CoreInterface remodel, PluginRegistry added

interfaces.go

@@ -1,45 +1,67 @@
 package main
 
+import (
+	"github.com/globalsign/mgo"
+	"github.com/jinzhu/gorm"
+)
+
 type CoreInterface interface {
-	BeforeLoadPlugins()
-	LoadPlugins()
-	AfterLoadPlugins()
+	Register() (string, error)
+	UnRegister() error
 
-	BeforeLoadConfiguration()
-	LoadConfiguration()
-	AfterLoadConfiguration()
+	BeforeLoadPlugins() error
+	LoadPlugins() error
+	AfterLoadPlugins() error
 
-	BeforeConnectToDatabases()
-	ConnectToDatabases()
-	AfterConnectToDatabases()
+	BeforeLoadConfiguration() error
+	LoadConfiguration() error
+	AfterLoadConfiguration() error
 
-	BeforeSetupLogger()
-	SetupLogger()
-	AfterSetupLogger()
+	// connection string parameter e.g. "localhost"
+	ConnectMongoDB(string) (*mgo.Session, error)
 
-	BeforeSetupRoutes()
-	SetupRoutes()
-	AfterSetupRoutes()
+	// connection string parameter
+	ConnectGORM(string) (*gorm.DB, error)
 
-	BeforeRun()
-	Run()
-	AfterRun()
+	// ConnectNeo4j
+	// ConnectArangoDB
+	// ConnectCassandra
+	// ConnectDGraph
+
+	BeforeConnectToDatabases() error
+	ConnectToDatabases() error
+	AfterConnectToDatabases() error
+
+	BeforeSetupLogger() error
+	SetupLogger() error
+	AfterSetupLogger() error
+
+	BeforeSetupRoutes() error
+	SetupRoutes() error
+	AfterSetupRoutes() error
+
+	BeforeRun() error
+	Run() error
+	AfterRun() error
 }
 
 type HandlerInterface interface {
-	BeforeProcessRequest()
-	ProcessRequest()
-	AfterProcessRequest()
+	Register() (string, error)
+	UnRegister() error
 
-	BeforeLoadDataFromDatabase()
-	LoadDataFromDatabase()
-	AfterLoadDataFromDatabase()
+	BeforeProcessRequest() error
+	ProcessRequest() error
+	AfterProcessRequest() error
 
-	BeforeSaveDataToDatabase()
-	SaveDataToDatabase()
-	AfterSaveDataToDatabase()
+	BeforeLoadDataFromDatabase() error
+	LoadDataFromDatabase() error
+	AfterLoadDataFromDatabase() error
 
-	BeforeRenderOutput()
-	RenderOutput()
-	AfterRenderOutput()
+	BeforeSaveDataToDatabase() error
+	SaveDataToDatabase() error
+	AfterSaveDataToDatabase() error
+
+	BeforeRenderOutput() error
+	RenderOutput() error
+	AfterRenderOutput() error
 }