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java.lang.Object org.apache.openjpa.jdbc.meta.strats.AbstractValueHandler org.apache.openjpa.jdbc.meta.strats.UntypedPCValueHandler
public class UntypedPCValueHandler
Handler for unknown persistence-capable object fields that stores stringified oids.
Constructor Summary | |
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UntypedPCValueHandler()
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Method Summary | |
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static UntypedPCValueHandler |
getInstance()
Singleton instance. |
boolean |
isVersionable(ValueMapping vm)
Return whether the values managed by this handler can be used in state image versioning. |
Column[] |
map(ValueMapping vm,
DBIdentifier name,
ColumnIO io,
boolean adapt)
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Column[] |
map(ValueMapping vm,
String name,
ColumnIO io,
boolean adapt)
Deprecated. |
boolean |
objectValueRequiresLoad(ValueMapping vm)
Return whether this handler potentially must load extra data to extract the object value from its datastore representation. |
Object |
toDataStoreValue(ValueMapping vm,
Object val,
JDBCStore store)
Translate the given value to its datastore equivalent. |
Object |
toObjectValue(ValueMapping vm,
Object val,
OpenJPAStateManager sm,
JDBCStore store,
JDBCFetchConfiguration fetch)
Translate the given datastore value into its Java equivalent. |
Object |
toRelationDataStoreValue(OpenJPAStateManager sm,
Column col)
Return the serialized value for the given related object, now that its id has been assigned. |
Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractValueHandler |
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getResultArgument, toObjectValue |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UntypedPCValueHandler()
Method Detail |
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public static UntypedPCValueHandler getInstance()
public Column[] map(ValueMapping vm, String name, ColumnIO io, boolean adapt)
ValueHandler
Name
and JavaType
properties set.
map
in interface ValueHandler
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 schemapublic Column[] map(ValueMapping vm, DBIdentifier name, ColumnIO io, boolean adapt)
public boolean isVersionable(ValueMapping vm)
ValueHandler
isVersionable
in interface ValueHandler
isVersionable
in class AbstractValueHandler
public boolean objectValueRequiresLoad(ValueMapping vm)
ValueHandler
objectValueRequiresLoad
in interface ValueHandler
objectValueRequiresLoad
in class AbstractValueHandler
public Object toDataStoreValue(ValueMapping vm, Object val, JDBCStore store)
ValueHandler
toDataStoreValue
in interface ValueHandler
toDataStoreValue
in class AbstractValueHandler
public Object toObjectValue(ValueMapping vm, Object val, OpenJPAStateManager sm, JDBCStore store, JDBCFetchConfiguration fetch) throws SQLException
ValueHandler
ValueHandler.objectValueRequiresLoad(org.apache.openjpa.jdbc.meta.ValueMapping)
returns true.
toObjectValue
in interface ValueHandler
toObjectValue
in class AbstractValueHandler
sm
- the state manager that owns the value; may be null if
loading a projection
SQLException
public Object toRelationDataStoreValue(OpenJPAStateManager sm, Column col)
RelationId
toRelationDataStoreValue
in interface RelationId
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