Enum Class Isolation
- All Implemented Interfaces:
Serializable
,Comparable<Isolation>
,Constable
Defines the level of visibility this transaction has for data changes made by
other concurrent transactions.
SERIALIZABLE
is the most restrictive.
READ_UNCOMMITTED
is the least restrictive.
- Author:
- Michael Young, Shuyang Zhou
- See Also:
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum ConstantsEnum ConstantDescriptionUse the default isolation level of the underlying data store.Use the isolation level of the portal, as defined by the portal properties.Prevent dirty reads; allow non-repeatable reads and phantom reads.Allow dirty reads, non-repeatable reads, and phantom reads.Prevent dirty reads and non-repeatable reads; allow phantom reads.Prevent dirty reads, non-repeatable reads, and phantom reads. -
Method Summary
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Enum Constant Details
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DEFAULT
Use the default isolation level of the underlying data store. -
PORTAL
Use the isolation level of the portal, as defined by the portal properties. -
READ_COMMITTED
Prevent dirty reads; allow non-repeatable reads and phantom reads. -
READ_UNCOMMITTED
Allow dirty reads, non-repeatable reads, and phantom reads. -
REPEATABLE_READ
Prevent dirty reads and non-repeatable reads; allow phantom reads. -
SERIALIZABLE
Prevent dirty reads, non-repeatable reads, and phantom reads.
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Method Details
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values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
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valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified nameNullPointerException
- if the argument is null
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getIsolation
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value
public int value()
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