memory

Documentation

Index

• Constants
• type DataReader
  • func NewDataReader(database *db.Memory) *DataReader
  • func (r *DataReader) HeadSnapshot(_ context.Context, _ string) (token.SnapToken, error)
  • func (r *DataReader) QueryAttributes(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string) (iterator *database.AttributeIterator, err error)
  • func (r *DataReader) QueryRelationships(_ context.Context, tenantID string, filter *base.TupleFilter, _ string) (it *database.TupleIterator, err error)
  • func (r *DataReader) QuerySingleAttribute(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string) (attribute *base.Attribute, err error)
  • func (r *DataReader) QueryUniqueEntities(_ context.Context, tenantID, name, _ string, _ database.Pagination) (ids []string, ct database.EncodedContinuousToken, err error)
  • func (r *DataReader) QueryUniqueSubjectReferences(_ context.Context, tenantID string, subjectReference *base.RelationReference, ...) ([]string, database.EncodedContinuousToken, error)
  • func (r *DataReader) ReadAttributes(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string, ...) (collection *database.AttributeCollection, ct database.EncodedContinuousToken, ...)
  • func (r *DataReader) ReadRelationships(_ context.Context, tenantID string, filter *base.TupleFilter, _ string, ...) (collection *database.TupleCollection, ct database.EncodedContinuousToken, ...)
• type DataWriter
  • func NewDataWriter(database *db.Memory) *DataWriter
  • func (r *DataWriter) Delete(_ context.Context, tenantID string, tupleFilter *base.TupleFilter, ...) (token.EncodedSnapToken, error)
  • func (r *DataWriter) Write(_ context.Context, tenantID string, tupleCollection *database.TupleCollection, ...) (token.EncodedSnapToken, error)
• type SchemaReader
  • func NewSchemaReader(database *db.Memory) *SchemaReader
  • func (r *SchemaReader) HeadVersion(_ context.Context, tenantID string) (string, error)
  • func (r *SchemaReader) ReadEntityDefinition(_ context.Context, tenantID, entityName, version string) (definition *base.EntityDefinition, v string, err error)
  • func (r *SchemaReader) ReadRuleDefinition(_ context.Context, tenantID, ruleName, version string) (definition *base.RuleDefinition, v string, err error)
  • func (r *SchemaReader) ReadSchema(_ context.Context, tenantID, version string) (sch *base.SchemaDefinition, err error)
• type SchemaWriter
  • func NewSchemaWriter(database *db.Memory) *SchemaWriter
  • func (w *SchemaWriter) WriteSchema(_ context.Context, definitions []storage.SchemaDefinition) error
• type TenantReader
  • func NewTenantReader(database *db.Memory) *TenantReader
  • func (r *TenantReader) ListTenants(_ context.Context, pagination database.Pagination) (tenants []*base.Tenant, ct database.EncodedContinuousToken, err error)
• type TenantWriter
  • func NewTenantWriter(database *db.Memory) *TenantWriter
  • func (w *TenantWriter) CreateTenant(_ context.Context, id, name string) (result *base.Tenant, err error)
  • func (w *TenantWriter) DeleteTenant(_ context.Context, tenantID string) (result *base.Tenant, err error)
• type Watch
  • func NewWatcher(database *db.Memory) *Watch
  • func (r *Watch) Watch(_ context.Context, _, _ string) (<-chan *base.DataChanges, <-chan error)

Constants

const (
	RelationTuplesTable    = "relation_tuples"
	AttributesTable        = "attributes"
	SchemaDefinitionsTable = "schema_definitions"
	TenantsTable           = "tenants"
)

Types

type DataReader

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

DataReader -

func NewDataReader

func NewDataReader(database *db.Memory) *DataReader

NewDataReader - Creates a new DataReader

func (*DataReader) HeadSnapshot

func (r *DataReader) HeadSnapshot(_ context.Context, _ string) (token.SnapToken, error)

HeadSnapshot - Reads the latest version of the snapshot from the repository.

func (*DataReader) QueryAttributes

func (r *DataReader) QueryAttributes(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string) (iterator *database.AttributeIterator, err error)

QueryAttributes queries the database for attributes based on the provided filter.

func (*DataReader) QueryRelationships

func (r *DataReader) QueryRelationships(_ context.Context, tenantID string, filter *base.TupleFilter, _ string) (it *database.TupleIterator, err error)

QueryRelationships queries the database for relationships based on the provided filter.

func (*DataReader) QuerySingleAttribute

func (r *DataReader) QuerySingleAttribute(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string) (attribute *base.Attribute, err error)

QuerySingleAttribute queries the database for a single attribute based on the provided filter.

func (*DataReader) QueryUniqueEntities

func (r *DataReader) QueryUniqueEntities(_ context.Context, tenantID, name, _ string, _ database.Pagination) (ids []string, ct database.EncodedContinuousToken, err error)

QueryUniqueEntities is a function that searches for unique entities in a given database.

func (*DataReader) QueryUniqueSubjectReferences

func (r *DataReader) QueryUniqueSubjectReferences(_ context.Context, tenantID string, subjectReference *base.RelationReference, _ string, _ database.Pagination) ([]string, database.EncodedContinuousToken, error)

QueryUniqueSubjectReferences is a function that searches for unique subject references in a given database.

func (*DataReader) ReadAttributes

func (r *DataReader) ReadAttributes(_ context.Context, tenantID string, filter *base.AttributeFilter, _ string, pagination database.Pagination) (collection *database.AttributeCollection, ct database.EncodedContinuousToken, err error)

ReadAttributes reads attributes from the database taking into account the pagination.

func (*DataReader) ReadRelationships

func (r *DataReader) ReadRelationships(_ context.Context, tenantID string, filter *base.TupleFilter, _ string, pagination database.Pagination) (collection *database.TupleCollection, ct database.EncodedContinuousToken, err error)

ReadRelationships reads relationships from the database taking into account the pagination.

type DataWriter

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

func NewDataWriter

func NewDataWriter(database *db.Memory) *DataWriter

NewDataWriter - Create a new DataWriter

func (*DataWriter) Delete

func (r *DataWriter) Delete(_ context.Context, tenantID string, tupleFilter *base.TupleFilter, attributeFilter *base.AttributeFilter) (token.EncodedSnapToken, error)

Delete - Delete relationship from repository

func (*DataWriter) Write

func (r *DataWriter) Write(_ context.Context, tenantID string, tupleCollection *database.TupleCollection, attributesCollection *database.AttributeCollection) (token.EncodedSnapToken, error)

WriteRelationships - Write a Relation to repository

type SchemaReader

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

SchemaReader - Structure for Schema Reader

func NewSchemaReader

func NewSchemaReader(database *db.Memory) *SchemaReader

NewSchemaReader - Creates a new SchemaReader

func (*SchemaReader) HeadVersion

func (r *SchemaReader) HeadVersion(_ context.Context, tenantID string) (string, error)

HeadVersion - Reads the latest version from the repository.

func (*SchemaReader) ReadEntityDefinition

func (r *SchemaReader) ReadEntityDefinition(_ context.Context, tenantID, entityName, version string) (definition *base.EntityDefinition, v string, err error)

ReadEntityDefinition - Reads a Entity Definition from repository

func (*SchemaReader) ReadRuleDefinition

func (r *SchemaReader) ReadRuleDefinition(_ context.Context, tenantID, ruleName, version string) (definition *base.RuleDefinition, v string, err error)

ReadRuleDefinition - Reads a Rule Definition from repository

func (*SchemaReader) ReadSchema

func (r *SchemaReader) ReadSchema(_ context.Context, tenantID, version string) (sch *base.SchemaDefinition, err error)

ReadSchema - Reads a new schema from repository

type SchemaWriter

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

SchemaWriter - Structure for Schema Writer

func NewSchemaWriter

func NewSchemaWriter(database *db.Memory) *SchemaWriter

NewSchemaWriter creates a new SchemaWriter

func (*SchemaWriter) WriteSchema

func (w *SchemaWriter) WriteSchema(_ context.Context, definitions []storage.SchemaDefinition) error

WriteSchema - Write Schema to repository

type TenantReader

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

TenantReader - Structure for Tenant Reader

func NewTenantReader

func NewTenantReader(database *db.Memory) *TenantReader

NewTenantReader creates a new TenantReader

func (*TenantReader) ListTenants

func (r *TenantReader) ListTenants(_ context.Context, pagination database.Pagination) (tenants []*base.Tenant, ct database.EncodedContinuousToken, err error)

ListTenants -

type TenantWriter

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

TenantWriter - Structure for Tenant Writer

func NewTenantWriter

func NewTenantWriter(database *db.Memory) *TenantWriter

NewTenantWriter creates a new TenantWriter

func (*TenantWriter) CreateTenant

func (w *TenantWriter) CreateTenant(_ context.Context, id, name string) (result *base.Tenant, err error)

CreateTenant -

func (*TenantWriter) DeleteTenant

func (w *TenantWriter) DeleteTenant(_ context.Context, tenantID string) (result *base.Tenant, err error)

DeleteTenant -

type Watch

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

Watch - Watches for changes in the repository.

func NewWatcher

func NewWatcher(database *db.Memory) *Watch

NewWatcher - Creates a new Watcher

func (*Watch) Watch

func (r *Watch) Watch(_ context.Context, _, _ string) (<-chan *base.DataChanges, <-chan error)

Watch - Watches for changes in the repository.