/** Run CWDataBrowserReset */
void runCWDataBrowserReset() {
// is there already a reset thread?
if (resetThread != null) {
String2.log(String2.ERROR + " in runCWDataBrowserReset: resetThread!=null");
return;
}
// create a lower priority thread and run cwDataBrowserReset
timeOfLastReset = System.currentTimeMillis();
cwDataBrowserReset = new CWDataBrowserReset();
resetThread = new Thread(cwDataBrowserReset);
resetThread.setPriority(Thread.currentThread().getPriority() - 2);
// -2 because some adjacent priorities map to the same OS priority
resetThread.start();
}
/**
* This gets the data from CWDataBrowserReset (if any is available)
*
* @return true if reset info was successfully retrieved
*/
public boolean getDataFromReset() {
// is there no resetThread?
if (resetThread == null) return false;
// is the resetThread still running?
if (resetThread.isAlive()) return false;
// did the resetThread throw an exception?
String2.log(cwDataBrowserReset.runInfo.toString());
if (cwDataBrowserReset.runError.length() > 0) {
// error already printed to Tomcat's log
// there is nothing more to be done
// keep using old data
// send email to Bob Simons?
cwDataBrowserReset = null;
resetThread = null;
return false;
}
// store dataSet info
activeDataSetOptions = cwDataBrowserReset.activeDataSetOptions;
activeDataSetTitles = cwDataBrowserReset.activeDataSetTitles;
activeDataSetContents = cwDataBrowserReset.activeDataSetContents;
dataSet.setOptions(activeDataSetOptions); // 1 time only; doesn't change till next reset()
dataSet.setTitles(activeDataSetTitles); // 1 time only; doesn't change till next reset()
if (verbose)
String2.log("activeDataSetTitles: " + String2.toNewlineString(activeDataSetTitles));
// print lots of useful information
String2.log(
"\n"
+ String2.makeString('*', 80)
+ "\nCWDataBrowser.getDataFromReset "
+ Calendar2.getCurrentISODateTimeStringLocal());
String2.log("CWDataBrowser construction was at " + constructorDateTime + ". Since then...\n");
String2.log("Data files found which have matching .gif files:");
String2.log(getUsageStatistics());
String2.log(" number of page requests initiated since construction: " + nRequestsInitiated);
String2.log(" number of page requests completed since construction: " + nRequestsCompleted);
if (nRequestsInitiated > 0) {
DecimalFormat percent = new DecimalFormat("##0.000");
double nRequests = nRequestsInitiated / 100.0;
String2.log("Data Set Usage:");
for (int i = 0; i < dataSetOptions.length; i++)
String2.log(
String2.right(percent.format(dataSetRequests[i] / nRequests), 9)
+ "% were for "
+ dataSetOptions[i]);
String2.log("Time Period Usage:");
for (int i = 0; i < timePeriodOptions.length; i++)
String2.log(
String2.right(percent.format(timePeriodRequests[i] / nRequests), 9)
+ "% were for "
+ timePeriodOptions[i]);
String2.log("Region Usage:");
for (int i = 0; i < regionOptions.length; i++)
String2.log(
String2.right(percent.format(regionRequests[i] / nRequests), 9)
+ "% were for "
+ regionOptions[i]);
}
String2.log(
SSR.getTopN(printTopNMostRequested, " Most Requested .gif files", requestedFilesMap));
// data was successfully gathered from CWDataBrowserReset
resetThread = null;
cwDataBrowserReset = null;
return true;
}
/** Constructor */
public CWDataBrowser() throws Exception {
super("gov.noaa.pfel.coastwatch.CWDataBrowser");
constructorDateTime = Calendar2.getCurrentISODateTimeStringLocal();
// addAttribute(new EmaLabel(this, "instructions"));
addAttribute(dataSet = new EmaSelect(this, "dataSet"));
addAttribute(region = new EmaSelect(this, "region"));
addAttribute(timePeriod = new EmaSelect(this, "timePeriod"));
addAttribute(date = new EmaSelect(this, "date"));
addAttribute(formSubmitted = new EmaHidden(this, "formSubmitted"));
addAttribute(submitForm = new EmaButton(this, "submitForm"));
// one time things
verbose = classRB2.getBoolean("verbose", false);
// contextDirectory and logs (file will be in same dir as this class's source code, named
// log.txt)
contextDirectory = classRB2.getString("contextDirectory", "");
int logPo = fullClassName.lastIndexOf('.');
String logDir = String2.replaceAll(fullClassName.substring(0, logPo + 1), ".", "/");
String2.setupLog(
false,
false,
String2.getClassPath() + logDir + "log.txt", // with / separator
true,
String2.logFileDefaultMaxSize); // append?
String2.log(
"\n"
+ String2.makeString('*', 80)
+ "\nCWDataBrowser.constructor "
+ constructorDateTime
+ "\nlogFile="
+ String2.logFileName()
+ "\n"
+ String2.standardHelpAboutMessage());
// get baseDataDirectory (for access within this program)
baseDataDirectory = classRB2.getString("dataDirectory", null);
Test.ensureNotNull(baseDataDirectory, "dataDirectory");
// get dataServer (for web-based access to the data)
dataServer = classRB2.getString("dataServer", null);
Test.ensureNotNull(dataServer, "dataServer");
// how often should reset be called?
resetEveryNMillis = classRB2.getInt("resetEveryNMinutes", 10) * 60000; // millis/min
// printTopNMostRequested
printTopNMostRequested = classRB2.getInt("printTopNMostRequested", 50);
// lookForAllUnusedDataFiles
lookForAllUnusedDataFiles = classRB2.getBoolean("lookForAllUnusedDataFiles", false);
// get the name of the file with the small regions map
regionsImage = classRB2.getString("regionsImage", "");
regionsImageTitle = classRB2.getString("regionsImage.title", "");
regionsImageAlt = classRB2.getString("regionsImage.alt", "");
// get title
title = classRB2.getString("title.value", "");
// get dataSet properties
dataSetOptions = classRB2.getString("dataSet.options", null).split("\f");
dataSetTitles = classRB2.getString("dataSet.title", null).split("\f");
dataSetDirectories = classRB2.getString("dataSet.directories", null).split("\f");
dataSetRegexs = classRB2.getString("dataSet.regexs", null).split("\f");
if (dataSetRequests == null) dataSetRequests = new int[dataSetOptions.length];
boolean trouble =
dataSetOptions.length != (dataSetTitles.length - 1)
|| // 1 extra title (main)
dataSetOptions.length != dataSetDirectories.length
|| dataSetOptions.length != dataSetRegexs.length;
if (verbose || trouble)
String2.log(
"baseDataDirectory: "
+ baseDataDirectory
+ "\n"
+ "dataSetOptions: "
+ String2.toCSSVString(dataSetOptions)
+ "\n"
+ "dataSetTitles: "
+ String2.toNewlineString(dataSetTitles)
+ "\n"
+ "dataSetDirectories: "
+ String2.toCSSVString(dataSetDirectories)
+ "\n"
+ "dataSetRegexs: "
+ String2.toCSSVString(dataSetRegexs));
if (trouble)
throw new RuntimeException(
String2.ERROR
+ ": CWDataBrowser.reset "
+ "nDataSetOptions "
+ dataSetOptions.length
+ " != nDataSetTitles "
+ dataSetTitles.length
+ " != nDataSetDirectories "
+ dataSetDirectories.length
+ " != nDataSetRegexs "
+ dataSetRegexs.length);
// get region properties
regionOptions = classRB2.getString("region.options", null).split("\f");
regionTitles = classRB2.getString("region.title", null).split("\f");
regionRegexs = classRB2.getString("region.regexs", null).split("\f");
regionCoordinates = classRB2.getString("region.coordinates", null).split("\f");
regionRequests = new int[regionOptions.length];
trouble =
regionOptions.length != (regionTitles.length - 1)
|| // 1 extra title (main)
regionOptions.length != regionRegexs.length
|| regionOptions.length != regionCoordinates.length;
if (verbose || trouble)
String2.log(
"regionOptions: "
+ String2.toCSSVString(regionOptions)
+ "\n"
+ "regionTitles: "
+ String2.toNewlineString(regionTitles)
+ "\n"
+ "regionRegexs: "
+ String2.toCSSVString(regionRegexs));
if (trouble)
throw new RuntimeException(
String2.ERROR
+ ": CWDataBrowser.reset "
+ "nRegionOptions "
+ regionOptions.length
+ " != nRegionTitles "
+ regionTitles.length
+ " != nRegionRegexs "
+ regionRegexs.length
+ " != nRegionCoordinates "
+ regionCoordinates.length);
// get timePeriod properties
timePeriodOptions = classRB2.getString("timePeriod.options", null).split("\f");
timePeriodTitles = classRB2.getString("timePeriod.title", null).split("\f");
timePeriodDirectories = classRB2.getString("timePeriod.directories", null).split("\f");
timePeriodRequests = new int[timePeriodOptions.length];
trouble =
timePeriodOptions.length != (timePeriodTitles.length - 1)
|| // 1 extra title (main)
timePeriodOptions.length != timePeriodDirectories.length;
if (verbose || trouble)
String2.log(
"timePeriodOptions: "
+ String2.toCSSVString(timePeriodOptions)
+ "\n"
+ "timePeriodTitles: "
+ String2.toNewlineString(timePeriodTitles)
+ "\n"
+ "timePeriodDirectories: "
+ String2.toCSSVString(timePeriodDirectories));
if (trouble)
throw new RuntimeException(
String2.ERROR
+ ": CWDataBrowser.reset "
+ "nTimePeriodOptions "
+ timePeriodOptions.length
+ " != nTimePeriodTitles "
+ timePeriodTitles.length
+ " "
+ " != nTimePeriodDirectories "
+ timePeriodDirectories.length);
// get 'get' properties
// the first 'get' option must be .gif; a .gif file must be present before looking for others
getOptions = classRB2.getString("get.options", null).split("\f");
getTitles = classRB2.getString("get.title", null).split("\f");
getDirectories = classRB2.getString("get.directories", null).split("\f");
getRegexs = classRB2.getString("get.regexs", null).split("\f");
getExtensions = classRB2.getString("get.extensions", null).split("\f");
hereIs = classRB2.getString("hereIs", null);
hereIsAlt = classRB2.getString("hereIsAlt", null);
trouble =
getOptions.length != (getTitles.length - 1)
|| // 1 extra title (main)
getOptions.length != getDirectories.length
|| getOptions.length != getRegexs.length
|| getOptions.length != getExtensions.length;
if (verbose || trouble)
String2.log(
"getOptions: "
+ String2.toCSSVString(getOptions)
+ "\n"
+ "getDirectories: "
+ String2.toCSSVString(getDirectories)
+ "\n"
+ "getExtensions: "
+ String2.toCSSVString(getExtensions)
+ "\n"
+ "getRegexs: "
+ String2.toCSSVString(getRegexs));
if (trouble)
throw new RuntimeException(
String2.ERROR
+ ": CWDataBrowser.reset \n"
+ "nGetOptions "
+ getOptions.length
+ " != nGetTitles "
+ getTitles.length
+ " != nGetDirectories "
+ getDirectories.length
+ " != nGetRegexs "
+ getRegexs.length
+ " != nGetExtensions "
+ getExtensions.length);
requestedFilesMap = new ConcurrentHashMap(128, 0.75f, 4); // thread-safe
// EmaAttribute.verbose= true;
// reset after attributes have been created
runCWDataBrowserReset();
resetThread.join();
boolean ok = getDataFromReset(); // it should succeed first try
if (!ok) throw new RuntimeException(String2.ERROR + " in CWDataBrowserReset.");
}
