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Oracle Fusion Middleware Java API Reference for Oracle Data Visualization Components 11g Release 1 (11.1.1) E12063-03 |
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java.lang.Object
java.util.EventObject
oracle.dss.util.DataAvailableEvent
public class DataAvailableEvent
Describes a change in the availability of data. Data providers fire this event to provide a usable DataAccess
to a view and to notify the view when the DataAccess
is no longer usable. Views listen for this event in order to remain current with the data provider.
Field Summary | |
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protected DataAccess |
_provider |
protected int |
_type |
static int |
DATA_AVAILABLE Data is now available. |
static int |
DATA_UNAVAILABLE Data is no longer available. |
Fields inherited from class java.util.EventObject |
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source |
Constructor Summary | |
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DataAvailableEvent(java.lang.Object source, DataAccess provider) Constructor for data availability only. |
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DataAvailableEvent(java.lang.Object source, int type, DataAccess provider) Constructor for specifying either availability or unavailability. |
Method Summary | |
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DataAccess |
getDataAccess() Retrieves the DataAccess for this event. |
int |
getType() Retrieves the type of change in availability. |
Methods inherited from class java.util.EventObject |
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getSource, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final int DATA_AVAILABLE
public static final int DATA_UNAVAILABLE
protected int _type
protected DataAccess _provider
Constructor Detail |
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public DataAvailableEvent(java.lang.Object source, int type, DataAccess provider)
source
- The source of this event.type
- A constant that specifies whether the data is available or unavailable.provider
- The DataAccess
. If type
is DATA_AVAILABLE
, the DataAccess
that provides access to the data. If type
is DATA_UNAVAILABLE
, the DataAccess
that did provide access to the data but is no longer usable.public DataAvailableEvent(java.lang.Object source, DataAccess provider)
source
- The source of this event.provider
- The DataAccess
that provides access to the data.Method Detail |
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public int getType()
public DataAccess getDataAccess()
DataAccess
for this event.DataAccess
that provides access to the data (if the getType
method returns DATA_AVAILABLE
), or that is no longer usable (if the getType
method returns DATA_UNAVAILABLE
).
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Oracle Fusion Middleware Java API Reference for Oracle Data Visualization Components 11g Release 1 (11.1.1) E12063-03 |
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