org.springframework.rules.constraint.property
Class RequiredIfTrue

java.lang.Object
  org.springframework.rules.constraint.property.AbstractPropertyConstraint
      org.springframework.rules.constraint.property.RequiredIfTrue

All Implemented Interfaces:

Constraint, PropertyConstraint

Direct Known Subclasses:

RequiredIfOthersPresent

public class RequiredIfTrue
extends AbstractPropertyConstraint

Validates a property value as 'required' if some other condition is true.

Author:

Seth Ladd, Keith Donald

Constructor Summary

protected	RequiredIfTrue(String propertyName)
	RequiredIfTrue(String propertyName, Constraint predicate) Tests that the property is present if the provided predicate is satisified.

Method Summary

Constraint	getConstraint()
boolean	isDependentOn(String propertyName) Determine if this rule is dependent on the given property name.
protected void	setConstraint(Constraint predicate)
protected boolean	test(PropertyAccessStrategy domainObjectAccessStrategy)
String	toString()

Methods inherited from class org.springframework.rules.constraint.property.AbstractPropertyConstraint

getPropertyName, isCompoundRule, setPropertyName, test

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredIfTrue

public RequiredIfTrue(String propertyName,
                      Constraint predicate)

Tests that the property is present if the provided predicate is satisified.

Parameters:

predicate - the condition

RequiredIfTrue

protected RequiredIfTrue(String propertyName)

Method Detail

getConstraint

public Constraint getConstraint()

setConstraint

protected void setConstraint(Constraint predicate)

isDependentOn

public boolean isDependentOn(String propertyName)

Determine if this rule is dependent on the given property name. True if either the direct poperty (from the contstructor) is equal to the given name, or if the "if true" predicate is a PropertyConstraint and it is dependent on the given property.

Specified by:

isDependentOn in interface PropertyConstraint

Overrides:

isDependentOn in class AbstractPropertyConstraint

Returns:

true if this rule is dependent on the given property

test

protected boolean test(PropertyAccessStrategy domainObjectAccessStrategy)

Specified by:

test in class AbstractPropertyConstraint

toString

public String toString()

Overrides:

toString in class AbstractPropertyConstraint