introducing gradle and Retry

Author: arminio

build.gradle

@@ -0,0 +1,17 @@
+apply plugin: 'java'
+
+repositories {
+    mavenCentral()
+}
+
+sourceCompatibility = "1.8"
+targetCompatibility = "1.8"
+
+dependencies {
+    compile group: 'commons-collections', name: 'commons-collections', version: '3.2'
+    testCompile 'org.hamcrest:hamcrest-all:1.3'
+    testCompile 'org.mockito:mockito-all:1.9.5'
+    testCompile 'junit:junit:4.12'
+
+
+}

src/main/java/com/lambdista/util/Retry.java

@@ -0,0 +1,33 @@
+package com.lambdista.util;
+
+import java.util.function.Consumer;
+
+/**
+ * Created by armin on 06/08/15.
+ */
+public class Retry {
+
+    static int someCounter = 5;
+    public static void main(String[] args) {
+        String x = "trying...";
+        FailableSupplier<Integer> integerFailableSupplier = () -> {
+            System.out.println(x + someCounter--);
+            if (someCounter > 3) {
+                throw new RuntimeException();
+            }
+            return someCounter;
+        };
+        System.out.println(retry(5, 0, integerFailableSupplier));
+    }
+
+    private static <T> T retry(int maxRetries, int retryCount, FailableSupplier<T> supplier) {
+
+        Try<T> aTry = Try.apply(supplier);
+        if (aTry.isFailure() && maxRetries > retryCount) {
+            return retry(maxRetries, retryCount++, supplier);
+        } else {
+            return aTry.get();
+        }
+    }
+
+}