From: Roland Haeder <roland@mxchange.org>
Date: Tue, 6 Oct 2015 06:39:29 +0000 (+0200)
Subject: moved from jshop-core project
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=1c49ae234e12bc815f83ed0e1159e67aab7ffef1;p=jcore-utils.git

moved from jshop-core project
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/src/org/mxchange/jcoreee/database/BaseDatabaseBean.java b/src/org/mxchange/jcoreee/database/BaseDatabaseBean.java
new file mode 100644
index 0000000..c1c8e54
--- /dev/null
+++ b/src/org/mxchange/jcoreee/database/BaseDatabaseBean.java
@@ -0,0 +1,85 @@
+/*
+ * 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.jcoreee.database;
+
+import java.io.Serializable;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import org.mxchange.jcoreeelogger.beans.local.logger.Log;
+import org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal;
+
+/**
+ * A helper class for beans that access the database.
+ * <p>
+ * @author Roland Haeder<roland@mxchange.org>
+ */
+public abstract class BaseDatabaseBean implements Serializable {
+
+	/**
+	 * Serial number
+	 */
+	private static final long serialVersionUID = 217_687_175_985_875L;
+
+	/**
+	 * Entity manager
+	 */
+	@PersistenceContext
+	private EntityManager entityManager;
+
+	/**
+	 * Logger instance
+	 */
+	@Log
+	private LoggerBeanLocal loggerBeanLocal;
+
+	/**
+	 * Protected constructor
+	 */
+	protected BaseDatabaseBean () {
+		try {
+			// Get initial context
+			Context context = new InitialContext();
+
+			// Lookup logger
+			this.loggerBeanLocal = (LoggerBeanLocal) context.lookup("java:global/jcore-logger-ejb/logger!org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal"); //NOI18N
+		} catch (final NamingException ex) {
+			// Continue to throw
+			throw new RuntimeException("context.lookup() failed.", ex); //NOI18N
+		}
+	}
+
+	/**
+	 * Getter for connection instance
+	 * <p>
+	 * @return Connection instance
+	 */
+	protected EntityManager getEntityManager () {
+		return this.entityManager;
+	}
+
+	/**
+	 * Getter for loggerBeanLocal
+	 * <p>
+	 * @return Logger instance
+	 */
+	protected LoggerBeanLocal getLoggerBeanLocal () {
+		return this.loggerBeanLocal;
+	}
+}