Added MarkRoundingEncoder.

Refactored MarkRoundingDecoder - it now implements MessageDecoder.
Tidied up MarkRounding - it is now documented and has getters. Also Created MarkRoundingBoatStatusEnum, MarkRoundingIDEnum, MarkRoundingSideEnum, MarkRoundingTypeEnum.
Added MarkRoundingDecoderTest.
issue #35 #36
#story[1095]

racevisionGame/src/test/java/network/MessageDecoders/MarkRoundingDecoderTest.java

@@ -0,0 +1,69 @@
+package network.MessageDecoders;
+
+import network.MessageEncoders.RaceVisionByteEncoder;
+import network.Messages.Enums.MarkRoundingBoatStatusEnum;
+import network.Messages.Enums.MarkRoundingSideEnum;
+import network.Messages.Enums.MarkRoundingTypeEnum;
+import network.Messages.MarkRounding;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test for the MarkRounding encoder and decoder
+ */
+public class MarkRoundingDecoderTest {
+
+
+    /**
+     * Creates a MarkRounding message, encodes it, decodes it, and checks that the result matches the starting message.
+     * @throws Exception if test fails.
+     */
+    @Test
+    public void markRoundingEncodeDecodeTest() throws Exception {
+
+        MarkRounding markRounding = new MarkRounding(
+                MarkRounding.currentMessageVersionNumber,
+                System.currentTimeMillis(),
+                567,
+                42,
+                125,
+                MarkRoundingBoatStatusEnum.RACING,
+                MarkRoundingSideEnum.PORT,
+                MarkRoundingTypeEnum.MARK,
+                (byte)45
+        );
+
+        byte[] encodedMessage = RaceVisionByteEncoder.encode(markRounding);
+
+        MarkRoundingDecoder markRoundingDecoder = new MarkRoundingDecoder();
+        markRoundingDecoder.decode(encodedMessage);
+        MarkRounding markRoundingDecoded = markRoundingDecoder.getMessage();
+
+        compareMarkRoundingMessages(markRounding, markRoundingDecoded);
+
+    }
+
+
+    /**
+     * Compares two MarkRounding messages to check that they are equal.
+     * @param original The original MarkRounding message.
+     * @param decoded The decoded MarkRounding message.
+     */
+    public static void compareMarkRoundingMessages(MarkRounding original, MarkRounding decoded) {
+
+
+        assertEquals(original.getMessageVersionNumber(), decoded.getMessageVersionNumber());
+        assertEquals(original.getTime(), decoded.getTime());
+        assertEquals(original.getAckNum(), decoded.getAckNum());
+        assertEquals(original.getRaceID(), decoded.getRaceID());
+        assertEquals(original.getSourceID(), decoded.getSourceID());
+        assertEquals(original.getBoatStatus(), decoded.getBoatStatus());
+        assertEquals(original.getRoundingSide(), decoded.getRoundingSide());
+        assertEquals(original.getMarkType(), decoded.getMarkType());
+        assertEquals(original.getMarkID(), decoded.getMarkID());
+
+    }
+
+
+}