org.datanucleus.store

Class StoreData

java.lang.Object

org.datanucleus.store.StoreData

public class StoreData
extends Object

Basic store information about an object that is stored in a datastore. Can be a class or member.

Field Summary

Fields

Modifier and Type	Field and Description
static int	FCO_TYPE First class object (FCO) type
protected String	interfaceName Name of the persistent interface, when this represents one.
protected MetaData	metadata Metadata for the class, or member (join table) depending on what this represents.
protected String	name Name of the class/field.
protected Map	properties Extension props.
static int	SCO_TYPE Second class object (SCO) type
protected Table	table
protected int	type Type of data being stored (FCO, SCO).

Constructor Summary

Constructors

Constructor and Description
StoreData(String name, int type) Constructor.
StoreData(String name, MetaData metadata, int type, String interfaceName) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addProperty(String key, Object value)
String	getInterfaceName() Accessor for the persistent interface name
MetaData	getMetaData() Accessor for class/field meta data.
String	getName() Accessor for class/field name.
Map	getProperties() Accessor for extension props, if utilised by the store manager.
Object	getProperty(String key)
Table	getTable() Accessor for the generic Table for this class/member (if the store plugin supports generic Tables).
int	getType() Accessor for type.
boolean	isFCO() Accessor for whether this represents FCO data.
boolean	isSCO() Accessor for whether this represents SCO data.
void	setMetaData(MetaData md) Method to set the MetaData for this class.
void	setTable(Table tbl)
String	toString() Method to return this class/field managed object as a string.

Methods inherited from class java.lang.Object

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

Field Detail

FCO_TYPE

public static final int FCO_TYPE

First class object (FCO) type

See Also:

Constant Field Values

SCO_TYPE

public static final int SCO_TYPE

Second class object (SCO) type

See Also:

Constant Field Values

name

protected final String name

Name of the class/field.

type

protected final int type

Type of data being stored (FCO, SCO).

metadata

protected MetaData metadata

Metadata for the class, or member (join table) depending on what this represents.

interfaceName

protected String interfaceName

Name of the persistent interface, when this represents one. Otherwise null.

table

protected Table table

properties

protected Map properties

Extension props. Available for store manager to save additional info if required.

Constructor Detail

StoreData

public StoreData(String name,
                 int type)

Constructor.

Parameters:

name - Name of the class/field

type - Type of data (FCO/SCO)

StoreData

public StoreData(String name,
                 MetaData metadata,
                 int type,
                 String interfaceName)

Constructor.

Parameters:

name - Name of the class/field

metadata - MetaData for the class or field (if available)

type - Type of data (FCO/SCO)

interfaceName - Name of persistent-interface being implemented

Method Detail

getName

public String getName()

Accessor for class/field name.

Returns:

Returns the class/field name.

getMetaData

public MetaData getMetaData()

Accessor for class/field meta data.

Returns:

Returns the class/field meta data.

setMetaData

public void setMetaData(MetaData md)

Method to set the MetaData for this class.

Parameters:

md - MetaData

isFCO

public boolean isFCO()

Accessor for whether this represents FCO data.

Returns:

Whether it is FCO

isSCO

public boolean isSCO()

Accessor for whether this represents SCO data.

Returns:

Whether it is SCO.

getType

public int getType()

Accessor for type.

Returns:

Returns the type.

getInterfaceName

public String getInterfaceName()

Accessor for the persistent interface name

Returns:

Returns the persistent interface name

setTable

public void setTable(Table tbl)

getTable

public Table getTable()

Accessor for the generic Table for this class/member (if the store plugin supports generic Tables).

Returns:

The table associated with this class/member

addProperty

public void addProperty(String key,
                        Object value)

getProperty

public Object getProperty(String key)

getProperties

public Map getProperties()

Accessor for extension props, if utilised by the store manager.

Returns:

Extension props

toString

public String toString()

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

Overrides:

toString in class Object

Returns:

String version of this class/field managed object.