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public interface DataListener
DataListener is an event listener interface that supports
processing events produced by a corresponding DataProvider
instance. Specialized subinterfaces of this interface add support for
events produced by corresponding specialised DataProvider
instances
that implement specialized subinterfaces of that API.
Method Summary | |
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void |
providerChanged(DataProvider provider)
Process an event indicating that the DataProvider has changed in a way outside the bounds of the other event methods. |
void |
valueChanged(DataProvider provider,
FieldKey fieldKey,
java.lang.Object oldValue,
java.lang.Object newValue)
Process an event indicating that a data element's value has been changed. |
Method Detail |
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void valueChanged(DataProvider provider, FieldKey fieldKey, java.lang.Object oldValue, java.lang.Object newValue)
Process an event indicating that a data element's value has been changed.
provider
- DataProvider
containing the data element
that has had a value changefieldKey
- FieldKey
representing the specific
data element that has had a value changeoldValue
- The old value of this data elementnewValue
- The new value of this data elementvoid providerChanged(DataProvider provider)
Process an event indicating that the DataProvider has changed in a way outside the bounds of the other event methods.
provider
- The DataProvider that has changed
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