github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/common/filenames.go (about)

     1  // Copyright 2021 Matrix Origin
     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 common
    16  
    17  import (
    18  	"fmt"
    19  	"path"
    20  )
    21  
    22  type FileT int
    23  
    24  const (
    25  	FTLock FileT = iota
    26  )
    27  
    28  const (
    29  	TmpSuffix  = ".tmp"
    30  	LockSuffix = ".lock"
    31  )
    32  
    33  func MakeFilename(dirname string, ft FileT, name string, isTmp bool) string {
    34  	var s string
    35  	switch ft {
    36  	case FTLock:
    37  		s = path.Join(dirname, fmt.Sprintf("%s%s", name, LockSuffix))
    38  	default:
    39  		panic(fmt.Sprintf("unsupported %d", ft))
    40  	}
    41  	if isTmp {
    42  		s += TmpSuffix
    43  	}
    44  	return s
    45  }
    46  
    47  func MakeLockFileName(dirname, name string) string {
    48  	return MakeFilename(dirname, FTLock, name, false)
    49  }