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@@ -20,10 +20,13 @@
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JobTracker tracker) throws IOException {
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Collection c;
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if (("blacklisted").equals(type)) {
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+ out.println("<h2>Blacklisted Task Trackers</h2>");
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c = tracker.blacklistedTaskTrackers();
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} else if (("active").equals(type)) {
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+ out.println("<h2>Active Task Trackers</h2>");
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c = tracker.activeTaskTrackers();
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} else {
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+ out.println("<h2>Task Trackers</h2>");
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c = tracker.taskTrackers();
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}
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if (c.size() == 0) {
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@@ -74,6 +77,26 @@
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}
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}
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+ public void generateTableForExcludedNodes(JspWriter out, JobTracker tracker)
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+ throws IOException {
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+ // excluded nodes
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+ out.println("<h2>Excluded Nodes</h2>");
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+ Collection<String> d = tracker.getExcludedNodes();
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+ if (d.size() == 0) {
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+ out.print("There are currently no excluded hosts.");
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+ } else {
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+ out.print("<center>\n");
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+ out.print("<table border=\"2\" cellpadding=\"5\" cellspacing=\"2\">\n");
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+ out.print("<tr>");
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+ out.print("<td><b>Host Name</b></td></tr>\n");
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+ for (Iterator it = d.iterator(); it.hasNext(); ) {
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+ String dt = (String)it.next();
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+ out.print("<td>" + dt + "</td></tr>\n");
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+ }
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+ out.print("</table>\n");
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+ out.print("</center>\n");
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+ }
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+ }
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%>
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<html>
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@@ -83,9 +106,12 @@
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<body>
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<h1><a href="jobtracker.jsp"><%=trackerName%></a> Hadoop Machine List</h1>
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-<h2>Task Trackers</h2>
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<%
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- generateTaskTrackerTable(out, type, tracker);
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+ if (("excluded").equals(type)) {
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+ generateTableForExcludedNodes(out, tracker);
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+ } else {
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+ generateTaskTrackerTable(out, type, tracker);
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+ }
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%>
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<%
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Owen O'Malley