[LIB-9] Rename chesshog-dbetude module

[chesshog.git] / chesshog-dbetude / src / main / java / org / hedgecode / chess / domain / DomainObject.java

diff --git a/chesshog-dbetude/src/main/java/org/hedgecode/chess/domain/DomainObject.java b/chesshog-dbetude/src/main/java/org/hedgecode/chess/domain/DomainObject.java
new file mode 100644 (file)
index 0000000..4bef7a1
--- /dev/null
+++ b/chesshog-dbetude/src/main/java/org/hedgecode/chess/domain/DomainObject.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.chess.domain;
+
+/**
+ *
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public abstract class DomainObject<DomainObjectType extends DomainObject> {
+
+    public static final String ID_PARAMETER = "id";
+
+    public abstract Long getId();
+
+    public boolean isIdentical(DomainObjectType another) {
+        if (another == null)
+            return false;
+
+        if ((getId() == null) != (another.getId() == null))
+            return false;
+
+        if ((getId() == null) && (another.getId() == null))
+            return true;
+
+        return getId().equals(
+                another.getId()
+        );
+    }
+
+}