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

Class DataModelTableContentProvider<E>

java.lang.Object

com.webmethods.caf.faces.bean.PageFlowScopeAdapter

com.webmethods.caf.faces.data.object.DataModelTableContentProvider<E>

All Implemented Interfaces:

IPageFlowScopeAdapter, IContentProvider, ITableContentProvider

public class DataModelTableContentProvider<E>
extends PageFlowScopeAdapter
implements ITableContentProvider

DataModel adapter for a ITableContentProvider.

Used internally by table control to adapt DataModel objects to ITableContentProvider.

Field Summary

Fields

Modifier and Type	Field	Description
protected DataModel<E>	m_model
protected String	m_var

Fields inherited from class com.webmethods.caf.faces.bean.PageFlowScopeAdapter

fExpireWithPageFlow

Constructor Summary

Constructors

Constructor	Description
DataModelTableContentProvider()	Default constructor.
DataModelTableContentProvider(DataModel<E> model)	Construct a new instance and set the data model accordingly.

Method Summary

Modifier and Type	Method	Description
Object	getCurrentRow()	Returns current row.
DataModel<E>	getModel()
Object[]	getPropertyKeys()	Returns list of properties supported by this content provider.
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.
Class<?>	getType(Object propertyKey)	Returns java type of the given property
Object	getValue(Object propertyKey)	Returns value of the given property
boolean	hasProperty(Object propertyKey)	Checks if the given property is supported by this content provider
boolean	isReadOnly(Object propertyKey)
boolean	isRowAvailable()	Return a flag indicating whether there is rowData available at the current rowIndex.
void	setModel(DataModel<E> model)
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)	Set row variable name
void	setValue(Object propertyKey, Object value)	Set value for the property specified for the current row
String	toString()	Returns string representation of content.

Methods inherited from class com.webmethods.caf.faces.bean.PageFlowScopeAdapter

getExpireWithPageFlow, setExpireWithPageFlow

Methods inherited from class java.lang.Object

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

Field Details

m_model

protected DataModel<E> m_model

m_var

protected String m_var

Constructor Details

DataModelTableContentProvider

public DataModelTableContentProvider()

Default constructor.

DataModelTableContentProvider

public DataModelTableContentProvider(DataModel<E> model)

Construct a new instance and set the data model accordingly.

Parameters:

model -

Method Details

toString

public String toString()

Description copied from interface: IContentProvider

Returns string representation of content.

Specified by:

toString in interface IContentProvider

Overrides:

toString in class Object

Returns:

String representation of the wrapped content

getPropertyKeys

public Object[] getPropertyKeys()

Description copied from interface: IContentProvider

Returns list of properties supported by this content provider. Can return Object[0], never null.

Specified by:

getPropertyKeys in interface IContentProvider

Returns:

array of property keys which is typically of type String or Integer

getType

public Class<?> getType(Object propertyKey)
                 throws PropertyNotFoundException

Description copied from interface: IContentProvider

Returns java type of the given property

Specified by:

getType in interface IContentProvider

Parameters:

propertyKey - the property key of type String or Integer

Returns:

property java Class

Throws:

PropertyNotFoundException - if property is not supported

getValue

public Object getValue(Object propertyKey)
                throws ELException,
PropertyNotFoundException

Description copied from interface: IContentProvider

Returns value of the given property

Specified by:

getValue in interface IContentProvider

Parameters:

propertyKey - the property key of type String or Integer

Returns:

value of the property, can be null

Throws:

PropertyNotFoundException - if property is not supported

ELException

hasProperty

public boolean hasProperty(Object propertyKey)

Description copied from interface: IContentProvider

Checks if the given property is supported by this content provider

Specified by:

hasProperty in interface IContentProvider

Parameters:

propertyKey - property key of type String or Integer

Returns:

true if property is supported

isReadOnly

public boolean isReadOnly(Object propertyKey)
                   throws ELException,
PropertyNotFoundException

Returns:

the flag indicates whether the property for the current row is read only or not

Throws:

PropertyNotFoundException - if the current row is null

ELException

See Also:

• ContentProviderUtils.isReadOnly(Object, Object)

setValue

public void setValue(Object propertyKey,
 Object value)
              throws ELException,
PropertyNotFoundException

Set value for the property specified for the current row

Parameters:

propertyKey -

value -

Throws:

EvaluationException

PropertyNotFoundException

ELException

See Also:

• ContentProviderUtils.setValue(Object, Object, Object)

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.setRowIndex(int)

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

See Also:

• ITableContentProvider.setRowVariable(String)

setRowVariable

public void setRowVariable(String var)

Set row variable name

Specified by:

setRowVariable in interface ITableContentProvider

getCurrentRow

public Object getCurrentRow()

Returns current row. If no row is current, returns first row. If doesn't have first row, returns null.

Specified by:

getCurrentRow in interface ITableContentProvider

Returns:

current row object

See Also:

• ITableContentProvider.isRowAvailable()

getModel

public DataModel<E> getModel()

setModel

public void setModel(DataModel<E> model)