Package 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	Description
FilterNull()

Method Summary

Modifier and Type	Method	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 Details

FilterNull

public FilterNull()

Method Details

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