Package org.datanucleus.state
Enum LockMode
- All Implemented Interfaces:
Serializable
,Comparable<LockMode>
Locking modes for persistable objects.
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Enum Constant Summary
Enum ConstantsEnum ConstantDescriptionNo locking specified.Optimistic locking.Optimistic locking, plus forced version update at commit.Pessimistic locking.Pessimistic locking, plus forced version update at commit. -
Constructor Summary
Constructors -
Method Summary
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Enum Constant Details
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LOCK_NONE
No locking specified. Use default type. -
LOCK_OPTIMISTIC_READ
Optimistic locking. -
LOCK_OPTIMISTIC_WRITE
Optimistic locking, plus forced version update at commit. -
LOCK_PESSIMISTIC_READ
Pessimistic locking. -
LOCK_PESSIMISTIC_WRITE
Pessimistic locking, plus forced version update at commit.
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Constructor Details
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LockMode
private LockMode()
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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