public void startModelValidating() {
if (!isModelValid() && !validationStarted) {
validationStarted = true;
EventQueue.invokeLater(
() -> {
Scripts.LocalContext context = Scripts.getContext();
RP.execute(
() -> {
Scripts.setContext(context);
try {
validateModel();
} catch (Exception ex) {
Logger.getLogger(PlatypusDataObject.class.getName())
.log(Level.WARNING, ex.getMessage(), ex);
} finally {
Scripts.setContext(null);
EventQueue.invokeLater(
() -> {
validationStarted = false;
setModelValid(true);
});
}
});
});
}
}
public void process(Runnable aTask) {
Scripts.LocalContext context = Scripts.getContext();
Runnable taskWrapper =
() -> {
Scripts.setContext(context);
try {
aTask.run();
} finally {
Scripts.setContext(null);
}
};
queue.offer(taskWrapper);
offerTask(
() -> {
// Runnable processedTask = taskWrapper;
int version;
int newVersion;
Thread thisThread = Thread.currentThread();
do {
version = queueVersion.get();
// Zombie counter ...
newVersion = version + 1;
if (newVersion == Integer.MAX_VALUE) {
newVersion = 0;
}
/* moved to top of body
if (processedTask != null) {//Single attempt to offer aTask.
queue.offer(processedTask);
processedTask = null;
}
*/
if (worker.compareAndSet(null, thisThread)) { // Worker electing.
try {
// already single threaded environment
if (global == null) {
Scripts.Space.this.initSpaceGlobal();
}
// Zombie processing ...
Runnable task = queue.poll();
while (task != null) {
task.run();
task = queue.poll();
}
} catch (Throwable t) {
Logger.getLogger(Scripts.class.getName()).log(Level.SEVERE, null, t);
} finally {
boolean setted = worker.compareAndSet(thisThread, null);
assert setted : "Worker electing assumption failed"; // Always successfull CAS.
}
}
} while (!queueVersion.compareAndSet(version, newVersion));
});
}
void initSpaceGlobal() {
Bindings bindings = engine.createBindings();
scriptContext.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
bindings.put("space", this);
try {
Scripts.LocalContext ctx = Scripts.createContext(Scripts.Space.this);
Scripts.setContext(ctx);
try {
scriptContext.setAttribute(
ScriptEngine.FILENAME, PLATYPUS_JS_FILENAME, ScriptContext.ENGINE_SCOPE);
engine.eval(new URLReader(platypusJsUrl), scriptContext);
} finally {
Scripts.setContext(null);
}
} catch (ScriptException ex) {
Logger.getLogger(Scripts.class.getName()).log(Level.SEVERE, null, ex);
}
}
public void schedule(JSObject aJsTask, long aTimeout) {
Scripts.LocalContext context = Scripts.getContext();
bio.submit(
() -> {
try {
Thread.sleep(aTimeout);
Scripts.setContext(context);
try {
process(
() -> {
aJsTask.call(null, new Object[] {});
});
} finally {
Scripts.setContext(null);
}
} catch (InterruptedException ex) {
Logger.getLogger(Scripts.class.getName()).log(Level.SEVERE, null, ex);
}
});
}
public static ImageIcon load(
String aResourceName, String aCalledFromFile, JSObject onSuccess, JSObject onFailure)
throws Exception {
Scripts.Space space = Scripts.getSpace();
return load(
aResourceName,
aCalledFromFile,
space,
onSuccess != null
? (ImageIcon aLoaded) -> {
onSuccess.call(null, new Object[] {aLoaded});
}
: null,
onSuccess != null
? (Exception ex) -> {
onFailure.call(null, new Object[] {space.toJs(ex.getMessage())});
}
: null);
}
/**
* Checks module roles.
*
* @param anAllowedRoles
* @param aSubjectName
* @throws AccessControlException
*/
public static void checkPrincipalPermission(Set<String> anAllowedRoles, String aSubjectName)
throws AccessControlException {
if (anAllowedRoles != null && !anAllowedRoles.isEmpty()) {
try {
PlatypusPrincipal principal = (PlatypusPrincipal) Scripts.getContext().getPrincipal();
if (principal == null || !principal.hasAnyRole(anAllowedRoles)) {
throw new AccessControlException(
String.format(
"Access denied to %s for '%s'.", // NOI18N
aSubjectName, principal != null ? principal.getName() : null),
principal instanceof AnonymousPlatypusPrincipal ? new AuthPermission("*") : null);
}
} catch (Exception ex) {
if (ex instanceof AccessControlException) {
throw ex;
} else {
throw new AccessControlException(ex.getMessage());
}
}
}
}
@Override
public void handle(
Session aSession, Consumer<CommitRequest.Response> onSuccess, Consumer<Exception> onFailure) {
try {
DatabasesClient client = getServerCore().getDatabasesClient();
List<Change> changes =
ChangesJSONReader.read(getRequest().getChangesJson(), Scripts.getSpace());
ChangesSortProcess process =
new ChangesSortProcess(
changes,
(Map<String, List<Change>> changeLogs) -> {
try {
client.commit(
changeLogs,
(Integer aUpdated) -> {
if (onSuccess != null) {
onSuccess.accept(new CommitRequest.Response(aUpdated));
}
},
onFailure);
} catch (Exception ex) {
Logger.getLogger(CommitRequestHandler.class.getName())
.log(Level.SEVERE, null, ex);
}
},
onFailure);
if (changes.isEmpty()) {
if (onSuccess != null) {
onSuccess.accept(new CommitRequest.Response(0));
}
} else {
changes
.stream()
.forEach(
(change) -> {
try {
((LocalQueriesProxy) serverCore.getQueries())
.getQuery(
change.entityName,
Scripts.getSpace(),
(SqlQuery aQuery) -> {
if (aQuery.isPublicAccess()) {
AccessControlException aex =
checkWritePrincipalPermission(
(PlatypusPrincipal) Scripts.getContext().getPrincipal(),
change.entityName,
aQuery.getWriteRoles());
if (aex != null) {
process.complete(null, null, aex, null);
} else {
process.complete(change, aQuery, null, null);
}
} else {
process.complete(
null,
null,
new AccessControlException(
String.format(
"Public access to query %s is denied while commiting changes for it's entity.",
change.entityName)),
null);
}
},
(Exception ex) -> {
process.complete(null, null, null, ex);
});
} catch (Exception ex) {
Logger.getLogger(CommitRequestHandler.class.getName())
.log(Level.SEVERE, null, ex);
}
});
}
} catch (Exception ex) {
onFailure.accept(ex);
}
}
public static void offerTask(Runnable aTask) {
assert tasks != null : "Scripts tasks are not initialized";
Scripts.getContext().incAsyncsCount();
tasks.accept(aTask);
}
@Override
public JSObject execute(
Scripts.Space aSpace, Consumer<JSObject> onSuccess, Consumer<Exception> onFailure)
throws Exception {
assert Scripts.getSpace() == aSpace : "Scripts.Space TLS assumption failed";
if (onSuccess != null) {
ScriptedResource._require(
new String[] {entityName},
null,
aSpace,
new HashSet<>(),
(Void v) -> {
JSObject source = aSpace.createModule(entityName);
if (source.hasMember("fetch")) {
Object oFetch = source.getMember("fetch");
if (oFetch instanceof JSObject) {
JSObject jsFetch = (JSObject) oFetch;
if (jsFetch.isFunction()) {
JSObject jsParams = aSpace.makeObj();
for (int i = 0; i < params.getParametersCount(); i++) {
Parameter p = params.get(i + 1);
jsParams.setMember(p.getName(), aSpace.toJs(p.getValue()));
}
final ExecutionChecker exChecker = new ExecutionChecker();
Object oRowset =
jsFetch.call(
source,
aSpace.toJs(
new Object[] {
jsParams,
new AbstractJSObject() {
@Override
public Object call(final Object thiz, final Object... args) {
if (exChecker.isExecutionNeeded()) {
try {
JSObject jsRowset =
args.length > 0
? (JSObject) aSpace.toJava(args[0])
: null;
try {
onSuccess.accept(jsRowset);
} catch (Exception ex) {
Logger.getLogger(ScriptedQuery.class.getName())
.log(Level.SEVERE, null, ex);
}
} catch (Exception ex) {
if (onFailure != null) {
onFailure.accept(ex);
}
}
}
return null;
}
},
new AbstractJSObject() {
@Override
public Object call(final Object thiz, final Object... args) {
if (exChecker.isExecutionNeeded()) {
if (onFailure != null) {
if (args.length > 0) {
if (args[0] instanceof Exception) {
onFailure.accept((Exception) args[0]);
} else {
onFailure.accept(
new Exception(
String.valueOf(aSpace.toJava(args[0]))));
}
} else {
onFailure.accept(
new Exception(
"No error information from fetch method"));
}
}
}
return null;
}
}
}));
if (!JSType.nullOrUndefined(oRowset)) {
onSuccess.accept((JSObject) aSpace.toJava(oRowset));
exChecker.setExecutionNeeded(false);
}
}
}
}
},
onFailure);
return null;
} else {
JSObject source = aSpace.createModule(entityName);
if (source.hasMember("fetch")) {
Object oFetch = source.getMember("fetch");
if (oFetch instanceof JSObject) {
JSObject jsFetch = (JSObject) oFetch;
if (jsFetch.isFunction()) {
JSObject jsParams = aSpace.makeObj();
Object oRowset = jsFetch.call(source, aSpace.toJs(new Object[] {jsParams}));
if (!JSType.nullOrUndefined(oRowset)) {
return (JSObject) aSpace.toJava(oRowset);
}
}
}
}
return null;
}
}
/**
* @param args the command line arguments
* @throws IOException
* @throws Exception
*/
public static void main(String[] args) throws IOException, Exception {
checkUserHome();
GeneralResourceProvider.registerDrivers();
parseArgs(args);
if (url == null || url.isEmpty()) {
throw new IllegalArgumentException("Application url (-url parameter) is required.");
}
SSLContext sslContext = PlatypusConnection.createSSLContext();
ScriptedDatabasesClient serverCoreDbClient;
if (url.toLowerCase().startsWith("file")) {
File f = new File(new URI(url));
if (f.exists() && f.isDirectory()) {
Logger.getLogger(ServerMain.class.getName())
.log(Level.INFO, "Application is located at: {0}", f.getPath());
GeneralResourceProvider.registerDrivers();
ScriptsConfigs scriptsConfigs = new ScriptsConfigs();
ServerTasksScanner tasksScanner = new ServerTasksScanner(scriptsConfigs);
ApplicationSourceIndexer indexer = new ApplicationSourceIndexer(f.getPath(), tasksScanner);
// TODO: add command line argument "watch" after watcher refactoring
// indexer.watch();
Scripts.initBIO(threadsConfig.getMaxServicesTreads());
int maxWorkerThreads = parseNumWorkerThreads();
ThreadPoolExecutor serverProcessor =
new ThreadPoolExecutor(
maxWorkerThreads,
maxWorkerThreads,
3L,
TimeUnit.SECONDS,
new LinkedBlockingQueue<>(),
new DeamonThreadFactory("TSA-", false));
serverProcessor.allowCoreThreadTimeOut(true);
Scripts.initTasks(
(Runnable aTask) -> {
serverProcessor.submit(aTask);
});
serverCoreDbClient =
new ScriptedDatabasesClient(
defDatasource,
indexer,
true,
tasksScanner.getValidators(),
threadsConfig.getMaxJdbcTreads());
QueriesProxy<SqlQuery> queries = new LocalQueriesProxy(serverCoreDbClient, indexer);
serverCoreDbClient.setQueries(queries);
PlatypusServer server =
new PlatypusServer(
indexer,
new LocalModulesProxy(indexer, new ModelsDocuments(), appElement),
queries,
serverCoreDbClient,
sslContext,
parseListenAddresses(),
parsePortsProtocols(),
parsePortsSessionIdleTimeouts(),
parsePortsSessionIdleCheckIntervals(),
serverProcessor,
scriptsConfigs,
appElement);
serverCoreDbClient.setContextHost(server);
ScriptedResource.init(server, ScriptedResource.lookupPlatypusJs());
SensorsFactory.init(server.getAcceptorsFactory());
RetranslateFactory.init(server.getRetranslateFactory());
//
server.start(tasksScanner.getResidents(), tasksScanner.getAcceptors());
} else {
throw new IllegalArgumentException(
"applicationUrl: " + url + " doesn't point to existent directory.");
}
} else {
throw new Exception("Unknown protocol in url: " + url);
}
}