org.deduced.validation.validator.rule
Class IsNullableValidRule

java.lang.Object
  org.deduced.rule.DeductionRuleLibrary
      org.deduced.validation.validator.rule.IsNullableValidRule

All Implemented Interfaces:

DeductionRuleAnalyzer<java.lang.Object>

public class IsNullableValidRule
extends DeductionRuleLibrary

IsNullableValidRule is used to validate nullable properties to check whether null is allowed or not.

Author:

Steve McDuff

Nested Class Summary

Nested classes/interfaces inherited from class org.deduced.rule.DeductionRuleLibrary

DeductionRuleLibrary.CompareResult

Constructor Summary

IsNullableValidRule()

Method Summary

java.lang.Object	analyzeRule(java.lang.Object[] inputs, RuleExecutionContext context, PropertyCollection<?,?> collection, PropertyCollection<?,?> rule) (non-Javadoc)
static java.lang.String	validateNullableValue(java.lang.Object value, java.lang.Boolean canBeNull) validate that a nullable value is valid based on the canBeNull flag.

Methods inherited from class org.deduced.rule.DeductionRuleLibrary

addReferenceToList, and, bigger, biggerOrEqual, createDateIncrementList, createObject, createObjectsMatchingAllValues, createObjectsMatchingAllValues, debug, equalTo, fillList, filter, filterList, filterList, filterList, findParentOfType, formatDate, formatDate, formatTime, instanceOf, maximumCollection, maximumValue, merge, minimumCollection, minimumValue, not, or, property, same, smaller, smallerOrEqual, sum, sum

Methods inherited from class java.lang.Object

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

Constructor Detail

IsNullableValidRule

public IsNullableValidRule()

Method Detail

analyzeRule

public java.lang.Object analyzeRule(java.lang.Object[] inputs,
                                    RuleExecutionContext context,
                                    PropertyCollection<?,?> collection,
                                    PropertyCollection<?,?> rule)

(non-Javadoc)

Parameters:

inputs - the array of inputs

context - the rule execution context

collection - the collection on which the rule is executed

rule - the rule being executed

Returns:

the rule result

See Also:

DeductionRuleAnalyzer.analyzeRule(java.lang.Object[], org.deduced.RuleExecutionContext, org.deduced.PropertyCollection, org.deduced.PropertyCollection)

validateNullableValue

public static java.lang.String validateNullableValue(java.lang.Object value,
                                                     java.lang.Boolean canBeNull)

validate that a nullable value is valid based on the canBeNull flag.

Parameters:

value - the numeric value

canBeNull - flag indicating if the object can be null. If the flag is null, then the object is allowed to be null.

Returns:

the validation error string. Null if the new value is valid.