Geomajas Community Documentation
Vector layers and the data contained within are accessible using the vector layer service. You should not try to access the layers directly. This service assures that the security constraints are adhered. Following access methods are available
void saveOrUpdate(String layerId,
CoordinateReferenceSystem crs, List<InternalFeature>
oldFeatures, List<InternalFeature> newFeatures) throws
GeomajasException
: allows creating or updating several
features. You have to pass both the old features (null or the
feature before it was modified) and the new value of the feature.
The two are at compared to determine whether to create, update or
delete.
List<InternalFeature> getFeatures(String
layerId, CoordinateReferenceSystem crs, Filter filter,
NamedStyleInfo style, int featureIncludes) throws
GeomajasException
: read all features from the layer which
match the filter. You can specify which aspects of the feature
need to be set.
List<InternalFeature> getFeatures(String
layerId, CoordinateReferenceSystem crs, Filter filter,
NamedStyleInfo style, int featureIncludes, int offset, int
maxResultSize) throws GeomajasException
: read a batch of
features from the layer which match the filter. You can specify
which aspects of the feature need to be set..
Envelope getBounds(String layerId,
CoordinateReferenceSystem crs, Filter filter) throws
GeomajasException
: get the bounds of the visible features
which match the filter. This can be useful for fit-to-page like
functionality.
List<Attribute<?>> getAttributes(String
layerId, String attributeName, Filter filter) throws
GeomajasException
: get the list of possible attribute
values.
InternalTile getTile(TileMetadata tileMetadata) throws
GeomajasException
: get a vector tile.