org.datanucleus.store.rdbms

Class RDBMSStoreData

java.lang.Object

org.datanucleus.store.StoreData

org.datanucleus.store.rdbms.RDBMSStoreData

public class RDBMSStoreData
extends org.datanucleus.store.StoreData

Representation of a class (FCO) / field (SCO) that is persisted to an RDBMS table. Extends the basic data to allow determination of whether it is a table or a view being represented.

Field Summary

Fields

Modifier and Type	Field and Description
protected DatastoreIdentifier	tableIdentifier
protected String	tableName
protected boolean	tableOwner

Fields inherited from class org.datanucleus.store.StoreData

FCO_TYPE, interfaceName, metadata, name, properties, SCO_TYPE, table, type

Constructor Summary

Constructors

Constructor and Description
RDBMSStoreData(org.datanucleus.metadata.AbstractMemberMetaData mmd, Table table) Constructor, taking the meta data for the field, and the table it is mapped to.
RDBMSStoreData(org.datanucleus.metadata.ClassMetaData cmd, Table table, boolean tableOwner) Constructor for FCO data.
RDBMSStoreData(String name, String tableName, boolean tableOwner, int type, String interfaceName) Constructor.

Method Summary

Modifier and Type	Method and Description
DatastoreIdentifier	getDatastoreIdentifier() Accessor for the identifier for the table.
String	getTableName() Accessor for tableName.
boolean	hasTable() Accessor for whether this has a table representation.
boolean	isTableOwner() Accessor for whether this class is the owner of the table.
boolean	mapsToView() Utility to return whether this table is a view.
void	setDatastoreContainerObject(DatastoreClass table) Convenience to set the table.
String	toString() Method to return this class/field managed object as a string.

Methods inherited from class org.datanucleus.store.StoreData

addProperty, getInterfaceName, getMetaData, getName, getProperties, getProperty, getTable, getType, isFCO, isSCO, setMetaData, setTable

Methods inherited from class java.lang.Object

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

Field Detail

tableName

protected String tableName

tableIdentifier

protected DatastoreIdentifier tableIdentifier

tableOwner

protected boolean tableOwner

Constructor Detail

RDBMSStoreData

public RDBMSStoreData(String name,
                      String tableName,
                      boolean tableOwner,
                      int type,
                      String interfaceName)

Constructor. To be used when creating for the start mechanism.

Parameters:

name - Name of the class/field

tableName - Name of the table associated

tableOwner - Whether this is the owner

type - The type (FCO/SCO)

interfaceName - if this class is an implementation of a persistent interface (multiple persistent interface names are comma separated), otherwise is null.

RDBMSStoreData

public RDBMSStoreData(org.datanucleus.metadata.ClassMetaData cmd,
                      Table table,
                      boolean tableOwner)

Constructor for FCO data.

Parameters:

cmd - MetaData for the class.

table - Table where the class is stored.

tableOwner - Whether the class is the owner of the table.

RDBMSStoreData

public RDBMSStoreData(org.datanucleus.metadata.AbstractMemberMetaData mmd,
                      Table table)

Constructor, taking the meta data for the field, and the table it is mapped to.

Parameters:

mmd - MetaData for the field.

table - Table definition

Method Detail

mapsToView

public boolean mapsToView()

Utility to return whether this table is a view.

Returns:

Whether it is for a view.

getTableName

public String getTableName()

Accessor for tableName.

Returns:

Returns the tableName.

isTableOwner

public boolean isTableOwner()

Accessor for whether this class is the owner of the table.

Returns:

Whether it owns the table

hasTable

public boolean hasTable()

Accessor for whether this has a table representation.

Returns:

Whether it has a table

getDatastoreIdentifier

public DatastoreIdentifier getDatastoreIdentifier()

Accessor for the identifier for the table.

Returns:

The table identifier

setDatastoreContainerObject

public void setDatastoreContainerObject(DatastoreClass table)

Convenience to set the table. To be used in cases where the table isn't known until after the initial create

Parameters:

table - The table

toString

public String toString()

Method to return this class/field managed object as a string.

Overrides:

toString in class org.datanucleus.store.StoreData

Returns:

String version of this class/field managed object.