class IdentityJoinable extends Object implements Joinable
Joinable
for the datastore identity column.Constructor and Description |
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IdentityJoinable(ClassMapping mapping)
Constructor; supply datastore identity mapping.
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Modifier and Type | Method and Description |
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Column[] |
getColumns()
The columns managed by this joinable.
|
int |
getFieldIndex()
Return the field index of this joinable, or -1 if not a field.
|
Object |
getJoinValue(Object val,
Column col,
JDBCStore store)
Return the join value of the given column.
|
Object |
getJoinValue(OpenJPAStateManager sm,
Column col,
JDBCStore store)
Return the join value of the given column.
|
Object |
getPrimaryKeyValue(Result res,
Column[] cols,
ForeignKey fk,
JDBCStore store,
Joins joins)
Return the value for this joinable from the given result, using the
given columns.
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void |
setAutoAssignedValue(OpenJPAStateManager sm,
JDBCStore store,
Column col,
Object autogen)
Use the given auto-assigned value to set this join value's field
on the given instance.
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public IdentityJoinable(ClassMapping mapping)
public int getFieldIndex()
Joinable
getFieldIndex
in interface Joinable
public Object getPrimaryKeyValue(Result res, Column[] cols, ForeignKey fk, JDBCStore store, Joins joins) throws SQLException
Joinable
ForeignKey.getColumn(org.apache.openjpa.jdbc.schema.Column)
.getPrimaryKeyValue
in interface Joinable
SQLException
public Column[] getColumns()
Joinable
getColumns
in interface Joinable
public Object getJoinValue(Object val, Column col, JDBCStore store)
Joinable
getJoinValue
in interface Joinable
val
- the value of the field for this joinablecol
- the column of this joinable whose value to returnpublic Object getJoinValue(OpenJPAStateManager sm, Column col, JDBCStore store)
Joinable
getJoinValue
in interface Joinable
sm
- the instance from which to get the valuecol
- the column whose value to returnpublic void setAutoAssignedValue(OpenJPAStateManager sm, JDBCStore store, Column col, Object autogen)
Joinable
setAutoAssignedValue
in interface Joinable
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