/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.ignite.compute; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * This annotation allows task to specify what SPIs it wants to use. * Starting with {@code Ignite 2.1} you can start multiple instances * of {@link org.apache.ignite.spi.loadbalancing.LoadBalancingSpi}, * {@link org.apache.ignite.spi.failover.FailoverSpi}, and {@link org.apache.ignite.spi.checkpoint.CheckpointSpi}. If you do that, * you need to tell a task which SPI to use (by default it will use the fist * SPI in the list). */ @SuppressWarnings({"JavaDoc"}) @Documented @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.TYPE}) public @interface ComputeTaskSpis { /** * Optional load balancing SPI name. By default, SPI name is equal * to the name of the SPI class. You can change SPI name by explicitly * supplying {@link org.apache.ignite.spi.IgniteSpi#getName()} parameter in grid configuration. */ public String loadBalancingSpi() default ""; /** * Optional failover SPI name. By default, SPI name is equal * to the name of the SPI class. You can change SPI name by explicitly * supplying {@link org.apache.ignite.spi.IgniteSpi#getName()} parameter in grid configuration. */ public String failoverSpi() default ""; /** * Optional checkpoint SPI name. By default, SPI name is equal * to the name of the SPI class. You can change SPI name by explicitly * supplying {@link org.apache.ignite.spi.IgniteSpi#getName()} parameter in grid configuration. */ public String checkpointSpi() default ""; }