additional utils

cloudbridge/src/com/cloud/bridge/util/Triple.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2011 Citrix Systems, Inc.  All rights reserved.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.cloud.bridge.util;
+
+/** 
+ * @author Kelven Yang, John Zucker
+ * Reusable class whose instances encode any triple (or 3-tuple) of values of types T1, T2 and T3
+ * Provide getters: getFirst(), getSecond(), getThird()
+ * Provide setters: setFirst(val), setSecond(val), setThird(val)
+ * @param <T1>
+ * @param <T2>
+ * @param <T3>
+ */
+public class Triple <T1, T2, T3> {
+	T1 first;
+	T2 second;
+	T3 third;
+
+	public Triple(T1 t1, T2 t2, T3 t3) {
+		first = t1;
+		second = t2;
+		third = t3;
+	}
+	
+	public T1 getFirst() {
+		return first;
+	}
+	
+	public Triple<T1, T2, T3> setFirst(T1 t1) {
+		first = t1;
+		return this;
+	}
+	
+	public T2 getSecond() {
+		return second;
+	}
+	
+	public Triple<T1, T2, T3> setSecond(T2 t2) {
+		second = t2;
+		return this;
+	}
+	
+	public T3 getThird() {
+		return third;
+	}
+	
+	public Triple<T1, T2, T3> setThird(T3 t3) {
+		third = t3;
+		return this;
+	}
+}