org.apache.ignite.internal.cache.query.index.sorted

Class IndexValueCursor<V>

java.lang.Object

org.apache.ignite.internal.cache.query.index.sorted.IndexValueCursor<V>

Type Parameters:

V - class represents of value stored in an index.

All Implemented Interfaces:

GridCursor<V>

public class IndexValueCursor<V>
extends Object
implements GridCursor<V>

Cursor over index values.

Field Summary

Fields

Modifier and Type	Field and Description
static GridCursor	EMPTY Empty cursor implementation.

Constructor Summary

Constructors

Constructor and Description
IndexValueCursor(GridCursor<IndexRow> delegate, Function<IndexRow,V> mapFunc)

Method Summary

Modifier and Type	Method and Description
V	get() Gets element at current position.
boolean	next() Attempt to move cursor position forward.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final GridCursor EMPTY

Empty cursor implementation.

Constructor Detail

IndexValueCursor

public IndexValueCursor(GridCursor<IndexRow> delegate,
                        Function<IndexRow,V> mapFunc)

Method Detail

next

public boolean next()
             throws IgniteCheckedException

Attempt to move cursor position forward.

Specified by:

next in interface GridCursor<V>

Returns:

true If we were able to move position of cursor forward.

Throws:

IgniteCheckedException - If failed.

get

public V get()
      throws IgniteCheckedException

Gets element at current position. Must be called only after successful GridCursor.next() call.

Specified by:

get in interface GridCursor<V>

Returns:

Element at current position.

Throws:

IgniteCheckedException - If failed.