Add skeleton object for defining the state of data

src/mesh/model/store/DataState.as

@@ -0,0 +1,39 @@
+package mesh.model.store
+{
+	/**
+	 * The <code>DataState</code> class encapsulates the state of the data for a store key in
+	 * the store, in relation to the data's source.
+	 * 
+	 * @author Dan Schultz
+	 */
+	public class DataState
+	{
+		/**
+		 * Constructor.
+		 */
+		public function DataState(value:int)
+		{
+			_value = value;
+		}
+
+		/**
+		 * Checks if two states are equal.
+		 * 
+		 * @param obj The object to check.
+		 * @return <code>true</code> if the two states are equal.
+		 */
+		public function equals(obj:Object):Boolean
+		{
+			return obj is DataState ? obj.value == value : false;
+		}
+
+		private var _value:int;
+		/**
+		 * The internal value for this state.
+		 */
+		public function get value():int
+		{
+			return _value;
+		}
+	}
+}