Package com.webmethods.caf.faces.data.object

Class LimitedPropertiesTableContentProvider

java.lang.Object

com.webmethods.caf.faces.data.object.LimitedPropertiesContentProvider

com.webmethods.caf.faces.data.object.LimitedPropertiesTableContentProvider

All Implemented Interfaces:

IContentProvider, ITableContentProvider, IUpdateableContentProvider

public class LimitedPropertiesTableContentProvider
extends LimitedPropertiesContentProvider
implements ITableContentProvider

Provider which limits a wrapped table content-provider to exposing a specified set of properties.

Field Summary

Fields inherited from class com.webmethods.caf.faces.data.object.LimitedPropertiesContentProvider

m_keys, m_keySet, m_provider

Constructor Summary

Constructors

Constructor	Description
LimitedPropertiesTableContentProvider()	Blank provider.
LimitedPropertiesTableContentProvider(ITableContentProvider provider, Object[] keys)	Provider limiting specified provider to specified keys.

Method Summary

Modifier and Type	Method	Description
Object	getCurrentRow()	Returns wrapped current row object.
int	getRowCount()	Return the number of rows of data objects represented by this DataModel.
int	getRowIndex()	Return the zero-relative index of the currently selected row.
String	getRowVariable()	Returns row variable name.
protected ITableContentProvider	getTableProvider()
boolean	isRowAvailable()	Return a flag indicating whether there is rowData available at the current rowIndex.
void	setRowIndex(int rowIndex)	Set the zero-relative index of the currently selected row, or -1 to indicate that we are not positioned on a row.
void	setRowVariable(String var)	Sets row variable name to use for accessing row specific data.

Methods inherited from class com.webmethods.caf.faces.data.object.LimitedPropertiesContentProvider

getKeys, getPropertyKeys, getProvider, getType, getValue, hasProperty, isReadOnly, setKeys, setProvider, setValue, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.webmethods.caf.faces.data.IContentProvider

getPropertyKeys, getType, getValue, hasProperty, toString

Constructor Details

LimitedPropertiesTableContentProvider

public LimitedPropertiesTableContentProvider()

Blank provider. Must be initialized with LimitedPropertiesContentProvider.setProvider(com.webmethods.caf.faces.data.IContentProvider) and LimitedPropertiesContentProvider.setKeys(java.lang.Object[]).

LimitedPropertiesTableContentProvider

public LimitedPropertiesTableContentProvider(ITableContentProvider provider,
 Object[] keys)

Provider limiting specified provider to specified keys.

Method Details

getRowCount

public int getRowCount()

Description copied from interface: ITableContentProvider

Return the number of rows of data objects represented by this DataModel.

Return -1, if the number of rows is unknown, or no wrappedData is available.

Specified by:

getRowCount in interface ITableContentProvider

See Also:

• DataModel.getRowCount()

getRowIndex

public int getRowIndex()

Description copied from interface: ITableContentProvider

Return the zero-relative index of the currently selected row.

If we are not currently positioned on a row, or no wrappedData is available, return -1.

Specified by:

getRowIndex in interface ITableContentProvider

See Also:

• DataModel.getRowIndex()

isRowAvailable

public boolean isRowAvailable()

Description copied from interface: ITableContentProvider

Return a flag indicating whether there is rowData available at the current rowIndex. If no wrappedData is available, return false.

Specified by:

isRowAvailable in interface ITableContentProvider

See Also:

• DataModel.isRowAvailable()

setRowIndex

public void setRowIndex(int rowIndex)

Description copied from interface: ITableContentProvider

Set the zero-relative index of the currently selected row, or -1 to indicate that we are not positioned on a row.

Specified by:

setRowIndex in interface ITableContentProvider

See Also:

• DataModel.getRowIndex()

getRowVariable

public String getRowVariable()

Description copied from interface: ITableContentProvider

Returns row variable name.

If specified row variable can be used to access current row data for the provider internal needs, like sorting or addressing.

Specified by:

getRowVariable in interface ITableContentProvider

Returns:

row variable name or null if not specified

See Also:

• ITableContentProvider.setRowVariable(String)

setRowVariable

public void setRowVariable(String var)

Description copied from interface: ITableContentProvider

Sets row variable name to use for accessing row specific data. For example, if the provider wrapps an array of a data objects with id property and the variable name is item, then the provider implementation can access id property of each record as item.id.

This property should set only once at the provider initialization time

Specified by:

setRowVariable in interface ITableContentProvider

getCurrentRow

public Object getCurrentRow()

Description copied from interface: ITableContentProvider

Returns wrapped current row object. Can be null if not data is available

Specified by:

getCurrentRow in interface ITableContentProvider

Returns:

current row object

See Also:

• ITableContentProvider.isRowAvailable()

getTableProvider

protected ITableContentProvider getTableProvider()