Package org.hl7.fhir.validation.instance

Class EnableWhenEvaluator

java.lang.Object

org.hl7.fhir.validation.instance.EnableWhenEvaluator

public class EnableWhenEvaluator
extends Object

Evaluates Questionnaire.item.enableWhen against a QuestionnaireResponse. Ignores possible modifierExtensions and extensions.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	EnableWhenEvaluator.EnableWhenResult
static class	EnableWhenEvaluator.QStack
static class	EnableWhenEvaluator.QuestionnaireAnswerPair

Field Summary

Fields

Modifier and Type	Field	Description
static String	ANSWER_ELEMENT
static String	ITEM_ELEMENT
static String	LINKID_ELEMENT

Constructor Summary

Constructors

Constructor	Description
EnableWhenEvaluator()

Method Summary

Modifier and Type	Method	Description
boolean	checkConditionResults(List<EnableWhenEvaluator.EnableWhenResult> evaluationResults, org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent questionnaireItem)
protected boolean	evaluateAnswer(org.hl7.fhir.r5.elementmodel.Element answer, org.hl7.fhir.r5.model.DataType expectedAnswer, org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemOperator questionnaireItemOperator)
protected EnableWhenEvaluator.EnableWhenResult	evaluateCondition(org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemEnableWhenComponent enableCondition, org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent qitem, EnableWhenEvaluator.QStack qstack)
boolean	isQuestionEnabled(ValidatorHostContext hostContext, org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent qitem, EnableWhenEvaluator.QStack qstack, org.hl7.fhir.r5.utils.FHIRPathEngine engine)	the stack contains a set of QR items that represent the tree of the QR being validated, each tagged with the definition of the item from the Q for the QR being validated

Methods inherited from class java.lang.Object

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

Field Detail

LINKID_ELEMENT

public static final String LINKID_ELEMENT

See Also:

Constant Field Values

ITEM_ELEMENT

public static final String ITEM_ELEMENT

See Also:

Constant Field Values

ANSWER_ELEMENT

public static final String ANSWER_ELEMENT

See Also:

Constant Field Values

Constructor Detail

EnableWhenEvaluator

public EnableWhenEvaluator()

Method Detail

isQuestionEnabled

public boolean isQuestionEnabled(ValidatorHostContext hostContext,
                                 org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent qitem,
                                 EnableWhenEvaluator.QStack qstack,
                                 org.hl7.fhir.r5.utils.FHIRPathEngine engine)

the stack contains a set of QR items that represent the tree of the QR being validated, each tagged with the definition of the item from the Q for the QR being validated

the itembeing validated is in the context of the stack. For root items, the stack is empty.

The context Questionnaire and QuestionnaireResponse are always available

checkConditionResults

public boolean checkConditionResults(List<EnableWhenEvaluator.EnableWhenResult> evaluationResults,
                                     org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent questionnaireItem)

evaluateCondition

protected EnableWhenEvaluator.EnableWhenResult evaluateCondition(org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemEnableWhenComponent enableCondition,
                                                                 org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemComponent qitem,
                                                                 EnableWhenEvaluator.QStack qstack)

evaluateAnswer

protected boolean evaluateAnswer(org.hl7.fhir.r5.elementmodel.Element answer,
                                 org.hl7.fhir.r5.model.DataType expectedAnswer,
                                 org.hl7.fhir.r5.model.Questionnaire.QuestionnaireItemOperator questionnaireItemOperator)