| /******************************************************************************* |
| * Copyright (c) 2009 - 2010 Cloudsmith Inc. 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: |
| * Cloudsmith Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.metadata.expression; |
| |
| /** |
| * A general purpose visitor that will visit each node in an expression tree. |
| * @since 2.0 |
| */ |
| public interface IExpressionVisitor { |
| /** |
| * The method that will be called for each expression that is |
| * visited. |
| * @param expression The expression that the visitor visits. |
| * @return <code>true</code> to continue visiting other expressions or |
| * <code>false</code> to break out. |
| */ |
| boolean visit(IExpression expression); |
| } |
