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worker_manager.go
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/
worker_manager.go
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// Copyright (c) 2021 Terminus, Inc.
//
// 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 task
import (
"io"
"github.com/erda-project/erda-infra/base/logs"
)
// WorkerManager .
type WorkerManager interface {
Put(key int64, w Worker)
Remove(key int64)
}
type simpleWorkerManager struct {
worker map[int64]Worker
log logs.Logger
}
func newSimpleWorkerManager(log logs.Logger) WorkerManager {
return &simpleWorkerManager{
worker: make(map[int64]Worker),
log: log,
}
}
func (p *simpleWorkerManager) Put(key int64, w Worker) {
// remove worker if already exists
p.Remove(key)
p.worker[key] = w
}
func (p *simpleWorkerManager) Remove(key int64) {
if w, ok := p.worker[key]; ok {
if c, ok := w.(io.Closer); ok {
if err := c.Close(); err != nil {
p.log.Errorf("fail to close worker of key(%d)", key)
}
}
delete(p.worker, key)
}
}