FeatureStateEvent (LuciadCPillar Java Android API documentation)

java.lang.Object

com.luciad.layers.features.FeatureStateEvent

All Implemented Interfaces:: AutoCloseable

public final class FeatureStateEvent extends Object implements AutoCloseable

This class is used by IFeatureStateObserver to pass information about FeatureState changes.

It allows you to inspect which features have been changed, and their new values. One call to FeatureStateManager#applyStateChange will result in one FeatureStateEvent instance.

See FeatureStateManager for a usage example.

Method Summary

Modifier and Type

Method

Description

void

close()

protected void

finalize()

boolean

getChange(FeatureState featureState, LayerFeatureId layerFeatureId)

Returns the new value of the feature state for the given feature.

List<@NotNull LayerFeatureId>

getChangedFeatures(FeatureState featureState)

Returns the list of features for which the given feature state has been changed.

List<@NotNull FeatureState>

getChangedFeatureStates()

Returns the list of feature states that has been changed for at least one Feature in this event.

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- finalize
  
  protected void finalize()
  
  Overrides:
  
  finalize in class Object
- close
  
  public void close()
  
  Specified by:
  
  close in interface AutoCloseable
- getChangedFeatureStates
  
  @NotNull public List<@NotNull FeatureState> getChangedFeatureStates()
  
  Returns the list of feature states that has been changed for at least one Feature in this event.
  
  Returns:
  
  the list of feature states that has been changed for at least one Feature in this event.
- getChangedFeatures
  
  @NotNull public List<@NotNull LayerFeatureId> getChangedFeatures(@NotNull FeatureState featureState)
  
  Returns the list of features for which the given feature state has been changed.
  
  Parameters:
  
  featureState - a feature state
  
  Returns:
  
  the list of features for which the given feature state has been changed.
- getChange
  
  public boolean getChange(@NotNull FeatureState featureState, @NotNull LayerFeatureId layerFeatureId)
  
  Returns the new value of the feature state for the given feature.
  
  Parameters:
  
  featureState - a feature state
  
  layerFeatureId - a feature
  
  Returns:
  
  the new value of the feature state for the given feature.