#243 Change EntryProcessor from abstract base class to an interface so that it can be used as a @FunctionalInterface by Lambda in Java 8.

Author: gregrluck

src/test/java/javax/cache/EntryProcessorExamples.java

@@ -45,8 +45,9 @@ public void incrementValue() {
    *
    * @param <K> the type of keys
    */
-  public static class IncrementProcessor<K> extends EntryProcessor<K, Integer, Integer>
-      implements Serializable {
+  public static class IncrementProcessor<K> implements EntryProcessor<K,
+      Integer, Integer>
+      , Serializable {
 
     /**
      * The serialVersionUID required for {@link java.io.Serializable}.