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// Portions Copyright [2016] [Payara Foundation and/or its affiliates]
package com.sun.gjc.spi;
import com.sun.gjc.common.DataSourceObjectBuilder;
import com.sun.gjc.spi.base.ConnectionHolder;
import com.sun.gjc.util.SQLTraceDelegator;
import com.sun.logging.LogDomains;
import java.io.Serializable;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.sql.Connection;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.api.jdbc.SQLTraceRecord;
/**
* Factory to create JDBC objects
*/
public abstract class JdbcObjectsFactory implements Serializable {
protected final static Logger _logger;
static {
_logger = LogDomains.getLogger(JdbcObjectsFactory.class, LogDomains.RSR_LOGGER);
}
/**
* Returns JDBC Objet Factory for JDBC 3.0 or JDBC 4.0 depending upon the jdbc version<br>
* available in JDK.<br>
*
* @return JdbcObjectsFactory
*/
public static JdbcObjectsFactory getInstance() {
boolean jdbc40 = DataSourceObjectBuilder.isJDBC40();
JdbcObjectsFactory factory = null;
try {
if (jdbc40) {
factory = (JdbcObjectsFactory) Class.forName("com.sun.gjc.spi.jdbc40.Jdbc40ObjectsFactory").newInstance();
} else {
factory = (JdbcObjectsFactory) Class.forName("com.sun.gjc.spi.jdbc30.Jdbc30ObjectsFactory").newInstance();
}
} catch (Exception e) {
_logger.log(Level.WARNING, "jdbc.jdbc_factory_class_load_exception", e);
}
return factory;
}
/**
* Returns a DataSource instance.
*
* @param mcfObject Managed Connection Factory
* @param cmObject Connection Manager
* @return DataSource
*/
public abstract javax.sql.DataSource getDataSourceInstance(ManagedConnectionFactoryImpl mcfObject,
javax.resource.spi.ConnectionManager cmObject);
/**
* To get an instance of ConnectionHolder.<br>
* Will return a ConnectionHolder with or without wrapper<br>
*
* @param conObject Connection
* @param mcObject ManagedConnection
* @param criObject Connection Request Info
* @param statementWrapping Whether to wrap statement objects or not.
* @return ConnectionHolder
*/
public abstract ConnectionHolder getConnection(Connection conObject,
ManagedConnectionImpl mcObject,
javax.resource.spi.ConnectionRequestInfo criObject,
boolean statementWrapping,
SQLTraceDelegator sqlTraceDelegator);
protected Connection getProxiedConnection(final Object conObject, Class[] connIntf,
final SQLTraceDelegator sqlTraceDelegator) {
Connection proxiedConn = null;
try {
proxiedConn = (Connection) getProxyObject(conObject, connIntf, sqlTraceDelegator);
} catch (Exception ex) {
_logger.log(Level.SEVERE, "jdbc.jdbc_proxied_connection_get_exception", ex.getMessage());
}
return proxiedConn;
}
protected <T> T getProxyObject(final Object actualObject, Class<T>[] ifaces,
final SQLTraceDelegator sqlTraceDelegator) throws Exception {
T result;
InvocationHandler ih = new InvocationHandler() {
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
SQLTraceRecord record = new SQLTraceRecord();
record.setMethodName(method.getName());
record.setParams(args);
record.setClassName(actualObject.getClass().getName());
record.setThreadName(Thread.currentThread().getName());
record.setThreadID(Thread.currentThread().getId());
record.setTimeStamp(System.currentTimeMillis());
long startTime = System.currentTimeMillis();
Object methodResult = method.invoke(actualObject, args);
record.setExecutionTime(System.currentTimeMillis() - startTime);
sqlTraceDelegator.sqlTrace(record);
return methodResult;
}
};
result = (T) Proxy.newProxyInstance(actualObject.getClass().getClassLoader(), ifaces, ih);
return result;
}
}