complete pure call

doric-Qt/example/doric/async/DoricAsyncResult.cpp

@@ -1,13 +1,31 @@
 #include "DoricAsyncResult.h"
 
+#include <QWaitCondition>
+
 DoricAsyncResult::DoricAsyncResult() {}
 
-void DoricAsyncResult::setResult(QString result) { this->result = result; }
+void DoricAsyncResult::setResult(QString result) {
+  this->result = result;
+  this->resultCallback();
+}
 
 void DoricAsyncResult::setError(QString exception) { this->result = exception; }
 
-bool DoricAsyncResult::hasResult() { return !(result == EMPTY); }
+bool DoricAsyncResult::hasResult() { return !(result.isEmpty()); }
 
-QJSValue DoricAsyncResult::getResult() { return this->result; }
+QString DoricAsyncResult::getResult() { return this->result; }
 
-DoricSettableFuture *DoricAsyncResult::synchronous() { return NULL; }
+QString DoricAsyncResult::waitUntilResult() {
+  if (hasResult()) {
+    return this->result;
+  }
+
+  QMutex mutex;
+  QWaitCondition condition;
+  this->resultCallback = [&condition]() { condition.wakeAll(); };
+
+  mutex.lock();
+  condition.wait(&mutex);
+  mutex.unlock();
+  return this->result;
+}