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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<ExistenceType>
org.eclipse.persistence.annotations.ExistenceType
public enum ExistenceType
An enum that is used within the ExistenceChecking annotation.
org.eclipse.persistence.annotations.ExistenceChecking.
, DoesExistQuery
Enum Constant Summary | |
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ASSUME_EXISTENCE Assume that if the objects primary key does not include null then it must exist. |
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ASSUME_NON_EXISTENCE Assume that the object does not exist. |
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CHECK_CACHE Assume that if the objects primary key does not include null and it is in the cache, then it must exist. |
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CHECK_DATABASE Perform does exist check on the database. |
Method Summary | |
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static ExistenceType |
valueOf(java.lang.String name) Returns the enum constant of this type with the specified name. |
static ExistenceType[] |
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 ExistenceType CHECK_CACHE
public static final ExistenceType CHECK_DATABASE
public static final ExistenceType ASSUME_EXISTENCE
public static final ExistenceType ASSUME_NON_EXISTENCE
Method Detail |
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public static ExistenceType[] values()
for (ExistenceType c : ExistenceType.values()) System.out.println(c);
public static ExistenceType 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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