org.apache.hadoop.mapred

类 TaskAttemptContext

java.lang.Object

org.apache.hadoop.mapreduce.JobContext

org.apache.hadoop.mapreduce.TaskAttemptContext

org.apache.hadoop.mapred.TaskAttemptContext

所有已实现的接口:

Progressable

public class TaskAttemptContext
extends TaskAttemptContext

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()
Progressable	getProgressible()
TaskAttemptID	getTaskAttemptID() Get the taskAttemptID.
void	progress() Report progress.

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

getStatus, setStatus

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

getTaskAttemptID

public TaskAttemptID getTaskAttemptID()

Get the taskAttemptID.

覆盖:

getTaskAttemptID 在类中 TaskAttemptContext

返回:

TaskAttemptID

getProgressible

public Progressable getProgressible()

getJobConf

public JobConf getJobConf()

progress

public void progress()

从类复制的说明: TaskAttemptContext

Report progress. The subtypes actually do work in this method.

指定者:

progress 在接口中 Progressable

覆盖:

progress 在类中 TaskAttemptContext