Package mil.nga.geopackage.features.user

Class FeatureCursor

java.lang.Object

android.database.CursorWrapper

mil.nga.geopackage.db.CursorResult

mil.nga.geopackage.user.UserCursor<FeatureColumn,FeatureTable,FeatureRow>

mil.nga.geopackage.features.user.FeatureCursor

All Implemented Interfaces:

Cursor, Closeable, AutoCloseable, Result, UserCoreResult<FeatureColumn,FeatureTable,FeatureRow>

Direct Known Subclasses:

FeatureIndexerIdCursor

public class FeatureCursor
extends UserCursor<FeatureColumn,FeatureTable,FeatureRow>

Feature Cursor to wrap a database cursor for feature queries

Field Summary

Fields inherited from interface android.database.Cursor

FIELD_TYPE_BLOB, FIELD_TYPE_FLOAT, FIELD_TYPE_INTEGER, FIELD_TYPE_NULL, FIELD_TYPE_STRING

Constructor Summary

Constructors

Constructor	Description
FeatureCursor(FeatureTable table, Cursor cursor)	Constructor
FeatureCursor(FeatureTable table, String[] columns, Cursor cursor)	Constructor

Method Summary

Modifier and Type	Method	Description
protected UserInvalidCursor<FeatureColumn,FeatureTable,FeatureRow,? extends UserCursor<FeatureColumn,FeatureTable,FeatureRow>,? extends UserDao<FeatureColumn,FeatureTable,FeatureRow,? extends UserCursor<FeatureColumn,FeatureTable,FeatureRow>>>	createInvalidCursor(UserDao dao, UserCursor cursor, List<Integer> invalidPositions, List<FeatureColumn> blobColumns)	Create an invalid cursor
void	enableInvalidRequery(FeatureDao dao)	Enable requery attempt of invalid rows after iterating through original query rows.
FeatureColumns	getColumns()
GeoPackageGeometryData	getGeometry()	Get the geometry
FeatureRow	getRow(int[] columnTypes, Object[] values)
Object	getValue(FeatureColumn column)	Handles geometries

Methods inherited from class mil.nga.geopackage.user.UserCursor

close, enableInvalidRequery, getCount, getId, getInvalidPositions, getQuery, getRow, getTable, getTableName, getValue, getValue, getValue, hasInvalidPositions, moveToNext, setColumns, setQuery, setTable

Methods inherited from class mil.nga.geopackage.db.CursorResult

wasNull

Methods inherited from class android.database.CursorWrapper

copyStringToBuffer, deactivate, getBlob, getColumnCount, getColumnIndex, getColumnIndexOrThrow, getColumnName, getColumnNames, getDouble, getExtras, getFloat, getInt, getLong, getNotificationUri, getNotificationUris, getPosition, getShort, getString, getType, getWantsAllOnMoveCalls, getWrappedCursor, isAfterLast, isBeforeFirst, isClosed, isFirst, isLast, isNull, move, moveToFirst, moveToLast, moveToPosition, moveToPrevious, registerContentObserver, registerDataSetObserver, requery, respond, setExtras, setNotificationUri, setNotificationUris, unregisterContentObserver, unregisterDataSetObserver

Methods inherited from class java.lang.Object

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

Methods inherited from interface mil.nga.geopackage.db.Result

getBlob, getColumnCount, getColumnIndex, getDouble, getFloat, getInt, getLong, getPosition, getShort, getString, getType, moveToFirst, moveToPosition, wasNull

Constructor Detail

FeatureCursor

public FeatureCursor(FeatureTable table,
                     Cursor cursor)

Constructor

Parameters:

table - feature table

cursor - cursor

FeatureCursor

public FeatureCursor(FeatureTable table,
                     String[] columns,
                     Cursor cursor)

Constructor

Parameters:

table - feature table

columns - columns

cursor - cursor

Since:

3.5.0

Method Detail

getRow

public FeatureRow getRow(int[] columnTypes,
                         Object[] values)

getValue

public Object getValue(FeatureColumn column)

Handles geometries

Specified by:

getValue in interface UserCoreResult<FeatureColumn,FeatureTable,FeatureRow>

Overrides:

getValue in class UserCursor<FeatureColumn,FeatureTable,FeatureRow>

getColumns

public FeatureColumns getColumns()

Specified by:

getColumns in interface UserCoreResult<FeatureColumn,FeatureTable,FeatureRow>

Overrides:

getColumns in class UserCursor<FeatureColumn,FeatureTable,FeatureRow>

getGeometry

public GeoPackageGeometryData getGeometry()

Get the geometry

Returns:

geometry data

enableInvalidRequery

public void enableInvalidRequery(FeatureDao dao)

Enable requery attempt of invalid rows after iterating through original query rows. Only supported for UserCursor.moveToNext() and UserCursor.getRow() usage.

Parameters:

dao - data access object used to perform requery

Since:

2.0.0

createInvalidCursor

protected UserInvalidCursor<FeatureColumn,FeatureTable,FeatureRow,? extends UserCursor<FeatureColumn,FeatureTable,FeatureRow>,? extends UserDao<FeatureColumn,FeatureTable,FeatureRow,? extends UserCursor<FeatureColumn,FeatureTable,FeatureRow>>> createInvalidCursor(UserDao dao,
                                                                                                                                                                                                                                                                                                                                          UserCursor cursor,
                                                                                                                                                                                                                                                                                                                                          List<Integer> invalidPositions,
                                                                                                                                                                                                                                                                                                                                          List<FeatureColumn> blobColumns)

Create an invalid cursor

Specified by:

createInvalidCursor in class UserCursor<FeatureColumn,FeatureTable,FeatureRow>

Parameters:

dao - data access object

cursor - user cursor

invalidPositions - invalid positions

blobColumns - blob columns

Returns:

invalid cursor