GeoPackageFeatureTable

class GeoPackageFeatureTable : FeatureTable

An object that represents a GeoPackage feature table. A GeoPackageFeatureTable supports core GeoPackage geometry types and represents them as Point, Multipoint, Polyline, or Polygon. The GeoPackage specification supports a geometry collection type (storing a variety of core geometry types in a single table). For these tables, the first geometry type found in the collection is rendered. All features can be queried in the table regardless the geometry type displayed.

Functions

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suspend fun addFeature(feature: Feature): Result<Unit>

Adds a feature to the table. Adding a feature that contains a Geometry causes the geometry to become simplified. This may change a single part geometry to a multipart geometry, or round off X, Y, Z, and M coordinate values that are above the resolution set by the SpatialReference.

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suspend fun addFeatures(features: Iterable<Feature>): Result<Unit>

Adds a collection of features to the table.

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fun canAdd(): Boolean

Determines whether you can add a feature to a table.

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open override fun cancelLoad()

Cancels loading metadata for the Loadable object.

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fun canDelete(feature: Feature): Boolean

Determines whether you can delete a feature from a table.

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fun canEditGeometry(): Boolean

Determines whether you can edit the geometry field in a table.

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fun canUpdate(feature: Feature): Boolean

Determines whether you can update a feature in a table.

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fun createFeature(): Feature

Creates a new empty feature. The new feature is only available in memory at this point. Execute FeatureTable.addFeature(Feature) to commit the new Feature to the table.

fun createFeature(attributes: Map<String, Any?>, geometry: Geometry?): Feature

Creates a new feature with the provided attribute values and, optionally, geometry. The new feature is only available in memory at this point. Execute FeatureTable.addFeature(Feature) to commit the new Feature to the table.

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suspend fun deleteFeature(feature: Feature): Result<Unit>

Deletes a feature from the table. Deleting a feature from a GeodatabaseFeatureTable in a stand-alone mobile geodatabase created with ArcGIS Pro is not supported when the table participates in a controller dataset, such as a utility network or parcel fabric. Use FeatureTable.canDelete(Feature) to determine if this operation is allowed.

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suspend fun deleteFeatures(features: Iterable<Feature>): Result<Unit>

Deletes a collection of features from the table.

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fun getField(fieldName: String): Field?

Retrieves the field with the given name.

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open suspend override fun load(): Result<Unit>

Loads the metadata for the object.

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suspend fun queryExtent(queryParameters: QueryParameters): Result<Geometry>

Determines the minimum bounding envelope that contains features satisfying the provided query parameters. If no features meet the query criteria, an empty envelope is returned.

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suspend fun queryFeatureCount(queryParameters: QueryParameters): Result<Long>

Determines the count of features that satisfy the provided query parameters.

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suspend fun queryFeatures(parameters: QueryParameters): Result<FeatureQueryResult>

Submits a query against the table.

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suspend fun queryStatistics(statisticsQueryParameters: StatisticsQueryParameters): Result<StatisticsQueryResult>

Calculates values for the requested statistics. Statistics query parameters may also define fields on which results are grouped or sorted.

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open suspend override fun retryLoad(): Result<Unit>

Loads or retries loading metadata for the object.

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suspend fun updateFeature(feature: Feature): Result<Unit>

Updates a feature in the table. If you update a feature that contains a Geometry, the geometry becomes simplified. This may change a single part geometry to a multipart geometry, or round X, Y, Z, and M coordinate values that are above the resolution set by the SpatialReference.

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suspend fun updateFeatures(features: Iterable<Feature>): Result<Unit>

Updates a collection of features in the table.

Properties

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val description: String

A description of the GeoPackage feature table.

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var displayName: String

A user-friendly name that can be displayed in the UI (for example, in a Table of Contents). If the table is displayed with a FeatureLayer, the FeatureTable.getDisplayName() is used as the FeatureLayer.getName().

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val extent: Envelope?
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open val fields: List<Field>

The collection of Field objects representing the fields of the feature table.

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open val geometryType: GeometryType

The type of geometry of the features stored in this table. If FeatureTable.getHasGeometry() is false, then the geometry type is GeometryType.Unknown.

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val geoPackage: GeoPackage?
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val hasGeometry: Boolean

True if the feature table supports geographic features, false otherwise.

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val hasM: Boolean

True if the feature table supports geometries with M values, false otherwise.

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val hasZ: Boolean

True if the feature table supports geometries with Z values, false otherwise.

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val isEditable: Boolean

True if this feature table is editable, false otherwise. Underlying file permissions (for subclasses such as ShapefileFeatureTable and GeodatabaseFeatureTable) can be changed while the feature table is open. In these cases the value of this property may not be accurate.

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open override var isPopupEnabled: Boolean

A flag indicating whether the PopupDefinition defined on the PopupSource is enable / disable. Will return false if an error occurs.

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val layer: Layer?
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open override val loadStatus: StateFlow<LoadStatus>

The load status.

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val numberOfFeatures: Long

The number of features in the table. If all the features are stored in the local table, for example with a GeodatabaseFeatureTable or a ShapefileFeatureTable, then the FeatureTable.getNumberOfFeatures() will return the full number of features.

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open override var popupDefinition: PopupDefinition?

The pop-up definition. The PopupDefinition associated with the popup source. A null if an error occurs or if the popup source is not associated with a pop-up definition.

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open val spatialReference: SpatialReference?
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val tableName: String

The name of the table in the source dataset.