net.toften.jlips.persist.db.pk
Class IntegerPrimaryKeyHandler

java.lang.Object
  net.toften.jlips.persist.db.pk.IntegerPrimaryKeyHandler

All Implemented Interfaces:

PrimaryKeyHandler

public class IntegerPrimaryKeyHandler
extends Object
implements PrimaryKeyHandler

This is a primary key handler for a primary key of the type Integer For info about how the key is generated, see getNextPrimaryKey()

Author:

thomas

Constructor Summary

IntegerPrimaryKeyHandler(DBTableInfo tableInfo, DBTableColumnInfo columnInfo)
Constructor for IntegerPrimaryKeyHandler

Method Summary

DBTableColumnInfo	getColumnInfo() Return the column info for the column that holds the primary key
Object	getLastPrimaryKey() Returns the last used primary key This might not have any meaning for certain types of primary key types
Object	getNextPrimaryKey() The way this primary key handler generates a new primary key is by using the highest number currently in the database and then incrementing it
DBTableInfo	getTableInfo() Return the table info for the table the primary key handler is used by

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerPrimaryKeyHandler

public IntegerPrimaryKeyHandler(DBTableInfo tableInfo,
                                DBTableColumnInfo columnInfo)

Constructor for IntegerPrimaryKeyHandler

Parameters:

tableInfo - the table info for the related table

columnInfo - the column info for the primary key column

Method Detail

getNextPrimaryKey

public Object getNextPrimaryKey()

The way this primary key handler generates a new primary key is by using the highest number currently in the database and then incrementing it

Specified by:

getNextPrimaryKey in interface PrimaryKeyHandler

Returns:

new unique primary key

See Also:

PrimaryKeyHandler.getNextPrimaryKey()

getLastPrimaryKey

public Object getLastPrimaryKey()

Description copied from interface: PrimaryKeyHandler

Returns the last used primary key This might not have any meaning for certain types of primary key types

Specified by:

getLastPrimaryKey in interface PrimaryKeyHandler

Returns:

the last used primary key

See Also:

PrimaryKeyHandler.getLastPrimaryKey()

getColumnInfo

public DBTableColumnInfo getColumnInfo()

Description copied from interface: PrimaryKeyHandler

Return the column info for the column that holds the primary key

Specified by:

getColumnInfo in interface PrimaryKeyHandler

Returns:

See Also:

PrimaryKeyHandler.getColumnInfo()

getTableInfo

public DBTableInfo getTableInfo()

Description copied from interface: PrimaryKeyHandler

Return the table info for the table the primary key handler is used by

Specified by:

getTableInfo in interface PrimaryKeyHandler

Returns:

table info for handled table

See Also:

PrimaryKeyHandler.getTableInfo()