com.spotify.helios.cli.command.JobStatusFetcher.java Source code

Introduction

Here is the source code for com.spotify.helios.cli.command.JobStatusFetcher.java

Source

/*
 * Copyright (c) 2014 Spotify AB.
 *
 * 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 com.spotify.helios.cli.command;

import com.google.common.collect.Maps;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;

import com.spotify.helios.client.HeliosClient;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.descriptors.JobStatus;

import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import java.util.concurrent.ExecutionException;

public class JobStatusFetcher {

    public static Map<JobId, ListenableFuture<JobStatus>> getJobsStatuses(HeliosClient client, Set<JobId> jobIds)
            throws InterruptedException {
        final Map<JobId, ListenableFuture<JobStatus>> futures = Maps.newTreeMap();
        try {
            final Map<JobId, JobStatus> statuses = client.jobStatuses(jobIds).get();
            for (final Entry<JobId, JobStatus> entry : statuses.entrySet()) {
                futures.put(entry.getKey(), Futures.immediateFuture(entry.getValue()));
            }
        } catch (final ExecutionException e) {
            System.err.println("Warning: masters failed batch status fetching.  Falling back to"
                    + " slower job status method");
            for (final JobId jobId : jobIds) {
                futures.put(jobId, client.jobStatus(jobId));
            }
        }
        return futures;
    }

}