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/*
* PersistenceManagerServiceImpl.java
*
* Created on January 24, 2002
*/
package com.sun.jdo.spi.persistence.support.ejb.ejbc;
import com.sun.jdo.spi.persistence.utility.logging.LogHelper;
import com.sun.jdo.spi.persistence.support.sqlstore.ejb.CMPHelper;
import com.sun.jdo.spi.persistence.support.sqlstore.ejb.SunContainerHelper;
import com.sun.jdo.spi.persistence.support.sqlstore.ejb.LoggerFactoryiAS;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.ejb.spi.CMPService;
/**
* This class implements CMPService contract and allows to load Sun specific implementation of the
* ContainerHelper when loaded.
*/
@Service
public class PersistenceManagerServiceImpl implements CMPService {
// Initialize the appserver loggers.
static {
LogHelper.registerLoggerFactory(new LoggerFactoryiAS());
}
// Reference and force the initialization of the Sun specific
// implementation of the TransactionHelper and the ContainerHelper.
private static final Class helper = forceInit(SunContainerHelper.class);
// Reference and force the initialization of the DeploymentEventListener
// implementation.
/**
private static final Class listener =
forceInit("com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl");
**/
public boolean isReady() {
// Checks that SunContainerHelper regeistered with CMPHelper
return CMPHelper.isContainerReady();
}
/**
* Forces the initialization of the class pertaining to the specified
* <tt>Class</tt> object. This method does nothing if the class is already
* initialized prior to invocation.
*
* @param klass the class for which to force initialization
* @return <tt>klass</tt>
*/
private static <T> Class<T> forceInit(Class<T> klass) {
try {
Class.forName(klass.getName(), true, klass.getClassLoader());
} catch (ClassNotFoundException e) {
throw new AssertionError(e); // Can't happen
}
return klass;
}
}