Enum Class SchemaAction
- All Implemented Interfaces:
Serializable
,Comparable<SchemaAction>
,Constable
Enum identifying any schema actions to take at startup.
- Author:
- Matthew T. Adams, John Blum
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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 ConstantDescriptionCreate each table as necessary.Create each table as necessary.Take no schema actions.Create each table as necessary, dropping the table first if it exists.Drop all tables in the keyspace, then create each table as necessary. -
Method Summary
Modifier and TypeMethodDescriptionstatic SchemaAction
Returns the enum constant of this class with the specified name.static SchemaAction[]
values()
Returns an array containing the constants of this enum class, in the order they are declared.
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Enum Constant Details
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NONE
Take no schema actions. -
CREATE
Create each table as necessary. Fail if a table already exists. -
CREATE_IF_NOT_EXISTS
Create each table as necessary. Avoid table creation if the table already exists. -
RECREATE
Create each table as necessary, dropping the table first if it exists. -
RECREATE_DROP_UNUSED
Drop all tables in the keyspace, then create each table as necessary.
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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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