vitess.io/vitess@v0.16.2/go/vt/topo/topoproto/keyspace.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package topoproto
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  
    23  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    24  )
    25  
    26  // ParseKeyspaceType parses a string into a KeyspaceType.
    27  func ParseKeyspaceType(param string) (topodatapb.KeyspaceType, error) {
    28  	value, ok := topodatapb.KeyspaceType_value[strings.ToUpper(param)]
    29  	if !ok {
    30  		// default
    31  		return topodatapb.KeyspaceType_NORMAL, fmt.Errorf("unknown keyspace type: %v", value)
    32  	}
    33  	return topodatapb.KeyspaceType(value), nil
    34  }
    35  
    36  // KeyspaceTypeString returns the string representation of a KeyspaceType.
    37  func KeyspaceTypeString(kt topodatapb.KeyspaceType) string {
    38  	str, ok := topodatapb.KeyspaceType_name[int32(kt)]
    39  	if !ok {
    40  		return "UNKNOWN"
    41  	}
    42  
    43  	return str
    44  }
    45  
    46  // KeyspaceTypeLString returns the lowercased string representation of a
    47  // KeyspaceType.
    48  func KeyspaceTypeLString(kt topodatapb.KeyspaceType) string {
    49  	return strings.ToLower(KeyspaceTypeString(kt))
    50  }