ALF-10770: create schema representation

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31224 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/util/schemacomp/model/PrimaryKey.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2005-2011 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.util.schemacomp.model;
+
+import java.util.List;
+
+/**
+ * TODO: comment me!
+ * @author Matt Ward
+ */
+public class PrimaryKey extends AbstractDbObject
+{
+    private List<String> columnNames;
+
+
+    /**
+     * @return the columnNames
+     */
+    public List<String> getColumnNames()
+    {
+        return this.columnNames;
+    }
+
+    /**
+     * @param columnNames the columnNames to set
+     */
+    public void setColumnNames(List<String> columnNames)
+    {
+        this.columnNames = columnNames;
+    }
+
+    @Override
+    public int hashCode()
+    {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((this.columnNames == null) ? 0 : this.columnNames.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj)
+    {
+        if (this == obj) return true;
+        if (!super.equals(obj)) return false;
+        if (getClass() != obj.getClass()) return false;
+        PrimaryKey other = (PrimaryKey) obj;
+        if (this.columnNames == null)
+        {
+            if (other.columnNames != null) return false;
+        }
+        else if (!this.columnNames.equals(other.columnNames)) return false;
+        return true;
+    }
+}