graphql.nadel.util.NamespacedUtil.kt Maven / Gradle / Ivy

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Nadel is a Java library that combines multiple GrahpQL services together into one API.

There is a newer version: 2024-11-20T03-31-21-302962b7

package graphql.nadel.util

import graphql.language.ObjectTypeDefinition
import graphql.language.ObjectTypeExtensionDefinition
import graphql.nadel.Service
import graphql.nadel.schema.NadelDirectives.namespacedDirectiveDefinition
import graphql.normalized.ExecutableNormalizedField
import graphql.schema.GraphQLFieldDefinition
import graphql.schema.GraphQLObjectType
import graphql.schema.GraphQLSchema

object NamespacedUtil {
    fun serviceOwnsNamespacedField(namespacedObjectType: GraphQLObjectType, service: Service): Boolean {
        return serviceOwnsNamespacedField(namespacedObjectType.name, service)
    }

    fun serviceOwnsNamespacedField(namespacedObjectTypeName: String, service: Service): Boolean {
        return service
            .definitionRegistry
            .getDefinitionsOfType()
            .stream() // the type can't be an extension in the owning service
            .filter { it !is ObjectTypeExtensionDefinition }
            .anyMatch { it.name == namespacedObjectTypeName }
    }

    fun isNamespacedField(overallField: ExecutableNormalizedField, schema: GraphQLSchema): Boolean {
        return overallField
            .getFieldDefinitions(schema)
            .any {
                isNamespacedField(it)
            }
    }

    fun isNamespacedField(definition: GraphQLFieldDefinition): Boolean {
        return definition.hasAppliedDirective(namespacedDirectiveDefinition.name)
    }
}