github.com/m3db/m3@v1.5.0/src/metrics/rules/store.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
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     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package rules
    22  
    23  // Store performs read/write operations for rules and namespaces.
    24  type Store interface {
    25  	// ReadNamespaces returns the persisted namespaces in kv store.
    26  	ReadNamespaces() (*Namespaces, error)
    27  
    28  	// ReadRuleSet returns the persisted ruleset in kv store.
    29  	ReadRuleSet(nsName string) (RuleSet, error)
    30  
    31  	// WriteRuleSet saves the given ruleset to the backing store.
    32  	WriteRuleSet(rs MutableRuleSet) error
    33  
    34  	// WriteNamespaces saves the given namespaces to the backing store.
    35  	WriteNamespaces(nss *Namespaces) error
    36  
    37  	// WriteAll saves both the given ruleset and namespace to the backing store.
    38  	WriteAll(nss *Namespaces, rs MutableRuleSet) error
    39  
    40  	// Close closes the store.
    41  	Close()
    42  }