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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) E28847-01 |
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java.lang.Object
java.lang.Enum<OptimisticLockingType>
org.eclipse.persistence.annotations.OptimisticLockingType
public enum OptimisticLockingType
An enum that is used within the OptimisticLocking annotation.
org.eclipse.persistence.annotations.OptimisticLocking.
Enum Constant Summary | |
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ALL_COLUMNS Using this type of locking policy compares every field in the table in the WHERE clause when doing an update or a delete. |
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CHANGED_COLUMNS Using this type of locking policy compares only the changed fields in the WHERE clause when doing an update. |
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SELECTED_COLUMNS Using this type of locking compares selected fields in the WHERE clause when doing an update or a delete. |
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VERSION_COLUMN Using this type of locking policy compares a single version number in the where clause when doing an update. |
Method Summary | |
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static OptimisticLockingType |
valueOf(java.lang.String name) Returns the enum constant of this type with the specified name. |
static OptimisticLockingType[] |
values() Returns an array containing the constants of this enum type, in the order they are declared. |
Methods inherited from class java.lang.Enum |
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clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf |
Methods inherited from class java.lang.Object |
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getClass, notify, notifyAll, wait, wait, wait |
Enum Constant Detail |
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public static final OptimisticLockingType ALL_COLUMNS
public static final OptimisticLockingType CHANGED_COLUMNS
public static final OptimisticLockingType SELECTED_COLUMNS
public static final OptimisticLockingType VERSION_COLUMN
Method Detail |
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public static OptimisticLockingType[] values()
for (OptimisticLockingType c : OptimisticLockingType.values()) System.out.println(c);
public static OptimisticLockingType valueOf(java.lang.String name)
name
- the name of the enum constant to be returned.java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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