| /******************************************************************************* |
| * Copyright (c) 2008, 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * Cloudsmith Inc. - converted into expression based query |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.director; |
| |
| import org.eclipse.equinox.p2.query.ExpressionMatchQuery; |
| |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnitPatch; |
| import org.eclipse.equinox.p2.metadata.expression.ExpressionUtil; |
| import org.eclipse.equinox.p2.metadata.expression.IExpression; |
| |
| /** |
| * A query that accepts any patch that applies to a given installable unit. |
| */ |
| public class ApplicablePatchQuery extends ExpressionMatchQuery<IInstallableUnit> { |
| private static final IExpression applicablePatches = ExpressionUtil.parse(// |
| "applicabilityScope.empty || applicabilityScope.exists(rqArr | rqArr.all(rq | $0 ~= rq))"); //$NON-NLS-1$ |
| |
| /** |
| * Creates a new patch query on the given installable unit. Patches that can |
| * be applied to this unit will be accepted as matches by the query. |
| * @param iu The unit to compare patches against |
| */ |
| public ApplicablePatchQuery(IInstallableUnit iu) { |
| super(IInstallableUnitPatch.class, applicablePatches, iu); |
| } |
| } |