Package eu.bandm.tools.paisley

Class Filter<A>

java.lang.Object

eu.bandm.tools.paisley.Pattern<B>

eu.bandm.tools.paisley.Unary<B,A>

eu.bandm.tools.paisley.Transform<A,B>

eu.bandm.tools.paisley.RestrictedTransform<A,A>

eu.bandm.tools.paisley.Filter<A>

All Implemented Interfaces:

Serializable, Cloneable

public abstract class Filter<A>
extends RestrictedTransform<A,A>

Abstract base class for patterns that match only a subset of the target type.

Subclasses should override the Transform#isApplicable method.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class eu.bandm.tools.paisley.Pattern

Pattern.Either<A>

Field Summary

Fields inherited from class eu.bandm.tools.paisley.Pattern

_left_matched, _target_save, none

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Filter(Pattern<? super A> body)	Creates a new pattern.

Method Summary

Modifier and Type	Method	Description
A	apply(A target)	Transforms a target to be matched into a target for the subpattern.

Methods inherited from class eu.bandm.tools.paisley.RestrictedTransform

compileIsDomain, compileIsRange, compileMatch, compileMatchAgain, isDomain, isRange, match, matchAgain

Methods inherited from class eu.bandm.tools.paisley.Transform

compileApply

Methods inherited from class eu.bandm.tools.paisley.Unary

binds, clear, clone, compileClear, compileCut, cut, getBody, isDeterministic, preserves, preserves, setBody, toString

Methods inherited from class eu.bandm.tools.paisley.Pattern

all, all, all, all, all, and, andThen, andThen, any, aside, both, clear, compile, compileClear, compileCut, compileIsDeterministic, compileSubPattern, compileThis, compileUpTo, cut, DEBUG, either, enPassant, flatten, limit, main, matchOnce, matchVar, narrow, newAll, noMatch, none, of, or, orElse, orElse, repeat, some, some, some, some, someMatch, startCompile, uniquely, variable, variable

Methods inherited from class java.lang.Object

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

Constructor Details

Filter

protected Filter(Pattern<? super A> body)

Creates a new pattern.

Method Details

apply

public A apply(A target)

Transforms a target to be matched into a target for the subpattern.

The default implementations returns target.

Specified by:

apply in class Transform<A,A>

Parameters:

target - the target for this pattern to be matched against.

Returns:

a target for Unary.body to be matched against.