| /* |
| * 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.internal; |
| |
| import java.io.Serializable; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteException; |
| 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.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.junit.Test; |
| |
| /** |
| * Tests instantiation of various task types (defined as private inner class, without default constructor, non-public |
| * default constructor). |
| */ |
| @GridCommonTest(group = "Kernal Self") |
| public class GridTaskInstantiationSelfTest extends GridCommonAbstractTest { |
| /** |
| * Constructor. |
| */ |
| public GridTaskInstantiationSelfTest() { |
| super(true); |
| } |
| |
| /** |
| * @throws Exception If an error occurs. |
| */ |
| @Test |
| public void testTasksInstantiation() throws Exception { |
| grid().compute().execute(PrivateClassTask.class, null); |
| |
| grid().compute().execute(NonPublicDefaultConstructorTask.class, null); |
| |
| try { |
| grid().compute().execute(NoDefaultConstructorTask.class, null); |
| |
| assert false : "Exception should have been thrown."; |
| } |
| catch (Exception e) { |
| info("Caught expected exception: " + e); |
| } |
| } |
| |
| /** |
| * Test task defined as private inner class. |
| */ |
| private static class PrivateClassTask extends ComputeTaskAdapter<String, Object> { |
| /** Ignite instance. */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** {@inheritDoc} */ |
| @NotNull @Override public Map<? extends ComputeJob, ClusterNode> map(List<ClusterNode> subgrid, |
| @Nullable String arg) { |
| for (ClusterNode node : subgrid) |
| if (node.id().equals(ignite.configuration().getNodeId())) |
| return Collections.singletonMap(new ComputeJobAdapter() { |
| @Override public Serializable execute() { |
| return null; |
| } |
| }, node); |
| |
| throw new IgniteException("Local node not found."); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object reduce(List<ComputeJobResult> results) { |
| return null; |
| } |
| } |
| |
| /** |
| * Test task defined with non-public default constructor. |
| */ |
| @SuppressWarnings({"PublicInnerClass"}) |
| public static final class NonPublicDefaultConstructorTask extends PrivateClassTask { |
| /** |
| * No-op constructor. |
| */ |
| private NonPublicDefaultConstructorTask() { |
| // No-op. |
| } |
| } |
| |
| /** |
| * Test task defined without default constructor. |
| */ |
| @SuppressWarnings({"PublicInnerClass"}) |
| public static final class NoDefaultConstructorTask extends PrivateClassTask { |
| /** |
| * No-op constructor. |
| * |
| * @param param Some parameter. |
| */ |
| @SuppressWarnings({"unused"}) |
| private NoDefaultConstructorTask(Object param) { |
| // No-op. |
| } |
| } |
| } |