package org.objectstyle.wolips.eomodeler.core.sql;
import java.lang.reflect.InvocationTargetException;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.objectstyle.wolips.eomodeler.core.Activator;
import org.objectstyle.wolips.eomodeler.core.model.EODatabaseConfig;
import org.objectstyle.wolips.eomodeler.core.model.EOModel;
import org.objectstyle.wolips.eomodeler.core.model.EOModelException;
public interface IEOSQLGeneratorFactory {
public IEOSQLGenerator sqlGenerator(EOModel model, List<String> entityNames, EODatabaseConfig databaseConfig, ClassLoader eomodelClassLoader, boolean runInEntityModeler) throws SecurityException, NoSuchMethodException, ClassNotFoundException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException;
public class Utility {
public static IEOSQLGeneratorFactory sqlGeneratorFactory() throws EOModelException {
IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint("org.objectstyle.wolips.eomodeler.sqlGeneratorFactory");
IExtension[] extensions = extensionPoint.getExtensions();
List<IEOSQLGeneratorFactory> sqlGeneratorFactories = new LinkedList<IEOSQLGeneratorFactory>();
for (IExtension extension : extensions) {
IConfigurationElement[] configurationElements = extension.getConfigurationElements();
for (IConfigurationElement configurationElement : configurationElements) {
try {
IEOSQLGeneratorFactory sqlGeneratorFactory = (IEOSQLGeneratorFactory) configurationElement.createExecutableExtension("class");
sqlGeneratorFactories.add(sqlGeneratorFactory);
} catch (CoreException e) {
e.printStackTrace();
Activator.getDefault().log("Could not create SQL generator factory from configuration element: " + configurationElement, e);
}
}
}
IEOSQLGeneratorFactory sqlGeneratorFactory = null;
if (sqlGeneratorFactories.size() > 1) {
throw new EOModelException("There was more than one SQL generator factory defined.");
} else if (sqlGeneratorFactories.size() == 0) {
throw new EOModelException("There was no SQL generator factory defined.");
} else {
sqlGeneratorFactory = sqlGeneratorFactories.get(0);
}
return sqlGeneratorFactory;
}
}
}