[+] Create waitfor task

src/main/java/org/hydev/hyritone/task/defaults/TaskWaitFor.java

@@ -0,0 +1,45 @@
+package org.hydev.hyritone.task.defaults;
+
+import lombok.AllArgsConstructor;
+import lombok.RequiredArgsConstructor;
+import org.hydev.hyritone.task.Task;
+import org.hydev.hyritone.task.TaskRunState;
+
+import java.util.function.Function;
+
+import static org.hydev.hyritone.utils.MiscUtils.sleep;
+
+/**
+ * Wait for a condition to complete
+ * <p>
+ * Class created by the HyDEV Team on 2020-01-25!
+ *
+ * @author HyDEV Team (https://github.com/HyDevelop)
+ * @author Hykilpikonna (https://github.com/hykilpikonna)
+ * @author Vanilla (https://github.com/VergeDX)
+ * @since 2020-01-25 12:29
+ */
+@AllArgsConstructor
+@RequiredArgsConstructor
+public class TaskWaitFor implements Task
+{
+    private final Function<TaskRunState, Boolean> condition;
+    private long timeout = 10 * 60 * 1000;
+    private long interval = 100;
+
+    @Override
+    public void execute(TaskRunState state)
+    {
+        // Timeout detection
+        long startTime = System.currentTimeMillis();
+
+        // Run
+        while (true)
+        {
+            if (condition.apply(state)) return;
+            sleep(interval);
+
+            if (System.currentTimeMillis() - startTime > timeout) return;
+        }
+    }
+}