Package org.rossonet.ext.rules.support.composite

Class UnitRuleGroup

java.lang.Object

org.rossonet.ext.rules.core.BasicRule

org.rossonet.ext.rules.support.composite.CompositeRule

org.rossonet.ext.rules.support.composite.UnitRuleGroup

All Implemented Interfaces:

java.lang.Comparable<Rule>, Rule

public class UnitRuleGroup
extends CompositeRule

A unit rule group is a composite rule that acts as a unit: Either all rules are applied or nothing is applied (all or nothing semantic). This class is not thread-safe.

Field Summary

Fields inherited from class org.rossonet.ext.rules.support.composite.CompositeRule

rules

Fields inherited from class org.rossonet.ext.rules.core.BasicRule

description, name, priority

Fields inherited from interface org.rossonet.ext.rules.api.Rule

DEFAULT_DESCRIPTION, DEFAULT_NAME, DEFAULT_PRIORITY

Constructor Summary

Constructors

Constructor	Description
UnitRuleGroup()	Create a unit rule group.
UnitRuleGroup(java.lang.String name)	Create a unit rule group.
UnitRuleGroup(java.lang.String name, java.lang.String description)	Create a unit rule group.
UnitRuleGroup(java.lang.String name, java.lang.String description, int priority)	Create a unit rule group.

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(Facts facts)	This method implements the rule's condition(s).
void	execute(Facts facts)	This method implements the rule's action(s).

Methods inherited from class org.rossonet.ext.rules.support.composite.CompositeRule

addRule, removeRule

Methods inherited from class org.rossonet.ext.rules.core.BasicRule

compareTo, equals, getDescription, getName, getPriority, hashCode, setDescription, setPriority, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.rossonet.ext.rules.api.Rule

isTraceEnable

Constructor Detail

UnitRuleGroup

public UnitRuleGroup()

Create a unit rule group.

UnitRuleGroup

public UnitRuleGroup(java.lang.String name)

Create a unit rule group.

Parameters:

name - of the composite rule

UnitRuleGroup

public UnitRuleGroup(java.lang.String name,
                     java.lang.String description)

Create a unit rule group.

Parameters:

name - of the composite rule

description - of the composite rule

UnitRuleGroup

public UnitRuleGroup(java.lang.String name,
                     java.lang.String description,
                     int priority)

Create a unit rule group.

Parameters:

name - of the composite rule

description - of the composite rule

priority - of the composite rule

Method Detail

evaluate

public boolean evaluate(Facts facts)

Description copied from class: BasicRule

This method implements the rule's condition(s). Implementations should handle any runtime exception and return true/false accordingly

Specified by:

evaluate in interface Rule

Specified by:

evaluate in class CompositeRule

Returns:

true if the rule should be applied given the provided facts, false otherwise

execute

public void execute(Facts facts)
             throws java.lang.Exception

Description copied from class: BasicRule

This method implements the rule's action(s).

Specified by:

execute in interface Rule

Specified by:

execute in class CompositeRule

Throws:

java.lang.Exception - thrown if an exception occurs when performing action(s)