org.springframework.rules.constraint.property
Class CompoundPropertyConstraint

java.lang.Object
  org.springframework.rules.constraint.property.CompoundPropertyConstraint

All Implemented Interfaces:

Constraint, PropertyConstraint

public class CompoundPropertyConstraint
extends Object
implements PropertyConstraint

Abstract base class for unary predicates which compose other predicates.

Author:

Keith Donald

Constructor Summary

CompoundPropertyConstraint(CompoundConstraint compoundConstraint)
Constructs a compound predicate with no initial members.

Method Summary

CompoundPropertyConstraint	add(PropertyConstraint constraint) Add the specified predicate to the set of predicates aggregated by this compound predicate.
Constraint	getPredicate()
String	getPropertyName() Returns the constrained property name.
boolean	isCompoundRule() Does this property constraint effect more than one property?
boolean	isDependentOn(String propertyName) Returns true if this property constraint is dependent on the provided propertyName for test evaluation; that is, it should be retested when propertyName changes.
Iterator	iterator() Return an iterator over the aggregated predicates.
boolean	test(Object bean) Test the provided argument against this predicate's condition.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CompoundPropertyConstraint

public CompoundPropertyConstraint(CompoundConstraint compoundConstraint)

Constructs a compound predicate with no initial members. It is expected the client will call "add" to add individual predicates.

Method Detail

getPropertyName

public String getPropertyName()

Description copied from interface: PropertyConstraint

Returns the constrained property name.

Specified by:

getPropertyName in interface PropertyConstraint

Returns:

The property name

isDependentOn

public boolean isDependentOn(String propertyName)

Description copied from interface: PropertyConstraint

Returns true if this property constraint is dependent on the provided propertyName for test evaluation; that is, it should be retested when propertyName changes.

Specified by:

isDependentOn in interface PropertyConstraint

Returns:

true or false

isCompoundRule

public boolean isCompoundRule()

Description copied from interface: PropertyConstraint

Does this property constraint effect more than one property?

Specified by:

isCompoundRule in interface PropertyConstraint

Returns:

true if yes, false otherwise

getPredicate

public Constraint getPredicate()

add

public CompoundPropertyConstraint add(PropertyConstraint constraint)

Add the specified predicate to the set of predicates aggregated by this compound predicate.

Parameters:

predicate - the predicate to add

Returns:

A reference to this, to support chaining.

iterator

public Iterator iterator()

Return an iterator over the aggregated predicates.

Returns:

An iterator

test

public boolean test(Object bean)

Description copied from interface: Constraint

Test the provided argument against this predicate's condition.

Specified by:

test in interface Constraint

Parameters:

bean - the argument value

Returns:

true if the condition was satisfied, false otherwise

toString

public String toString()

Overrides:

toString in class Object