github.com/sacloud/iaas-api-go@v1.12.0/fake/in_memory_store.go (about)

     1  // Copyright 2022-2023 The sacloud/iaas-api-go Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fake
    16  
    17  import (
    18  	"fmt"
    19  	"sync"
    20  
    21  	"github.com/sacloud/iaas-api-go/types"
    22  )
    23  
    24  // InMemoryStore データをメモリ上に保存するためのデータストア
    25  type InMemoryStore struct {
    26  	data map[string]map[string]interface{}
    27  	mu   sync.Mutex
    28  }
    29  
    30  // NewInMemoryStore .
    31  func NewInMemoryStore() *InMemoryStore {
    32  	return &InMemoryStore{
    33  		data: make(map[string]map[string]interface{}),
    34  	}
    35  }
    36  
    37  // Init .
    38  func (s *InMemoryStore) Init() error {
    39  	return nil
    40  }
    41  
    42  // NeedInitData .
    43  func (s *InMemoryStore) NeedInitData() bool {
    44  	return true
    45  }
    46  
    47  // Put .
    48  func (s *InMemoryStore) Put(resourceKey, zone string, id types.ID, value interface{}) {
    49  	s.mu.Lock()
    50  	defer s.mu.Unlock()
    51  
    52  	values := s.values(resourceKey, zone)
    53  	if values == nil {
    54  		values = map[string]interface{}{}
    55  	}
    56  	values[id.String()] = value
    57  	s.data[s.key(resourceKey, zone)] = values
    58  }
    59  
    60  // Get .
    61  func (s *InMemoryStore) Get(resourceKey, zone string, id types.ID) interface{} {
    62  	s.mu.Lock()
    63  	defer s.mu.Unlock()
    64  
    65  	values := s.values(resourceKey, zone)
    66  	if values == nil {
    67  		return nil
    68  	}
    69  	return values[id.String()]
    70  }
    71  
    72  // List .
    73  func (s *InMemoryStore) List(resourceKey, zone string) []interface{} {
    74  	s.mu.Lock()
    75  	defer s.mu.Unlock()
    76  
    77  	values := s.values(resourceKey, zone)
    78  	var ret []interface{}
    79  	for _, v := range values {
    80  		ret = append(ret, v)
    81  	}
    82  	return ret
    83  }
    84  
    85  // Delete .
    86  func (s *InMemoryStore) Delete(resourceKey, zone string, id types.ID) {
    87  	s.mu.Lock()
    88  	defer s.mu.Unlock()
    89  
    90  	values := s.values(resourceKey, zone)
    91  	if values != nil {
    92  		delete(values, id.String())
    93  	}
    94  }
    95  
    96  func (s *InMemoryStore) key(resourceKey, zone string) string {
    97  	return fmt.Sprintf("%s/%s", resourceKey, zone)
    98  }
    99  
   100  func (s *InMemoryStore) values(resourceKey, zone string) map[string]interface{} {
   101  	return s.data[s.key(resourceKey, zone)]
   102  }