org.apache.ignite.internal.processors.query.h2.dml

Class FastUpdate

java.lang.Object

org.apache.ignite.internal.processors.query.h2.dml.FastUpdate

public final class FastUpdate
extends Object

Arguments for fast, query-less UPDATE or DELETE - key and, optionally, value and new value.

Method Summary

Modifier and Type	Method and Description
static FastUpdate	create(GridSqlElement key, GridSqlElement val, GridSqlElement newVal) Create fast update instance.
UpdateResult	execute(GridCacheAdapter cache, Object[] args) Perform single cache operation based on given args.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static FastUpdate create(GridSqlElement key,
                                GridSqlElement val,
                                @Nullable
                                GridSqlElement newVal)

Create fast update instance.

Parameters:

key - Key element.

val - Value element.

newVal - New value element (if any)

Returns:

Fast update.

execute

public UpdateResult execute(GridCacheAdapter cache,
                            Object[] args)
                     throws IgniteCheckedException

Perform single cache operation based on given args.

Parameters:

cache - Cache.

args - Query parameters.

Returns:

1 if an item was affected, 0 otherwise.

Throws:

IgniteCheckedException - if failed.