go.temporal.io/server@v1.23.0/common/persistence/nosql/nosqlplugin/cassandra/gocql/batch.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package gocql
    26  
    27  import (
    28  	"context"
    29  	"fmt"
    30  
    31  	"github.com/gocql/gocql"
    32  )
    33  
    34  var _ Batch = (*batch)(nil)
    35  
    36  type (
    37  	batch struct {
    38  		session *session
    39  
    40  		gocqlBatch *gocql.Batch
    41  	}
    42  )
    43  
    44  // Definition of all BatchTypes
    45  const (
    46  	LoggedBatch BatchType = iota
    47  	UnloggedBatch
    48  	CounterBatch
    49  )
    50  
    51  func newBatch(
    52  	session *session,
    53  	gocqlBatch *gocql.Batch,
    54  ) *batch {
    55  	return &batch{
    56  		session:    session,
    57  		gocqlBatch: gocqlBatch,
    58  	}
    59  }
    60  
    61  func (b *batch) Query(stmt string, args ...interface{}) {
    62  	b.gocqlBatch.Query(stmt, args...)
    63  }
    64  
    65  func (b *batch) WithContext(ctx context.Context) Batch {
    66  	return newBatch(b.session, b.gocqlBatch.WithContext(ctx))
    67  }
    68  
    69  func (b *batch) WithTimestamp(timestamp int64) Batch {
    70  	b.gocqlBatch.WithTimestamp(timestamp)
    71  	return newBatch(b.session, b.gocqlBatch)
    72  }
    73  
    74  func mustConvertBatchType(batchType BatchType) gocql.BatchType {
    75  	switch batchType {
    76  	case LoggedBatch:
    77  		return gocql.LoggedBatch
    78  	case UnloggedBatch:
    79  		return gocql.UnloggedBatch
    80  	case CounterBatch:
    81  		return gocql.CounterBatch
    82  	default:
    83  		panic(fmt.Sprintf("Unknown gocql BatchType: %v", batchType))
    84  	}
    85  }