类 org.apache.hadoop.mapred.JobContext
的使用

使用JobContext的程序包

程序包	说明
org.apache.hadoop.mapred	A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.

org.apache.hadoop.mapred中JobContext的使用

声明为JobContext的org.apache.hadoop.mapred中的字段

限定符和类型	字段和说明
protected JobContext	Task.jobContext

参数类型为JobContext的org.apache.hadoop.mapred中的方法

限定符和类型	方法和说明
void	OutputCommitter.abortJob(JobContext jobContext, int status) For cleaning up the job's output after job failure.
void	FileOutputCommitter.abortJob(JobContext context, int runState) Delete the temporary directory, including all of the work directories.
void	OutputCommitter.cleanupJob(JobContext jobContext) 已过时。 use OutputCommitter.commitJob(JobContext) or OutputCommitter.abortJob(JobContext, int) instead
void	FileOutputCommitter.cleanupJob(JobContext context) 已过时。
void	OutputCommitter.commitJob(JobContext jobContext) For committing job's output after successful job completion.
void	FileOutputCommitter.commitJob(JobContext context)
abstract void	OutputCommitter.setupJob(JobContext jobContext) For the framework to setup the job output during initialization
void	FileOutputCommitter.setupJob(JobContext context)