| /******************************************************************************* |
| * Copyright (c) 2008 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 |
| ******************************************************************************/ |
| package org.eclipse.equinox.internal.provisional.p2.metadata.query; |
| |
| import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.IUpdateDescriptor; |
| import org.eclipse.equinox.internal.provisional.p2.query.Query; |
| |
| public class UpdateQuery extends Query { |
| private IInstallableUnit updateFrom; |
| |
| public UpdateQuery(IInstallableUnit updateFrom) { |
| this.updateFrom = updateFrom; |
| } |
| |
| public boolean isMatch(Object obj) { |
| if (!(obj instanceof IInstallableUnit)) |
| return false; |
| IInstallableUnit candidate = (IInstallableUnit) obj; |
| IUpdateDescriptor descriptor = candidate.getUpdateDescriptor(); |
| if (descriptor != null && descriptor.isUpdateOf(updateFrom) && updateFrom.getVersion().compareTo(candidate.getVersion()) < 0) |
| return true; |
| return false; |
| } |
| } |