Added Android App

[iotcloud.git] / version2 / src / Control / app / src / main / java / iotcloud / Pair.java

diff --git a/version2/src/Control/app/src/main/java/iotcloud/Pair.java b/version2/src/Control/app/src/main/java/iotcloud/Pair.java
new file mode 100644 (file)
index 0000000..6352fc1
--- /dev/null
+++ b/version2/src/Control/app/src/main/java/iotcloud/Pair.java
@@ -0,0 +1,43 @@
+package iotcloud;
+
+class Pair<A, B> {
+       private A a;
+       private B b;
+       int hashCode = -1;
+
+       Pair(A a, B b) {
+               this.a = a;
+               this.b = b;
+
+               hashCode = 23;
+               hashCode = hashCode * 31 + a.hashCode();
+               hashCode = hashCode * 31 + b.hashCode();
+       }
+
+       A getFirst() {
+               return a;
+       }
+
+       B getSecond() {
+               return b;
+       }
+
+
+       public int hashCode() {
+               return hashCode;
+       }
+
+       public boolean equals(Object o) {
+               if (o instanceof Pair) {
+                       Pair i = (Pair)o;
+                       if (a.equals(i.getFirst()) && b.equals(i.getSecond())) {
+                               return true;
+                       }
+               }
+               return false;
+       }
+
+       public String toString() {
+               return "<" + a + "," + b + ">";
+       }
+}