modules/core/src/test/java/org/apache/ignite/internal/client/thin/TestExceptionalTask.java

/*
 * 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.client.thin;

import java.util.List;
import java.util.Map;

import org.apache.ignite.IgniteException;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.compute.ComputeJob;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.compute.ComputeTaskAdapter;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Test compute task that throws an exception.
 */
public class TestExceptionalTask extends ComputeTaskAdapter<String, String> {
    /** {@inheritDoc} */
    @Override public @NotNull Map<? extends ComputeJob, ClusterNode> map(
            List<ClusterNode> subgrid,
            @Nullable String arg) throws IgniteException {
        throw new ArithmeticException("Foo");
    }

    /** {@inheritDoc} */
    @Nullable @Override public String reduce(List<ComputeJobResult> results) throws IgniteException {
        return null;
    }
}