org.jeasy.rules.api

Interface RuleListener

public interface RuleListener

A listener for rules execution events.

Author:

Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)

Method Summary

Modifier and Type	Method and Description
void	afterEvaluate(Rule rule, Facts facts, boolean evaluationResult) Triggered after the evaluation of a rule.
boolean	beforeEvaluate(Rule rule, Facts facts) Triggered before the evaluation of a rule.
void	beforeExecute(Rule rule, Facts facts) Triggered before the execution of a rule.
void	onFailure(Rule rule, Facts facts, Exception exception) Triggered after a rule has failed.
void	onSuccess(Rule rule, Facts facts) Triggered after a rule has been executed successfully.

Method Detail

beforeEvaluate

boolean beforeEvaluate(Rule rule,
                       Facts facts)

Triggered before the evaluation of a rule.

Parameters:

rule - being evaluated

facts - known before evaluating the rule

Returns:

true if the rule should be evaluated, false otherwise

afterEvaluate

void afterEvaluate(Rule rule,
                   Facts facts,
                   boolean evaluationResult)

Triggered after the evaluation of a rule.

Parameters:

rule - that has been evaluated

facts - known after evaluating the rule

evaluationResult - true if the rule evaluated to true, false otherwise

beforeExecute

void beforeExecute(Rule rule,
                   Facts facts)

Triggered before the execution of a rule.

Parameters:

rule - the current rule

facts - known facts before executing the rule

onSuccess

void onSuccess(Rule rule,
               Facts facts)

Triggered after a rule has been executed successfully.

Parameters:

rule - the current rule

facts - known facts after executing the rule

onFailure

void onFailure(Rule rule,
               Facts facts,
               Exception exception)

Triggered after a rule has failed.

Parameters:

rule - the current rule

facts - known facts after executing the rule

exception - the exception thrown when attempting to execute the rule