org.ujorm.orm.metaModel
Class MetaPKey

java.lang.Object
  org.ujorm.extensions.SuperAbstractUjo
      org.ujorm.extensions.AbstractUjo
          org.ujorm.orm.AbstractMetaModel
              org.ujorm.orm.metaModel.MetaPKey

All Implemented Interfaces:

Serializable, UjoCloneable, UjoLockable, UjoTextable, Ujo

public final class MetaPKey
extends AbstractMetaModel

The table primary key.

See Also:

Serialized Form

Field Summary

static ListKey<MetaPKey,MetaColumn>	COLUMNS DB columns
static Key<MetaPKey,MetaTable>	TABLE DB table

Constructor Summary

MetaPKey(MetaTable table)

Method Summary

boolean	assignPrimaryKey(OrmUjo bo, Session session) Assign a PK from framework in case the PK generator is type of MEMO_SEQUENCE.
MetaColumn	getColumn(int i) Returns column on the selected position.
int	getCount() Returns a count of the Primary Keys
MetaColumn	getFirstColumn() Returns the first column.
protected long	nextValue(Session session) Generate a next value
String	toString()

Methods inherited from class org.ujorm.orm.AbstractMetaModel

changeDefault, checkReadOnly, clearReadOnly, get, lock, readAuthorization, readOnly, setReadOnly, writeValue

Methods inherited from class org.ujorm.extensions.AbstractUjo

newCamelFactory, newFactory, readValue

Methods inherited from class org.ujorm.extensions.SuperAbstractUjo

clone, equals, init, init, readKeys, readUjoManager, readValueString, writeValueString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ujorm.Ujo

readKeys, readValue

Field Detail

TABLE

public static final Key<MetaPKey,MetaTable> TABLE

DB table

COLUMNS

public static final ListKey<MetaPKey,MetaColumn> COLUMNS

DB columns

Constructor Detail

MetaPKey

public MetaPKey(MetaTable table)

Method Detail

toString

public String toString()

Overrides:

toString in class SuperAbstractUjo

assignPrimaryKey

public boolean assignPrimaryKey(OrmUjo bo,
                                Session session)
                         throws IllegalArgumentException

Assign a PK from framework in case the PK generator is type of MEMO_SEQUENCE.

Returns:

Value 'true' means, that primary key was assigned successfully and 'false' means that a primary key was defined earlier.

Throws:

IllegalArgumentException - The PK can't be assigned.

nextValue

protected final long nextValue(Session session)

Generate a next value

getFirstColumn

public MetaColumn getFirstColumn()

Returns the first column.

getColumn

public MetaColumn getColumn(int i)

Returns column on the selected position.

getCount

public int getCount()

Returns a count of the Primary Keys