public enum TransactionOptions.ReadWrite.ReadLockMode extends Enum<TransactionOptions.ReadWrite.ReadLockMode> implements ProtocolMessageEnum
ReadLockMode
is used to set the read lock mode for read-write
transactions.
Protobuf enum google.spanner.v1.TransactionOptions.ReadWrite.ReadLockMode
Implements
ProtocolMessageEnumStatic Fields |
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Name | Description |
OPTIMISTIC |
Optimistic lock mode. Locks for reads within the transaction are not acquired on read. Instead the locks are acquired on a commit to validate that read/queried data has not changed since the transaction started. |
OPTIMISTIC_VALUE |
Optimistic lock mode. Locks for reads within the transaction are not acquired on read. Instead the locks are acquired on a commit to validate that read/queried data has not changed since the transaction started. |
PESSIMISTIC |
Pessimistic lock mode. Read locks are acquired immediately on read. |
PESSIMISTIC_VALUE |
Pessimistic lock mode. Read locks are acquired immediately on read. |
READ_LOCK_MODE_UNSPECIFIED |
Default value. If the value is not specified, the pessimistic read lock is used. |
READ_LOCK_MODE_UNSPECIFIED_VALUE |
Default value. If the value is not specified, the pessimistic read lock is used. |
UNRECOGNIZED |
Static Methods |
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Name | Description |
forNumber(int value) |
|
getDescriptor() |
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internalGetValueMap() |
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valueOf(Descriptors.EnumValueDescriptor desc) |
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valueOf(int value) |
Deprecated. Use #forNumber(int) instead. |
valueOf(String name) |
|
values() |
Methods |
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Name | Description |
getDescriptorForType() |
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getNumber() |
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getValueDescriptor() |