Java DIV._属性代码示例

@Override
protected void createAttemptHeadRoomTable(Block html) {
  RMAppAttempt attempt = getRMAppAttempt();
  if (attempt != null) {
    if (!isApplicationInFinalState(YarnApplicationAttemptState
        .valueOf(attempt.getAppAttemptState().toString()))) {
      RMAppAttemptMetrics metrics = attempt.getRMAppAttemptMetrics();
      DIV<Hamlet> pdiv = html._(InfoBlock.class).div(_INFO_WRAP);
      info("Application Attempt Overview").clear();
      info("Application Attempt Metrics")._(
        "Application Attempt Headroom : ", metrics == null ? "N/A" :
          metrics.getApplicationAttemptHeadroom());
      pdiv._();
    }
  }
}
 

private void createContainerLocalityTable(Block html) {
  RMAppAttemptMetrics attemptMetrics = null;
  RMAppAttempt attempt = getRMAppAttempt();
  if (attempt != null) {
    attemptMetrics = attempt.getRMAppAttemptMetrics();
  }
  
  if (attemptMetrics == null) {
    return;
  }

  DIV<Hamlet> div = html.div(_INFO_WRAP);
  TABLE<DIV<Hamlet>> table =
      div.h3(
        "Total Allocated Containers: "
            + attemptMetrics.getTotalAllocatedContainers()).h3("Each table cell"
          + " represents the number of NodeLocal/RackLocal/OffSwitch containers"
          + " satisfied by NodeLocal/RackLocal/OffSwitch resource requests.").table(
        "#containerLocality");
  table.
    tr().
      th(_TH, "").
      th(_TH, "Node Local Request").
      th(_TH, "Rack Local Request").
      th(_TH, "Off Switch Request").
    _();

  String[] containersType =
      { "Num Node Local Containers (satisfied by)", "Num Rack Local Containers (satisfied by)",
          "Num Off Switch Containers (satisfied by)" };
  boolean odd = false;
  for (int i = 0; i < attemptMetrics.getLocalityStatistics().length; i++) {
    table.tr((odd = !odd) ? _ODD : _EVEN).td(containersType[i])
      .td(String.valueOf(attemptMetrics.getLocalityStatistics()[i][0]))
      .td(i == 0 ? "" : String.valueOf(attemptMetrics.getLocalityStatistics()[i][1]))
      .td(i <= 1 ? "" : String.valueOf(attemptMetrics.getLocalityStatistics()[i][2]))._();
  }
  table._();
  div._();
}
 

/**
 * Given a div, a name for this data, and some pairs of data, generate a nice HTML table. If contents is empty (of size zero), then a mesage will be printed
 * that there were no items instead of an empty table.
 * 
 * @param div
 * @param detailsName
 * @param contents
 */
protected <T1 extends TableContent,T2> void generateRoleDetails(DIV<Hamlet> parent, String divSelector, String detailsName, Iterable<Entry<T1,T2>> contents) {
  final DIV<DIV<Hamlet>> div = parent.div(divSelector).h3(BOLD, detailsName);

  int offset = 0;
  TABLE<DIV<DIV<Hamlet>>> table = null;
  TBODY<TABLE<DIV<DIV<Hamlet>>>> tbody = null;
  for (Entry<T1,T2> content : contents) {
    if (null == table) {
      table = div.table("ui-widget-content ui-corner-bottom");
      tbody = table.tbody();
    }
    
    TR<TBODY<TABLE<DIV<DIV<Hamlet>>>>> row = tbody.tr(offset % 2 == 0 ? EVEN : ODD);
    
    // Defer to the implementation of the TableContent for what the cell should contain
    content.getKey().printCell(row);

    // Only add the second column if the element is non-null
    // This also lets us avoid making a second method if we're only making a one-column table
    if (null != content.getValue()) {
      row.td(content.getValue().toString());
    }

    row._();

    offset++;
  }

  // If we made a table, close it out
  if (null != table) {
    tbody._()._();
  } else {
    // Otherwise, throw in a nice "no content" message
    div.p("no-table-contents")._("None")._();
  }
  
  // Close out the initial div
  div._();
}
 

@Override protected void render(Block html) {
  DIV<Hamlet> nav = html.
    div("#nav").
      a(url("/"), "Index").
      span(" ").
      a(url("/monitor"), "Monitor").
      span(" ").
      a(url("../ws/monitor"), "Rest Monitor");
  nav._();
}
 

private void createResourceRequestsTable(Block html) {
  AppInfo app =
      new AppInfo(rm, rm.getRMContext().getRMApps()
        .get(this.appAttemptId.getApplicationId()), true,
        WebAppUtils.getHttpSchemePrefix(conf));

  List<ResourceRequest> resourceRequests = app.getResourceRequests();
  if (resourceRequests == null || resourceRequests.isEmpty()) {
    return;
  }

  DIV<Hamlet> div = html.div(_INFO_WRAP);
  TABLE<DIV<Hamlet>> table =
      div.h3("Total Outstanding Resource Requests: "
        + getTotalResource(resourceRequests)).table(
            "#ResourceRequests");

  table.tr().
    th(_TH, "Priority").
    th(_TH, "ResourceName").
    th(_TH, "Capability").
    th(_TH, "NumContainers").
    th(_TH, "RelaxLocality").
    th(_TH, "NodeLabelExpression").
  _();

  boolean odd = false;
  for (ResourceRequest request : resourceRequests) {
    if (request.getNumContainers() == 0) {
      continue;
    }
    table.tr((odd = !odd) ? _ODD : _EVEN)
      .td(String.valueOf(request.getPriority()))
      .td(request.getResourceName())
      .td(String.valueOf(request.getCapability()))
      .td(String.valueOf(request.getNumContainers()))
      .td(String.valueOf(request.getRelaxLocality()))
      .td(request.getNodeLabelExpression() == null ? "N/A" : request
          .getNodeLabelExpression())._();
  }
  table._();
  div._();
}
 

@Override
protected void createApplicationMetricsTable(Block html){
  RMApp rmApp = this.rm.getRMContext().getRMApps().get(appID);
  RMAppMetrics appMetrics = rmApp == null ? null : rmApp.getRMAppMetrics();
  // Get attempt metrics and fields, it is possible currentAttempt of RMApp is
  // null. In that case, we will assume resource preempted and number of Non
  // AM container preempted on that attempt is 0
  RMAppAttemptMetrics attemptMetrics;
  if (rmApp == null || null == rmApp.getCurrentAppAttempt()) {
    attemptMetrics = null;
  } else {
    attemptMetrics = rmApp.getCurrentAppAttempt().getRMAppAttemptMetrics();
  }
  Resource attemptResourcePreempted =
      attemptMetrics == null ? Resources.none() : attemptMetrics
        .getResourcePreempted();
  int attemptNumNonAMContainerPreempted =
      attemptMetrics == null ? 0 : attemptMetrics
        .getNumNonAMContainersPreempted();
  DIV<Hamlet> pdiv = html.
      _(InfoBlock.class).
      div(_INFO_WRAP);
  info("Application Overview").clear();
  info("Application Metrics")
      ._("Total Resource Preempted:",
        appMetrics == null ? "N/A" : appMetrics.getResourcePreempted())
      ._("Total Number of Non-AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumNonAMContainersPreempted())
      ._("Total Number of AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumAMContainersPreempted())
      ._("Resource Preempted from Current Attempt:",
        attemptResourcePreempted)
      ._("Number of Non-AM Containers Preempted from Current Attempt:",
        attemptNumNonAMContainerPreempted)
      ._("Aggregate Resource Allocation:",
        String.format("%d MB-seconds, %d vcore-seconds, %d gcore-seconds",
            appMetrics == null ? "N/A" : appMetrics.getMemorySeconds(),
            appMetrics == null ? "N/A" : appMetrics.getVcoreSeconds(),
            appMetrics == null ? "N/A" : appMetrics.getGcoreSeconds()));
  pdiv._();
}
 

@Override
protected void createApplicationMetricsTable(Block html){
  RMApp rmApp = this.rm.getRMContext().getRMApps().get(appID);
  RMAppMetrics appMetrics = rmApp == null ? null : rmApp.getRMAppMetrics();
  // Get attempt metrics and fields, it is possible currentAttempt of RMApp is
  // null. In that case, we will assume resource preempted and number of Non
  // AM container preempted on that attempt is 0
  RMAppAttemptMetrics attemptMetrics;
  if (rmApp == null || null == rmApp.getCurrentAppAttempt()) {
    attemptMetrics = null;
  } else {
    attemptMetrics = rmApp.getCurrentAppAttempt().getRMAppAttemptMetrics();
  }
  Resource attemptResourcePreempted =
      attemptMetrics == null ? Resources.none() : attemptMetrics
        .getResourcePreempted();
  int attemptNumNonAMContainerPreempted =
      attemptMetrics == null ? 0 : attemptMetrics
        .getNumNonAMContainersPreempted();
  DIV<Hamlet> pdiv = html.
      _(InfoBlock.class).
      div(_INFO_WRAP);
  info("Application Overview").clear();
  info("Application Metrics")
      ._("Total Resource Preempted:",
        appMetrics == null ? "N/A" : appMetrics.getResourcePreempted())
      ._("Total Number of Non-AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumNonAMContainersPreempted())
      ._("Total Number of AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumAMContainersPreempted())
      ._("Resource Preempted from Current Attempt:",
        attemptResourcePreempted)
      ._("Number of Non-AM Containers Preempted from Current Attempt:",
        attemptNumNonAMContainerPreempted)
      ._("Aggregate Resource Allocation:",
        String.format("%d MB-seconds, %d vcore-seconds",
            appMetrics == null ? "N/A" : appMetrics.getMemorySeconds(),
            appMetrics == null ? "N/A" : appMetrics.getVcoreSeconds()));
  pdiv._();
}
 

@Override
protected void createApplicationMetricsTable(Block html){
  RMApp rmApp = this.rm.getRMContext().getRMApps().get(appID);
  RMAppMetrics appMetrics = rmApp == null ? null : rmApp.getRMAppMetrics();
  // Get attempt metrics and fields, it is possible currentAttempt of RMApp is
  // null. In that case, we will assume resource preempted and number of Non
  // AM container preempted on that attempt is 0
  RMAppAttemptMetrics attemptMetrics;
  if (rmApp == null || null == rmApp.getCurrentAppAttempt()) {
    attemptMetrics = null;
  } else {
    attemptMetrics = rmApp.getCurrentAppAttempt().getRMAppAttemptMetrics();
  }
  Resource attemptResourcePreempted =
      attemptMetrics == null ? Resources.none() : attemptMetrics
        .getResourcePreempted();
  int attemptNumNonAMContainerPreempted =
      attemptMetrics == null ? 0 : attemptMetrics
        .getNumNonAMContainersPreempted();
  DIV<Hamlet> pdiv = html.
      _(InfoBlock.class).
      div(_INFO_WRAP);
  info("Application Overview").clear();
  info("Application Metrics")
      ._("Total Resource Preempted:",
        appMetrics == null ? "N/A" : appMetrics.getResourcePreempted())
      ._("Total Number of Non-AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumNonAMContainersPreempted())
      ._("Total Number of AM Containers Preempted:",
        appMetrics == null ? "N/A"
            : appMetrics.getNumAMContainersPreempted())
      ._("Resource Preempted from Current Attempt:",
        attemptResourcePreempted)
      ._("Number of Non-AM Containers Preempted from Current Attempt:",
        attemptNumNonAMContainerPreempted)
      ._("Aggregate Resource Allocation:",
        String.format("%d MB-seconds, %d vcore-seconds, %d gpu-seconds",
            appMetrics == null ? "N/A" : appMetrics.getMemorySeconds(),
            appMetrics == null ? "N/A" : appMetrics.getVcoreSeconds(),
            appMetrics == null ? "N/A" : appMetrics.getGPUSeconds()))
      ._("Aggregate Preempted Resource Allocation:",
        String.format("%d MB-seconds, %d vcore-seconds, %d gpu-seconds",
          appMetrics == null ? "N/A" : appMetrics.getPreemptedMemorySeconds(),
          appMetrics == null ? "N/A" :
              appMetrics.getPreemptedVcoreSeconds(),
          appMetrics == null ? "N/A" :
              appMetrics.getPreemptedGPUSeconds()));

  pdiv._();
}
 

@Override
protected void render(Block html) {
  // TODO Probably better to just get a copy of this list for us to avoid the repeated synchronization?
  // does this change if we have 50 node, 100node, 500 node clusters?
  final Map<String,RoleInstance> containerInstances = getContainerInstances(slider.getAppState().cloneOwnedContainerList());

  for (Entry<String,RoleStatus> entry : slider.getRoleStatusByName().entrySet()) {
    final String name = entry.getKey();
    final RoleStatus roleStatus = entry.getValue();

    DIV<Hamlet> div = html.div("role-info ui-widget-content ui-corner-all");

    List<ClusterNode> nodesInRole;
    try {
      nodesInRole = clusterOps.listClusterNodesInRole(name);
    } catch (Exception e) {
      log.error("Could not fetch containers for role: " + name, e);
      nodesInRole = Collections.emptyList();
    }

    div.h2(BOLD, StringUtils.capitalize(name));

    // Generate the details on this role
    Iterable<Entry<String,Integer>> stats = roleStatus.buildStatistics().entrySet();
    generateRoleDetails(div,"role-stats-wrap", "Specifications", Iterables.transform(stats, stringIntPairFunc));

    // Sort the ClusterNodes by their name (containerid)
    Collections.sort(nodesInRole, new ClusterNodeNameComparator());

    // Generate the containers running this role
    generateRoleDetails(div, "role-stats-containers", "Containers",
        Iterables.transform(nodesInRole, new Function<ClusterNode,Entry<TableContent,String>>() {

          @Override
          public Entry<TableContent,String> apply(ClusterNode input) {
            final String containerId = input.name;
            
            if (containerInstances.containsKey(containerId)) {
              RoleInstance roleInst = containerInstances.get(containerId);
              if (roleInst.container.getNodeHttpAddress() != null) {
                return Maps.<TableContent,String> immutableEntry(
                  new TableAnchorContent(containerId, buildNodeUrlForContainer(roleInst.container.getNodeHttpAddress(), containerId)), null);
              }
            }
            return Maps.immutableEntry(new TableContent(input.name), null);
          }

        }));

    ClusterDescription desc = slider.getAppState().getClusterStatus();
    Map<String,String> options = desc.getRole(name);
    Iterable<Entry<TableContent,String>> tableContent;
    
    // Generate the pairs of data in the expected form
    if (null != options) {
      tableContent = Iterables.transform(options.entrySet(), stringStringPairFunc);
    } else {
      // Or catch that we have no options and provide "empty"
      tableContent = Collections.<Entry<TableContent,String>> emptySet();
    }
    
    // Generate the options used by this role
    generateRoleDetails(div, "role-options-wrap", "Role Options", tableContent);

    // Close the div for this role
    div._();
  }
}