loader

package
v1.1.8 Latest Latest
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Published: Oct 19, 2021 License: JSON Imports: 9 Imported by: 6

Documentation

Overview

It has the responsibility to find the *CloudEnv* where your program run, store *Connector*s and retrieve services from *CloudEnv* which corresponds to one or many *Connector* and finally it will pass to *Connector* the service and store the result from connector.

Index

Constants

View Source
const (
	LOG_MESSAGE_PREFIX = "gautocloud"
	DEBUG_MODE_ENV_VAR = "GAUTOCLOUD_DEBUG"
)

Variables

This section is empty.

Functions

func NewErrGiveService

func NewErrGiveService(content string) error

func NewErrNoConnectorFound

func NewErrNoConnectorFound(id string) error

func NewErrNotInCloud

func NewErrNotInCloud(cloudEnvs []string) error

func NewErrPtrNotGiven

func NewErrPtrNotGiven() error

Types

type ErrGiveService

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

func (ErrGiveService) Error

func (e ErrGiveService) Error() string

type ErrNoConnectorFound

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

func (ErrNoConnectorFound) Error

func (e ErrNoConnectorFound) Error() string

type ErrNotInCloud

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

func (ErrNotInCloud) Error

func (e ErrNotInCloud) Error() string

type ErrPtrNotGiven

type ErrPtrNotGiven struct {
}

func (ErrPtrNotGiven) Error

func (e ErrPtrNotGiven) Error() string

type GautocloudLoader

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

func (*GautocloudLoader) CleanConnectors

func (l *GautocloudLoader) CleanConnectors()

Remove all registered connectors

func (GautocloudLoader) CloudEnvs

func (l GautocloudLoader) CloudEnvs() []cloudenv.CloudEnv

Return all cloud environments loaded

func (GautocloudLoader) Connectors

func (l GautocloudLoader) Connectors() map[string]connectors.Connector

Return all registered connectors

func (GautocloudLoader) CurrentCloudEnv

func (l GautocloudLoader) CurrentCloudEnv() cloudenv.CloudEnv

Return the current cloud env detected

func (GautocloudLoader) GetAll

func (l GautocloudLoader) GetAll(id string) ([]interface{}, error)

Return all services found by a connector id is the id of a connector Example:

var svc []interface{}
data, err = gautocloud.GetAll("mysql")
svc = data[0].(*dbtype.MysqlDB)

warning: a connector may give you different types that's why GetAll return a slice of interface{} It returns the first service found or an error if no service can be found or if the connector doesn't exists

func (GautocloudLoader) GetAppInfo

func (l GautocloudLoader) GetAppInfo() cloudenv.AppInfo

Return informations about instance of the running application

func (GautocloudLoader) GetFirst

func (l GautocloudLoader) GetFirst(id string) (interface{}, error)

Return the first service found by a connector id is the id of a connector Example:

var svc *dbtype.MysqlDB
data, err = gautocloud.GetFirst("mysql")
svc = data.(*dbtype.MysqlDB)

It returns the first service found or an error if no service can be found or if the connector doesn't exists

func (GautocloudLoader) Inject

func (l GautocloudLoader) Inject(service interface{}) error

Inject service(s) found by connectors with given type Example:

var svc *dbtype.MysqlDB
err = loader.Inject(&svc)
// svc will have the value of the first service found with type *dbtype.MysqlDB

If service parameter is not a slice it will give the first service found If you pass a slice of a type in service parameter, it will inject in the slice all services found with this type It returns an error if parameter is not a pointer or if no service(s) can be found

func (GautocloudLoader) InjectFromId

func (l GautocloudLoader) InjectFromId(id string, service interface{}) error

Inject service(s) found by a connector with given type id is the id of a connector Example:

var svc *dbtype.MysqlDB
err = gautocloud.InjectFromId("mysql", &svc)
// svc will have the value of the first service found with type *dbtype.MysqlDB in this case

If service parameter is not a slice it will give the first service found If you pass a slice of a type in service parameter, it will inject in the slice all services found with this type It returns an error if service parameter is not a pointer, if no service(s) can be found and if connector with given id doesn't exist

func (GautocloudLoader) IsInACloudEnv

func (l GautocloudLoader) IsInACloudEnv() bool

Return true if you are in a cloud environment

func (GautocloudLoader) LoadCloudEnvs

func (l GautocloudLoader) LoadCloudEnvs()

func (*GautocloudLoader) RegisterConnector

func (l *GautocloudLoader) RegisterConnector(connector connectors.Connector)

Register a connector in the loader This is mainly use for connectors creators

func (GautocloudLoader) Reload

func (l GautocloudLoader) Reload()

Reload environment and connectors

func (*GautocloudLoader) ReloadConnectors

func (l *GautocloudLoader) ReloadConnectors()

Reload connectors to find services

func (*GautocloudLoader) Store

func (l *GautocloudLoader) Store() map[string][]StoredService

Return all services loaded

type Loader

type Loader interface {
	Reload()
	ReloadConnectors()
	RegisterConnector(connector connectors.Connector)
	Inject(service interface{}) error
	InjectFromId(id string, service interface{}) error
	GetFirst(id string) (interface{}, error)
	GetAll(id string) ([]interface{}, error)
	CloudEnvs() []cloudenv.CloudEnv
	Connectors() map[string]connectors.Connector
	Store() map[string][]StoredService
	CleanConnectors()
	CurrentCloudEnv() cloudenv.CloudEnv
	GetAppInfo() cloudenv.AppInfo
	IsInACloudEnv() bool
}

func NewLoader

func NewLoader(cloudEnvs []cloudenv.CloudEnv) Loader

Create a new loader with cloud environment given

type StoredService

type StoredService struct {
	Data        interface{}
	ConnectorId string
	ReflectType reflect.Type
	Interceptor interceptor.Intercepter
}

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