| java.lang.Object
 org.geotools.event.GTDeltaImpl
| GTDeltaImpl | | public class GTDeltaImpl implements GTDelta(Code) | | Describes the extent of changes.
The "delta" acts as a series of bread crumbs allowing you the listener to
figure out what changed where.
since:
2.2.M3 |
| Constructor Summary | |
| public | GTDeltaImpl(GTNote notification, Object before, Object after)
Does the right thing, aka magic. | | public | GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue)
Create a delta, with no children. | | public | GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue, GTDelta delta)
Create a delta with with a list element child delta. | | public | GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue, List children)
Create a delta, completely specifying all values. |
| GTDeltaImpl | | public GTDeltaImpl(GTNote notification, Object before, Object after)(Code) | | Does the right thing, aka magic.
This constructor is provided to make things easier, if your experience
is not magic please skip this and try the next constructor.
Magic:
-
NO_CHANGE: before == null after == null
-
NO_CHANGE: before == after
-
REMOVED: before == obj after == null
-
ADDED: before == null after == obj
-
CHANGED: before != after
Parameters:
notification -
Parameters:
before -
Parameters:
after - |
| GTDeltaImpl | | public GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue)(Code) | | Create a delta, with no children.
Parameters:
notification -
Parameters:
kind -
Parameters:
value -
Parameters:
oldValue - |
| GTDeltaImpl | | public GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue, GTDelta delta)(Code) | | Create a delta with with a list element child delta.
This can be used to communicate a batch of changes, such as adding and
removing sections from a list, or the results of a transformation.
Parameters:
notification -
Parameters:
kind -
Parameters:
value -
Parameters:
oldValue -
Parameters:
delta - |
| GTDeltaImpl | | public GTDeltaImpl(GTNote notification, Kind kind, Object value, Object oldValue, List children)(Code) | | Create a delta, completely specifying all values.
Parameters:
notification -
Parameters:
kind -
Parameters:
value -
Parameters:
oldValue -
Parameters:
children - |
| getKind | | public Kind getKind()(Code) | | |
| getPosition | | public int getPosition()(Code) | | |
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