org.camunda.bpm.dmn.engine.impl

Class DefaultDmnDecisionContext

java.lang.Object

org.camunda.bpm.dmn.engine.impl.DefaultDmnDecisionContext

public class DefaultDmnDecisionContext
extends Object

Context which evaluates a decision on a given input

Field Summary

Fields

Modifier and Type	Field and Description
protected static HitPolicyEntry	COLLECT_HIT_POLICY
protected Map<Class<? extends DmnDecisionLogic>,DmnDecisionLogicEvaluationHandler>	evaluationHandlers
protected List<DmnDecisionEvaluationListener>	evaluationListeners
protected static DmnEngineLogger	LOG
protected static HitPolicyEntry	RULE_ORDER_HIT_POLICY

Constructor Summary

Constructors

Constructor and Description
DefaultDmnDecisionContext(DefaultDmnEngineConfiguration configuration)

Method Summary

Modifier and Type	Method and Description
protected void	addResultToVariableContext(DmnDecisionResult evaluatedResult, VariableMap variableMap, DmnDecision evaluatedDecision)
protected void	buildDecisionTree(DmnDecision decision, List<DmnDecision> requiredDecisions)
protected VariableMap	buildVariableMapFromVariableContext(VariableContext variableContext)
DmnDecisionResult	evaluateDecision(DmnDecision decision, VariableContext variableContext) Evaluate a decision with the given VariableContext
protected void	generateDecisionEvaluationEvent(List<DmnDecisionLogicEvaluationEvent> evaluatedEvents)
protected DmnDecisionLogicEvaluationHandler	getDecisionEvaluationHandler(DmnDecision decision)
protected boolean	isDecisionTableWithCollectOrRuleOrderHitPolicy(DmnDecision evaluatedDecision)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final DmnEngineLogger LOG

COLLECT_HIT_POLICY

protected static final HitPolicyEntry COLLECT_HIT_POLICY

RULE_ORDER_HIT_POLICY

protected static final HitPolicyEntry RULE_ORDER_HIT_POLICY

evaluationListeners

protected final List<DmnDecisionEvaluationListener> evaluationListeners

evaluationHandlers

protected final Map<Class<? extends DmnDecisionLogic>,DmnDecisionLogicEvaluationHandler> evaluationHandlers

Constructor Detail

DefaultDmnDecisionContext

public DefaultDmnDecisionContext(DefaultDmnEngineConfiguration configuration)

Method Detail

evaluateDecision

public DmnDecisionResult evaluateDecision(DmnDecision decision,
                                          VariableContext variableContext)

Evaluate a decision with the given VariableContext

Parameters:

decision - the decision to evaluate

variableContext - the available variable context

Returns:

the result of the decision evaluation

buildVariableMapFromVariableContext

protected VariableMap buildVariableMapFromVariableContext(VariableContext variableContext)

buildDecisionTree

protected void buildDecisionTree(DmnDecision decision,
                                 List<DmnDecision> requiredDecisions)

getDecisionEvaluationHandler

protected DmnDecisionLogicEvaluationHandler getDecisionEvaluationHandler(DmnDecision decision)

addResultToVariableContext

protected void addResultToVariableContext(DmnDecisionResult evaluatedResult,
                                          VariableMap variableMap,
                                          DmnDecision evaluatedDecision)

isDecisionTableWithCollectOrRuleOrderHitPolicy

protected boolean isDecisionTableWithCollectOrRuleOrderHitPolicy(DmnDecision evaluatedDecision)

generateDecisionEvaluationEvent

protected void generateDecisionEvaluationEvent(List<DmnDecisionLogicEvaluationEvent> evaluatedEvents)