org.kuali.rice.krms.framework.engine
Class BasicRule

java.lang.Object
  org.kuali.rice.krms.framework.engine.BasicRule

All Implemented Interfaces:

Rule

Direct Known Subclasses:

FalseTriggeredRule, ValidationRule

public class BasicRule
extends Object
implements Rule

A Rule that executes a Action when the Proposition is true.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Constructor Summary

BasicRule(Proposition proposition, List<Action> actions)
Constructor

BasicRule(String name, Proposition proposition, List<Action> actions)
Constructor

Method Summary

boolean	evaluate(ExecutionEnvironment environment) Evaluate a given ExecutionEnvironment, returning true if the rules conditions pass, false if they do not.
String	getName() Return the Rule name
protected boolean	shouldExecuteAction(boolean ruleExecutionResult) Based on the ruleExecutionResult should the Action be executed? Default behavior is to return the given ruleExecutionResult.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicRule

public BasicRule(String name,
                 Proposition proposition,
                 List<Action> actions)

Constructor

Parameters:

name - Rule name to set the name to

proposition - Proposition to set the proposition to, cannot be null

actions - Rule Actions to set the actions to

Throws:

IllegalArgumentException - if the Proposition is null

BasicRule

public BasicRule(Proposition proposition,
                 List<Action> actions)

Constructor

Parameters:

proposition - Proposition to set the proposition to, cannot be null

actions - Rule Actions to set the actions to

Throws:

IllegalArgumentException - if the Proposition is null

Method Detail

evaluate

public boolean evaluate(ExecutionEnvironment environment)

Description copied from interface: Rule

Evaluate a given ExecutionEnvironment, returning true if the rules conditions pass, false if they do not.

Specified by:

evaluate in interface Rule

Parameters:

environment - ExecutionEnvironment

Returns:

true if given ExecutionEnvironment the rule's conditions pass, false if they do not

shouldExecuteAction

protected boolean shouldExecuteAction(boolean ruleExecutionResult)

Based on the ruleExecutionResult should the Action be executed? Default behavior is to return the given ruleExecutionResult. Over-writable by subclasses.

Parameters:

ruleExecutionResult - the result of the engines evaluation method.

Returns:

boolean should the action execute

getName

public String getName()

Return the Rule name

Returns:

name Rule name

toString

public String toString()

Overrides:

toString in class Object