public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = null;
String statusText = "received";
// get the gridManager and populate needed values
GridManager gm = GridManagerFactory.getGridManager();
String supportedAppletVersion = gm.getSupportedAppletVersion();
if ((request.getParameter("version") != null)
&& (request.getParameter("version").equals(supportedAppletVersion))
&& (request.getParameter("nodeIdentifier") != null)) {
gm.processHeartbeat(request);
} else {
statusText = "rejected";
}
try {
// setup the heartbeat response
response.setContentType("text/plain");
out = response.getWriter();
out.println(statusText);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String context = "context0";
context = ServletUtilities.getContext(request);
Shepherd myShepherd = new Shepherd(context);
GridManager gm = GridManagerFactory.getGridManager();
// set up for response
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String action = request.getParameter("action");
System.out.println("scanTaskHandler action is: " + action);
if (action != null) {
if ((action.equals("removeTask")) && (request.getParameter("taskID") != null)) {
myShepherd.beginDBTransaction();
boolean locked = false;
// gotta check if it's a valid scanTask to begin with!
// check for permissions to delete this scanTask
boolean deletePermission = false;
deletePermission = true;
if ((myShepherd.isScanTask(request.getParameter("taskID"))) && (deletePermission)) {
try {
// change
ThreadPoolExecutor es = SharkGridThreadExecutorService.getExecutorService();
ScanTask st = myShepherd.getScanTask(request.getParameter("taskID"));
myShepherd.getPM().deletePersistent(st);
myShepherd.commitDBTransaction();
// scanTaskCleanupThread swiThread=new
// scanTaskCleanupThread(request.getParameter("taskID"));
es.execute(new ScanTaskCleanupThread(request.getParameter("taskID")));
} catch (Exception e) {
locked = true;
System.out.println("I encounter the following error while deleting a scanTask:");
e.printStackTrace();
myShepherd.rollbackDBTransaction();
}
if (!locked) {
// confirm success
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Success:</strong> The scanTask <i>"
+ request.getParameter("taskID")
+ "</i> has been removed.");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Return to scanTask administration page.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Error:</strong> The scanTask <i>"
+ request.getParameter("taskID")
+ "</i> was not removed. The task may be locked by another user or in process. Check the logs for more information.");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Return to scanTask administration page.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
myShepherd.rollbackDBTransaction();
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Error:</strong> The scanTask <i>"
+ request.getParameter("taskID")
+ "</i> was not identified in the database.");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Return to scanTask administration page.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else if ((action.equals("addTask")) && (request.getParameter("encounterNumber") != null)) {
myShepherd.getPM().setIgnoreCache(true);
boolean locked = false;
// String readableName="";
boolean successfulStore = false;
// set up our properties
java.util.Properties props2 = new java.util.Properties();
String secondRun = "true";
String rightScan = "false";
boolean isRightScan = false;
boolean writeThis = true;
// String uniqueNum="";
if (request.getParameter("writeThis") == null) {
writeThis = false;
}
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightScan = "true";
isRightScan = true;
}
props2.setProperty("epsilon", "0.01");
props2.setProperty("R", "8");
props2.setProperty("Sizelim", "0.85");
props2.setProperty("maxTriangleRotation", "10");
props2.setProperty("C", "0.99");
props2.setProperty("secondRun", secondRun);
props2.setProperty("rightScan", rightScan);
// let's check if a scanTask for this exists
System.out.println("scanTaskHandler: Checking whether this is a new scanTask...");
myShepherd.beginDBTransaction();
String sideIdentifier = "L";
if (rightScan.equals("true")) {
sideIdentifier = "R";
// numComparisons=myShepherd.getNumEncountersWithSpotData(true);
} else {
// numComparisons=myShepherd.getNumEncountersWithSpotData(false);
}
String taskIdentifier = "scan" + sideIdentifier + request.getParameter("encounterNumber");
ScanTask st = new ScanTask();
// let's do a check to see if too many scanTasks are in the queue
int taskLimit = gm.getScanTaskLimit();
int currentNumScanTasks = myShepherd.getNumUnfinishedScanTasks();
myShepherd.getPM().getFetchPlan().setGroup(FetchPlan.DEFAULT);
System.out.println("currentNumScanTasks is: " + currentNumScanTasks);
// int currentNumScanTasks=0;
if (currentNumScanTasks < taskLimit) {
int numComparisons = 0;
if (rightScan.equals("true")) {
// sideIdentifier="R";
numComparisons = myShepherd.getNumEncountersWithSpotData(true);
} else {
numComparisons = myShepherd.getNumEncountersWithSpotData(false);
}
myShepherd.getPM().getFetchPlan().setGroup(FetchPlan.DEFAULT);
System.out.println(
"scanTaskHandler: Under the limit, so proceeding to check for condiions for creating a new scanTask...");
if ((!myShepherd.isScanTask(taskIdentifier))) {
System.out.println("scanTaskHandler: This scanTask does not exist, so go create it...");
// check if this encounter has the needed spots to create the task
boolean hasNeededSpots = false;
Encounter enc = myShepherd.getEncounter(request.getParameter("encounterNumber"));
if ((rightScan.equals("true")) && (enc.getRightSpots() != null)) {
hasNeededSpots = true;
} else if (enc.getSpots() != null) {
hasNeededSpots = true;
}
if (hasNeededSpots) {
System.out.println("scanTaskHandler: I have needed spots...proceeding...");
st =
new ScanTask(
myShepherd,
taskIdentifier,
props2,
request.getParameter("encounterNumber"),
writeThis);
st.setNumComparisons(numComparisons - 1);
if (request.getRemoteUser() != null) {
st.setSubmitter(request.getRemoteUser());
}
System.out.println("scanTaskHandler: About to create a scanTask...");
successfulStore = myShepherd.storeNewTask(st);
if (!successfulStore) {
System.out.println("scanTaskHandler: Unsuccessful store...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
} else {
System.out.println("scanTaskHandler: Successful store...");
myShepherd.commitDBTransaction();
myShepherd.closeDBTransaction();
myShepherd = new Shepherd(context);
}
} else {
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
} else if (myShepherd.isScanTask(taskIdentifier)) {
System.out.println("scanTaskHandler: This is an existing scanTask...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
String rightFilter = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "&rightSide=true";
}
// if it exists already, advance to the scanTask administration page to await its
// completion
response.sendRedirect(
"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp");
} else {
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
}
if (!locked && successfulStore) {
try {
ThreadPoolExecutor es = SharkGridThreadExecutorService.getExecutorService();
es.execute(
new ScanWorkItemCreationThread(
taskIdentifier,
isRightScan,
request.getParameter("encounterNumber"),
writeThis,
context));
} catch (Exception e) {
System.out.println("I failed while constructing the workItems for a new scanTask.");
e.printStackTrace();
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
if (!locked) {
System.out.println("Trying to commit the add of the scanWorkItems");
// myShepherd.commitDBTransaction();
// myShepherd.closeDBTransaction();
System.out.println("I committed the workItems!");
String rightFilter = "L";
String rightURL = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "R";
rightURL = "&rightSide=true";
}
// confirm success
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Success:</strong> Your scan was successfully added to the sharkGrid!");
// out.println("<p><a
// href=\"http://"+CommonConfiguration.getURLLocation()+"/encounters/workAppletScan.jsp?number=scan"+rightFilter+request.getParameter("encounterNumber")+rightURL+"\">Start scanning for a match.</a></p>\n");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/encounters/encounter.jsp?number="
+ request.getParameter("encounterNumber")
+ "\">Return to encounter "
+ request.getParameter("encounterNumber")
+ ".</a></p>\n");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp"
+ "\">Go to sharkGrid administration to monitor for completion.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Failure:</strong> The scan could not be created or was not fully created!");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
out.println(ServletUtilities.getHeader(request));
out.println("<strong>Failure:</strong> I have NOT added this scanTask to the queue.");
if (currentNumScanTasks < taskLimit) {
out.println(
"The unfinished task limit of "
+ taskLimit
+ " has been filled. Please try adding the task to the queue again after existing tasks have finished.");
}
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else if (action.equals("addTuningTask")) {
// myShepherd.getPM().setIgnoreCache(true);
boolean locked = false;
// String readableName="";
boolean successfulStore = false;
int maxNumWorkItems = 99999999;
if ((request.getParameter("maxNumWorkItems") != null)
&& (!request.getParameter("maxNumWorkItems").equals(""))) {
maxNumWorkItems = Integer.parseInt(request.getParameter("maxNumWorkItems"));
}
// set up our properties
java.util.Properties props2 = new java.util.Properties();
String secondRun = "true";
String rightScan = "false";
boolean isRightScan = false;
boolean writeThis = true;
// String uniqueNum="";
if (request.getParameter("writeThis") == null) {
writeThis = false;
}
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightScan = "true";
isRightScan = true;
}
props2.setProperty("epsilon", "0.01");
props2.setProperty("R", "8");
props2.setProperty("Sizelim", "0.85");
props2.setProperty("maxTriangleRotation", "10");
props2.setProperty("C", "0.99");
props2.setProperty("secondRun", secondRun);
props2.setProperty("rightScan", rightScan);
// let's check if a scanTask for this exists
System.out.println("scanTaskHandler: Checking whether this is a new scanTask...");
myShepherd.beginDBTransaction();
String sideIdentifier = "L";
if (rightScan.equals("true")) {
sideIdentifier = "R";
// numComparisons=myShepherd.getNumEncountersWithSpotData(true);
} else {
// numComparisons=myShepherd.getNumEncountersWithSpotData(false);
}
String taskIdentifier = "TuningTask";
ScanTask st = new ScanTask();
// let's do a check to see if too many scanTasks are in the queue
int taskLimit = gm.getScanTaskLimit();
int currentNumScanTasks = myShepherd.getNumUnfinishedScanTasks();
myShepherd.getPM().getFetchPlan().setGroup(FetchPlan.DEFAULT);
System.out.println("currentNumScanTasks is: " + currentNumScanTasks);
// int currentNumScanTasks=0;
if (currentNumScanTasks < taskLimit) {
Vector leftSharks = myShepherd.getPossibleTrainingIndividuals();
Vector rightSharks = myShepherd.getRightPossibleTrainingIndividuals();
int numComparisons = 0;
// calculate the number of comparisons that can be made
int numLeftSharks = leftSharks.size();
for (int i = 0; i < numLeftSharks; i++) {
MarkedIndividual s = (MarkedIndividual) leftSharks.get(i);
int numTrainable = s.getNumberTrainableEncounters();
// int numCompareEncounters=s.getNumberTrainableEncounters();
// for(int j=(numCompareEncounters-1);j>1;j--){
// numCompareEncounters=numCompareEncounters*j;
// }
// numCompareEncounters=numCompareEncounters/(2*(numTrainable-2));
// numComparisons=numComparisons+numCompareEncounters;
numComparisons = numComparisons + combinations(numTrainable, 2);
}
int numRightSharks = rightSharks.size();
for (int i = 0; i < numRightSharks; i++) {
MarkedIndividual s = (MarkedIndividual) rightSharks.get(i);
int numCompareEncounters = s.getNumberRightTrainableEncounters();
// for(int j=(numCompareEncounters-1);j>1;j--){
// numCompareEncounters=numCompareEncounters*j;
// }
// numComparisons=numComparisons+numCompareEncounters;
numComparisons = numComparisons + combinations(numCompareEncounters, 2);
}
System.out.println(
"scanTaskHandler: Under the limit, so proceeding to check for condiions for creating a new scanTask...");
if ((!myShepherd.isScanTask(taskIdentifier))) {
// System.out.println("scanTaskHandler: This scanTask does not exist, so go create
// it...");
st = new ScanTask(myShepherd, taskIdentifier, props2, "TuningTask", writeThis);
if (numComparisons < (2 * maxNumWorkItems)) {
st.setNumComparisons(numComparisons);
} else {
st.setNumComparisons((2 * maxNumWorkItems));
}
if (request.getRemoteUser() != null) {
st.setSubmitter(request.getRemoteUser());
}
System.out.println("scanTaskHandler: About to create a TuningTask...");
successfulStore = myShepherd.storeNewTask(st);
if (!successfulStore) {
System.out.println("scanTaskHandler: Unsuccessful TuningTask store...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
} else {
System.out.println("scanTaskHandler: Successful TuningTask store...");
myShepherd.commitDBTransaction();
myShepherd.closeDBTransaction();
myShepherd = new Shepherd(context);
}
} else if (myShepherd.isScanTask(taskIdentifier)) {
System.out.println("scanTaskHandler: This is an existing scanTask...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
String rightFilter = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "&rightSide=true";
}
// if it exists already, advance to the scan page to assist it
response.sendRedirect(
"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/encounters/workAppletScan.jsp?writeThis=true&number="
+ taskIdentifier
+ rightFilter);
} else {
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
}
if (!locked && successfulStore) {
try {
ThreadPoolExecutor es = SharkGridThreadExecutorService.getExecutorService();
es.execute(
new TuningTaskCreationThread(taskIdentifier, writeThis, maxNumWorkItems, context));
} catch (Exception e) {
System.out.println("I failed while constructing the workItems for a new scanTask.");
e.printStackTrace();
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
if (!locked) {
System.out.println("Trying to commit the add of the scanWorkItems");
// myShepherd.commitDBTransaction();
// myShepherd.closeDBTransaction();
System.out.println("I committed the workItems!");
String rightFilter = "L";
String rightURL = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "R";
rightURL = "&rightSide=true";
}
// confirm success
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Success:</strong> Your scan was successfully added to the sharkGrid!");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp"
+ "\">Return to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Failure:</strong> The scan could not be created or was not fully created!");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
out.println(ServletUtilities.getHeader(request));
out.println("<strong>Failure:</strong> I have NOT added this scanTask to the queue.");
if (currentNumScanTasks < taskLimit) {
out.println(
"The unfinished task limit of "
+ taskLimit
+ " has been filled. Please try adding the task to the queue again after existing tasks have finished.");
}
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else if (action.equals("addFalseMatchTask")) {
boolean locked = false;
boolean successfulStore = false;
int maxNumWorkItems = 99999999;
if ((request.getParameter("maxNumWorkItems") != null)
&& (!request.getParameter("maxNumWorkItems").equals(""))) {
maxNumWorkItems = Integer.parseInt(request.getParameter("maxNumWorkItems"));
}
// set up our properties
java.util.Properties props2 = new java.util.Properties();
String secondRun = "true";
String rightScan = "false";
boolean isRightScan = false;
boolean writeThis = true;
if (request.getParameter("writeThis") == null) {
writeThis = false;
}
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightScan = "true";
isRightScan = true;
}
props2.setProperty("epsilon", "0.01");
props2.setProperty("R", "8");
props2.setProperty("Sizelim", "0.85");
props2.setProperty("maxTriangleRotation", "10");
props2.setProperty("C", "0.99");
props2.setProperty("secondRun", secondRun);
props2.setProperty("rightScan", rightScan);
// let's check if a scanTask for this exists
System.out.println(
"scanTaskHandler: Checking whether this is a new False Match scanTask...");
myShepherd.beginDBTransaction();
String sideIdentifier = "L";
if (rightScan.equals("true")) {
sideIdentifier = "R";
}
String taskIdentifier = "FalseMatchTask";
ScanTask st = new ScanTask();
// let's do a check to see if too many scanTasks are in the queue
int taskLimit = gm.getScanTaskLimit();
int currentNumScanTasks = myShepherd.getNumUnfinishedScanTasks();
myShepherd.getPM().getFetchPlan().setGroup(FetchPlan.DEFAULT);
System.out.println("currentNumScanTasks is: " + currentNumScanTasks);
// int currentNumScanTasks=0;
if (currentNumScanTasks < taskLimit) {
// Vector leftSharks=myShepherd.getPossibleTrainingSharks();
// Vector rightSharks=myShepherd.getRightPossibleTrainingSharks();
int numComparisons = maxNumWorkItems * 2;
System.out.println(
"scanTaskHandler: Under the limit, so proceeding to check for condiions for creating a new scanTask...");
if ((!myShepherd.isScanTask(taskIdentifier))) {
// System.out.println("scanTaskHandler: This scanTask does not exist, so go create
// it...");
st = new ScanTask(myShepherd, taskIdentifier, props2, "FalseMatchTask", writeThis);
st.setNumComparisons(numComparisons);
if (request.getRemoteUser() != null) {
st.setSubmitter(request.getRemoteUser());
}
System.out.println("scanTaskHandler: About to create a TuningTask...");
successfulStore = myShepherd.storeNewTask(st);
if (!successfulStore) {
System.out.println("scanTaskHandler: Unsuccessful FalseMatchTask store...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
} else {
System.out.println("scanTaskHandler: Successful FalseMatchTask store...");
myShepherd.commitDBTransaction();
myShepherd.closeDBTransaction();
myShepherd = new Shepherd(context);
}
} else if (myShepherd.isScanTask(taskIdentifier)) {
System.out.println("scanTaskHandler: This is an existing scanTask...");
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
String rightFilter = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "&rightSide=true";
}
// if it exists already, advance to the scan page to assist it
response.sendRedirect(
"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/encounters/workAppletScan.jsp?writeThis=true&number="
+ taskIdentifier
+ rightFilter);
} else {
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
}
if (!locked && successfulStore) {
try {
ThreadPoolExecutor es = SharkGridThreadExecutorService.getExecutorService();
es.execute(new FalseMatchCreationThread(maxNumWorkItems, taskIdentifier, context));
} catch (Exception e) {
System.out.println("I failed while constructing the workItems for a new scanTask.");
e.printStackTrace();
myShepherd.rollbackDBTransaction();
myShepherd.closeDBTransaction();
locked = true;
}
if (!locked) {
System.out.println("Trying to commit the add of the scanWorkItems");
// myShepherd.commitDBTransaction();
// myShepherd.closeDBTransaction();
System.out.println("I committed the workItems!");
String rightFilter = "L";
String rightURL = "";
if ((request.getParameter("rightSide") != null)
&& (request.getParameter("rightSide").equals("true"))) {
rightFilter = "R";
rightURL = "&rightSide=true";
}
// confirm success
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Success:</strong> Your scan was successfully added to the sharkGrid!");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp"
+ "\">Return to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Failure:</strong> The scan could not be created or was not fully created!");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
out.println(ServletUtilities.getHeader(request));
out.println("<strong>Failure:</strong> I have NOT added this scanTask to the queue.");
if (currentNumScanTasks < taskLimit) {
out.println(
"The unfinished task limit of "
+ taskLimit
+ " has been filled. Please try adding the task to the queue again after existing tasks have finished.");
}
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
}
// delete all scan-related items
else if (action.equals("removeAllWorkItems")) {
try {
GridCleanupThread swiThread = new GridCleanupThread(context);
gm.removeAllWorkItems();
// confirm success
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Success:</strong> I removed all outstanding scanWorkItems from the database.<br>/<strong>Warning!</strong> <em>This may cause any outstanding scanTasks to fail!</em>");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
} catch (Exception e) {
e.printStackTrace();
myShepherd.rollbackDBTransaction();
out.println(ServletUtilities.getHeader(request));
out.println(
"<strong>Failure:</strong> I failed to remove all outstanding scanWorkItems from the database. Check the log for more information.");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<p>I did not receive enough data to process your command, or you do not have the necessary permissions to perform this operation.</p>");
out.println(
"<p><a href=\"http://"
+ CommonConfiguration.getURLLocation(request)
+ "/appadmin/scanTaskAdmin.jsp\">Go to sharkGrid administration.</a></p>\n");
out.println(ServletUtilities.getFooter(context));
}
} else {
out.println(ServletUtilities.getHeader(request));
out.println(
"<p>I did not receive enough data to process your command, or you do not have the necessary permissions to perform this operation. </p>");
out.println("<p>Please try again or <a href=\"welcome.jsp\">login here</a>.");
out.println(ServletUtilities.getFooter(context));
}
myShepherd.closeDBTransaction();
myShepherd = null;
out.flush();
out.close();
}