org.apache.openejb.test.beans.DatabaseBean Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.openejb.test.beans;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.Statement;
import javax.ejb.EJBException;
import javax.ejb.SessionContext;
import javax.naming.InitialContext;
import javax.sql.DataSource;
/**
* @version $Rev: 556384 $ $Date: 2007-07-15 10:00:10 +0000 (Sun, 15 Jul 2007) $
*/
public class DatabaseBean implements javax.ejb.SessionBean {
private static final long serialVersionUID = 1L;
public SessionContext context;
public InitialContext jndiContext;
public DatabaseBean() {
this.getClass();
}
public void ejbCreate() throws javax.ejb.CreateException {
try {
jndiContext = new InitialContext();
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}
public void executeQuery(String statement) throws java.sql.SQLException {
try {
DataSource ds = (DataSource) jndiContext.lookup("java:comp/env/database");
Connection con = ds.getConnection();
try {
PreparedStatement stmt = con.prepareStatement(statement);
try {
stmt.executeQuery();
} finally {
stmt.close();
}
} finally {
con.close();
}
} catch (Exception e) {
throw new EJBException("Cannot execute the statement: " + statement + e.getMessage());
}
}
public boolean execute(String statement) throws java.sql.SQLException {
boolean retval;
Connection con = null;
try {
DataSource ds = (DataSource) jndiContext.lookup("java:comp/env/database");
con = ds.getConnection();
Statement stmt = con.createStatement();
try {
retval = stmt.execute(statement);
} finally {
stmt.close();
}
} catch (javax.naming.NamingException e) {
// } catch (Exception e){
// e.printStackTrace();
//throw new RemoteException("Cannot execute the statement: "+statement, e);
throw new EJBException("Cannot lookup the Database bean." + e.getMessage());
} finally {
if (con != null) {
con.close();
}
}
return retval;
}
public void ejbPassivate() {
// never called
}
public void ejbActivate() {
// never called
}
public void ejbRemove() {
}
public void setSessionContext(javax.ejb.SessionContext cntx) {
context = cntx;
}
}