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java.lang.Objectorg.apache.hadoop.mapreduce.OutputCommitter
org.apache.cassandra.hadoop.ColumnFamilyOutputFormat.NullOutputCommitter
public static class ColumnFamilyOutputFormat.NullOutputCommitter
An OutputCommitter that does nothing.
| Constructor Summary | |
|---|---|
ColumnFamilyOutputFormat.NullOutputCommitter()
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| Method Summary | |
|---|---|
void |
abortTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
Discard the task output |
void |
cleanupJob(org.apache.hadoop.mapreduce.JobContext jobContext)
For cleaning up the job's output after job completion |
void |
commitTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
To promote the task's temporary output to final output location The task's output is moved to the job's output directory. |
boolean |
needsTaskCommit(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
Check whether task needs a commit |
void |
setupJob(org.apache.hadoop.mapreduce.JobContext jobContext)
For the framework to setup the job output during initialization |
void |
setupTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
Sets up output for the task. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public ColumnFamilyOutputFormat.NullOutputCommitter()
| Method Detail |
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public void abortTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
org.apache.hadoop.mapreduce.OutputCommitter
abortTask in class org.apache.hadoop.mapreduce.OutputCommitterpublic void cleanupJob(org.apache.hadoop.mapreduce.JobContext jobContext)
org.apache.hadoop.mapreduce.OutputCommitter
cleanupJob in class org.apache.hadoop.mapreduce.OutputCommitterjobContext - Context of the job whose output is being written.public void commitTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
org.apache.hadoop.mapreduce.OutputCommitter
commitTask in class org.apache.hadoop.mapreduce.OutputCommittertaskContext - Context of the task whose output is being written.public boolean needsTaskCommit(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
org.apache.hadoop.mapreduce.OutputCommitter
needsTaskCommit in class org.apache.hadoop.mapreduce.OutputCommitterpublic void setupJob(org.apache.hadoop.mapreduce.JobContext jobContext)
org.apache.hadoop.mapreduce.OutputCommitter
setupJob in class org.apache.hadoop.mapreduce.OutputCommitterjobContext - Context of the job whose output is being written.public void setupTask(org.apache.hadoop.mapreduce.TaskAttemptContext taskContext)
org.apache.hadoop.mapreduce.OutputCommitter
setupTask in class org.apache.hadoop.mapreduce.OutputCommittertaskContext - Context of the task whose output is being written.
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