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java.lang.Objectorg.apache.openjpa.jdbc.meta.strats.AbstractValueHandler
org.apache.openjpa.jdbc.meta.strats.EmbedValueHandler
org.apache.openjpa.jdbc.meta.strats.ObjectIdValueHandler
public class ObjectIdValueHandler
Handler for embedded object id fields.
| Constructor Summary | |
|---|---|
ObjectIdValueHandler()
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| Method Summary | |
|---|---|
Object |
getResultArgument(ValueMapping vm)
Return the argument to pass to the result set when loading data via Result.getObject(java.lang.Object, int, java.lang.Object), or null if none. |
Column[] |
map(ValueMapping vm,
DBIdentifier name,
ColumnIO io,
boolean adapt)
|
Column[] |
map(ValueMapping vm,
String name,
ColumnIO io,
boolean adapt)
Deprecated. |
Object |
toDataStoreValue(ValueMapping vm,
Object val,
JDBCStore store)
Translate the given value to its datastore equivalent. |
Object |
toObjectValue(ValueMapping vm,
Object val)
Translate the given datastore value into its Java equivalent. |
| Methods inherited from class org.apache.openjpa.jdbc.meta.strats.EmbedValueHandler |
|---|
getEmbeddedIdCols, getIdColumns, map, map, toDataStoreValue, toDataStoreValue1, toObjectValue, toObjectValue1 |
| Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractValueHandler |
|---|
isVersionable, objectValueRequiresLoad, toObjectValue |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ObjectIdValueHandler()
| Method Detail |
|---|
public Column[] map(ValueMapping vm,
String name,
ColumnIO io,
boolean adapt)
ValueHandlerName and JavaType properties set.
name - use as a base to form column name(s); the column names
of unmapped columns will automatically be made to fit
database limitationsio - I/O information about mapped columns; you do not
have to set this information if returning templatesadapt - whether to adapt the mapping or schema
public Column[] map(ValueMapping vm,
DBIdentifier name,
ColumnIO io,
boolean adapt)
public Object getResultArgument(ValueMapping vm)
ValueHandlerResult.getObject(java.lang.Object, int, java.lang.Object), or null if none. If this value
occupies multiple columns, return an array with one element per
column. You may return null if all array elements would be null.
getResultArgument in interface ValueHandlergetResultArgument in class AbstractValueHandler
public Object toDataStoreValue(ValueMapping vm,
Object val,
JDBCStore store)
ValueHandler
toDataStoreValue in interface ValueHandlertoDataStoreValue in class AbstractValueHandler
public Object toObjectValue(ValueMapping vm,
Object val)
ValueHandlerValueHandler.objectValueRequiresLoad(org.apache.openjpa.jdbc.meta.ValueMapping) returns false.
toObjectValue in interface ValueHandlertoObjectValue in class AbstractValueHandler
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