Package graphql.validation.rules

Class SubscriptionUniqueRootField

java.lang.Object

graphql.validation.AbstractRule

graphql.validation.rules.SubscriptionUniqueRootField

public class SubscriptionUniqueRootField
extends AbstractRule

A subscription operation must only have one root field A subscription operation's single root field must not be an introspection field https://spec.graphql.org/draft/#sec-Single-root-field

Constructor Summary

Constructors

Constructor	Description
SubscriptionUniqueRootField(ValidationContext validationContext, ValidationErrorCollector validationErrorCollector)

Method Summary

Modifier and Type	Method	Description
void	checkOperationDefinition(OperationDefinition operationDef)

Methods inherited from class graphql.validation.AbstractRule

addError, addError, addError, checkArgument, checkDirective, checkDocument, checkField, checkFragmentDefinition, checkFragmentSpread, checkInlineFragment, checkObjectValue, checkSelectionSet, checkTypeName, checkVariable, checkVariableDefinition, documentFinished, getErrors, getQueryPath, getValidationContext, getValidationErrorCollector, getValidationUtil, i18n, i18n, isExperimentalApiKeyEnabled, isVisitFragmentSpreads, leaveOperationDefinition, leaveSelectionSet, setVisitFragmentSpreads, toString

Methods inherited from class java.lang.Object

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

Constructor Details

SubscriptionUniqueRootField

public SubscriptionUniqueRootField(ValidationContext validationContext,
 ValidationErrorCollector validationErrorCollector)

Method Details

checkOperationDefinition

public void checkOperationDefinition(OperationDefinition operationDef)

Overrides:

checkOperationDefinition in class AbstractRule