org.apache.crunch.impl.dist.collect

Class BaseInputCollection<S>

java.lang.Object

org.apache.crunch.impl.dist.collect.PCollectionImpl<S>

org.apache.crunch.impl.dist.collect.BaseInputCollection<S>

All Implemented Interfaces:

PCollection<S>

Direct Known Subclasses:

InputCollection

public class BaseInputCollection<S>
extends PCollectionImpl<S>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.crunch.impl.dist.collect.PCollectionImpl

PCollectionImpl.Visitor

Constructor Summary

Constructors

Constructor and Description
BaseInputCollection(Source<S> source, DistributedPipeline pipeline)
BaseInputCollection(Source<S> source, String name, DistributedPipeline pipeline, ParallelDoOptions doOpts)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
long	getLastModifiedAt() The time of the most recent modification to one of the input sources to the collection.
List<PCollectionImpl<?>>	getParents()
PType<S>	getPType() Returns the PType of this PCollection.
Source<S>	getSource()
int	hashCode()

Methods inherited from class org.apache.crunch.impl.dist.collect.PCollectionImpl

accept, aggregate, asCollection, asReadable, by, by, cache, cache, count, filter, filter, first, getDepth, getMaterializedAt, getName, getOnlyParent, getParallelDoOptions, getPipeline, getSize, getTargetDependencies, getTypeFamily, isBreakpoint, length, materialize, materializeAt, max, min, parallelDo, parallelDo, parallelDo, parallelDo, parallelDo, parallelDo, sequentialDo, setBreakpoint, toString, union, union, write, write

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BaseInputCollection

public BaseInputCollection(Source<S> source,
                           DistributedPipeline pipeline)

BaseInputCollection

public BaseInputCollection(Source<S> source,
                           String name,
                           DistributedPipeline pipeline,
                           ParallelDoOptions doOpts)

Method Detail

getPType

public PType<S> getPType()

Description copied from interface: PCollection

Returns the PType of this PCollection.

getSource

public Source<S> getSource()

getParents

public List<PCollectionImpl<?>> getParents()

Specified by:

getParents in class PCollectionImpl<S>

getLastModifiedAt

public long getLastModifiedAt()

Description copied from class: PCollectionImpl

The time of the most recent modification to one of the input sources to the collection. If the time can not be determined then -1 should be returned.

Specified by:

getLastModifiedAt in class PCollectionImpl<S>

Returns:

time of the most recent modification to one of the input sources to the collection.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object