pkg/chain/handler.go

//Copyright 2017 Huawei Technologies Co., Ltd
//
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
package chain

var handlersMap map[string][]Handler = make(map[string][]Handler, CAP_SIZE)

type Handler interface {
	Handle(i *Invocation)
}

func RegisterHandler(catalog string, h Handler) {
	handlers, ok := handlersMap[catalog]
	if !ok {
		handlers = make([]Handler, 0, CAP_SIZE)
	}
	handlers = append(handlers, h)
	handlersMap[catalog] = handlers
}

func Handlers(catalog string) []Handler {
	return handlersMap[catalog]
}