| /** |
| * Licensed 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.aurora.scheduler.updater; |
| |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableRangeSet; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Range; |
| import com.google.common.collect.Sets; |
| |
| import org.apache.aurora.gen.JobUpdateStatus; |
| import org.apache.aurora.gen.apiConstants; |
| import org.apache.aurora.scheduler.storage.entities.IInstanceTaskConfig; |
| import org.apache.aurora.scheduler.storage.entities.IJobUpdateDetails; |
| import org.apache.aurora.scheduler.storage.entities.IRange; |
| import org.apache.aurora.scheduler.storage.entities.ITaskConfig; |
| |
| import static org.apache.aurora.scheduler.base.Numbers.toRange; |
| |
| /** |
| * Utility functions for job updates. |
| */ |
| public final class Updates { |
| private Updates() { |
| // Utility class. |
| } |
| |
| /** |
| * Different states that an active job update may be in. |
| */ |
| public static final Set<JobUpdateStatus> ACTIVE_JOB_UPDATE_STATES = |
| Sets.immutableEnumSet(apiConstants.ACTIVE_JOB_UPDATE_STATES); |
| |
| /** |
| * Creates a range set representing all instance IDs represented by a set of instance |
| * configurations included in a job update. |
| * |
| * @param configs Job update components. |
| * @return A range set representing the instance IDs mentioned in instance groupings. |
| */ |
| public static ImmutableRangeSet<Integer> getInstanceIds(Set<IInstanceTaskConfig> configs) { |
| ImmutableRangeSet.Builder<Integer> builder = ImmutableRangeSet.builder(); |
| for (IInstanceTaskConfig config : configs) { |
| for (IRange range : config.getInstances()) { |
| builder.add(Range.closed(range.getFirst(), range.getLast())); |
| } |
| } |
| |
| return builder.build(); |
| } |
| |
| /** |
| * Get the config from a set of {@link IInstanceTaskConfig} for a given instance ID if it exists. |
| */ |
| public static Optional<ITaskConfig> getConfig( |
| int id, |
| Set<IInstanceTaskConfig> instanceGroups) { |
| |
| for (IInstanceTaskConfig group : instanceGroups) { |
| for (IRange range : group.getInstances()) { |
| if (toRange(range).contains(id)) { |
| return Optional.of(group.getTask()); |
| } |
| } |
| } |
| |
| return Optional.empty(); |
| } |
| |
| /** |
| * Get the lastest {@link JobUpdateStatus} for an update. |
| */ |
| static JobUpdateStatus getJobUpdateStatus(IJobUpdateDetails jobUpdateDetails) { |
| return Iterables.getLast(jobUpdateDetails.getUpdateEvents()).getStatus(); |
| } |
| } |