org.jpox.store.rdbms.table
Class ProbeTable

java.lang.Object
  org.jpox.store.rdbms.table.AbstractTable
      org.jpox.store.rdbms.table.TableImpl
          org.jpox.store.rdbms.table.ProbeTable

All Implemented Interfaces:

DatastoreContainerObject, DatastoreObject, Table

public class ProbeTable
extends TableImpl

Utility class used for detecting database schema existence and provides means of determining the schema name.

Version:

$Revision: 1.22 $

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

ProbeTable(RDBMSManager storeMgr)
Constructor

Method Summary

protected boolean	allowDdlDump() Override to always really create ProbeTables in the DB.
java.lang.String[]	findSchemaDetails(java.sql.Connection conn) Accessor for the Schema details.
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 org.jpox.store.rdbms.table.TableImpl

dropConstraints, getExpectedCandidateKeys, getExpectedForeignKeys, getExpectedIndices, getPrimaryKey, getSQLAddCandidateKeyStatements, getSQLAddFKStatements, getSQLCreateIndexStatements, getSQLCreateStatements, getSQLDropStatements, initializeColumnInfoForPrimaryKeyColumns, initializeColumnInfoFromDatastore, postInitialize, preInitialize, validate, validateColumns, validateConstraints, validatePrimaryKey

Methods inherited from class org.jpox.store.rdbms.table.AbstractTable

addColumnInternal, addDatastoreField, assertIsInitialized, assertIsInitializedModified, assertIsPKInitialized, assertIsPKUninitialized, assertIsUninitialized, assertIsValidated, create, drop, equals, executeDdlStatement, executeDdlStatementList, exists, getCatalogName, getDatastoreIdentifierFullyQualified, getDiscriminatorMapping, getDiscriminatorMetaData, getIdentifier, getSchemaName, getStoreManager, getVersionMapping, getVersionMetaData, hasColumnName, hasDatastoreField, hashCode, isDumpingDdl, isInitialized, isInitializedModified, isPKInitialized, isValidated, setDdlDumpWriter, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ProbeTable

public ProbeTable(RDBMSManager storeMgr)

Constructor

Parameters:

storeMgr - The RDBMSManager for this datastore

Method Detail

initialize

public void initialize(ClassLoaderResolver clr)

Method to initialise the table.

Parameters:

clr - The ClassLoaderResolver

getIDMapping

public JavaTypeMapping getIDMapping()

Accessor for a mapping for the ID (PersistenceCapable) for this table.

Returns:

The (PersistenceCapable) ID mapping.

findSchemaDetails

public java.lang.String[] findSchemaDetails(java.sql.Connection conn)
                                     throws java.sql.SQLException

Accessor for the Schema details. This will return a String array with 2 elements. The first is the Catalog name, and the second the Schema name.

Parameters:

conn - Connection for this datastore.

Returns:

The Schema details

Throws:

java.sql.SQLException - Thrown when an error occurs in the process.

allowDdlDump

protected boolean allowDdlDump()

Override to always really create ProbeTables in the DB. Needed to determine schema name.

Overrides:

allowDdlDump in class AbstractTable

Returns:

Whether it allows DDL dumping

See Also:

AbstractTable.allowDdlDump()

getFieldMapping

public JavaTypeMapping getFieldMapping(AbstractPropertyMetaData fmd)

Accessor the for the mapping for a field store in this table

Parameters:

fmd - MetaData for the field whose mapping we want

Returns:

The mapping