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Packages that use RawComparator | |
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p2pMapReduce.entity | |
p2pMapReduce.mapreduceModule | Collection of class to implement a map reduce framework. |
p2pMapReduce.mapreduceModule.io |
Uses of RawComparator in p2pMapReduce.entity |
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Methods in p2pMapReduce.entity with parameters of type RawComparator | ||
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protected static
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ReduceTaskRunner.createReduceContext(Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer,
Configuration job,
TaskAttemptID taskId,
java.lang.String partitionFile,
Counter inputKeyCounter,
Counter inputValueCounter,
RecordWriter<OUTKEY,OUTVALUE> output,
OutputCommitter committer,
StatusReporter reporter,
RawComparator<INKEY> comparator,
java.lang.Class<INKEY> keyClass,
java.lang.Class<INVALUE> valueClass)
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Uses of RawComparator in p2pMapReduce.mapreduceModule |
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Methods in p2pMapReduce.mapreduceModule that return RawComparator | |
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RawComparator<?> |
JobContextImpl.getGroupingComparator()
Get the user defined RawComparator comparator for
grouping keys of inputs to the reduce. |
RawComparator |
JobConf.getOutputKeyComparator()
Get the RawComparator comparator used to compare keys. |
RawComparator |
JobConf.getOutputValueGroupingComparator()
Get the user defined WritableComparable comparator for
grouping keys of inputs to the reduce. |
RawComparator<?> |
JobContext.getSortComparator()
Get the RawComparator comparator used to compare keys. |
RawComparator<?> |
JobContextImpl.getSortComparator()
Get the RawComparator comparator used to compare keys. |
RawComparator<?> |
WrappedMapper.Context.getSortComparator()
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RawComparator<?> |
WrappedReducer.Context.getSortComparator()
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Method parameters in p2pMapReduce.mapreduceModule with type arguments of type RawComparator | |
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void |
Job.setGroupingComparatorClass(java.lang.Class<? extends RawComparator> cls)
Define the comparator that controls which keys are grouped together for a single call to Reducer#reduce(Object, Iterable,
org.apache.hadoop.mapreduce.Reducer.Context) |
void |
JobConf.setOutputKeyComparatorClass(java.lang.Class<? extends RawComparator> theClass)
Set the RawComparator comparator used to compare keys. |
void |
JobConf.setOutputValueGroupingComparator(java.lang.Class<? extends RawComparator> theClass)
Set the user defined RawComparator comparator for
grouping keys in the input to the reduce. |
void |
Job.setSortComparatorClass(java.lang.Class<? extends RawComparator> cls)
Define the comparator that controls how the keys are sorted before they are passed to the Reducer . |
Uses of RawComparator in p2pMapReduce.mapreduceModule.io |
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Classes in p2pMapReduce.mapreduceModule.io that implement RawComparator | |
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static class |
NullWritable.Comparator
A Comparator "optimized" for NullWritable. |
class |
WritableComparator
A Comparator for WritableComparable s. |
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