execution

package
v1.0.4 Latest Latest
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 Go to latest Published: Aug 16, 2022 License: MIT Imports: 25 Imported by: 0

Documentation

Overview

Code generated by graphql-go-tools gen, DO NOT EDIT.

Package execution is a complete GraphQL runtime. It contains a Handler to orchestrate the execution, a Query Planner to generate a Query Plan from an AST as well as the Executor to execute a Query Plan.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ArgsResolver 

type ArgsResolver interface {
	ResolveArgs(args []datasource.Argument, data []byte) ResolvedArgs
}

type BooleanCondition 

type BooleanCondition interface {
	Evaluate(ctx Context, data []byte) bool
}

type Context 

type Context struct {
	context.Context
	Variables      Variables
	ExtraArguments []datasource.Argument
}

type DataResolvingConfig 

type DataResolvingConfig struct {
	PathSelector   datasource.PathSelector
	Transformation Transformation
}

type DataSourceDefinition 

type DataSourceDefinition struct {
	// the type name to which the data source is attached
	TypeName []byte
	// the field on the type to which the data source is attached
	FieldName []byte
	// a factory method to return a new planner
	DataSourcePlannerFactory func() datasource.Planner
}

type DataSourceInvocation 

type DataSourceInvocation struct {
	Args       []datasource.Argument
	DataSource datasource.DataSource
}

type ErrJSONValueTypeValueIncompatible 

type ErrJSONValueTypeValueIncompatible struct {
	// contains filtered or unexported fields
}

func (ErrJSONValueTypeValueIncompatible) Error 

func (e ErrJSONValueTypeValueIncompatible) Error() string

type Executor 

type Executor struct {
	// contains filtered or unexported fields
}

func NewExecutor 

func NewExecutor(templateDirectives []byte_template.DirectiveDefinition) *Executor

func (*Executor) Execute 

func (e *Executor) Execute(ctx Context, node RootNode, w io.Writer) error

func (*Executor) ResolveArgs 

func (e *Executor) ResolveArgs(args []datasource.Argument, data []byte) ResolvedArgs

type Fetch 

type Fetch interface {
	Fetch(ctx Context, data []byte, argsResolver ArgsResolver, suffix string, buffers *LockableBufferMap) (n int, err error)
}

type Field 

type Field struct {
	Name            []byte
	Value           Node
	Skip            BooleanCondition
	HasResolvedData bool
}

func (*Field) HasResolversRecursively 

func (f *Field) HasResolversRecursively() bool

func (*Field) Kind 

func (*Field) Kind() NodeKind

type GraphQLDataSourceConfig 

type GraphQLDataSourceConfig struct {
	Host   string
	Url    string
	Method HTTP_METHOD
	Params *[]*Parameter
}

func (*GraphQLDataSourceConfig) Unmarshal 

func (g *GraphQLDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type GraphqlRequest 

type GraphqlRequest struct {
	OperationName string          `json:"operationName"`
	Variables     json.RawMessage `json:"variables"`
	Query         string          `json:"query"`
}

type HTTP_METHOD 

type HTTP_METHOD int
const (
	UNDEFINED_HTTP_METHOD HTTP_METHOD = iota
	HTTP_METHOD_GET
	HTTP_METHOD_POST
	HTTP_METHOD_UPDATE
	HTTP_METHOD_DELETE
)

func (*HTTP_METHOD) Unmarshal 

func (h *HTTP_METHOD) Unmarshal(doc *ast.Document, ref int)

type Handler 

type Handler struct {
	// contains filtered or unexported fields
}

func NewHandler 

func NewHandler(base *datasource.BasePlanner, templateDirectives []byte_template.DirectiveDefinition) *Handler

func (*Handler) Handle 

func (h *Handler) Handle(requestData, extraVariables []byte) (executor *Executor, node RootNode, ctx Context, err error)
type Header struct {
	Key   string
	Value string
}

func (*Header) Unmarshal 

func (h *Header) Unmarshal(doc *ast.Document, ref int)

type HttpJsonDataSourceConfig 

type HttpJsonDataSourceConfig struct {
	Host                       string
	Url                        string
	Method                     HTTP_METHOD
	Params                     *[]*Parameter
	Body                       *string
	Headers                    *[]*Header
	DefaultTypeName            *string
	StatusCodeTypeNameMappings *[]*StatusCodeTypeNameMapping
}

func (*HttpJsonDataSourceConfig) Unmarshal 

func (h *HttpJsonDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type HttpPollingStreamDataSourceConfig 

type HttpPollingStreamDataSourceConfig struct {
	Host         string
	Url          string
	Method       HTTP_METHOD
	DelaySeconds int64
	Params       *[]*Parameter
}

func (*HttpPollingStreamDataSourceConfig) Unmarshal 

func (h *HttpPollingStreamDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type IfEqual 

type IfEqual struct {
	Left, Right datasource.Argument
}

func (*IfEqual) Evaluate 

func (i *IfEqual) Evaluate(ctx Context, data []byte) bool

type IfNotEqual 

type IfNotEqual struct {
	Left, Right datasource.Argument
}

func (*IfNotEqual) Evaluate 

func (i *IfNotEqual) Evaluate(ctx Context, data []byte) bool

type JSONValueType 

type JSONValueType int
const (
	UnknownValueType JSONValueType = iota
	StringValueType
	IntegerValueType
	FloatValueType
	BooleanValueType
)

func (JSONValueType) String 

func (i JSONValueType) String() string

type List 

type List struct {
	DataResolvingConfig DataResolvingConfig
	Value               Node
	Filter              ListFilter
}

func (*List) HasResolversRecursively 

func (l *List) HasResolversRecursively() bool

func (*List) Kind 

func (*List) Kind() NodeKind

type ListFilter 

type ListFilter interface {
	Kind() ListFilterKind
}

type ListFilterFirstN 

type ListFilterFirstN struct {
	FirstN int
}

func (ListFilterFirstN) Kind 

func (_ ListFilterFirstN) Kind() ListFilterKind

type ListFilterKind 

type ListFilterKind int
const (
	ListFilterKindFirstN ListFilterKind = iota + 1
)

type LockableBufferMap 

type LockableBufferMap struct {
	sync.Mutex
	Buffers map[uint64]*bytes.Buffer
}

type MAPPING_MODE 

type MAPPING_MODE int
const (
	UNDEFINED_MAPPING_MODE MAPPING_MODE = iota
	MAPPING_MODE_NONE
	MAPPING_MODE_PATH_SELECTOR
)

func (*MAPPING_MODE) Unmarshal 

func (m *MAPPING_MODE) Unmarshal(doc *ast.Document, ref int)

type MQTTDataSourceConfig 

type MQTTDataSourceConfig struct {
	BrokerAddr string
	ClientID   string
	Topic      string
}

func (*MQTTDataSourceConfig) Unmarshal 

func (m *MQTTDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type MappingConfig 

type MappingConfig struct {
	Mode         MAPPING_MODE
	PathSelector *string
}

func (*MappingConfig) Unmarshal 

func (m *MappingConfig) Unmarshal(doc *ast.Document, ref int)

type NatsDataSourceConfig 

type NatsDataSourceConfig struct {
	Addr  string
	Topic string
}

func (*NatsDataSourceConfig) Unmarshal 

func (n *NatsDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type Node 

type Node interface {
	// Kind returns the NodeKind of each Node
	Kind() NodeKind
	// HasResolversRecursively returns true if this Node or any child Node has a resolver
	HasResolversRecursively() bool
}

type NodeKind 

type NodeKind int
const (
	ObjectKind NodeKind = iota + 1
	FieldKind
	ListKind
	ValueKind
)

type Object 

type Object struct {
	DataResolvingConfig DataResolvingConfig
	Fields              []Field
	Fetch               Fetch
	// contains filtered or unexported fields
}

func (*Object) HasResolversRecursively 

func (o *Object) HasResolversRecursively() bool

func (*Object) Kind 

func (*Object) Kind() NodeKind

func (*Object) OperationType 

func (o *Object) OperationType() ast.OperationType

type PARAMETER_SOURCE 

type PARAMETER_SOURCE int
const (
	UNDEFINED_PARAMETER_SOURCE PARAMETER_SOURCE = iota
	PARAMETER_SOURCE_CONTEXT_VARIABLE
	PARAMETER_SOURCE_OBJECT_VARIABLE_ARGUMENT
	PARAMETER_SOURCE_FIELD_ARGUMENTS
)

func (*PARAMETER_SOURCE) Unmarshal 

func (p *PARAMETER_SOURCE) Unmarshal(doc *ast.Document, ref int)

type ParallelFetch 

type ParallelFetch struct {
	Fetches []Fetch
	// contains filtered or unexported fields
}

func (*ParallelFetch) Fetch 

func (p *ParallelFetch) Fetch(ctx Context, data []byte, argsResolver ArgsResolver, suffix string, buffers *LockableBufferMap) (n int, err error)

type Parameter 

type Parameter struct {
	Name         string
	SourceKind   PARAMETER_SOURCE
	SourceName   string
	VariableType string
}

func (*Parameter) Unmarshal 

func (p *Parameter) Unmarshal(doc *ast.Document, ref int)

type PipelineDataSourceConfig 

type PipelineDataSourceConfig struct {
	ConfigFilePath *string
	ConfigString   *string
	InputJSON      string
}

func (*PipelineDataSourceConfig) Unmarshal 

func (p *PipelineDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type PipelineTransformation 

type PipelineTransformation struct {
	// contains filtered or unexported fields
}

func (*PipelineTransformation) Transform 

func (p *PipelineTransformation) Transform(input []byte) ([]byte, error)

type Planner 

type Planner struct {
	// contains filtered or unexported fields
}

func NewPlanner 

func NewPlanner(base *datasource.BasePlanner) *Planner

func (*Planner) Plan 

func (p *Planner) Plan(operation, definition *ast.Document, operationName string, report *operationreport.Report) RootNode

type ResolvedArgs 

type ResolvedArgs []ResolvedArgument

func (ResolvedArgs) ByKey 

func (r ResolvedArgs) ByKey(key []byte) []byte

func (ResolvedArgs) Dump 

func (r ResolvedArgs) Dump() []string

func (*ResolvedArgs) Filter 

func (r *ResolvedArgs) Filter(condition func(i int) (keep bool))

func (ResolvedArgs) Keys 

func (r ResolvedArgs) Keys() [][]byte

type ResolvedArgument 

type ResolvedArgument struct {
	Key   []byte
	Value []byte
}

type RootNode 

type RootNode interface {
	Node
	OperationType() ast.OperationType
}

type SerialFetch 

type SerialFetch struct {
	Fetches []Fetch
}

func (*SerialFetch) Fetch 

func (s *SerialFetch) Fetch(ctx Context, data []byte, argsResolver ArgsResolver, suffix string, buffers *LockableBufferMap) (n int, err error)

type SingleFetch 

type SingleFetch struct {
	Source     *DataSourceInvocation
	BufferName string
}

func (*SingleFetch) Fetch 

func (s *SingleFetch) Fetch(ctx Context, data []byte, argsResolver ArgsResolver, path string, buffers *LockableBufferMap) (int, error)

type StaticDataSourceConfig 

type StaticDataSourceConfig struct {
	Data *string
}

func (*StaticDataSourceConfig) Unmarshal 

func (s *StaticDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

type StatusCodeTypeNameMapping 

type StatusCodeTypeNameMapping struct {
	StatusCode int64
	TypeName   string
}

func (*StatusCodeTypeNameMapping) Unmarshal 

func (s *StatusCodeTypeNameMapping) Unmarshal(doc *ast.Document, ref int)

type TRANSFORMATION_MODE 

type TRANSFORMATION_MODE int
const (
	UNDEFINED_TRANSFORMATION_MODE TRANSFORMATION_MODE = iota
	TRANSFORMATION_MODE_PIPELINE
)

func (*TRANSFORMATION_MODE) Unmarshal 

func (t *TRANSFORMATION_MODE) Unmarshal(doc *ast.Document, ref int)

type Transformation 

type Transformation interface {
	Transform(input []byte) ([]byte, error)
}

type TransformationConfig 

type TransformationConfig struct {
	Mode                 TRANSFORMATION_MODE
	PipelineConfigFile   *string
	PipelineConfigString *string
}

func (*TransformationConfig) Unmarshal 

func (t *TransformationConfig) Unmarshal(doc *ast.Document, ref int)

type Value 

type Value struct {
	DataResolvingConfig DataResolvingConfig
	ValueType           JSONValueType
}

func (*Value) HasResolversRecursively 

func (value *Value) HasResolversRecursively() bool

func (*Value) Kind 

func (*Value) Kind() NodeKind

type Variables 

type Variables map[uint64][]byte

func VariablesFromJson 

func VariablesFromJson(requestVariables, extraVariables []byte) (variables Variables, extraArguments []datasource.Argument)

type WasmDataSourceConfig 

type WasmDataSourceConfig struct {
	Input    string
	WasmFile string
}

func (*WasmDataSourceConfig) Unmarshal 

func (w *WasmDataSourceConfig) Unmarshal(doc *ast.Document, ref int)

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