Example usage for java.util Deque getLast

Introduction

In this page you can find the example usage for java.util Deque getLast.

Prototype

E getLast();

Source Link

Document

Retrieves, but does not remove, the last element of this deque.

Usage

From source file:com.cloudbees.jenkins.plugins.amazonecs.ECSService.java

/**
 * Looks whether the latest task definition matches the desired one. If yes, returns the ARN of the existing one. 
 * If no, register a new task definition with desired parameters and return the new ARN.
 *//*  www.  j a va  2 s  .  co  m*/
String registerTemplate(final ECSCloud cloud, final ECSTaskTemplate template, String clusterArn) {
    final AmazonECSClient client = getAmazonECSClient();

    String familyName = fullQualifiedTemplateName(cloud, template);
    final ContainerDefinition def = new ContainerDefinition().withName(familyName)
            .withImage(template.getImage()).withEnvironment(template.getEnvironmentKeyValuePairs())
            .withExtraHosts(template.getExtraHostEntries()).withMountPoints(template.getMountPointEntries())
            .withCpu(template.getCpu()).withPrivileged(template.getPrivileged()).withEssential(true);

    /*
    at least one of memory or memoryReservation has to be set
    the form validation will highlight if the settings are inappropriate
    */
    if (template.getMemoryReservation() > 0) /* this is the soft limit */
        def.withMemoryReservation(template.getMemoryReservation());

    if (template.getMemory() > 0) /* this is the hard limit */
        def.withMemory(template.getMemory());

    if (template.getEntrypoint() != null)
        def.withEntryPoint(StringUtils.split(template.getEntrypoint()));

    if (template.getJvmArgs() != null)
        def.withEnvironment(new KeyValuePair().withName("JAVA_OPTS").withValue(template.getJvmArgs()))
                .withEssential(true);

    if (template.getLogDriver() != null) {
        LogConfiguration logConfig = new LogConfiguration();
        logConfig.setLogDriver(template.getLogDriver());
        logConfig.setOptions(template.getLogDriverOptionsMap());
        def.withLogConfiguration(logConfig);
    }

    String lastToken = null;
    Deque<String> taskDefinitions = new LinkedList<String>();
    do {
        ListTaskDefinitionsResult listTaskDefinitions = client
                .listTaskDefinitions(new ListTaskDefinitionsRequest().withFamilyPrefix(familyName)
                        .withMaxResults(100).withNextToken(lastToken));
        taskDefinitions.addAll(listTaskDefinitions.getTaskDefinitionArns());
        lastToken = listTaskDefinitions.getNextToken();
    } while (lastToken != null);

    boolean templateMatchesExistingContainerDefinition = false;
    boolean templateMatchesExistingVolumes = false;
    boolean templateMatchesExistingTaskRole = false;

    DescribeTaskDefinitionResult describeTaskDefinition = null;

    if (taskDefinitions.size() > 0) {
        describeTaskDefinition = client.describeTaskDefinition(
                new DescribeTaskDefinitionRequest().withTaskDefinition(taskDefinitions.getLast()));

        templateMatchesExistingContainerDefinition = def
                .equals(describeTaskDefinition.getTaskDefinition().getContainerDefinitions().get(0));
        LOGGER.log(Level.INFO, "Match on container defintion: {0}",
                new Object[] { templateMatchesExistingContainerDefinition });
        LOGGER.log(Level.FINE, "Match on container defintion: {0}; template={1}; last={2}",
                new Object[] { templateMatchesExistingContainerDefinition, def,
                        describeTaskDefinition.getTaskDefinition().getContainerDefinitions().get(0) });

        templateMatchesExistingVolumes = ObjectUtils.equals(template.getVolumeEntries(),
                describeTaskDefinition.getTaskDefinition().getVolumes());
        LOGGER.log(Level.INFO, "Match on volumes: {0}", new Object[] { templateMatchesExistingVolumes });
        LOGGER.log(Level.FINE, "Match on volumes: {0}; template={1}; last={2}",
                new Object[] { templateMatchesExistingVolumes, template.getVolumeEntries(),
                        describeTaskDefinition.getTaskDefinition().getVolumes() });

        templateMatchesExistingTaskRole = template.getTaskrole() == null
                || template.getTaskrole().equals(describeTaskDefinition.getTaskDefinition().getTaskRoleArn());
        LOGGER.log(Level.INFO, "Match on task role: {0}", new Object[] { templateMatchesExistingTaskRole });
        LOGGER.log(Level.FINE, "Match on task role: {0}; template={1}; last={2}",
                new Object[] { templateMatchesExistingTaskRole, template.getTaskrole(),
                        describeTaskDefinition.getTaskDefinition().getTaskRoleArn() });
    }

    if (templateMatchesExistingContainerDefinition && templateMatchesExistingVolumes
            && templateMatchesExistingTaskRole) {
        LOGGER.log(Level.FINE, "Task Definition already exists: {0}",
                new Object[] { describeTaskDefinition.getTaskDefinition().getTaskDefinitionArn() });
        return describeTaskDefinition.getTaskDefinition().getTaskDefinitionArn();
    } else {
        final RegisterTaskDefinitionRequest request = new RegisterTaskDefinitionRequest().withFamily(familyName)
                .withVolumes(template.getVolumeEntries()).withContainerDefinitions(def);

        if (template.getTaskrole() != null) {
            request.withTaskRoleArn(template.getTaskrole());
        }
        final RegisterTaskDefinitionResult result = client.registerTaskDefinition(request);
        String taskDefinitionArn = result.getTaskDefinition().getTaskDefinitionArn();
        LOGGER.log(Level.FINE, "Created Task Definition {0}: {1}", new Object[] { taskDefinitionArn, request });
        LOGGER.log(Level.INFO, "Created Task Definition: {0}", new Object[] { taskDefinitionArn });
        return taskDefinitionArn;
    }
}

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From source file:org.ciasaboark.tacere.service.EventSilencerService.java

private void checkForActiveEventsAndSilence() {
    Log.d(TAG, "checking for events to silence");
    Deque<EventInstance> events = databaseInterface.getAllActiveEvents();
    boolean foundEvent = false;
    for (EventInstance event : events) {
        if (shouldEventSilence(event)) {
            Log.d(TAG, "found event to silence for: " + event.toString());
            foundEvent = true;//from w  w w .  j a v  a 2 s . com
            silenceForEventAndShowNotification(event);
            break;
        }
    }

    if (!foundEvent) {
        Log.d(TAG, "did not find an event to silence for");
        //if we couldn't find any events, then do some cleanup and schedule the service to be
        //restarted when the last active checked event ends. If there were no active events,
        //then we need to sleep until the next event in the database starts.  If there are no
        //events in the database either, then just sleep for 24 hours.
        if (stateManager.isEventActive()) {
            Log.d(TAG, "event previously active, but non active now, restoring volumes");
            vibrate();
            stateManager.resetServiceState();
            notificationManager.cancelAllNotifications();
            volumesManager.restoreVolumes();
            ringerStateManager.restorePhoneRinger();
            notifyCursorAdapterDataChanged();
        }

        long wakeAt;
        if (!events.isEmpty()) {
            EventInstance lastActiveEvent = events.getLast();
            wakeAt = lastActiveEvent.getOriginalEnd();
            Log.d(TAG, "sleeping until last known event ends at " + wakeAt);
        } else {
            EventInstance nextInactiveEvent = databaseInterface.nextEvent();
            if (nextInactiveEvent != null) {
                wakeAt = nextInactiveEvent.getBegin()
                        - (EventInstance.MILLISECONDS_IN_MINUTE * prefs.getBufferMinutes());
                Log.d(TAG, "sleeping until next known event starts at " + wakeAt);
            } else {
                Log.d(TAG, "sleeping for 24 hrs");
                wakeAt = System.currentTimeMillis() + EventInstance.MILLISECONDS_IN_DAY;
            }
        }

        alarmManager.scheduleNormalWakeAt(wakeAt);
    }
}

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