engine

Documentation

Index

• Constants
• func ConfigViaEnv(e *engineImpl)
• func DirectRunner(e *engineImpl)
• func EnvPropertyProcessor(properties map[string]interface{}) error
• func GetAppName() string
• func GetAppPropertyValueResolvers(logger log.Logger) string
• func GetAppVersion() string
• func GetFlogoConfigPath() string
• func GetRunnerQueueSize() int
• func GetRunnerType() string
• func GetRunnerWorkers() int
• func IsSchemaSupportEnabled() bool
• func IsSchemaValidationEnabled() bool
• func LifeCycle(managedEntity managed.Managed)
• func LoadAppConfig(flogoJson string, compressed bool) (*app.Config, error)
• func NewPooledRunnerConfig() *runner.PooledConfig
• func RunEngine(e Engine) int
• func StopEngineOnError() bool
• type Config
• type Engine
  • func New(appConfig *app.Config, options ...Option) (Engine, error)
• type Option

Constants

const (
	EnvKeyAppConfigLocation  = "FLOGO_CONFIG_PATH"
	DefaultAppConfigLocation = "flogo.json"
	EnvKeyStopEngineOnError  = "FLOGO_ENGINE_STOP_ON_ERROR"
	DefaultStopEngineOnError = true
	EnvKeyRunnerType         = "FLOGO_RUNNER_TYPE"
	DefaultRunnerType        = ValueRunnerTypePooled
	EnvKeyRunnerWorkers      = "FLOGO_RUNNER_WORKERS"
	DefaultRunnerWorkers     = 5
	EnvKeyRunnerQueueSize    = "FLOGO_RUNNER_QUEUE"
	DefaultRunnerQueueSize   = 50

	EnvAppPropertyResolvers   = "FLOGO_APP_PROP_RESOLVERS"
	EnvEnableSchemaSupport    = "FLOGO_SCHEMA_SUPPORT"
	EnvEnableSchemaValidation = "FLOGO_SCHEMA_VALIDATION"

	ValueRunnerTypePooled = "POOLED"
	ValueRunnerTypeDirect = "DIRECT"

	PropertyResolverEnv  = "env"
	PropertyResolverJson = "json"
)

Functions

func ConfigViaEnv

func ConfigViaEnv(e *engineImpl)

func DirectRunner

func DirectRunner(e *engineImpl)

func EnvPropertyProcessor

func EnvPropertyProcessor(properties map[string]interface{}) error

func GetAppName

func GetAppName() string

Returns name of the application

func GetAppPropertyValueResolvers

func GetAppPropertyValueResolvers(logger log.Logger) string

func GetAppVersion

func GetAppVersion() string

Returns version of the application

func GetFlogoConfigPath

func GetFlogoConfigPath() string

GetFlogoConfigPath returns the flogo config path

func GetRunnerQueueSize

func GetRunnerQueueSize() int

GetRunnerQueueSize returns the runner queue size

func GetRunnerType

func GetRunnerType() string

GetRunnerType returns the runner type

func GetRunnerWorkers

func GetRunnerWorkers() int

GetRunnerWorkers returns the number of workers to use

func IsSchemaSupportEnabled

func IsSchemaSupportEnabled() bool

func IsSchemaValidationEnabled

func IsSchemaValidationEnabled() bool

func LifeCycle

func LifeCycle(managedEntity managed.Managed)

func LoadAppConfig

func LoadAppConfig(flogoJson string, compressed bool) (*app.Config, error)

func NewPooledRunnerConfig

func NewPooledRunnerConfig() *runner.PooledConfig

NewPooledRunnerConfig creates a new Pooled config, looks for environment variables to override default values

func RunEngine

func RunEngine(e Engine) int

func StopEngineOnError

func StopEngineOnError() bool

Types

type Config

type Config struct {
	//LogLevel          string
	StopEngineOnError bool
	RunnerType        string
}

type Engine

type Engine interface {
	//App get the application associated with this engine
	App() *app.App

	// Start starts the engine
	Start() error

	// Stop stop the engine
	Stop() error
}

Interface for the engine behaviour

func New

func New(appConfig *app.Config, options ...Option) (Engine, error)

New creates a new Engine

type Option

type Option func(*engineImpl)