github.com/matrixorigin/matrixone@v1.2.0/pkg/pb/txn/txn_option.go (about)

     1  // Copyright 2021 - 2022 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 txn
    16  
    17  var (
    18  	txnFeatureUserTxn      = uint32(1 << 0)
    19  	txnFeatureReadOnly     = uint32(1 << 1)
    20  	txnFeatureCacheWrite   = uint32(1 << 2)
    21  	txnFeatureDisable1PC   = uint32(1 << 3)
    22  	txnFeatureCheckDup     = uint32(1 << 4)
    23  	txnFeatureDisableTrace = uint32(1 << 5)
    24  )
    25  
    26  func (m TxnOptions) WithDisableTrace() TxnOptions {
    27  	m.Features |= txnFeatureDisableTrace
    28  	return m
    29  }
    30  
    31  func (m TxnOptions) WithEnableCheckDup() TxnOptions {
    32  	m.Features |= txnFeatureCheckDup
    33  	return m
    34  }
    35  
    36  func (m TxnOptions) WithDisable1PC() TxnOptions {
    37  	m.Features |= txnFeatureDisable1PC
    38  	return m
    39  }
    40  
    41  func (m TxnOptions) WithEnableCacheWrite() TxnOptions {
    42  	m.Features |= txnFeatureCacheWrite
    43  	return m
    44  }
    45  
    46  func (m TxnOptions) WithReadOnly() TxnOptions {
    47  	m.Features |= txnFeatureReadOnly
    48  	return m
    49  }
    50  
    51  func (m TxnOptions) WithUserTxn() TxnOptions {
    52  	m.Features |= txnFeatureUserTxn
    53  	return m
    54  }
    55  
    56  func (m TxnOptions) CacheWriteEnabled() bool {
    57  	return m.featureEnabled(txnFeatureCacheWrite)
    58  }
    59  
    60  func (m TxnOptions) TraceDisabled() bool {
    61  	return m.featureEnabled(txnFeatureDisableTrace)
    62  }
    63  
    64  func (m TxnOptions) UserTxn() bool {
    65  	return m.featureEnabled(txnFeatureUserTxn)
    66  }
    67  
    68  func (m TxnOptions) ReadOnly() bool {
    69  	return m.featureEnabled(txnFeatureReadOnly)
    70  }
    71  
    72  func (m TxnOptions) CheckDupEnabled() bool {
    73  	return m.featureEnabled(txnFeatureCheckDup)
    74  }
    75  
    76  func (m TxnOptions) Is1PCDisabled() bool {
    77  	return m.featureEnabled(txnFeatureDisable1PC)
    78  }
    79  
    80  func (m TxnOptions) featureEnabled(feature uint32) bool {
    81  	return m.Features&feature > 0
    82  }