Move DSpace kernel codebase to dspace-api

git-svn-id: http://scm.dspace.org/svn/repo/trunk@1957 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace-api/src/main/java/org/dspace/content/DSpaceObject.java

@@ -0,0 +1,68 @@
+/*
+ * DSpaceObject.java
+ *
+ * Version: $Revision$
+ *
+ * Date: $Date$
+ *
+ * Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
+ * Institute of Technology.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Hewlett-Packard Company nor the name of the
+ * Massachusetts Institute of Technology nor the names of their
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+package org.dspace.content;
+
+/**
+ * Abstract base class for DSpace objects
+ */
+public abstract class DSpaceObject
+{
+    /**
+     * Get the type of this object, found in Constants
+     * 
+     * @return type of the object
+     */
+    public abstract int getType();
+
+    /**
+     * Get the internal ID (database primary key) of this object
+     * 
+     * @return internal ID of object
+     */
+    public abstract int getID();
+
+    /**
+     * Get the Handle of the object. This may return <code>null</code>
+     * 
+     * @return Handle of the object, or <code>null</code> if it doesn't have
+     *         one
+     */
+    public abstract String getHandle();
+}