| /******************************************************************************* |
| * Copyright (c) 2009 - 2010 Cloudsmith Inc. and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Cloudsmith Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.metadata.expression; |
| |
| /** |
| * This interface may be implemented by any class that wants to provide easy |
| * (high performance) access to its member to the expression evaluator. It |
| * also gives the implementing class a way to hide or rename the members |
| * otherwise accessible using getters. |
| * @since 2.0 |
| */ |
| public interface IMemberProvider { |
| /** |
| * Returns the value for the specified member. Implementers can rely |
| * on that the <code>memberName</code> is a string that has been |
| * internalized using {@link String#intern()}. |
| * @param memberName The name of the member |
| * @return The member value. |
| * @throws IllegalArgumentException if the instance has no member with |
| * the given name. |
| */ |
| Object getMember(String memberName); |
| } |
