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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 rm
import (
"fmt"
"sync"
"gitee.com/ltotal/seata-go/pkg/protocol/branch"
)
var (
// singletone ResourceManagerCache
rmCacheInstance *ResourceManagerCache
onceRMFacade = &sync.Once{}
)
func GetRmCacheInstance() *ResourceManagerCache {
if rmCacheInstance == nil {
onceRMFacade.Do(func() {
rmCacheInstance = &ResourceManagerCache{}
})
}
return rmCacheInstance
}
type ResourceManagerCache struct {
// BranchType -> ResourceManagerCache
resourceManagerMap sync.Map
}
func (d *ResourceManagerCache) RegisterResourceManager(resourceManager ResourceManager) {
d.resourceManagerMap.Store(resourceManager.GetBranchType(), resourceManager)
}
func (d *ResourceManagerCache) GetResourceManager(branchType branch.BranchType) ResourceManager {
rm, ok := d.resourceManagerMap.Load(branchType)
if !ok {
panic(fmt.Sprintf("No ResourceManagerCache for BranchType: %v", branchType))
}
return rm.(ResourceManager)
}
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