|
||||||||||
PREV NEXT | FRAMES NO FRAMES |
Packages that use TaskAttemptContext | |
---|---|
p2pMapReduce.mapreduceModule | Collection of class to implement a map reduce framework. |
p2pMapReduce.mapreduceModule.input | |
p2pMapReduce.mapreduceModule.output |
Uses of TaskAttemptContext in p2pMapReduce.mapreduceModule |
---|
Subinterfaces of TaskAttemptContext in p2pMapReduce.mapreduceModule | |
---|---|
interface |
MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
The context that is given to the Mapper . |
interface |
ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
The context passed to the Reducer . |
interface |
TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
A context object that allows input and output from the task. |
Classes in p2pMapReduce.mapreduceModule that implement TaskAttemptContext | |
---|---|
class |
MapContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
The context that is given to the Mapper . |
class |
Mapper.Context
The Context passed on to the Mapper implementations. |
class |
ReduceContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
NOTE: the format of intermediate result depends on MapContext#write(K,V)
method that refer to RecordWriter |
class |
Reducer.Context
The Context passed on to the Reducer implementations. |
class |
TaskAttemptContextImpl
The context for task attempts. |
class |
TaskInputOutputContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
A context object that allows input and output from the task. |
class |
WrappedMapper.Context
|
class |
WrappedReducer.Context
|
Methods in p2pMapReduce.mapreduceModule with parameters of type TaskAttemptContext | |
---|---|
abstract void |
OutputCommitter.abortTask(TaskAttemptContext taskContext)
Discard the task output |
abstract void |
OutputCommitter.commitTask(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. |
abstract boolean |
OutputCommitter.needsTaskCommit(TaskAttemptContext taskContext)
Check whether task needs a commit |
abstract void |
OutputCommitter.setupTask(TaskAttemptContext taskContext)
Sets up output for the task. |
Uses of TaskAttemptContext in p2pMapReduce.mapreduceModule.input |
---|
Methods in p2pMapReduce.mapreduceModule.input with parameters of type TaskAttemptContext | |
---|---|
abstract RecordReader<K,V> |
InputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
Create a record reader for a given split. |
RecordReader<java.lang.Long,java.lang.String> |
TextFileInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context)
|
void |
LineRecordReader.initialize(InputSplit split,
TaskAttemptContext context)
|
abstract void |
RecordReader.initialize(InputSplit split,
TaskAttemptContext context)
Called once at initialization. |
Uses of TaskAttemptContext in p2pMapReduce.mapreduceModule.output |
---|
Methods in p2pMapReduce.mapreduceModule.output with parameters of type TaskAttemptContext | |
---|---|
void |
LineRecordWriter.close(TaskAttemptContext context)
|
void |
MapRecordWriter.close(TaskAttemptContext context)
|
abstract void |
RecordWriter.close(TaskAttemptContext context)
Close this RecordWriter to future operations. |
abstract OutputCommitter |
OutputFormat.getOutputCommitter(TaskAttemptContext context)
Get the output committer for this output format. |
OutputCommitter |
TextFileOutputFormat.getOutputCommitter(TaskAttemptContext context)
|
abstract RecordWriter<K,V> |
OutputFormat.getRecordWriter(TaskAttemptContext context)
Get the RecordWriter for the given task. |
RecordWriter<K,V> |
TextFileOutputFormat.getRecordWriter(TaskAttemptContext context)
|
Constructors in p2pMapReduce.mapreduceModule.output with parameters of type TaskAttemptContext | |
---|---|
LineRecordWriter(TaskAttemptContext context,
java.lang.String outDir)
|
|
||||||||||
PREV NEXT | FRAMES NO FRAMES |