Package io.camunda.zeebe.dmn.impl

Class DmnScalaDecisionEngine

java.lang.Object

io.camunda.zeebe.dmn.impl.DmnScalaDecisionEngine

All Implemented Interfaces:

DecisionEngine

public final class DmnScalaDecisionEngine
extends Object
implements DecisionEngine

A wrapper around the DMN-Scala decision engine.

GitHub Repository

Documentation

Constructor Summary

Constructors

Constructor	Description
DmnScalaDecisionEngine()

Method Summary

Modifier and Type	Method	Description
DecisionEvaluationResult	evaluateDecisionById(ParsedDecisionRequirementsGraph decisionRequirementsGraph, String decisionId, DecisionContext context)	Evaluates a decision in the provided decision requirements graph.
ParsedDecisionRequirementsGraph	parse(InputStream dmnResource)	Parses the given DMN resource into a parsed decision requirements graph, containing the decision and its requirements.

Methods inherited from class java.lang.Object

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

Constructor Details

DmnScalaDecisionEngine

public DmnScalaDecisionEngine()

Method Details

parse

public ParsedDecisionRequirementsGraph parse(InputStream dmnResource)

Description copied from interface: DecisionEngine

Parses the given DMN resource into a parsed decision requirements graph, containing the decision and its requirements.

If the DMN is not valid then it returns a result object that contains the failure message, instead of throwing an exception.

Specified by:

parse in interface DecisionEngine

Parameters:

dmnResource - the DMN resource as input stream

Returns:

the parsed decision requirements graph, or the failure message if the DMN is not valid

evaluateDecisionById

public DecisionEvaluationResult evaluateDecisionById(ParsedDecisionRequirementsGraph decisionRequirementsGraph,
 String decisionId,
 DecisionContext context)

Description copied from interface: DecisionEngine

Evaluates a decision in the provided decision requirements graph.

If the decision could not be evaluated successfully, then it returns a result object that contains the evaluation failure instead of throwing an exception.

Specified by:

evaluateDecisionById in interface DecisionEngine

Parameters:

decisionRequirementsGraph - the graph containing the decision to evaluate and all its requirements

decisionId - the id of the decision to evaluate

context - the evaluation context used to evaluate the decision

Returns:

the result of evaluating the decision, or the evaluation failure if the decision could not be evaluated successfully