| /******************************************************************************* |
| * Copyright (c) 2010 University of Illinois at Urbana-Champaign 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: |
| * UIUC - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.rephraserengine.core.vpg; |
| |
| /** |
| * Creates various objects for a particular {@link VPG}. |
| * <p> |
| * Specifically, an {@link IVPGComponentFactory} can |
| * <ul> |
| * <li> provide its caller with the {@link IVPGNode}/{@link NodeRef} object corresponding to a given AST node. |
| * </ul> |
| * When the VPG is first being constructed and initialized, the {@link IVPGComponentFactory} is used to create |
| * <ul> |
| * <li> the error/warning log ({@link VPGLog}), |
| * <li> the database ({@link VPGDB}), and |
| * <li> the {@link VPGWriter}. |
| * </ul> |
| * |
| * @author Jeff Overbey |
| * |
| * @param <A> AST type |
| * @param <T> token type |
| * @param <R> {@link IVPGNode}/{@link NodeRef} type |
| */ |
| public interface IVPGComponentFactory<A, T, R extends IVPGNode<T>> |
| { |
| public abstract VPGLog<T, R> createLog(); |
| |
| public abstract VPGDB<A, T, R> createDatabase(VPGLog<T,R> log); |
| |
| public abstract VPGWriter<A, T, R> createVPGWriter(VPGDB<A, T, R> db, VPGLog<T,R> log); |
| |
| /** |
| * @return an {@link IVPGNode}/{@link NodeRef} referring to the AST node/token at the given |
| * position in the given file. |
| */ |
| public abstract R getVPGNode(String filename, int offset, int length); |
| } |
