getJobID()
Reporter.NULL);
}
public static JobContext createJobContext(JobConf conf org.apache.hadoop.mapreduce.JobID id Progressable progressable) {
return HCatHadoopShims.Instance.get ().createJobContext(conf id (Reporter) progressable);
}
}
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