Package io.permazen.core

Enum Class TransactionConfig.SchemaRemoval

java.lang.Object

java.lang.Enum<TransactionConfig.SchemaRemoval>

io.permazen.core.TransactionConfig.SchemaRemoval

All Implemented Interfaces:

Serializable, Comparable<TransactionConfig.SchemaRemoval>, Constable

Enclosing class:

TransactionConfig

public static enum TransactionConfig.SchemaRemoval
extends Enum<TransactionConfig.SchemaRemoval>

Configures if and when to automatically detect and remove unused schemas from a database.

When enabled, schema removal occurs at the beginning of a transaction.

See Also:

• TransactionConfig.Builder.schemaRemoval

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALWAYS	Perform automatic schema removal at the start of every transaction.
CONFIG_CHANGE	Perform automatic schema removal at the start of the very first transaction, and any other transaction configured differently from the previous transaction.
NEVER	Disable automatic schema removal.
ONCE	Perform automatic schema removal only at the start of the very first transaction.

Method Summary

Modifier and Type	Method	Description
boolean	shouldRemove(boolean firstTransaction, boolean newConfig)
static TransactionConfig.SchemaRemoval	valueOf(String name)	Returns the enum constant of this class with the specified name.
static TransactionConfig.SchemaRemoval[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NEVER

public static final TransactionConfig.SchemaRemoval NEVER

Disable automatic schema removal.

ONCE

public static final TransactionConfig.SchemaRemoval ONCE

Perform automatic schema removal only at the start of the very first transaction.

CONFIG_CHANGE

public static final TransactionConfig.SchemaRemoval CONFIG_CHANGE

Perform automatic schema removal at the start of the very first transaction, and any other transaction configured differently from the previous transaction.

ALWAYS

public static final TransactionConfig.SchemaRemoval ALWAYS

Perform automatic schema removal at the start of every transaction.

Method Details

values

public static TransactionConfig.SchemaRemoval[] 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

valueOf

public static TransactionConfig.SchemaRemoval valueOf(String name)

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 name

NullPointerException - if the argument is null

shouldRemove

public boolean shouldRemove(boolean firstTransaction,
 boolean newConfig)