Initial commit

futur-api/src/main/java/dev/tommyjs/futur/promise/PromiseCompletion.java

@@ -0,0 +1,47 @@
+package dev.tommyjs.futur.promise;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class PromiseCompletion<T> {
+
+    private @Nullable T result;
+    private @Nullable Throwable exception;
+    private boolean active;
+
+    public PromiseCompletion(@Nullable T result) {
+        this.result = result;
+        this.active = true;
+    }
+
+    public PromiseCompletion(@NotNull Throwable exception) {
+        this.exception = exception;
+        this.active = true;
+    }
+
+    public PromiseCompletion() {
+        this.result = null;
+        this.active = true;
+    }
+
+    public void markHandled() {
+        this.active = false;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public boolean isError() {
+        return getException() != null;
+    }
+
+    public @Nullable T getResult() {
+        return result;
+    }
+
+    public @Nullable Throwable getException() {
+        return exception;
+    }
+
+}