graphglue-core/io.github.graphglue.graphql.schema/DefaultSchemaTransformer

DefaultSchemaTransformer

class DefaultSchemaTransformer(val oldSchema: GraphQLSchema, val mappingContext: Neo4jMappingContext, val nodeDefinitionCollection: NodeDefinitionCollection, val dataFetcherFactoryProvider: KotlinDataFetcherFactoryProvider, val subFilterGenerator: SubFilterGenerator, val includeSkipField: Boolean, val reactiveNeo4jClient: ReactiveNeo4jClient, val renderer: Renderer, val additionalOrderBeans: Map<String, OrderPart<*>>) : SchemaTransformer

Default implementation of SchemaTransformer The transformation result can be found in schema The generated filter collection can be found in filterDefinitionCollection

Parameters

oldSchema

the schema to transform

mappingContext

mapping context used to get type information from Neo4j

nodeDefinitionCollection

collection of all NodeDefinitions

dataFetcherFactoryProvider

provides function and property data fetchers

subFilterGenerator

used to generate the filter entries

includeSkipField

if true, connections provide the non-standard skip field

reactiveNeo4jClient

used to execute Cypher queries

renderer

used to render Cypher queries

additionalOrderBeans

lookup for additional order parts

Constructors

DefaultSchemaTransformer

constructor(oldSchema: GraphQLSchema, mappingContext: Neo4jMappingContext, nodeDefinitionCollection: NodeDefinitionCollection, dataFetcherFactoryProvider: KotlinDataFetcherFactoryProvider, subFilterGenerator: SubFilterGenerator, includeSkipField: Boolean, reactiveNeo4jClient: ReactiveNeo4jClient, renderer: Renderer, additionalOrderBeans: Map<String, OrderPart<*>>)

Properties

additionalOrderBeans

open override val additionalOrderBeans: Map<String, OrderPart<*>>

dataFetcherFactoryProvider

open override val dataFetcherFactoryProvider: KotlinDataFetcherFactoryProvider

filterDefinitionCollection

open override val filterDefinitionCollection: FilterDefinitionCollection

Collection with all filter definitions

includeSkipField

open override val includeSkipField: Boolean

open override val inputTypeCache: CacheMap<String, GraphQLInputType>

Cache for GraphQLInputTypes

open override val mappingContext: Neo4jMappingContext

nodeDefinitionCollection

open override val nodeDefinitionCollection: NodeDefinitionCollection

nodeDefinitionLookup

private val nodeDefinitionLookup: Map<String, NodeDefinition>

Lookup from NodeDefinition graphql name to NodeDefinition

private val oldSchema: GraphQLSchema

outputTypeCache

open override val outputTypeCache: CacheMap<String, GraphQLOutputType>

Cache for GraphQLOutputTypes

reactiveNeo4jClient

private val reactiveNeo4jClient: ReactiveNeo4jClient

private val renderer: Renderer

open override val schema: GraphQLSchema

The new modified schema

schemaTransformationVisitor

private val schemaTransformationVisitor: <anonymous>

Visitor used to transform the GraphQL schema Transforms the query type, and all Node types and interfaces

private val searchQueries: Map<NodeDefinition, String>

Gets all NodeDefinition which define a search query The name of the query is provided as value of the map

subFilterGenerator

open override val subFilterGenerator: SubFilterGenerator

topLevelQueries

private val topLevelQueries: Map<NodeDefinition, String>

Gets all NodeDefinition which define a top level query The name of the query is provided as value of the map

Functions

private fun completeSchema(): GraphQLSchema

Adds the missing connection like queries for Node types declared using the DomainNode annotation

getNodeInterfaces

private fun getNodeInterfaces(nodeDefinition: NodeDefinition): Set<GraphQLTypeReference>

Gets a set of all valid Node supertypes for a NodeDefinition

registerFieldDataFetcher

private fun registerFieldDataFetcher(fieldDefinition: FieldDefinition, context: SchemaTransformationContext, nodeDefinition: NodeDefinition)

Registers a DataFetcher for a FieldDefinition

updateInterfaceNodeType

private fun updateInterfaceNodeType(type: GraphQLInterfaceType, nodeDefinition: NodeDefinition, context: SchemaTransformationContext): GraphQLInterfaceType

Updates an GraphQLInterfaceType, by adding all fields defined by NodeDefinition.relationshipDefinitions

updateObjectNodeType

private fun updateObjectNodeType(type: GraphQLObjectType, nodeDefinition: NodeDefinition, context: SchemaTransformationContext): GraphQLObjectType

Updates an GraphQLObjectType, by adding all fields defined by NodeDefinition.relationshipDefinitions

updateQueryType

private fun updateQueryType(queryType: GraphQLObjectType, context: SchemaTransformationContext): GraphQLObjectType

Adds the missing connection like queries for Node types declared using the DomainNode annotation