org.apache.ibatis.cursor

Interface Cursor<T>

All Superinterfaces:

AutoCloseable, Closeable, Iterable<T>

All Known Implementing Classes:

DefaultCursor

public interface Cursor<T>
extends Closeable, Iterable<T>

Cursor contract to handle fetching items lazily using an Iterator. Cursors are a perfect fit to handle millions of items queries that would not normally fits in memory. If you use collections in resultMaps then cursor SQL queries must be ordered (resultOrdered="true") using the id columns of the resultMap.

Author:

Guillaume Darmont / guillaume@dropinocean.com

Method Summary

Modifier and Type	Method and Description
int	getCurrentIndex() Get the current item index.
boolean	isConsumed()
boolean	isOpen()

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

isOpen

boolean isOpen()

Returns:

true if the cursor has started to fetch items from database.

isConsumed

boolean isConsumed()

Returns:

true if the cursor is fully consumed and has returned all elements matching the query.

getCurrentIndex

int getCurrentIndex()

Get the current item index. The first item has the index 0.

Returns:

-1 if the first cursor item has not been retrieved. The index of the current item retrieved.