org.jpox.store.rdbms.table
Class ColumnCreator

java.lang.Object
  org.jpox.store.rdbms.table.ColumnCreator

public final class ColumnCreator
extends java.lang.Object

Helper class to create columns. Used for generating columns for reference (Object, interface) fields, and for join table fields.

Version:

$Revision: 1.93 $

Field Summary

protected static org.jpox.util.Localiser

LOCALISER Localiser for messages.

Method Summary

static void	createColumnsForFieldUsingReference(org.jpox.store.mapped.mapping.JavaTypeMapping mapping, org.jpox.store.mapped.DatastoreContainerObject table, org.jpox.metadata.AbstractMemberMetaData fmd, org.jpox.ClassLoaderResolver clr, boolean embedded) Create columns for reference (Object/interface) fields.
static void	createColumnsForFieldUsingSubclassTable(org.jpox.store.mapped.mapping.JavaTypeMapping mapping, org.jpox.store.mapped.DatastoreContainerObject table, org.jpox.metadata.AbstractMemberMetaData fmd, org.jpox.ClassLoaderResolver clr) Create columns for a field that uses subclass-table inheritance and where we want to have a FK for each subclass with its own table.
static org.jpox.store.mapped.mapping.JavaTypeMapping	createColumnsForJoinTables(java.lang.Class javaType, org.jpox.metadata.AbstractMemberMetaData fmd, org.jpox.metadata.ColumnMetaData[] columnMetaData, org.jpox.store.mapped.MappedStoreManager storeMgr, org.jpox.store.mapped.DatastoreContainerObject table, boolean primaryKey, boolean nullable, boolean serialised, boolean embedded, int fieldRole, org.jpox.ClassLoaderResolver clr) Method to create the required columns (and mapping if necessary) for a field
static org.jpox.store.mapped.DatastoreField	createIndexColumn(org.jpox.store.mapped.mapping.JavaTypeMapping mapping, org.jpox.store.mapped.MappedStoreManager storeMgr, org.jpox.ClassLoaderResolver clr, org.jpox.store.mapped.DatastoreContainerObject table, org.jpox.metadata.ColumnMetaData colmd, boolean pk) Convenience method to add the column for an index mapping.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOCALISER

protected static final org.jpox.util.Localiser LOCALISER

Localiser for messages.

Method Detail

createIndexColumn

public static org.jpox.store.mapped.DatastoreField createIndexColumn(org.jpox.store.mapped.mapping.JavaTypeMapping mapping,
                                                                     org.jpox.store.mapped.MappedStoreManager storeMgr,
                                                                     org.jpox.ClassLoaderResolver clr,
                                                                     org.jpox.store.mapped.DatastoreContainerObject table,
                                                                     org.jpox.metadata.ColumnMetaData colmd,
                                                                     boolean pk)

Convenience method to add the column for an index mapping.

Parameters:

mapping - The mapping

storeMgr - Manager for the store

clr - ClassLoaderResolver

table - Table where we create the column

colmd - The column MetaData

pk - Whether this column is (part of) the PK.

Returns:

The added column

createColumnsForJoinTables

public static org.jpox.store.mapped.mapping.JavaTypeMapping createColumnsForJoinTables(java.lang.Class javaType,
                                                                                       org.jpox.metadata.AbstractMemberMetaData fmd,
                                                                                       org.jpox.metadata.ColumnMetaData[] columnMetaData,
                                                                                       org.jpox.store.mapped.MappedStoreManager storeMgr,
                                                                                       org.jpox.store.mapped.DatastoreContainerObject table,
                                                                                       boolean primaryKey,
                                                                                       boolean nullable,
                                                                                       boolean serialised,
                                                                                       boolean embedded,
                                                                                       int fieldRole,
                                                                                       org.jpox.ClassLoaderResolver clr)

Method to create the required columns (and mapping if necessary) for a field

Parameters:

javaType - The java type of the field

fmd - Metadata for the field

columnMetaData - MetaData defining the columns

storeMgr - Store Manager

table - The table to add the mapping to

primaryKey - Whether this field is the PK

nullable - Whether this field is to be nullable

serialised - Whether the field is serialised

embedded - Whether the field is embedded

fieldRole - The role of this field (if any)

clr - ClassLoader resolver

Returns:

The java type mapping for this field

createColumnsForFieldUsingSubclassTable

public static void createColumnsForFieldUsingSubclassTable(org.jpox.store.mapped.mapping.JavaTypeMapping mapping,
                                                           org.jpox.store.mapped.DatastoreContainerObject table,
                                                           org.jpox.metadata.AbstractMemberMetaData fmd,
                                                           org.jpox.ClassLoaderResolver clr)

Create columns for a field that uses subclass-table inheritance and where we want to have a FK for each subclass with its own table.

Parameters:

mapping - the mapping for the field

table - the Table which will hold the columns

fmd - MetaData for the field

clr - The ClassLoaderResolver

createColumnsForFieldUsingReference

public static void createColumnsForFieldUsingReference(org.jpox.store.mapped.mapping.JavaTypeMapping mapping,
                                                       org.jpox.store.mapped.DatastoreContainerObject table,
                                                       org.jpox.metadata.AbstractMemberMetaData fmd,
                                                       org.jpox.ClassLoaderResolver clr,
                                                       boolean embedded)

Create columns for reference (Object/interface) fields.

Parameters:

mapping - the mapping for the field

table - the Table which will hold the columns

fmd - MetaData for the field

clr - The ClassLoaderResolver

embedded - Whether the field is embedded