public static interface IlvPolylineMergerDataSource.IlvGraphicIdentifier
// Create an object that implements IlvPolylineMergerDataSource.IlvGraphicIdentifier // For instance, the identifier returns the value of the field "STREETNAME" if any IlvPolylineMergerDataSource.IlvGraphicIdentifier identifier = new IlvPolylineMergerDataSource.IlvGraphicIdentifier() { public String getIdentifierPropertyName() { return "STREETNAME"; } public Object getIdentifier(IlvGraphic component) { if (component != null) { IlvAttributeProperty properties = (IlvAttributeProperty) component.getNamedProperty(IlvAttributeProperty.NAME); if (properties instanceof IlvFeatureAttributeProperty) { try { return ((IlvFeatureAttributeProperty)properties).getAttribute(getIdentifierPropertyName()); } catch (IllegalArgumentException e){ // if property does not exist } } } return null; } IlvMapDataSource newSource=new IlvPolylineMergerDataSource(oldSource,identifier); IlvMapDataSourceModel dsm = IlvMapDataSourceProperty.getMapDataSourceModel(manager); dsm.addChild(reader);
Modifier and Type | Method and Description |
---|---|
Object |
getIdentifier(IlvGraphic graphic)
Identifies this
|
String |
getIdentifierPropertyName()
Returns the property name (to reintroduce into the merged object)
|
Object getIdentifier(IlvGraphic graphic)
graphic
- The object to identify.String getIdentifierPropertyName()
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