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- All Implemented Interfaces:
public final class QueryHandler.Factory extends AugmentationHandler
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Field Summary
Fields Modifier and Type Field Description private final SchemaConfigschemaConfigprivate final TypeDefinitionRegistrytypeDefinitionRegistryprivate final TypeDefinitionRegistryneo4jTypeDefinitionRegistry
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Constructor Summary
Constructors Constructor Description QueryHandler.Factory(SchemaConfig schemaConfig, TypeDefinitionRegistry typeDefinitionRegistry, TypeDefinitionRegistry neo4jTypeDefinitionRegistry)
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Method Summary
Modifier and Type Method Description UnitaugmentType(ImplementingTypeDefinition<?> type)The 1st step in enhancing a schema. DataFetcher<Cypher>createDataFetcher(AugmentationHandler.OperationType operationType, FieldDefinition fieldDefinition)The 2nd step is creating a data fetcher based on a field definition. -
Methods inherited from class org.neo4j.graphql.AugmentationHandler
cypherDirective, dynamicPrefix, getDirectiveArgument, getFieldDefinition, getIdField, getNeo4jTypeDefinitionRegistry, getScalarFields, getSchemaConfig, getTypeDefinitionRegistry, getUnwrappedType, input, isID, isNativeId, isRelationship, isScalar, relationship, resolve -
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Detail
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QueryHandler.Factory
QueryHandler.Factory(SchemaConfig schemaConfig, TypeDefinitionRegistry typeDefinitionRegistry, TypeDefinitionRegistry neo4jTypeDefinitionRegistry)
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Method Detail
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augmentType
Unit augmentType(ImplementingTypeDefinition<?> type)
The 1st step in enhancing a schema. This method creates relevant query / mutation fields and / or adds filtering and sorting to the relation fields of the given type
- Parameters:
type- the type for which the schema should be enhanced / augmented
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createDataFetcher
DataFetcher<Cypher> createDataFetcher(AugmentationHandler.OperationType operationType, FieldDefinition fieldDefinition)
The 2nd step is creating a data fetcher based on a field definition. The field may be an augmented field (from step 1) but can also be a user specified query / mutation field
- Parameters:
operationType- the type of the fieldfieldDefinition- the filed to create the data fetcher for
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