org.apache.storm.trident.operation.builtin

Class FilterNull

java.lang.Object

org.apache.storm.trident.operation.BaseOperation

org.apache.storm.trident.operation.BaseFilter

org.apache.storm.trident.operation.builtin.FilterNull

All Implemented Interfaces:

Serializable, EachOperation, Filter, Operation

public class FilterNull
extends BaseFilter

Simple Filter implementation that filters out any tuples that have fields with a value of null.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FilterNull()

Method Summary

Modifier and Type	Method and Description
boolean	isKeep(TridentTuple tuple) Determines if a tuple should be filtered out of a stream.

Methods inherited from class org.apache.storm.trident.operation.BaseOperation

cleanup, prepare

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

FilterNull

public FilterNull()

Method Detail

isKeep

public boolean isKeep(TridentTuple tuple)

Description copied from interface: Filter

Determines if a tuple should be filtered out of a stream.

Parameters:

tuple - the tuple being evaluated

Returns:

false to drop the tuple, true to keep the tuple