fact

package
v4.2.1 Latest Latest
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Published: Aug 3, 2022 License: MIT Imports: 21 Imported by: 0

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Constants

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Variables

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Functions

func BuildFactsFromFile

func BuildFactsFromFile(path string, file string) (map[string]*engine.Fact, []error)

BuildFactsFromFile This functions creates the facts from the provided file

func Execute

func Execute(esSearch *builder.EsSearch) (*reader.WidgetData, error)

Execute calculate a fact a specific time and returns the result in a standard format

func FindIndicesWithDynamicDepth

func FindIndicesWithDynamicDepth(dbClient *sqlx.DB, instance string, model string, t time.Time, factCalculationDepthDays int64) ([]string, error)

FindIndicesWithDynamicDepth search in indices referential every indices between two dates (calculated using current time and depth)

func GetFactRangeFromHistory

func GetFactRangeFromHistory(factID int64, situationID int64, templateInstanceID int64, tsFrom time.Time, tsTo time.Time) (map[time.Time]reader.Item, error)

GetFactRangeFromHistory get the facts history within a date range

func GetFactResultFromHistory

func GetFactResultFromHistory(factID int64, t time.Time, situationID int64, templateInstanceID int64, closest bool, notOlderThan time.Duration) (*reader.Item, time.Time, error)

GetFactResultFromHistory returns the fact result matching the input timestamp. It can be based on an exact timestamp or approximated to the closest calculated result

func ParseFact

func ParseFact(factName string, factData map[string]interface{}) (*engine.Fact, error)

ParseFact parse a fact configuration map and return a new instance of fact

func PersistFactResult

func PersistFactResult(factID int64, t time.Time, situationID int64, templateInstanceID int64, item *reader.Item, success bool) error

PersistFactResult persists a fact result (related to a specific time) in postgresql

func Prepare

func Prepare(f *engine.Fact, nhit int, offset int, t time.Time, placeholders map[string]string, update bool) (*builder.EsSearch, error)

Prepare enrich a fact by specifying the offset and the number of hits returned It also specify the target index based on the fact model The

func ReplaceGlobals

func ReplaceGlobals(repository Repository) func()

ReplaceGlobals affect a new repository to the global repository singleton

func UpdateFactResult

func UpdateFactResult(factID int64, t time.Time, situationID int64, templateInstanceID int64, item *reader.Item) error

UpdateFactResult updates a fact result (related to a specific time) in postgresql

Types

type HistoryRecord

type HistoryRecord struct {
	Fact               engine.Fact
	ID                 int64
	TS                 time.Time
	SituationID        int64
	TemplateInstanceID int64
	SituationInstances []SituationHistoryRecord
}

HistoryRecord fact history record

func GetFactSituationInstances

func GetFactSituationInstances(factIDs []int64, from time.Time, to time.Time, lastDailyValue bool) ([]HistoryRecord, error)

GetFactSituationInstances get the situation instances for fact instances between to and from

type NativeMapRepository

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

NativeMapRepository is an implementation of entity.Repository, supported by standard native in-memory map

func (*NativeMapRepository) Create

func (r *NativeMapRepository) Create(fact engine.Fact) (int64, error)

Create stores the given new fact in the database as a json.

func (*NativeMapRepository) Delete

func (r *NativeMapRepository) Delete(id int64) error

Delete deletes an entity from the repository by its name

func (*NativeMapRepository) Get

func (r *NativeMapRepository) Get(id int64) (engine.Fact, bool, error)

Get search and returns an entity from the repository by its id

func (*NativeMapRepository) GetAll

func (r *NativeMapRepository) GetAll() (map[int64]engine.Fact, error)

GetAll returns all entities in the repository

func (*NativeMapRepository) GetAllByIDs added in v4.2.0

func (r *NativeMapRepository) GetAllByIDs(ids []int64) (map[int64]engine.Fact, error)

GetAllByIDs returns all entities in the repository

func (*NativeMapRepository) GetByName

func (r *NativeMapRepository) GetByName(name string) (engine.Fact, bool, error)

GetByName search and returns an entity from the repository by its name

func (*NativeMapRepository) Update

func (r *NativeMapRepository) Update(id int64, fact engine.Fact) error

Update updates an entity in the repository by its name

type PostgresRepository

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

PostgresRepository is a repository containing the Fact definition based on a PSQL database and implementing the repository interface

func (*PostgresRepository) Create

func (r *PostgresRepository) Create(fact engine.Fact) (int64, error)

Create creates a new Fact definition in the repository

func (*PostgresRepository) Delete

func (r *PostgresRepository) Delete(id int64) error

Delete deletes an entity from the repository by its name

func (*PostgresRepository) Get

func (r *PostgresRepository) Get(id int64) (engine.Fact, bool, error)

Get search and returns an entity from the repository by its id

func (*PostgresRepository) GetAll

func (r *PostgresRepository) GetAll() (map[int64]engine.Fact, error)

GetAll returns all entities in the repository

func (*PostgresRepository) GetAllByIDs added in v4.2.0

func (r *PostgresRepository) GetAllByIDs(ids []int64) (map[int64]engine.Fact, error)

GetAllByIDs returns all entities filtered by IDs in the repository

func (*PostgresRepository) GetByName

func (r *PostgresRepository) GetByName(name string) (engine.Fact, bool, error)

GetByName search and returns an entity from the repository by its name

func (*PostgresRepository) Update

func (r *PostgresRepository) Update(id int64, fact engine.Fact) error

Update updates an entity in the repository by its name

type Repository

type Repository interface {
	Get(id int64) (engine.Fact, bool, error)
	GetByName(name string) (engine.Fact, bool, error)
	Create(fact engine.Fact) (int64, error)
	Update(id int64, fact engine.Fact) error
	Delete(id int64) error
	GetAll() (map[int64]engine.Fact, error)
	GetAllByIDs(ids []int64) (map[int64]engine.Fact, error)
}

Repository is a storage interface which can be implemented by multiple backend (in-memory map, sql database, in-memory cache, file system, ...) It allows standard CRUD operation on facts

func NewNativeMapRepository

func NewNativeMapRepository() Repository

NewNativeMapRepository returns a new instance of NativeMapRepository

func NewPostgresRepository

func NewPostgresRepository(dbClient *sqlx.DB) Repository

NewPostgresRepository returns a new instance of PostgresRepository

func R

func R() Repository

R is used to access the global repository singleton

type SituationHistoryRecord

type SituationHistoryRecord struct {
	ID                 int64
	TS                 time.Time
	TemplateInstanceID int64
	Parameters         map[string]string
}

SituationHistoryRecord represents a single and unique situation history entry

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