private void ConnectKnowledgeBaseBtnMouseClicked(
java.awt.event.MouseEvent evt) { // GEN-FIRST:event_ConnectKnowledgeBaseBtnMouseClicked
String sPrjFile = ProjectNameTF.getText().trim();
String sLocationURI = sURI + "Location";
Collection errors = new ArrayList();
Date d1 = new Date();
long l1 = d1.getTime();
prj = Project.loadProjectFromFile(sPrjFile, errors);
owlModel = (OWLModel) prj.getKnowledgeBase();
kb = prj.getKnowledgeBase();
URI uri = prj.getActiveRootURI();
Collection colNumberOfInstance = kb.getInstances();
lNumberOfInstance = colNumberOfInstance.size();
Date d2 = new Date();
long l2 = d2.getTime();
lLoadedTime = (l2 - l1);
theLogger.info("Connected to MySQL in " + lLoadedTime + " ms");
theLogger.info("KB has " + lNumberOfInstance + " instances");
LoggingAreaTA.append("Project has " + lNumberOfInstance + " in total\n");
LoggingAreaTA.append("Project is loaded in " + lLoadedTime + " ms\n");
} // GEN-LAST:event_ConnectKnowledgeBaseBtnMouseClicked
// function to do the join use case
public static void share() throws Exception {
HttpPost method = new HttpPost(url + "/share");
String ipAddress = null;
Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
while (en.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) en.nextElement();
if (ni.getName().equals("eth0")) {
Enumeration<InetAddress> en2 = ni.getInetAddresses();
while (en2.hasMoreElements()) {
InetAddress ip = (InetAddress) en2.nextElement();
if (ip instanceof Inet4Address) {
ipAddress = ip.getHostAddress();
break;
}
}
break;
}
}
method.setEntity(new StringEntity(username + ';' + ipAddress, "UTF-8"));
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
connIp = client.execute(method, responseHandler);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
// get present time
date = new Date();
long start = date.getTime();
// Execute the vishwa share process
Process p = Runtime.getRuntime().exec("java -jar vishwa/JVishwa.jar " + connIp);
String ch = "alive";
System.out.println("Type kill to unjoin from the grid");
while (!ch.equals("kill")) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
ch = in.readLine();
}
p.destroy();
date = new Date();
long end = date.getTime();
long durationInt = end - start;
String duration = String.valueOf(durationInt);
method = new HttpPost(url + "/shareAck");
method.setEntity(new StringEntity(username + ";" + duration, "UTF-8"));
try {
client.execute(method);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
}
// function to do the compute use case
public static void compute() throws Exception {
HttpPost method = new HttpPost(url + "/compute");
method.setEntity(new StringEntity(username, "UTF-8"));
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
connIp = client.execute(method, responseHandler);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
System.out.println("Give the file name which has to be put in the grid for computation");
// input of the file name to be computed
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String name = in.readLine();
// get the absolute path of the current working directory
File directory = new File(".");
String pwd = directory.getAbsolutePath();
// get present time
date = new Date();
long start = date.getTime();
String cmd = "java -classpath " + pwd + "/vishwa/JVishwa.jar:. " + name + " " + connIp;
System.out.println(cmd);
// Execute the vishwa compute process
Process p = Runtime.getRuntime().exec(cmd);
// wait till the compute process is completed
// check for the status code (0 for successful termination)
int status = p.waitFor();
if (status == 0) {
System.out.println("Compute operation successful. Check the directory for results");
}
date = new Date();
long end = date.getTime();
long durationInt = end - start;
String duration = String.valueOf(durationInt);
method = new HttpPost(url + "/computeAck");
method.setEntity(new StringEntity(username + ";" + duration, "UTF-8"));
try {
client.execute(method);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
}
public SetIfModifiedSince() throws Exception {
serverSock = new ServerSocket(0);
int port = serverSock.getLocalPort();
Thread thr = new Thread(this);
thr.start();
Date date = new Date(new Date().getTime() - 1440000); // this time yesterday
URL url;
HttpURLConnection con;
// url = new URL(args[0]);
url = new URL("http://localhost:" + String.valueOf(port) + "/anything");
con = (HttpURLConnection) url.openConnection();
con.setIfModifiedSince(date.getTime());
con.connect();
int ret = con.getResponseCode();
if (ret == 304) {
System.out.println("Success!");
} else {
throw new RuntimeException(
"Test failed! Http return code using setIfModified method is:"
+ ret
+ "\nNOTE:some web servers are not implemented according to RFC, thus a failed test does not necessarily indicate a bug in setIfModifiedSince method");
}
}
/**
* Returns the time that the file denoted by this abstract pathname was last modified.
*
* @return A <code>long</code> value representing the time the file was last modified, measured in
* system-dependent way.
*/
public long lastModified() {
try {
Date date = ftpClient.lastModified(getPath());
return date.getTime();
} catch (IOException e) {
return 0;
} catch (FTPException e) {
return 0;
}
}
public static long getDateHeader(String stringValue) throws ParseException {
for (SimpleDateFormat dateHeaderFormat : dateHeaderFormats) {
try {
Date date = dateHeaderFormat.parse(stringValue);
return date.getTime();
} catch (
Exception
e) { // used to be ParseException, but NumberFormatException may be thrown as well
// Ignore and try next
}
}
throw new ParseException(stringValue, 0);
}
/**
* Waits until either the State attribute of this MBean equals the specified <VAR>state</VAR>
* parameter, or the specified <VAR>timeout</VAR> has elapsed. The method <CODE>waitState</CODE>
* returns with a boolean value indicating whether the specified <VAR>state</VAR> parameter equals
* the value of this MBean's State attribute at the time the method terminates.
*
* <p>Two special cases for the <VAR>timeout</VAR> parameter value are:
*
* <UL>
* <LI>if <VAR>timeout</VAR> is negative then <CODE>waitState</CODE> returns immediately (i.e.
* does not wait at all),
* <LI>if <VAR>timeout</VAR> equals zero then <CODE>waitState</CODE> waits until the value of
* this MBean's State attribute is the same as the <VAR>state</VAR> parameter (i.e. will
* wait indefinitely if this condition is never met).
* </UL>
*
* @param state The value of this MBean's State attribute to wait for. <VAR>state</VAR> can be one
* of: <CODE>DiscoveryResponder.OFFLINE</CODE>, <CODE>DiscoveryResponder.ONLINE</CODE>, <CODE>
* DiscoveryResponder.STARTING</CODE>, <CODE>DiscoveryResponder.STOPPING</CODE>.
* @param timeout The maximum time to wait for, in milliseconds, if positive. Infinite time out if
* 0, or no waiting at all if negative.
* @return <code>true</code> if the value of this MBean's State attribute is the same as the
* <VAR>state</VAR> parameter; <code>false</code> otherwise.
*/
public boolean waitState(int state, long timeout) {
if (logger.finerOn()) {
logger.finer(
"waitState",
state + "(0on,1off,2st) TO=" + timeout + " ; current state = " + getStateString());
}
// ------------
// Test timeout
// ------------
if (timeout < 0) {
return (this.state == state);
}
boolean done = (this.state == state);
Date currentDate;
long currentTimeOut = -1;
// -----------------
// Date start
// -----------------
Date endDate = new Date((new Date()).getTime() + timeout);
while (!done) {
// -----------------
// Find out timeout
// ----------------
if (timeout != 0) {
currentTimeOut = endDate.getTime() - (new Date()).getTime();
if (currentTimeOut <= 0) {
done = true;
break;
}
}
try {
synchronized (this) {
if (timeout == 0) {
if (logger.finerOn()) {
logger.finer("waitState", "Start waiting infinite, current state = " + this.state);
}
done = (this.state == state);
while (!done) {
done = (this.state == state);
try {
wait(1000);
} catch (Exception e) {
}
}
} else {
if (logger.finerOn()) {
logger.finer(
"waitState",
"Start waiting " + currentTimeOut + " current state = " + this.state);
}
wait(currentTimeOut);
}
}
done = (this.state == state);
} catch (InterruptedException e) {
done = (this.state == state);
}
}
if (logger.finerOn()) {
logger.finer("waitState", "End, TO=" + currentTimeOut);
}
return (this.state == state);
}
/**
* Returns a long containing the NTP value for a given Java Date.
*
* @param d Date to set
* @return long
*/
public static long getNtpTime(Date d) throws SdpParseException {
if (d == null) return -1;
return ((d.getTime() / 1000) + SdpConstants.NTP_CONST);
}
