org.activiti.dmn.engine.impl

Class RuleEngineExecutorImpl

java.lang.Object

org.activiti.dmn.engine.impl.RuleEngineExecutorImpl

All Implemented Interfaces:

RuleEngineExecutor

public class RuleEngineExecutorImpl
extends Object
implements RuleEngineExecutor

Author:

Yvo Swillens

Constructor Summary

Constructors

Constructor and Description
RuleEngineExecutorImpl()

Method Summary

Modifier and Type	Method and Description
protected void	composeOutputEntryResult(int ruleRowIndex, RuleOutputClauseContainer ruleClauseContainer, MvelExecutionContext executionContext)
protected Map<String,Object>	evaluateDecisionTable(DecisionTable decisionTable, MvelExecutionContext executionContext)
RuleEngineExecutionResult	execute(Decision decision, Map<String,Object> input, Map<String,Method> customExpressionFunctions, Map<Class<?>,org.mvel2.integration.PropertyHandler> propertyHandlers) Executes the given decision table and creates the outcome results
protected Boolean	executeInputExpressionEvaluation(RuleInputClauseContainer ruleContainer, MvelExecutionContext executionContext)
protected void	executeOutputEntryAction(int ruleRowIndex, List<RuleOutputClauseContainer> ruleOutputContainers, MvelExecutionContext executionContext)
protected Boolean	executeRule(int ruleRowIndex, DecisionRule rule, MvelExecutionContext executionContext, List<ValidRuleOutputEntries> validOutputEntriesStack)
protected String	getExceptionMessage(Exception exception)
protected Boolean	shouldContinueEvaluating(HitPolicy hitPolicy, Boolean ruleResult)

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleEngineExecutorImpl

public RuleEngineExecutorImpl()

Method Detail

execute

public RuleEngineExecutionResult execute(Decision decision,
                                         Map<String,Object> input,
                                         Map<String,Method> customExpressionFunctions,
                                         Map<Class<?>,org.mvel2.integration.PropertyHandler> propertyHandlers)

Executes the given decision table and creates the outcome results

Specified by:

execute in interface RuleEngineExecutor

Parameters:

decision - the DMN decision

input - map with input variables

Returns:

updated execution variables map

evaluateDecisionTable

protected Map<String,Object> evaluateDecisionTable(DecisionTable decisionTable,
                                                   MvelExecutionContext executionContext)

shouldContinueEvaluating

protected Boolean shouldContinueEvaluating(HitPolicy hitPolicy,
                                           Boolean ruleResult)

executeRule

protected Boolean executeRule(int ruleRowIndex,
                              DecisionRule rule,
                              MvelExecutionContext executionContext,
                              List<ValidRuleOutputEntries> validOutputEntriesStack)

executeInputExpressionEvaluation

protected Boolean executeInputExpressionEvaluation(RuleInputClauseContainer ruleContainer,
                                                   MvelExecutionContext executionContext)

executeOutputEntryAction

protected void executeOutputEntryAction(int ruleRowIndex,
                                        List<RuleOutputClauseContainer> ruleOutputContainers,
                                        MvelExecutionContext executionContext)

composeOutputEntryResult

protected void composeOutputEntryResult(int ruleRowIndex,
                                        RuleOutputClauseContainer ruleClauseContainer,
                                        MvelExecutionContext executionContext)

getExceptionMessage

protected String getExceptionMessage(Exception exception)