com.altair.hwm.beans.utils
Class HWMBaseDataItem

java.lang.Object
  com.altair.hwm.beans.utils.HWMBaseDataItem

All Implemented Interfaces:

javax.infobus.DataItem, javax.infobus.DataItemChangeManager, javax.infobus.ImmediateAccess, javax.infobus.InfoBusPropertyMap

public class HWMBaseDataItem
extends java.lang.Object
implements javax.infobus.ImmediateAccess, javax.infobus.DataItem, javax.infobus.DataItemChangeManager, javax.infobus.InfoBusPropertyMap

Title: HWMBaseDataItem

Description: This is a generic DataItem class. Producer Beans using InfoBus can use this class as a base class or as a wrapper for the DataItems that they produce

Company: Altair Engineering, Inc.

Constructor Summary

HWMBaseDataItem()

HWMBaseDataItem(java.lang.Object objData, java.lang.String strDataItemName, javax.infobus.InfoBusEventListener infobusEvtListenerSrc)

Method Summary

void	addDataItemChangeListener(javax.infobus.DataItemChangeListener diChangeListener) Registers a DataItemChagnedListener so as to get events whenever the data changes
java.lang.Object	get(java.lang.Object key) Stub
java.awt.datatransfer.DataFlavor[]	getDataFlavors() Stub
java.lang.String	getPresentationString(java.util.Locale locale) Returns the data as a String
java.lang.Object	getProperty(java.lang.String strPropertyName) Returns a property or metadata information about the item.
javax.infobus.InfoBusEventListener	getSource() Returns the InfoBusEventListener which offers this DataItem on the InfoBus
java.awt.datatransfer.Transferable	getTransferable() Stub methods
java.lang.Object	getValueAsObject() Returns the data as an Object
java.lang.String	getValueAsString() Returns the data as a String
void	release() Stub
void	removeDataItemChangeListener(javax.infobus.DataItemChangeListener diChangeListener) Removes a DataItemChagnedListener so that the listener will not receive anymore events when data changes
void	setValue(java.lang.Object objData) Sets the Value property and sends a DataItemChangeEvent to all registered DataItemChangeListeners

Methods inherited from class java.lang.Object

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

Constructor Detail

HWMBaseDataItem

public HWMBaseDataItem()

HWMBaseDataItem

public HWMBaseDataItem(java.lang.Object objData,
                       java.lang.String strDataItemName,
                       javax.infobus.InfoBusEventListener infobusEvtListenerSrc)

Method Detail

setValue

public void setValue(java.lang.Object objData)

Sets the Value property and sends a DataItemChangeEvent to all registered DataItemChangeListeners

Specified by:

setValue in interface javax.infobus.ImmediateAccess

Parameters:

objData - The data object that needs to be passed on the infobus

getValueAsObject

public java.lang.Object getValueAsObject()

Returns the data as an Object

Specified by:

getValueAsObject in interface javax.infobus.ImmediateAccess

Returns:

Object the encapsulated data that needs to be put on the infobus

getValueAsString

public java.lang.String getValueAsString()

Returns the data as a String

Specified by:

getValueAsString in interface javax.infobus.ImmediateAccess

Returns:

String the encapsulated data as a String

getPresentationString

public java.lang.String getPresentationString(java.util.Locale locale)

Returns the data as a String

Specified by:

getPresentationString in interface javax.infobus.ImmediateAccess

Returns:

String the encapsulated data as a String

addDataItemChangeListener

public void addDataItemChangeListener(javax.infobus.DataItemChangeListener diChangeListener)

Registers a DataItemChagnedListener so as to get events whenever the data changes

Specified by:

addDataItemChangeListener in interface javax.infobus.DataItemChangeManager

Parameters:

diChangeListener - the Listener who is interested in an event whenever data changes

removeDataItemChangeListener

public void removeDataItemChangeListener(javax.infobus.DataItemChangeListener diChangeListener)

Removes a DataItemChagnedListener so that the listener will not receive anymore events when data changes

Specified by:

removeDataItemChangeListener in interface javax.infobus.DataItemChangeManager

Parameters:

diChangeListener - the Listener to remove

getTransferable

public java.awt.datatransfer.Transferable getTransferable()

Stub methods

getSource

public javax.infobus.InfoBusEventListener getSource()

Returns the InfoBusEventListener which offers this DataItem on the InfoBus

Specified by:

getSource in interface javax.infobus.DataItem

Returns:

the InfoBusEventListener source for this DataItem

getProperty

public java.lang.Object getProperty(java.lang.String strPropertyName)

Returns a property or metadata information about the item. It is recommended that the "Name" property be supported for announced data items, and that it return the String representing the data item name used for announcement or request. Support for other properties and the "Name" property for sub-items is optional.

Specified by:

getProperty in interface javax.infobus.DataItem

Parameters:

propertyName - - the name of the property requested. Property names must not contain the '*' character

Returns:

String This returns the name of the data item if strPropertyName = "name"

get

public java.lang.Object get(java.lang.Object key)

Stub

Specified by:

get in interface javax.infobus.InfoBusPropertyMap

getDataFlavors

public java.awt.datatransfer.DataFlavor[] getDataFlavors()

Stub

release

public void release()

Stub

Specified by:

release in interface javax.infobus.DataItem