| /* |
| * 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.platform; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.compute.ComputeJob; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.compute.ComputeJobResult; |
| import org.apache.ignite.compute.ComputeTaskAdapter; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Task collecting IDs of all nodes where it was executed. |
| */ |
| public class PlatformComputeBroadcastTask extends ComputeTaskAdapter<Object, Collection<UUID>> { |
| /** {@inheritDoc} */ |
| @NotNull @Override public Map<? extends ComputeJob, ClusterNode> map(List<ClusterNode> subgrid, @Nullable Object arg) { |
| Map<ComputeJob, ClusterNode> jobs = new HashMap<>(); |
| |
| for (ClusterNode node : subgrid) |
| jobs.put(new BroadcastJob(), node); |
| |
| return jobs; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public Collection<UUID> reduce(List<ComputeJobResult> results) { |
| List<UUID> ids = new ArrayList<>(); |
| |
| for (ComputeJobResult res : results) |
| ids.add((UUID)res.getData()); |
| |
| return ids; |
| } |
| |
| /** |
| * Job. |
| */ |
| private static class BroadcastJob extends ComputeJobAdapter { |
| /** */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public Object execute() { |
| try { |
| Thread.sleep(50); // Short sleep for cancellation tests. |
| } |
| catch (InterruptedException ignored) { |
| // No-op. |
| } |
| |
| return ignite.cluster().localNode().id(); |
| } |
| } |
| } |