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/*
* Copyright 2000-2008, Atomikos (http://www.atomikos.com)
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* 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.
*
*/
package com.atomikos.jdbc.nonxa;
import java.io.PrintWriter;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.naming.NamingException;
import javax.naming.Reference;
import javax.naming.Referenceable;
import com.atomikos.icatch.HeuristicMessage;
import com.atomikos.icatch.system.Configuration;
import com.atomikos.jdbc.HeuristicDataSource;
import com.atomikos.util.SerializableObjectFactory;
/**
*
*
*
* A Bean class for DataSource access to non-XA JDBC implementations. Instances
* are transaction-aware and can rollback the work done over multiple
* connections (provided that all work was done in one and the same thread).
*
* @deprecated As of release 3.3, the {@link AtomikosNonXADataSourceBean} should be used instead.
*
*/
public class NonXADataSourceBean implements HeuristicDataSource, Referenceable,
Serializable
{
private String validatingQuery;
private String jndiName;
private String url;
private String user;
private String password;
private String driverClassName;
private int poolSize;
private int connectionTimeout;
private boolean testOnBorrow;
private transient NonXADataSourceImp delegate;
public NonXADataSourceBean ()
{
jndiName = "some unique name";
url = "";
user = "";
password = "";
driverClassName = "";
poolSize = 2;
connectionTimeout = 15;
testOnBorrow = false;
}
private synchronized void checkSetup ( boolean validation )
throws SQLException
{
// try if there has been a previous bean setup; return the DS if so
delegate = NonXADataSourceImp.getInstance ( jndiName );
// return if found, but ONLY if validation is NOT true
// since validation requires asserting settings and creation
if ( delegate != null && !validation )
return;
if ( url == null || url.equals ( "" ) )
throw new SQLException ( "NonXADataSourceBean: url not set." );
if ( driverClassName == null || driverClassName.equals ( "" ) )
throw new SQLException (
"NonXADataSourceBean: driverClassName not set." );
DriverManagerDataSource driver = new DriverManagerDataSource ();
driver.setDriverClassName ( driverClassName );
driver.setUser ( user );
driver.setPassword ( password );
driver.setUrl ( url );
delegate = new NonXADataSourceImp ( driver, jndiName, user, password,
poolSize, connectionTimeout, validation, validatingQuery , testOnBorrow );
// the application does not know the datasource and hence can not
// shut it down. therefore, add a shutdown hook to do this job
DataSourceShutdownHook hook = new DataSourceShutdownHook ( delegate );
Configuration.addShutdownHook ( hook );
StringBuffer sb = new StringBuffer();
sb.append("NonXADataSourceBean configured with [");
sb.append("uniqueResourceName=").append(jndiName).append(", ");
sb.append("url=").append(url).append(", ");
sb.append("user=").append(user).append(", ");
sb.append("password=").append(password).append(", ");
sb.append("driverClassName=").append(driverClassName).append(", ");
sb.append("poolSize=").append(poolSize).append(", ");
sb.append("connectionTimeout=").append(connectionTimeout).append(", ");
sb.append("testOnBorrow=").append(testOnBorrow);
sb.append("]");
Configuration.logDebug(sb.toString());
Configuration.logWarning ( "WARNING: class " + getClass().getName() + " is deprecated!" );
}
/**
* @see com.atomikos.jdbc.HeuristicDataSource#getConnection(com.atomikos.icatch.HeuristicMessage)
*/
public Connection getConnection ( HeuristicMessage msg )
throws SQLException
{
checkSetup ( false );
return delegate.getConnection ( msg );
}
/**
* @see com.atomikos.jdbc.HeuristicDataSource#getConnection(java.lang.String,
* java.lang.String, com.atomikos.icatch.HeuristicMessage)
*/
public Connection getConnection ( String user , String passwd ,
HeuristicMessage msg ) throws SQLException
{
checkSetup ( false );
return delegate.getConnection ( user, passwd, msg );
}
/**
* @see javax.naming.Referenceable#getReference()
*/
public Reference getReference () throws NamingException
{
//FIXED ISSUE 10085
return SerializableObjectFactory.createReference ( this );
}
/**
* @see javax.sql.DataSource#getConnection()
*/
public Connection getConnection () throws SQLException
{
checkSetup ( false );
return delegate.getConnection ();
}
/**
* @see javax.sql.DataSource#getConnection(java.lang.String,
* java.lang.String)
*/
public Connection getConnection ( String user , String pass )
throws SQLException
{
checkSetup ( false );
return delegate.getConnection ( user, pass );
}
/**
* @see com.atomikos.jdbc.HeuristicDataSource#getConnection(java.lang.String,
* java.lang.String, com.atomikos.icatch.HeuristicMessage)
*/
public Connection getConnection ( String msg ) throws SQLException
{
checkSetup ( false );
return delegate.getConnection ( msg );
}
/**
* @see com.atomikos.jdbc.HeuristicDataSource#getConnection(java.lang.String,
* java.lang.String, com.atomikos.icatch.HeuristicMessage)
*/
public Connection getConnection ( String user , String passwd , String msg )
throws SQLException
{
checkSetup ( false );
return delegate.getConnection ( user, passwd, msg );
}
/**
* @see javax.sql.DataSource#getLogWriter()
*/
public PrintWriter getLogWriter () throws SQLException
{
checkSetup ( false );
return delegate.getLogWriter ();
}
/**
* @see javax.sql.DataSource#setLogWriter(java.io.PrintWriter)
*/
public void setLogWriter ( PrintWriter pw ) throws SQLException
{
checkSetup ( false );
delegate.setLogWriter ( pw );
}
/**
* @see javax.sql.DataSource#setLoginTimeout(int)
*/
public void setLoginTimeout ( int val ) throws SQLException
{
checkSetup ( false );
delegate.setLoginTimeout ( val );
}
/**
* @see javax.sql.DataSource#getLoginTimeout()
*/
public int getLoginTimeout () throws SQLException
{
checkSetup ( false );
return delegate.getLoginTimeout ();
}
/**
* @return The connection refresh timeout in secs.
*/
public int getConnectionTimeout ()
{
return connectionTimeout;
}
/**
* @return The driver class to be used by the DriverManager.
*/
public String getDriverClassName ()
{
return driverClassName;
}
/**
* @return The JNDI name to bind on.
*/
public String getUniqueResourceName ()
{
return jndiName;
}
/**
* @return The password.
*/
public String getPassword ()
{
return password;
}
/**
* @return The poolsize.
*/
public int getPoolSize ()
{
return poolSize;
}
/**
* @return The URL to connect with.
*/
public String getUrl ()
{
return url;
}
/**
* @return The user to connect with.
*/
public String getUser ()
{
return user;
}
/**
* Set whether connections should be tested when gotten.
*
* @param value Whether to test connections when taken out of the pool.
*/
public void setTestOnBorrow ( boolean value )
{
this.testOnBorrow = value;
}
/**
*
* @return whether to test connections when gotten.
*/
public boolean getTestOnBorrow()
{
return testOnBorrow;
}
/**
* Set the refresh timeout interval for pool connections (optional).
*
* @param secs
* The value in seconds.
*/
public void setConnectionTimeout ( int secs )
{
connectionTimeout = secs;
}
/**
* Set the name of the driver class that the DriverManager should use
* (required).
*
* @param name
* The name.
*/
public void setDriverClassName ( String name )
{
driverClassName = name;
}
/**
* Set the JNDI name to bind on (required). Should be unique.
*
* @param name
* The JNDI name.
*/
public void setUniqueResourceName ( String name )
{
jndiName = name;
}
/**
* Set the password to use.
*
* @param string
*/
public void setPassword ( String string )
{
password = string;
}
/**
* Set the minimum size of the pool (optional).
*
* @param size
*/
public void setPoolSize ( int size )
{
poolSize = size;
}
/**
* Set the URL to use for getting connections (required).
*
* @param url
*/
public void setUrl ( String url )
{
this.url = url;
}
/**
* Set the user name to get connections with.
*
* @param string
*/
public void setUser ( String string )
{
user = string;
}
/**
* Set a validating query for easy verification of connectivity (optional).
*
* @param query
*/
public void setValidatingQuery ( String query )
{
validatingQuery = query;
}
/**
* Get the validating query
*
* @return String The query.
*/
public String getValidatingQuery ()
{
return validatingQuery;
}
/**
* Close the instance after use. Calling this method will clean up the
* internal pool and housekeeping thread, so that the VM can exit normally.
*/
public void close ()
{
if ( delegate != null )
delegate.close ();
}
/**
* Perform validation based on the validating query. This method does
* nothing if no query was specified.
*
* @throws SQLException
* If validation fails.
*/
public void validate () throws SQLException
{
checkSetup ( true );
String query = getValidatingQuery ();
if ( query == null || query.equals ( "" ) )
return;
Connection c = null;
Statement s = null;
try {
// don't use our own getConnection since it will
// call checkSetup without validation flag!
c = delegate.getConnection ();
try {
s = c.createStatement ();
ResultSet rs = s.executeQuery ( query );
s.close ();
} finally {
if ( s != null )
s.close ();
// this will also close the resultsets if any
}
}
finally {
if ( c != null )
c.close ();
}
}
}
