#355 document, abstract base, traits and example domain

abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/Part.java

@@ -0,0 +1,18 @@
+package com.iluwatar.abstractdocument.domain;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import com.iluwatar.abstractdocument.AbstractDocument;
+
+public class Part extends AbstractDocument implements HasModel, HasPrice {
+
+	protected Part() {
+		super(new HashMap<String, Object>());
+	}
+	
+	protected Part(Map<String, Object> properties) {
+		super(properties);
+	}
+
+}