added singleton bean for country data retrieval

diff --git a/src/java/org/mxchange/jcountry/data/AddressbookCountrySingletonBean.java b/src/java/org/mxchange/jcountry/data/AddressbookCountrySingletonBean.java
new file mode 100644 (file)
index 0000000..ab4057a
--- /dev/null
+++ b/src/java/org/mxchange/jcountry/data/AddressbookCountrySingletonBean.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2015 Roland Haeder
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.jcountry.data;
+
+import java.util.List;
+import javax.ejb.Singleton;
+import javax.persistence.Query;
+import org.mxchange.jcoreee.database.BaseDatabaseBean;
+
+/**
+ * A singleton bean for country informations
+ * <p>
+ * @author Roland Haeder
+ */
+@Singleton (name = "country", mappedName = "ejb/singleton-country", description = "A singleton session bean for country informations")
+public class AddressbookCountrySingletonBean extends BaseDatabaseBean implements AddressbookCountrySingletonBeanRemote {
+
+       /**
+        * Serial number
+        */
+       private static final long serialVersionUID = 15_846_983_298_691_207L;
+
+       @Override
+       @SuppressWarnings ("unchecked")
+       public List<Country> allCountries () {
+               // Init query
+               Query query = this.getEntityManager().createNamedQuery("AllCountries");
+
+               // Return it
+               return query.getResultList();
+       }
+
+}