// saves the current configuration (breakpoints, window sizes and positions...)
private void saveConfig() {
try {
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(idxName + ".config"));
Breakpoints.save(out);
Properties.save(out);
out.close();
} catch (IOException exc) {
consoleFrame.echoInfo("Could not save settings: " + exc);
}
}
// create a new profile: read the script and possibly execute the queries,
// save the stats (if 'import' == true, we assume the profile already exists
// and don't run the queries)
public void createWkld(String name, String scriptFile, boolean runQueries) {
System.gc();
Workload wkld = new Workload(name);
if (showCmdsItem.getState()) {
consoleFrame.echoCmd((!runQueries ? "importprof " : "newwkld ") + name + " " + scriptFile);
}
// construct the Workload object from the script;
// first, check if the file exists
try {
FileReader reader = new FileReader(scriptFile);
reader.close();
} catch (FileNotFoundException e) {
System.out.println("couldn't open " + scriptFile);
return;
} catch (IOException e) {
System.out.println("couldn't close " + scriptFile);
}
// now, check if it contains only queries
int scriptId = 0;
try {
scriptId = Libgist.openScript(scriptFile);
} catch (LibgistException e) {
System.out.println("couldn't open (C) " + scriptFile);
return;
}
char[] arg1 = new char[64 * 1024];
StringBuffer arg1Buf = new StringBuffer();
char[] arg2 = new char[64 * 1024];
StringBuffer arg2Buf = new StringBuffer();
// for (;;) {
// int cmd = Libgist.getCommand(scriptId, arg1, arg2);
// if (cmd == Libgist.EOF) break;
// if (cmd != Libgist.FETCH) {
// there should only be queries
// System.out.println("Script file contains non-SELECT command");
// return;
// }
// }
if (runQueries) {
// turn profiling on and execute queries
// Libgist.setProfilingEnabled(true);
Libgist.disableBps(true); // we don't want to stop at breakpoints
// rescan queries
try {
scriptId = Libgist.openScript(scriptFile);
} catch (LibgistException e) {
System.out.println("couldn't open (C) " + scriptFile);
return;
}
int cnt = 1;
// for (;;) {
// int cmd = Libgist.getCommand(scriptId, arg1, arg2);
// if (cmd == Libgist.EOF) break;
// arg1Buf.setLength(0);
// arg1Buf.append(arg1, 0, strlen(arg1));
// arg2Buf.setLength(0);
// arg2Buf.append(arg2, 0, strlen(arg2));
// OpThread.execCmd(LibgistCommand.FETCH, arg1Buf.toString(),
// arg2Buf.toString(), false);
// System.out.print(cnt + " ");
// System.out.println(cnt + ": execute " + arg2Buf.toString() + " "
// + arg1Buf.toString());
// cnt++;
// }
System.out.println();
Libgist.disableBps(false);
// compute optimal clustering and some more statistics
// Libgist.computeMetrics(wkld.filename);
}
// save profile
try {
// we're saving Java and C++ data in separate files (filename and filename.prof)
// the profile object only contains the filename, the queries will be
// read in from the file when the profile is opened (faster that way)
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(wkld.filename));
out.writeObject(wkld);
out.close();
System.out.println("copy query file");
Runtime.getRuntime().exec("cp " + scriptFile + " " + wkld.filename + ".queries");
System.out.println("saving tree and profile");
Libgist.saveToFile(wkld.filename + ".idx");
if (runQueries) {
// Libgist.saveProfile(wkld.filename + ".prof");
}
} catch (Exception e) {
System.out.println("Error saving profile: " + e);
return;
}
if (runQueries) {
// turn profiling off (after the metrics were computed and
// the profile saved)
// Libgist.setProfilingEnabled(false);
}
}
public void processItem(String key, String data) {
if (!inWkld && showResultsItem.getState()) {
consoleFrame.echoTuple(key + ": " + data);
}
}
public void updateGuiState(int priorState, LibgistCommand cmd, boolean success) {
switch (cmd.cmdType) {
case LibgistCommand.CREATE:
case LibgistCommand.OPEN:
resetState();
if (!success) return; // done
setGuiState(IDXOPENSTATE);
isOpen = true;
idxName = cmd.indexName.toString();
if (cmd.cmdType == LibgistCommand.CREATE) {
resetConfig();
} else {
restoreConfig();
}
// setTitle("amdb: " + filename);
setTree(idxName);
try {
treeView = new TreeView(desktop); // creates a display of the opened index
desktop.add(treeView, JLayeredPane.PALETTE_LAYER);
} catch (LibgistException e) {
// what to do now?
consoleFrame.echoInfo("new TreeView() failed");
}
break;
case LibgistCommand.CLOSE:
saveConfig();
resetState();
break;
case LibgistCommand.OPENANL:
resetState();
if (!success) return; // done
// enable menu items and open tree view
setGuiState(ANLOPENSTATE);
// setTitle("amdb: " + filename);
setTree(idxName);
try {
treeView = new TreeView(desktop); // creates a display of the opened index
desktop.add(treeView, JLayeredPane.PALETTE_LAYER);
} catch (LibgistException e) {
// what to do now?
consoleFrame.echoInfo("new TreeView() failed");
}
// get ready to display dialogs
if (analysisInfo.actualHasWkldStats) {
wkldStatsDlg.init(treeView);
}
if (analysisInfo.actualHasSplitStats) {
splitStatsDlg.init(treeView);
}
if (analysisInfo.actualHasPenaltyStats) {
penaltyStatsDlg.init(treeView);
}
break;
case LibgistCommand.CLOSEANL:
treeView.dispose();
treeView = null;
setGuiState(INITSTATE);
setTree("");
break;
// if these didn't work, we don't care
case LibgistCommand.INSERT:
case LibgistCommand.REMOVE:
case LibgistCommand.FETCH:
case LibgistCommand.FLUSH:
case LibgistCommand.CREATEANL:
case LibgistCommand.SCRIPT:
setGuiState(priorState);
break;
}
}
public void echoCmd(LibgistCommand cmd) {
if (!showCmdsItem.getState()) {
return;
}
echoBuffer.setLength(0); // reset
switch (cmd.cmdType) {
case LibgistCommand.INSERT:
echoBuffer.append("insert \"").append(cmd.key);
echoBuffer.append("\" \"").append(cmd.data).append("\"");
break;
case LibgistCommand.REMOVE:
echoBuffer.append("delete \"").append(cmd.qual);
echoBuffer.append("\"");
break;
case LibgistCommand.FETCH:
echoBuffer.append("select ");
if (cmd.fetchLimit > 0) {
echoBuffer.append(cmd.fetchLimit).append(" ");
}
echoBuffer.append("\"").append(cmd.qual).append("\"");
break;
case LibgistCommand.CREATE:
echoBuffer.append("create ").append(cmd.indexName);
echoBuffer.append(" ").append(cmd.extension);
break;
case LibgistCommand.OPEN:
echoBuffer.append("open ").append(cmd.indexName);
break;
case LibgistCommand.CLOSE:
echoBuffer.append("close");
break;
case LibgistCommand.FLUSH:
echoBuffer.append("flush");
break;
case LibgistCommand.OPENANL:
echoBuffer.append("openanl ").append(cmd.analysisFile.getPath());
break;
case LibgistCommand.CLOSEANL:
echoBuffer.append("closeanl");
break;
case LibgistCommand.CREATEANL:
echoBuffer.append("createanl");
break;
case LibgistCommand.SCRIPT:
echoBuffer.append("executing script...");
break;
default:
// something wrong here
}
consoleFrame.echoCmd(echoBuffer.toString());
}
// tiles treeView, globalView and consoleFrame
public void tile() {
if (treeView != null) treeView.tile();
consoleFrame.tile();
}
private void setTree(String title) {
consoleFrame.setTree(title);
}
