org.apache.hadoop.mapred

类 JobContext

java.lang.Object

org.apache.hadoop.mapreduce.JobContext

org.apache.hadoop.mapred.JobContext

public class JobContext
extends JobContext

字段概要

从类继承的字段 org.apache.hadoop.mapreduce.JobContext

CACHE_ARCHIVES_VISIBILITIES, CACHE_FILE_VISIBILITIES, COMBINE_CLASS_ATTR, conf, credentials, INPUT_FORMAT_CLASS_ATTR, JOB_ACL_MODIFY_JOB, JOB_ACL_VIEW_JOB, JOB_CANCEL_DELEGATION_TOKEN, JOB_NAMENODES, MAP_CLASS_ATTR, OUTPUT_FORMAT_CLASS_ATTR, PARTITIONER_CLASS_ATTR, REDUCE_CLASS_ATTR, ugi, USER_LOG_RETAIN_HOURS

方法概要

方法

限定符和类型	方法和说明
JobConf	getJobConf() Get the job Configuration
Progressable	getProgressible() Get the progress mechanism for reporting progress.

从类继承的方法 org.apache.hadoop.mapreduce.JobContext

getCombinerClass, getConfiguration, getCredentials, getGroupingComparator, getInputFormatClass, getJar, getJobID, getJobName, getMapOutputKeyClass, getMapOutputValueClass, getMapperClass, getNumReduceTasks, getOutputFormatClass, getOutputKeyClass, getOutputValueClass, getPartitionerClass, getReducerClass, getSortComparator, getWorkingDirectory

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

getJobConf

public JobConf getJobConf()

Get the job Configuration

返回:

JobConf

getProgressible

public Progressable getProgressible()

Get the progress mechanism for reporting progress.

返回:

progress mechanism