Java AppInfo类代码示例

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppInfo getApp(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {
  init();
  if (appId == null || appId.isEmpty()) {
    throw new NotFoundException("appId, " + appId + ", is empty or null");
  }
  ApplicationId id;
  id = ConverterUtils.toApplicationId(recordFactory, appId);
  if (id == null) {
    throw new NotFoundException("appId is null");
  }
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }
  return new AppInfo(rm, app, hasAccess(app, hsr), hsr.getScheme() + "://");
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppInfo getApp(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {
  init();
  if (appId == null || appId.isEmpty()) {
    throw new NotFoundException("appId, " + appId + ", is empty or null");
  }
  ApplicationId id;
  id = ConverterUtils.toApplicationId(recordFactory, appId);
  if (id == null) {
    throw new NotFoundException("appId is null");
  }
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }
  return new AppInfo(app, hasAccess(app, hsr), hsr.getScheme() + "://");
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppInfo getApp(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {
  init();
  if (appId == null || appId.isEmpty()) {
    throw new NotFoundException("appId, " + appId + ", is empty or null");
  }
  ApplicationId id;
  id = ConverterUtils.toApplicationId(recordFactory, appId);
  if (id == null) {
    throw new NotFoundException("appId is null");
  }
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }
  return new AppInfo(app, hasAccess(app, hsr));
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppInfo getApp(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {
  init();
  ApplicationId id = WebAppUtils.parseApplicationId(recordFactory, appId);
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }
  return new AppInfo(rm, app, hasAccess(app, hsr), hsr.getScheme() + "://");
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@Override public void render(Block html) {
  TBODY<TABLE<Hamlet>> tbody = html.
    table("#apps").
      thead().
        tr().
          th(".id", "ID").
          th(".user", "User").
          th(".name", "Name").
          th(".type", "Application Type").
          th(".queue", "Queue").
          th(".fairshare", "Fair Share").
          th(".starttime", "StartTime").
          th(".finishtime", "FinishTime").
          th(".state", "State").
          th(".finalstatus", "FinalStatus").
          th(".progress", "Progress").
          th(".ui", "Tracking UI")._()._().
      tbody();
  Collection<YarnApplicationState> reqAppStates = null;
  String reqStateString = $(APP_STATE);
  if (reqStateString != null && !reqStateString.isEmpty()) {
    String[] appStateStrings = reqStateString.split(",");
    reqAppStates = new HashSet<YarnApplicationState>(appStateStrings.length);
    for(String stateString : appStateStrings) {
      reqAppStates.add(YarnApplicationState.valueOf(stateString));
    }
  }
  StringBuilder appsTableData = new StringBuilder("[\n");
  for (RMApp app : apps.values()) {
    if (reqAppStates != null && !reqAppStates.contains(app.createApplicationState())) {
      continue;
    }
    AppInfo appInfo = new AppInfo(rm, app, true, WebAppUtils.getHttpSchemePrefix(conf));
    String percent = String.format("%.1f", appInfo.getProgress());
    ApplicationAttemptId attemptId = app.getCurrentAppAttempt().getAppAttemptId();
    int fairShare = fsinfo.getAppFairShare(attemptId);
    if (fairShare == FairSchedulerInfo.INVALID_FAIR_SHARE) {
      // FairScheduler#applications don't have the entry. Skip it.
      continue;
    }
    appsTableData.append("[\"<a href='")
    .append(url("app", appInfo.getAppId())).append("'>")
    .append(appInfo.getAppId()).append("</a>\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getUser()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getName()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getApplicationType()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getQueue()))).append("\",\"")
    .append(fairShare).append("\",\"")
    .append(appInfo.getStartTime()).append("\",\"")
    .append(appInfo.getFinishTime()).append("\",\"")
    .append(appInfo.getState()).append("\",\"")
    .append(appInfo.getFinalStatus()).append("\",\"")
    // Progress bar
    .append("<br title='").append(percent)
    .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
    .append(join(percent, '%')).append("'> ").append("<div class='")
    .append(C_PROGRESSBAR_VALUE).append("' style='")
    .append(join("width:", percent, '%')).append("'> </div> </div>")
    .append("\",\"<a href='");

    String trackingURL =
      !appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
    
    appsTableData.append(trackingURL).append("'>")
    .append(appInfo.getTrackingUI()).append("</a>\"],\n");

  }
  if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
    appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
  }
  appsTableData.append("]");
  html.script().$type("text/javascript").
  _("var appsTableData=" + appsTableData)._();

  tbody._()._();
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
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._();
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@Override public void render(Block html) {
  TBODY<TABLE<Hamlet>> tbody = html.
    table("#apps").
      thead().
        tr().
          th(".id", "ID").
          th(".user", "User").
          th(".name", "Name").
          th(".queue", "Queue").
          th(".fairshare", "Fair Share").
          th(".starttime", "StartTime").
          th(".finishtime", "FinishTime").
          th(".state", "State").
          th(".finalstatus", "FinalStatus").
          th(".progress", "Progress").
          th(".ui", "Tracking UI")._()._().
      tbody();
  Collection<RMAppState> reqAppStates = null;
  String reqStateString = $(APP_STATE);
  if (reqStateString != null && !reqStateString.isEmpty()) {
    String[] appStateStrings = reqStateString.split(",");
    reqAppStates = new HashSet<RMAppState>(appStateStrings.length);
    for(String stateString : appStateStrings) {
      reqAppStates.add(RMAppState.valueOf(stateString));
    }
  }
  StringBuilder appsTableData = new StringBuilder("[\n");
  for (RMApp app : apps.values()) {
    if (reqAppStates != null && !reqAppStates.contains(app.getState())) {
      continue;
    }
    AppInfo appInfo = new AppInfo(app, true);
    String percent = String.format("%.1f", appInfo.getProgress());
    ApplicationAttemptId attemptId = app.getCurrentAppAttempt().getAppAttemptId();
    int fairShare = fsinfo.getAppFairShare(attemptId);
    //AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
    appsTableData.append("[\"<a href='")
    .append(url("app", appInfo.getAppId())).append("'>")
    .append(appInfo.getAppId()).append("</a>\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getUser()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getName()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getQueue()))).append("\",\"")
    .append(fairShare).append("\",\"")
    .append(appInfo.getStartTime()).append("\",\"")
    .append(appInfo.getFinishTime()).append("\",\"")
    .append(appInfo.getState()).append("\",\"")
    .append(appInfo.getFinalStatus()).append("\",\"")
    // Progress bar
    .append("<br title='").append(percent)
    .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
    .append(join(percent, '%')).append("'> ").append("<div class='")
    .append(C_PROGRESSBAR_VALUE).append("' style='")
    .append(join("width:", percent, '%')).append("'> </div> </div>")
    .append("\",\"<a href='");

    String trackingURL =
      !appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
    
    appsTableData.append(trackingURL).append("'>")
    .append(appInfo.getTrackingUI()).append("</a>\"],\n");

  }
  if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
    appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
  }
  appsTableData.append("]");
  html.script().$type("text/javascript").
  _("var appsTableData=" + appsTableData)._();

  tbody._()._();
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@Override public void render(Block html) {
  TBODY<TABLE<Hamlet>> tbody = html.
    table("#apps").
      thead().
        tr().
          th(".id", "ID").
          th(".user", "User").
          th(".name", "Name").
          th(".type", "Application Type").
          th(".queue", "Queue").
          th(".starttime", "StartTime").
          th(".finishtime", "FinishTime").
          th(".state", "State").
          th(".finalstatus", "FinalStatus").
          th(".progress", "Progress").
          th(".ui", "Tracking UI")._()._().
      tbody();
  Collection<RMAppState> reqAppStates = null;
  String reqStateString = $(APP_STATE);
  if (reqStateString != null && !reqStateString.isEmpty()) {
    String[] appStateStrings = reqStateString.split(",");
    reqAppStates = new HashSet<RMAppState>(appStateStrings.length);
    for(String stateString : appStateStrings) {
      reqAppStates.add(RMAppState.valueOf(stateString));
    }
  }
  StringBuilder appsTableData = new StringBuilder("[\n");
  for (RMApp app : apps.values()) {
    if (reqAppStates != null && !reqAppStates.contains(app.getState())) {
      continue;
    }
    AppInfo appInfo = new AppInfo(app, true);
    String percent = String.format("%.1f", appInfo.getProgress());
    //AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
    appsTableData.append("[\"<a href='")
    .append(url("app", appInfo.getAppId())).append("'>")
    .append(appInfo.getAppId()).append("</a>\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getUser()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getName()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getApplicationType()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getQueue()))).append("\",\"")
    .append(appInfo.getStartTime()).append("\",\"")
    .append(appInfo.getFinishTime()).append("\",\"")
    .append(appInfo.getState()).append("\",\"")
    .append(appInfo.getFinalStatus()).append("\",\"")
    // Progress bar
    .append("<br title='").append(percent)
    .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
    .append(join(percent, '%')).append("'> ").append("<div class='")
    .append(C_PROGRESSBAR_VALUE).append("' style='")
    .append(join("width:", percent, '%')).append("'> </div> </div>")
    .append("\",\"<a href='");

    String trackingURL =
      !appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
    
    appsTableData.append(trackingURL).append("'>")
    .append(appInfo.getTrackingUI()).append("</a>\"],\n");

  }
  if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
    appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
  }
  appsTableData.append("]");
  html.script().$type("text/javascript").
  _("var appsTableData=" + appsTableData)._();

  tbody._()._();
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
public void verifyAppInfo(JSONObject info, RMApp app) throws JSONException,
    Exception {

  int expectedNumberOfElements = 38;
  String appNodeLabelExpression = null;
  String amNodeLabelExpression = null;
  if (app.getApplicationSubmissionContext()
      .getNodeLabelExpression() != null) {
    expectedNumberOfElements++;
    appNodeLabelExpression = info.getString("appNodeLabelExpression");
  }
  if (app.getAMResourceRequest().getNodeLabelExpression() != null) {
    expectedNumberOfElements++;
    amNodeLabelExpression = info.getString("amNodeLabelExpression");
  }
  String amRPCAddress = null;
  if (AppInfo.getAmRPCAddressFromRMAppAttempt(app.getCurrentAppAttempt())
      != null) {
    expectedNumberOfElements++;
    amRPCAddress = info.getString("amRPCAddress");
  }
  assertEquals("incorrect number of elements", expectedNumberOfElements,
      info.length());

  verifyAppInfoGeneric(app, info.getString("id"), info.getString("user"),
      info.getString("name"), info.getString("applicationType"),
      info.getString("queue"), info.getInt("priority"),
      info.getString("state"), info.getString("finalStatus"),
      (float) info.getDouble("progress"), info.getString("trackingUI"),
      info.getString("diagnostics"), info.getLong("clusterId"),
      info.getLong("startedTime"), info.getLong("finishedTime"),
      info.getLong("elapsedTime"), info.getString("amHostHttpAddress"),
      info.getString("amContainerLogs"), info.getInt("allocatedMB"),
      info.getInt("allocatedVCores"), info.getInt("allocatedGPUs"), info.getInt("runningContainers"),
      (float) info.getDouble("queueUsagePercentage"),
      (float) info.getDouble("clusterUsagePercentage"),
      info.getInt("preemptedResourceMB"),
      info.getInt("preemptedResourceVCores"),
      info.getInt("preemptedResourceGPUs"),
      info.getInt("numNonAMContainerPreempted"),
      info.getInt("numAMContainerPreempted"),
      info.getString("logAggregationStatus"),
      info.getBoolean("unmanagedApplication"),
      appNodeLabelExpression,
      amNodeLabelExpression,
      amRPCAddress);
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
public void verifyAppInfoGeneric(RMApp app, String id, String user,
    String name, String applicationType, String queue, int prioirty,
    String state, String finalStatus, float progress, String trackingUI,
    String diagnostics, long clusterId, long startedTime, long finishedTime,
    long elapsedTime, String amHostHttpAddress, String amContainerLogs,
    int allocatedMB, int allocatedVCores, int allocatedGPUs, int numContainers,
    float queueUsagePerc, float clusterUsagePerc,
    int preemptedResourceMB, int preemptedResourceVCores, int preemptedGPUs,
    int numNonAMContainerPreempted, int numAMContainerPreempted,
    String logAggregationStatus, boolean unmanagedApplication,
    String appNodeLabelExpression, String amNodeLabelExpression,
    String amRPCAddress) throws JSONException, Exception {

  WebServicesTestUtils.checkStringMatch("id", app.getApplicationId()
      .toString(), id);
  WebServicesTestUtils.checkStringMatch("user", app.getUser(), user);
  WebServicesTestUtils.checkStringMatch("name", app.getName(), name);
  WebServicesTestUtils.checkStringMatch("applicationType",
    app.getApplicationType(), applicationType);
  WebServicesTestUtils.checkStringMatch("queue", app.getQueue(), queue);
  assertEquals("priority doesn't match", 0, prioirty);
  WebServicesTestUtils.checkStringMatch("state", app.getState().toString(),
      state);
  WebServicesTestUtils.checkStringMatch("finalStatus", app
      .getFinalApplicationStatus().toString(), finalStatus);
  assertEquals("progress doesn't match", 0, progress, 0.0);
  WebServicesTestUtils.checkStringMatch("trackingUI", "UNASSIGNED",
      trackingUI);
  WebServicesTestUtils.checkStringEqual("diagnostics",
      app.getDiagnostics().toString(), diagnostics);
  assertEquals("clusterId doesn't match",
      ResourceManager.getClusterTimeStamp(), clusterId);
  assertEquals("startedTime doesn't match", app.getStartTime(), startedTime);
  assertEquals("finishedTime doesn't match", app.getFinishTime(),
      finishedTime);
  assertTrue("elapsed time not greater than 0", elapsedTime > 0);
  WebServicesTestUtils.checkStringMatch("amHostHttpAddress", app
      .getCurrentAppAttempt().getMasterContainer().getNodeHttpAddress(),
      amHostHttpAddress);
  assertTrue("amContainerLogs doesn't match",
      amContainerLogs.startsWith("http://"));
  assertTrue("amContainerLogs doesn't contain user info",
      amContainerLogs.endsWith("/" + app.getUser()));
  assertEquals("allocatedMB doesn't match", 1024, allocatedMB);
  assertEquals("allocatedVCores doesn't match", 1, allocatedVCores);
  assertEquals("queueUsagePerc doesn't match", 50.0f, queueUsagePerc, 0.01f);
  assertEquals("clusterUsagePerc doesn't match", 50.0f, clusterUsagePerc, 0.01f);
  assertEquals("allocatedGPUs doesn't match", 0, allocatedGPUs);
  assertEquals("numContainers doesn't match", 1, numContainers);
  assertEquals("preemptedResourceMB doesn't match", app
      .getRMAppMetrics().getResourcePreempted().getMemorySize(),
      preemptedResourceMB);
  assertEquals("preemptedResourceVCores doesn't match", app
      .getRMAppMetrics().getResourcePreempted().getVirtualCores(),
      preemptedResourceVCores);
  assertEquals("preemptedResourceGPUs doesn't match", app.getRMAppMetrics()
  .getResourcePreempted().getGPUs(), preemptedGPUs);
  assertEquals("numNonAMContainerPreempted doesn't match", app
      .getRMAppMetrics().getNumNonAMContainersPreempted(),
      numNonAMContainerPreempted);
  assertEquals("numAMContainerPreempted doesn't match", app
      .getRMAppMetrics().getNumAMContainersPreempted(),
      numAMContainerPreempted);
  assertEquals("Log aggregation Status doesn't match", app
      .getLogAggregationStatusForAppReport().toString(),
      logAggregationStatus);
  assertEquals("unmanagedApplication doesn't match", app
      .getApplicationSubmissionContext().getUnmanagedAM(),
      unmanagedApplication);
  assertEquals("unmanagedApplication doesn't match",
      app.getApplicationSubmissionContext().getNodeLabelExpression(),
      appNodeLabelExpression);
  assertEquals("unmanagedApplication doesn't match",
      app.getAMResourceRequest().getNodeLabelExpression(),
      amNodeLabelExpression);
  assertEquals("amRPCAddress",
      AppInfo.getAmRPCAddressFromRMAppAttempt(app.getCurrentAppAttempt()),
      amRPCAddress);
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@Override public void render(Block html) {
  TBODY<TABLE<Hamlet>> tbody = html.
    table("#apps").
      thead().
        tr().
          th(".id", "ID").
          th(".user", "User").
          th(".name", "Name").
          th(".queue", "Queue").
          th(".fairshare", "Fair Share").
          th(".starttime", "StartTime").
          th(".finishtime", "FinishTime").
          th(".state", "State").
          th(".finalstatus", "FinalStatus").
          th(".progress", "Progress").
          th(".ui", "Tracking UI")._()._().
      tbody();
  Collection<YarnApplicationState> reqAppStates = null;
  String reqStateString = $(APP_STATE);
  if (reqStateString != null && !reqStateString.isEmpty()) {
    String[] appStateStrings = reqStateString.split(",");
    reqAppStates = new HashSet<YarnApplicationState>(appStateStrings.length);
    for(String stateString : appStateStrings) {
      reqAppStates.add(YarnApplicationState.valueOf(stateString));
    }
  }
  StringBuilder appsTableData = new StringBuilder("[\n");
  for (RMApp app : apps.values()) {
    if (reqAppStates != null && !reqAppStates.contains(app.getState())) {
      continue;
    }
    AppInfo appInfo = new AppInfo(app, true, WebAppUtils.getHttpSchemePrefix(conf));
    String percent = String.format("%.1f", appInfo.getProgress());
    ApplicationAttemptId attemptId = app.getCurrentAppAttempt().getAppAttemptId();
    int fairShare = fsinfo.getAppFairShare(attemptId);
    //AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
    appsTableData.append("[\"<a href='")
    .append(url("app", appInfo.getAppId())).append("'>")
    .append(appInfo.getAppId()).append("</a>\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getUser()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getName()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getQueue()))).append("\",\"")
    .append(fairShare).append("\",\"")
    .append(appInfo.getStartTime()).append("\",\"")
    .append(appInfo.getFinishTime()).append("\",\"")
    .append(appInfo.getState()).append("\",\"")
    .append(appInfo.getFinalStatus()).append("\",\"")
    // Progress bar
    .append("<br title='").append(percent)
    .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
    .append(join(percent, '%')).append("'> ").append("<div class='")
    .append(C_PROGRESSBAR_VALUE).append("' style='")
    .append(join("width:", percent, '%')).append("'> </div> </div>")
    .append("\",\"<a href='");

    String trackingURL =
      !appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
    
    appsTableData.append(trackingURL).append("'>")
    .append(appInfo.getTrackingUI()).append("</a>\"],\n");

  }
  if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
    appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
  }
  appsTableData.append("]");
  html.script().$type("text/javascript").
  _("var appsTableData=" + appsTableData)._();

  tbody._()._();
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; //导入依赖的package包/类
@Override public void render(Block html) {
  TBODY<TABLE<Hamlet>> tbody = html.
    table("#apps").
      thead().
        tr().
          th(".id", "ID").
          th(".user", "User").
          th(".name", "Name").
          th(".type", "Application Type").
          th(".queue", "Queue").
          th(".starttime", "StartTime").
          th(".finishtime", "FinishTime").
          th(".state", "State").
          th(".finalstatus", "FinalStatus").
          th(".progress", "Progress").
          th(".ui", "Tracking UI")._()._().
      tbody();
  Collection<YarnApplicationState> reqAppStates = null;
  String reqStateString = $(APP_STATE);
  if (reqStateString != null && !reqStateString.isEmpty()) {
    String[] appStateStrings = reqStateString.split(",");
    reqAppStates = new HashSet<YarnApplicationState>(appStateStrings.length);
    for(String stateString : appStateStrings) {
      reqAppStates.add(YarnApplicationState.valueOf(stateString));
    }
  }
  StringBuilder appsTableData = new StringBuilder("[\n");
  for (RMApp app : apps.values()) {
    if (reqAppStates != null && !reqAppStates.contains(app.createApplicationState())) {
      continue;
    }
    AppInfo appInfo = new AppInfo(app, true, WebAppUtils.getHttpSchemePrefix(conf));
    String percent = String.format("%.1f", appInfo.getProgress());
    //AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
    appsTableData.append("[\"<a href='")
    .append(url("app", appInfo.getAppId())).append("'>")
    .append(appInfo.getAppId()).append("</a>\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getUser()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getName()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getApplicationType()))).append("\",\"")
    .append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
      appInfo.getQueue()))).append("\",\"")
    .append(appInfo.getStartTime()).append("\",\"")
    .append(appInfo.getFinishTime()).append("\",\"")
    .append(appInfo.getState()).append("\",\"")
    .append(appInfo.getFinalStatus()).append("\",\"")
    // Progress bar
    .append("<br title='").append(percent)
    .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
    .append(join(percent, '%')).append("'> ").append("<div class='")
    .append(C_PROGRESSBAR_VALUE).append("' style='")
    .append(join("width:", percent, '%')).append("'> </div> </div>")
    .append("\",\"<a href='");

    String trackingURL =
      !appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
    
    appsTableData.append(trackingURL).append("'>")
    .append(appInfo.getTrackingUI()).append("</a>\"],\n");

  }
  if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
    appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
  }
  appsTableData.append("]");
  html.script().$type("text/javascript").
  _("var appsTableData=" + appsTableData)._();

  tbody._()._();
}