org.esa.beam.framework.datamodel
Class ProductNodeEvent

java.lang.Object
  java.util.EventObject
      org.esa.beam.framework.datamodel.ProductNodeEvent

All Implemented Interfaces:

Serializable

public class ProductNodeEvent
extends EventObject

A product node event informs a product change listener about the source of the notification.

Version:

$Revision$ $Date$

Author:

Norman Fomferra

See Also:

ProductNodeListener, Serialized Form

Field Summary

static int	NODE_ADDED
static int	NODE_CHANGED
static int	NODE_DATA_CHANGED
static int	NODE_REMOVED

Fields inherited from class java.util.EventObject

source

Constructor Summary

ProductNodeEvent(ProductNode sourceNode, int type)
Constructs a product node event.

ProductNodeEvent(ProductNode sourceNode, int type, ProductNodeGroup nodeGroup)
Constructs a product node event.

ProductNodeEvent(ProductNode sourceNode, String propertyName, Object oldValue, Object newValue)
Constructs a productEvent object.

Method Summary

ProductNodeGroup	getGroup()
Object	getNewValue() Gets the new property value if this is a property change event.
Object	getOldValue() Gets the old property value if this is a property change event.
String	getPropertyName() Gets the name of the property that was changed.
ProductNode	getSourceNode()
int	getType()
String	toString()

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

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

Field Detail

NODE_CHANGED

public static final int NODE_CHANGED

See Also:

Constant Field Values

NODE_ADDED

public static final int NODE_ADDED

See Also:

Constant Field Values

NODE_REMOVED

public static final int NODE_REMOVED

See Also:

Constant Field Values

NODE_DATA_CHANGED

public static final int NODE_DATA_CHANGED

See Also:

Constant Field Values

Constructor Detail

ProductNodeEvent

public ProductNodeEvent(ProductNode sourceNode,
                        int type)

Constructs a product node event.

Parameters:

sourceNode - The product node on which the Event initially occurred.

type - the event type

ProductNodeEvent

public ProductNodeEvent(ProductNode sourceNode,
                        int type,
                        ProductNodeGroup nodeGroup)

Constructs a product node event.

Parameters:

sourceNode - The product node on which the Event initially occurred.

type - the event type

nodeGroup - If event type is NODE_ADDED or NODE_REMOVED this is the parent group to which the source node was added to or removed from.

ProductNodeEvent

public ProductNodeEvent(ProductNode sourceNode,
                        String propertyName,
                        Object oldValue,
                        Object newValue)

Constructs a productEvent object.

Parameters:

sourceNode - The product node whose property has changed

propertyName - The name of the property that was changed.

oldValue - The old value.

newValue - The new value.

Method Detail

getType

public int getType()

Returns:

The event type.

getSourceNode

public final ProductNode getSourceNode()

Returns:

A reference to the originating product node, i.e. the one who fired the event.

getGroup

public ProductNodeGroup getGroup()

Returns:

A reference to the group on which a NODE_ADDED or NODE_REMOVED event occurred. May be null.

getPropertyName

public String getPropertyName()

Gets the name of the property that was changed.

Returns:

the name of the property that was changed.

getOldValue

public Object getOldValue()

Gets the old property value if this is a property change event.

Returns:

the old value.

getNewValue

public Object getNewValue()

Gets the new property value if this is a property change event.

Returns:

the new value.

toString

public String toString()

Overrides:

toString in class EventObject