com.viaoa.hub

Class HubSelectDelegate

java.lang.Object

com.viaoa.hub.HubSelectDelegate

public class HubSelectDelegate
extends Object

Delegate used for Hub selecting and lazy loading (fetching) from datasource.

Author:

vvia

Constructor Summary

Constructors

Constructor and Description
HubSelectDelegate()

Method Summary

Modifier and Type	Method and Description
protected static int	_fetchMore(Hub thisHub, OASelect sel, int famt)
protected static void	cancelSelect(Hub thisHub, boolean bRemoveSelect) Cancels current OASelect, calling select.cancel() This will also set SelectLater to false and RequiredWhere to null.
protected static int	fetchMore(Hub thisHub) Internal method to retrieve objects from last select()
protected static int	fetchMore(Hub thisHub, int famt) Internal method to retrieve objects from last select()
protected static int	fetchMore(Hub thisHub, OASelect sel)
protected static int	fetchMore(Hub thisHub, OASelect sel, int famt)
static int	getCount(Hub thisHub)
protected static OASelect	getSelect(Hub thisHub) Returns OASelect used for querying datasource.
protected static OASelect	getSelect(Hub thisHub, boolean bCreateIfNull)
static String	getSelectOrder(Hub thisHub) Sort Order clause to use for select.
static String	getSelectWhere(Hub thisHub)
static boolean	isCounted(Hub thisHub)
static boolean	isMoreData(Hub thisHub) Find out if more objects are available from last select from OADataSource.
static boolean	isMoreData(OASelect sel)
static void	loadAllData(Hub thisHub) This will automatically read all records from current select().
static void	loadAllData(Hub thisHub, OASelect select)
static boolean	refreshSelect(Hub thisHub) This will re-run the last select.
static void	select(Hub thisHub, boolean bAppendFlag)
protected static void	select(Hub thisHub, OAObject whereObject, String whereClause, Object[] whereParams, String orderByClause, boolean bAppendFlag)
protected static void	select(Hub thisHub, OAObject whereObject, String whereClause, Object[] whereParams, String orderByClause, boolean bAppendFlag, OAFilter filter)
static void	select(Hub thisHub, OASelect select) Used to populate Hub with objects returned from a OADataSource select.
static void	selectPassthru(Hub thisHub, String whereClause, String orderClause)
static void	selectPassthru(Hub thisHub, String whereClause, String orderClause, boolean bAppend)
static void	setSelectOrder(Hub thisHub, String s) Sort Order clause to use for select.
static void	setSelectWhere(Hub thisHub, String s) WHERE clause to use for select.

Methods inherited from class java.lang.Object

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

Constructor Detail

HubSelectDelegate

public HubSelectDelegate()

Method Detail

fetchMore

protected static int fetchMore(Hub thisHub)

Internal method to retrieve objects from last select()

fetchMore

protected static int fetchMore(Hub thisHub,
                               OASelect sel)

fetchMore

protected static int fetchMore(Hub thisHub,
                               int famt)

Internal method to retrieve objects from last select()

fetchMore

protected static int fetchMore(Hub thisHub,
                               OASelect sel,
                               int famt)

_fetchMore

protected static int _fetchMore(Hub thisHub,
                                OASelect sel,
                                int famt)

isMoreData

public static boolean isMoreData(Hub thisHub)

Find out if more objects are available from last select from OADataSource.

isMoreData

public static boolean isMoreData(OASelect sel)

loadAllData

public static void loadAllData(Hub thisHub)

This will automatically read all records from current select(). By default, only 45 objects are read at a time from datasource.

loadAllData

public static void loadAllData(Hub thisHub,
                               OASelect select)

getSelect

protected static OASelect getSelect(Hub thisHub)

Returns OASelect used for querying datasource.

getSelect

protected static OASelect getSelect(Hub thisHub,
                                    boolean bCreateIfNull)

select

public static void select(Hub thisHub,
                          OASelect select)

Used to populate Hub with objects returned from a OADataSource select. By default, all objects will first be removed from the Hub, OASelect.select() will be called, and the first 45 objects will be added to Hub and active object will be set to null. As the Hub is accessed for more objects, more will be returned until the query is exhausted of objects.

cancelSelect

protected static void cancelSelect(Hub thisHub,
                                   boolean bRemoveSelect)

Cancels current OASelect, calling select.cancel() This will also set SelectLater to false and RequiredWhere to null.

getCount

public static int getCount(Hub thisHub)

isCounted

public static boolean isCounted(Hub thisHub)

setSelectWhere

public static void setSelectWhere(Hub thisHub,
                                  String s)

WHERE clause to use for select.

See Also:

setSelectOrder(com.viaoa.hub.Hub, java.lang.String), OASelect

getSelectWhere

public static String getSelectWhere(Hub thisHub)

setSelectOrder

public static void setSelectOrder(Hub thisHub,
                                  String s)

Sort Order clause to use for select.

See Also:

getSelectOrder(com.viaoa.hub.Hub), OASelect

getSelectOrder

public static String getSelectOrder(Hub thisHub)

Sort Order clause to use for select.

See Also:

setSelectOrder(com.viaoa.hub.Hub, java.lang.String), OASelect

select

public static void select(Hub thisHub,
                          boolean bAppendFlag)

select

protected static void select(Hub thisHub,
                             OAObject whereObject,
                             String whereClause,
                             Object[] whereParams,
                             String orderByClause,
                             boolean bAppendFlag)

select

protected static void select(Hub thisHub,
                             OAObject whereObject,
                             String whereClause,
                             Object[] whereParams,
                             String orderByClause,
                             boolean bAppendFlag,
                             OAFilter filter)

selectPassthru

public static void selectPassthru(Hub thisHub,
                                  String whereClause,
                                  String orderClause)

selectPassthru

public static void selectPassthru(Hub thisHub,
                                  String whereClause,
                                  String orderClause,
                                  boolean bAppend)

refreshSelect

public static boolean refreshSelect(Hub thisHub)

This will re-run the last select.

See Also:

OASelect