metadata

package

v0.5.0 Latest Latest Go to latest Published: Oct 17, 2023 License: Apache-2.0 Imports: 13 Imported by: 0

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Repository

github.com/apache/skywalking-banyandb

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Documentation ¶

Overview ¶

Package metadata implements a Raft-based distributed metadata storage system. Powered by etcd.

Index ¶

Constants
type IndexFilter
type Repo
type Service
- func NewClient(forceRegisterNode bool) (Service, error)
- func NewService(_ context.Context) (Service, error)

Constants ¶

View Source

const (
	// DefaultNamespace is the default namespace of the metadata stored in etcd.
	DefaultNamespace = "banyandb"
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type IndexFilter ¶

type IndexFilter interface {
	// IndexRules fetches v1.IndexRule by subject defined in IndexRuleBinding
	IndexRules(ctx context.Context, subject *commonv1.Metadata) ([]*databasev1.IndexRule, error)
	// Subjects fetches Subject(s) by index rule
	Subjects(ctx context.Context, indexRule *databasev1.IndexRule, catalog commonv1.Catalog) ([]schema.Spec, error)
}

IndexFilter provides methods to find a specific index related objects and vice versa.

type Repo ¶

type Repo interface {
	IndexFilter
	StreamRegistry() schema.Stream
	IndexRuleRegistry() schema.IndexRule
	IndexRuleBindingRegistry() schema.IndexRuleBinding
	MeasureRegistry() schema.Measure
	GroupRegistry() schema.Group
	TopNAggregationRegistry() schema.TopNAggregation
	PropertyRegistry() schema.Property
	RegisterHandler(string, schema.Kind, schema.EventHandler)
}

Repo is the facade to interact with the metadata repository.

type Service ¶

type Service interface {
	Repo
	run.PreRunner
	run.Service
	run.Config
	SchemaRegistry() schema.Registry
}

Service is the metadata repository.

func NewClient ¶ added in v0.5.0

func NewClient(forceRegisterNode bool) (Service, error)

NewClient returns a new metadata client.

func NewService ¶

func NewService(_ context.Context) (Service, error)

NewService returns a new metadata repository Service.

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
embeddedetcd Package embeddedetcd implements an embedded etcd server.	Package embeddedetcd implements an embedded etcd server.
schema Package schema implements CRUD schema.	Package schema implements CRUD schema.

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