class NodeQueryParser(val nodeDefinitionCollection: NodeDefinitionCollection, val filterDefinitionCollection: FilterDefinitionCollection?, val objectMapper: ObjectMapper)

Parser to get NodeQuerys Can be used to create queries which load a subtree of nodes in one query

Parameters

nodeDefinitionCollection

used to get the NodeDefinition for a specific Node

filterDefinitionCollection

used to get the FilterDefinition for a specific Node, if existing

objectMapper

used to parse cursors

Constructors

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constructor(nodeDefinitionCollection: NodeDefinitionCollection, filterDefinitionCollection: FilterDefinitionCollection?, objectMapper: ObjectMapper)

Types

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internal inner class NodeQueryParserInstance(val dataFetchingEnvironment: DataFetchingEnvironment)

Helper class providing the DataFetchingEnvironment

Properties

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val objectMapper: ObjectMapper

Functions

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fun generateManyNodeQuery(definition: NodeDefinition, dataFetchingEnvironment: DataFetchingEnvironment, additionalConditions: List<CypherConditionGenerator>, requiredPermission: Permission?): NodeQuery

Generates a NodeQuery which loads multiple Nodes Can use the dataFetchingEnvironment to fetch a subtree of node

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fun generateOneNodeQuery(definition: NodeDefinition, dataFetchingEnvironment: DataFetchingEnvironment, additionalConditions: List<CypherConditionGenerator>, requiredPermission: Permission?): NodeQuery

Generates a NodeQuery which loads a single Node Can use the dataFetchingEnvironment to fetch a subtree of node

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fun generateSearchQuery(definition: NodeDefinition, dataFetchingEnvironment: DataFetchingEnvironment, requiredPermission: Permission?): SearchQuery

Generates a SearchQuery which loads multiple Nodes Can use the dataFetchingEnvironment to fetch a subtree of node

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fun generateSubQuery(fieldDefinition: FieldDefinition, relationshipDefinitions: List<RelationshipDefinition>, context: FieldFetchingContext, dataFetchingEnvironment: DataFetchingEnvironment, onlyOnTypes: List<NodeDefinition>?): NodeSubQuery

Generates a NodeSubQuery for the provided fieldDefinition

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private fun getAuthorizationCondition(requiredPermission: Permission?, nodeDefinition: NodeDefinition): CypherConditionGenerator?

Gets the authorization condition for a NodeDefinition and an Permission

private fun getAuthorizationConditionWithRelationshipDefinition(requiredPermission: Permission?, relationshipDefinition: RelationshipDefinition): CypherConditionGenerator?

Gets the authorization condition for the related nodes of a RelationshipDefinition

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