/*
* Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.db.ddl;
/**
* @since 4.2
* @author Eike Stepper
*/
public interface IDBSchemaVisitor
{
public void visit(IDBSchema schema);
public void visit(IDBTable table);
public void visit(IDBField field);
public void visit(IDBIndex index);
public void visit(IDBIndexField indexField);
/**
* @author Eike Stepper
*/
public static final class StopRecursion extends RuntimeException
{
private static final long serialVersionUID = 1L;
}
/**
* @author Eike Stepper
*/
public static class Default implements IDBSchemaVisitor
{
public void visit(IDBSchema element)
{
visitDefault(element);
}
public void visit(IDBTable element)
{
visitDefault(element);
}
public void visit(IDBField element)
{
visitDefault(element);
}
public void visit(IDBIndex element)
{
visitDefault(element);
}
public void visit(IDBIndexField element)
{
visitDefault(element);
}
protected void visitDefault(IDBSchemaElement element)
{
visitDefault(element);
}
protected final void stopRecursion()
{
throw new StopRecursion();
}
}
}