/** Creates a clone of the specified EJBQLASTImpl instance. */
public EJBQLASTImpl create(EJBQLASTImpl tr) {
try {
return (tr == null) ? null : (EJBQLASTImpl) tr.clone();
} catch (CloneNotSupportedException ex) {
throw new EJBQLException(
I18NHelper.getMessage(msgs, "ERR_UnexpectedExceptionClone"), ex); // NOI18N
}
}
/**
* Factory to create and connect EJBQLASTImpl nodes.
*
* @author Michael Bouschen
*/
public class EJBQLASTFactory extends ASTFactory {
/** The singleton EJBQLASTFactory instance. */
private static EJBQLASTFactory factory = new EJBQLASTFactory();
/** I18N support. */
private static final ResourceBundle msgs = I18NHelper.loadBundle(EJBQLASTFactory.class);
/**
* Get an instance of EJBQLASTFactory.
*
* @return an instance of EJBQLASTFactory
*/
public static EJBQLASTFactory getInstance() {
return factory;
}
/**
* Constructor. EJBQLASTFactory is a singleton, please use {@link #getInstance} to get the factory
* instance.
*/
protected EJBQLASTFactory() {
this.theASTNodeTypeClass = EJBQLASTImpl.class;
this.theASTNodeType = this.theASTNodeTypeClass.getName();
}
/** Overwrites superclass method to create the correct AST instance. */
public AST create() {
return new EJBQLASTImpl();
}
/** Overwrites superclass method to create the correct AST instance. */
public AST create(AST tr) {
return create((EJBQLASTImpl) tr);
}
/** Creates a clone of the specified EJBQLASTImpl instance. */
public EJBQLASTImpl create(EJBQLASTImpl tr) {
try {
return (tr == null) ? null : (EJBQLASTImpl) tr.clone();
} catch (CloneNotSupportedException ex) {
throw new EJBQLException(
I18NHelper.getMessage(msgs, "ERR_UnexpectedExceptionClone"), ex); // NOI18N
}
}
}
