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java.lang.Objectorg.jpox.store.rdbms.table.AbstractTable
org.jpox.store.rdbms.table.TableImpl
org.jpox.store.rdbms.table.SchemaTable
Class defining JPOX schema definition tables. Represents a table in the datastore storing the class and table mappings. This table is used when restarting a JPOX system so that it is 'aware' of what classes were supported the previous time this datastore was used. It uses this information to pre-populate the RDBMSManager with the classes stored in this table. The table names are not used as such, other than as a record of what table a class maps to - because it goes off and finds the MetaData for the class which, with the JPOX naming scheme, defines the table name anyway.
Field Summary |
Fields inherited from class org.jpox.store.rdbms.table.AbstractTable |
columns, columnsByName, dba, ddlDumpWriter, identifier, LOCALISER, state, storeMgr |
Fields inherited from interface org.jpox.store.rdbms.table.Table |
TABLE_STATE_INITIALIZED, TABLE_STATE_INITIALIZED_MODIFIED, TABLE_STATE_NEW, TABLE_STATE_PK_INITIALIZED, TABLE_STATE_VALIDATED, TABLE_TYPE_MISSING, TABLE_TYPE_TABLE, TABLE_TYPE_UNKNOWN, TABLE_TYPE_VIEW |
Constructor Summary | |
SchemaTable(RDBMSManager storeMgr)
Constructor |
Method Summary | |
void |
addClass(StoreData data,
java.sql.Connection conn)
Method to insert a row in the SchemaTable. |
void |
deleteAllClasses(java.sql.Connection conn)
Method to delete all classes from the SchemaTable. |
void |
deleteClass(java.lang.String class_name,
java.sql.Connection conn)
Method to delete a class from the SchemaTable. |
java.util.HashSet |
getAllClasses(java.sql.Connection conn)
Accessor for the classes already supported by this Schema Table. |
JavaTypeMapping |
getFieldMapping(AbstractPropertyMetaData fmd)
Accessor the for the mapping for a field store in this table |
JavaTypeMapping |
getIDMapping()
Accessor for a mapping for the ID (PersistenceCapable) for this table. |
void |
initialize(ClassLoaderResolver clr)
Method to initialise the table. |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public SchemaTable(RDBMSManager storeMgr)
storeMgr
- The RDBMSManager for this datastoreMethod Detail |
public void initialize(ClassLoaderResolver clr)
clr
- The ClassLoaderResolverpublic JavaTypeMapping getIDMapping()
public java.util.HashSet getAllClasses(java.sql.Connection conn) throws java.sql.SQLException
conn
- Connection for this datastore.
java.sql.SQLException
- Thrown when an error occurs in the process.public void addClass(StoreData data, java.sql.Connection conn) throws java.sql.SQLException
data
- Data for the classconn
- Connection to the datastore
java.sql.SQLException
- Thrown when an error occurs inserting the schema.public void deleteClass(java.lang.String class_name, java.sql.Connection conn) throws java.sql.SQLException
class_name
- Name of class to deleteconn
- Connection to the datastore
java.sql.SQLException
- Thrown when an error occurs deleting the schema.public void deleteAllClasses(java.sql.Connection conn) throws java.sql.SQLException
conn
- Connection to the datastore
java.sql.SQLException
- Thrown when an error occurs deleting the schema.public JavaTypeMapping getFieldMapping(AbstractPropertyMetaData fmd)
fmd
- MetaData for the field whose mapping we want
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