n3gql

package module

v0.1.1 Latest Latest Go to latest Published: Jul 13, 2020 License: Apache-2.0 Imports: 15 Imported by: 1

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Repository

github.com/nsip/n3-gql

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README ¶

n3-gql

graphql sub-system for data querying

Documentation ¶

Index ¶

func MergeErrors(cs ...<-chan error) <-chan error
func WaitForPipeline(errs ...<-chan error) error
type GQLManager
- func NewGQLManager(userid, contextName string, db *deep6.Deep6DB) *GQLManager
type SchemaData

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func MergeErrors ¶

func MergeErrors(cs ...<-chan error) <-chan error

MergeErrors merges multiple channels of errors. Based on https://blog.golang.org/pipelines.

func WaitForPipeline ¶

func WaitForPipeline(errs ...<-chan error) error

WaitForPipeline waits for results from all error channels. It returns early on the first error.

Types ¶

type GQLManager ¶

type GQLManager struct {
	sync.Mutex
	Schema      SchemaData
	UserId      string
	ContextName string
	// contains filtered or unexported fields
}

func NewGQLManager ¶

func NewGQLManager(userid, contextName string, db *deep6.Deep6DB) *GQLManager

func (*GQLManager) BuildSchemaFromJSONChannel ¶

func (gqm *GQLManager) BuildSchemaFromJSONChannel(iterator <-chan []byte) error

connects the schema builder to a channel providing json objects (typically the feed from the crdt manager) received objects will then be translated into gqphql-schema and fed to executor that will handle queries.

func (*GQLManager) Close ¶

func (gqm *GQLManager) Close() error

shut the schema-builder down gracefully, save schema for next restart of service.

func (*GQLManager) Query ¶

func (gqm *GQLManager) Query(query string, variables map[string]interface{}) (map[string]interface{}, error)

handler for gql requests

type SchemaData ¶

type SchemaData struct {
	RawData      []byte
	ClassifiedAs string
	DataModel    string
	Types        map[string]map[string]string
	Queries      map[string]string
}

data package passed between stages of the schema-builder pipeline

Source Files ¶

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Directories ¶

Path	Synopsis
example
n3gql

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