uk.gov.gchq.gaffer.function.processor

Class Filter.Builder<R>

java.lang.Object

uk.gov.gchq.gaffer.function.processor.Filter.Builder<R>

Type Parameters:

R - The type of reference used by tuples.

Enclosing class:

Filter<R>

public static class Filter.Builder<R>
extends Object

Implementation of the Builder pattern for Filter.

Constructor Summary

Constructors

Constructor and Description
Builder() Create a Builder to configure a new Filter.
Builder(Filter<R> filter) Create a Builder to configure a Filter.

Method Summary

Modifier and Type	Method and Description
Filter<R>	build() Build the Filter configured by this Builder.
Filter.Builder<R>	execute(FilterFunction function) Set the FilterFunction to be executed by the current ConsumerFunctionContext.
Filter.Builder<R>	select(R... selection) Set the selection references for the current ConsumerFunctionContext.

Methods inherited from class java.lang.Object

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

Constructor Detail

Builder

public Builder()

Create a Builder to configure a new Filter.

Builder

public Builder(Filter<R> filter)

Create a Builder to configure a Filter.

Parameters:

filter - Filter to be configured.

Method Detail

select

public Filter.Builder<R> select(R... selection)

Set the selection references for the current ConsumerFunctionContext. If the current context already has a selection set, a new context is created and made current. Returns this Builder for further configuration.

Parameters:

selection - Selection references.

Returns:

This Builder.

execute

public Filter.Builder<R> execute(FilterFunction function)

Set the FilterFunction to be executed by the current ConsumerFunctionContext. If the current context already has a function set, a new context is created and made current. Returns this Builder for further configuration.

Parameters:

function - FilterFunction to be executed.

Returns:

This Builder.

build

public Filter<R> build()

Build the Filter configured by this Builder.

Returns:

Configured Filter.