org.geotools.event
Class GTDelta.Kind

java.lang.Object
  org.geotools.event.GTDelta.Kind

Enclosing class:

GTDelta

public static class GTDelta.Kind

extends java.lang.Object

Kind of Delta, used to indicate change.

Since:

2.2.M3

Field Summary

static GTDelta.Kind	ADDED The construct has been added (usually to a list) GTDelta defined values: getValue(): added value getOldValue(): null getPosition(): index in list, or NO_INDEX
static GTDelta.Kind	CHANGED The construct has been changed.
static GTDelta.Kind	NO_CHANGE Indicates no change.
static GTDelta.Kind	REMOVED The construct has been removed (usually from a list) GTDelta defined values: getValue(): value being removed getOldValue(): null getPosition(): index in list, or NO_INDEX Since REMOVED deltas are sent before the delete is performed getValue is still valid.

Constructor Summary

GTDelta.Kind()

Methods inherited from class java.lang.Object

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

Field Detail

NO_CHANGE

public static final GTDelta.Kind NO_CHANGE

Indicates no change.

GTDelta defined values:

• getValue(): unchanged value
• getOldValue(): null
• getPosition(): index in list, or NO_INDEX

May be considered a touch if it occurs as the last delta, usually just indicates that a child has undergone a change.

See Also:

GTDelta.getKind()

ADDED

public static final GTDelta.Kind ADDED

The construct has been added (usually to a list)

GTDelta defined values:

• getValue(): added value
• getOldValue(): null
• getPosition(): index in list, or NO_INDEX

See Also:

GTDelta.getKind()

REMOVED

public static final GTDelta.Kind REMOVED

The construct has been removed (usually from a list)

GTDelta defined values:

• getValue(): value being removed
• getOldValue(): null
• getPosition(): index in list, or NO_INDEX

Since REMOVED deltas are sent before the delete is performed getValue is still valid.

See Also:

GTDelta.getKind()

CHANGED

public static final GTDelta.Kind CHANGED

The construct has been changed.

GTDelta defined values:

• getValue(): current value
• getOldValue(): previous value (being replaced)
• getPosition(): index in list, or NO_INDEX

See Also:

GTDelta.getKind()

Constructor Detail

GTDelta.Kind

public GTDelta.Kind()