| /* |
| * 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.processors.cache.persistence.snapshot; |
| |
| 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.ComputeJobResultPolicy; |
| import org.apache.ignite.compute.ComputeTaskAdapter; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Snapshot restore management task. |
| */ |
| abstract class SnapshotRestoreManagementTask extends ComputeTaskAdapter<String, Boolean> { |
| /** |
| * @param param Compute job argument. |
| * @return Compute job. |
| */ |
| protected abstract ComputeJob makeJob(String param); |
| |
| /** {@inheritDoc} */ |
| @Override public @NotNull Map<? extends ComputeJob, ClusterNode> map( |
| List<ClusterNode> subgrid, |
| String snpName |
| ) throws IgniteException { |
| Map<ComputeJob, ClusterNode> map = U.newHashMap(subgrid.size()); |
| |
| for (ClusterNode node : subgrid) |
| map.put(makeJob(snpName), node); |
| |
| return map; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Boolean reduce(List<ComputeJobResult> results) throws IgniteException { |
| boolean ret = false; |
| |
| for (ComputeJobResult r : results) { |
| if (r.getException() != null) |
| throw new IgniteException("Failed to execute job [nodeId=" + r.getNode().id() + ']', r.getException()); |
| |
| ret |= Boolean.TRUE.equals(r.getData()); |
| } |
| |
| return ret; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ComputeJobResultPolicy result(ComputeJobResult res, List<ComputeJobResult> rcvd) throws IgniteException { |
| // Handle all exceptions during the `reduce` operation. |
| return ComputeJobResultPolicy.WAIT; |
| } |
| } |