mil.nga.geopackage.extension.index

Class FeatureTableIndex

java.lang.Object

mil.nga.geopackage.extension.BaseExtension

mil.nga.geopackage.extension.index.FeatureTableCoreIndex

mil.nga.geopackage.extension.index.FeatureTableIndex

public class FeatureTableIndex
extends FeatureTableCoreIndex

Feature Table Index NGA Extension implementation. This extension is used to index Geometries within a feature table by their minimum bounding box for bounding box queries. This extension is required to provide an index implementation when a SQLite version is used before SpatialLite support (Android).

Since:

1.1.0

Field Summary

Fields inherited from class mil.nga.geopackage.extension.index.FeatureTableCoreIndex

chunkLimit, EXTENSION_AUTHOR, EXTENSION_DEFINITION, EXTENSION_NAME, EXTENSION_NAME_NO_AUTHOR, progress, tolerance

Fields inherited from class mil.nga.geopackage.extension.BaseExtension

extensionsDao, geoPackage

Constructor Summary

Constructors

Constructor and Description
FeatureTableIndex(GeoPackage geoPackage, FeatureDao featureDao) Constructor

Method Summary

Modifier and Type	Method and Description
void	close() Close the table index
int	deleteIndex(FeatureRow row) Delete the index for the feature row
FeatureRow	getFeatureRow(GeometryIndex geometryIndex) Get the feature row for the Geometry Index
mil.nga.sf.proj.Projection	getProjection()
boolean	index(FeatureRow row) Index the feature row.
protected int	indexTable(TableIndex tableIndex)

Methods inherited from class mil.nga.geopackage.extension.index.FeatureTableCoreIndex

count, count, count, count, deleteIndex, deleteIndex, getBoundingBox, getBoundingBox, getChunkLimit, getColumnName, getExtension, getFeatureBoundingBox, getGeoPackage, getLastIndexed, getTableIndex, getTableName, getTolerance, index, index, index, isIndexed, query, query, query, query, queryBuilder, queryBuilder, setChunkLimit, setProgress, setTolerance, updateLastIndexed

Methods inherited from class mil.nga.geopackage.extension.BaseExtension

get, getExtensions, getExtensions, getExtensionsDao, getOrCreate, has, has, has

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureTableIndex

public FeatureTableIndex(GeoPackage geoPackage,
                         FeatureDao featureDao)

Constructor

Parameters:

geoPackage - GeoPackage

featureDao - feature dao

Method Detail

getProjection

public mil.nga.sf.proj.Projection getProjection()

Specified by:

getProjection in class FeatureTableCoreIndex

close

public void close()

Close the table index

index

public boolean index(FeatureRow row)

Index the feature row. This method assumes that indexing has been completed and maintained as the last indexed time is updated.

Parameters:

row - feature row

Returns:

true if indexed

indexTable

protected int indexTable(TableIndex tableIndex)

Specified by:

indexTable in class FeatureTableCoreIndex

deleteIndex

public int deleteIndex(FeatureRow row)

Delete the index for the feature row

Parameters:

row - feature row

Returns:

deleted rows, should be 0 or 1

getFeatureRow

public FeatureRow getFeatureRow(GeometryIndex geometryIndex)

Get the feature row for the Geometry Index

Parameters:

geometryIndex - geometry index

Returns:

feature row