/
common.go
55 lines (46 loc) · 1.62 KB
/
common.go
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// Copyright 2014 The Serviced Authors.
// 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 facade
import (
"time"
"github.com/control-center/serviced/datastore"
"github.com/zenoss/glog"
)
const (
userLockTimeout = time.Second
)
type eventContext map[string]interface{}
func newEventCtx() eventContext {
return make(map[string]interface{})
}
func (f *Facade) beforeEvent(event beforeEvent, eventCtx eventContext, entity interface{}) error {
//TODO: register and deal with handlers
return nil
}
func (f *Facade) afterEvent(event afterEvent, eventCtx eventContext, entity interface{}, err error) error {
//TODO: register and deal with handlers
return nil
}
type beforeEvent string
type afterEvent string
// delete common code for removing an entity and publishes events
func (f *Facade) delete(ctx datastore.Context, ds datastore.EntityStore, key datastore.Key, be beforeEvent, ae afterEvent) error {
glog.V(2).Infof("Facade.delete: %s:%s", key.Kind(), key.ID())
ec := newEventCtx()
err := f.beforeEvent(be, ec, key.ID())
if err == nil {
err = ds.Delete(ctx, key)
}
defer f.afterEvent(ae, ec, key.ID(), err)
return err
}