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java.lang.Objectorg.hibernate.engine.VersionValue
public class VersionValue
A strategy for determining if a version value is an version of a new transient instance or a previously persistent transient instance. The strategy is determined by the unsaved-value attribute in the mapping file.
| Field Summary | |
|---|---|
static VersionValue |
NEGATIVE
Assume the transient instance is newly instantiated if the version is negative, otherwise assume it is a detached instance. |
static VersionValue |
NULL
Assume the transient instance is newly instantiated if the version is null, otherwise assume it is a detached instance. |
static VersionValue |
UNDEFINED
Assume the transient instance is newly instantiated if the version is null, otherwise defer to the identifier unsaved-value. |
| Constructor Summary | |
|---|---|
protected |
VersionValue()
|
|
VersionValue(Object value)
Assume the transient instance is newly instantiated if its version is null or equal to value |
| Method Summary | |
|---|---|
Object |
getDefaultValue(Object currentValue)
|
Boolean |
isUnsaved(Object version)
Does the given version belong to a new instance? |
String |
toString()
|
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final VersionValue NULL
public static final VersionValue UNDEFINED
public static final VersionValue NEGATIVE
| Constructor Detail |
|---|
protected VersionValue()
public VersionValue(Object value)
value - value to compare to| Method Detail |
|---|
public Boolean isUnsaved(Object version)
throws MappingException
version - version to check
MappingExceptionpublic Object getDefaultValue(Object currentValue)
public String toString()
toString in class Object
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