org.geotools.brewer.styling.filter.expression

Class NilBuilder

Object

NilBuilder

All Implemented Interfaces:

Builder<NilExpression>

public class NilBuilder
extends Object
implements Builder<NilExpression>

Constructor Summary

Constructors

Constructor and Description
NilBuilder()

Method Summary

Modifier and Type	Method and Description
NilExpression	build() Created object, may be null if unset()
Builder<NilExpression>	reset() Configure the Builder to produce a default result.
Builder<NilExpression>	reset(NilExpression original) Configure the Builder to produce a copy of the provided original.
Builder<NilExpression>	unset() Configure the Builder to produce null.

Methods inherited from class Object

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

Constructor Detail

NilBuilder

public NilBuilder()

Method Detail

build

public NilExpression build()

Description copied from interface: Builder

Created object, may be null if unset()

Specified by:

build in interface Builder<NilExpression>

Returns:

Created object may be null if unset()

reset

public Builder<NilExpression> reset()

Description copied from interface: Builder

Configure the Builder to produce a default result.

Specified by:

reset in interface Builder<NilExpression>

Returns:

Builder configured to produce a default result.

reset

public Builder<NilExpression> reset(NilExpression original)

Description copied from interface: Builder

Configure the Builder to produce a copy of the provided original.

Specified by:

reset in interface Builder<NilExpression>

Parameters:

original - Original, if null this will behave the same as unset()

Returns:

Builder configured to produce the provided original

unset

public Builder<NilExpression> unset()

Description copied from interface: Builder

Configure the Builder to produce null.

This method allows a Builder to be used as a placeholder; in its unset state the build() method will produce null. If any of the builder methods are used the builder will produce a result.

Specified by:

unset in interface Builder<NilExpression>

Returns:

Builder configured to build null