From 039d9663f0d1ed3252e2871e8d658a94be84c75e Mon Sep 17 00:00:00 2001
From: magenoxx <magenoxx@gmail>
Date: Thu, 26 Jan 2012 00:38:45 +0400
Subject: [PATCH] ActionWithResult interface, ActionWithBooleanResult.

---
 .../src/mage/interfaces/ActionWithResult.java | 25 +++++++++++++++++++
 .../mage/utils/ActionWithBooleanResult.java   | 13 ++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 Mage.Common/src/mage/interfaces/ActionWithResult.java
 create mode 100644 Mage.Common/src/mage/utils/ActionWithBooleanResult.java

diff --git a/Mage.Common/src/mage/interfaces/ActionWithResult.java b/Mage.Common/src/mage/interfaces/ActionWithResult.java
new file mode 100644
index 00000000000..d51a7213ad3
--- /dev/null
+++ b/Mage.Common/src/mage/interfaces/ActionWithResult.java
@@ -0,0 +1,25 @@
+package mage.interfaces;
+
+/**
+ * /**
+ * Light weight action interface
+ * For executing actions without any context.
+ *
+ * @param <T> Type to return as a result of execution.
+ *
+ * @author noxx
+ */
+public interface ActionWithResult<T> {
+
+    /**
+     * Executes and returns result.
+     * @return
+     */
+    public T execute();
+
+    /**
+     * Returns negative result specific for type <T>.
+     * @return
+     */
+    public T negativeResult();
+}
diff --git a/Mage.Common/src/mage/utils/ActionWithBooleanResult.java b/Mage.Common/src/mage/utils/ActionWithBooleanResult.java
new file mode 100644
index 00000000000..e0acfb23b2c
--- /dev/null
+++ b/Mage.Common/src/mage/utils/ActionWithBooleanResult.java
@@ -0,0 +1,13 @@
+package mage.utils;
+
+import mage.interfaces.ActionWithResult;
+
+/**
+ * @author noxx
+ */
+public abstract class ActionWithBooleanResult implements ActionWithResult<Boolean> {
+    @Override
+    public Boolean negativeResult() {
+        return false;
+    }
+}