| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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 |
| * Sonatype, Inc. - ongoing development |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.rollback; |
| |
| import java.util.*; |
| import java.util.Map.Entry; |
| import org.eclipse.equinox.internal.p2.director.ProfileChangeRequest; |
| import org.eclipse.equinox.internal.p2.director.SimplePlanner; |
| import org.eclipse.equinox.p2.engine.IProfile; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.planner.IProfileChangeRequest; |
| import org.eclipse.equinox.p2.query.QueryUtil; |
| |
| public class FormerState { |
| |
| public static IProfileChangeRequest generateProfileDeltaChangeRequest(IProfile current, IProfile target) { |
| ProfileChangeRequest request = new ProfileChangeRequest(current); |
| |
| synchronizeProfileProperties(request, current, target); |
| synchronizeMarkedIUs(request, current, target); |
| synchronizeAllIUProperties(request, current, target); |
| |
| return request; |
| } |
| |
| private static void synchronizeAllIUProperties(IProfileChangeRequest request, IProfile current, IProfile target) { |
| Set<IInstallableUnit> currentIUset = current.query(QueryUtil.createIUAnyQuery(), null).toUnmodifiableSet(); |
| Iterator<IInstallableUnit> targetIUs = target.query(QueryUtil.createIUAnyQuery(), null).iterator(); |
| List<IInstallableUnit> iusToAdd = new ArrayList<IInstallableUnit>(); |
| List<IInstallableUnit> iusToUpdate = new ArrayList<IInstallableUnit>(); |
| while (targetIUs.hasNext()) { |
| IInstallableUnit nxt = targetIUs.next(); |
| if (currentIUset.contains(nxt)) |
| iusToUpdate.add(nxt); |
| else |
| iusToAdd.add(nxt); |
| } |
| |
| //additions |
| for (IInstallableUnit iu : iusToAdd) { |
| for (Entry<String, String> entry : target.getInstallableUnitProperties(iu).entrySet()) { |
| request.setInstallableUnitProfileProperty(iu, entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| // updates |
| for (IInstallableUnit iu : iusToUpdate) { |
| Map<String, String> propertiesToSet = new HashMap<String, String>(target.getInstallableUnitProperties(iu)); |
| for (Entry<String, String> entry : current.getInstallableUnitProperties(iu).entrySet()) { |
| String key = entry.getKey(); |
| String newValue = propertiesToSet.get(key); |
| if (newValue == null) { |
| request.removeInstallableUnitProfileProperty(iu, key); |
| } else if (newValue.equals(entry.getValue())) |
| propertiesToSet.remove(key); |
| } |
| |
| for (Entry<String, String> entry : propertiesToSet.entrySet()) { |
| request.setInstallableUnitProfileProperty(iu, entry.getKey(), entry.getValue()); |
| } |
| } |
| } |
| |
| private static void synchronizeMarkedIUs(IProfileChangeRequest request, IProfile current, IProfile target) { |
| Collection<IInstallableUnit> currentPlannerMarkedIUs = SimplePlanner.findPlannerMarkedIUs(current); |
| Collection<IInstallableUnit> targetPlannerMarkedIUs = SimplePlanner.findPlannerMarkedIUs(target); |
| |
| //additions |
| Collection<IInstallableUnit> markedIUsToAdd = new HashSet<IInstallableUnit>(targetPlannerMarkedIUs); |
| markedIUsToAdd.removeAll(currentPlannerMarkedIUs); |
| request.addAll(markedIUsToAdd); |
| |
| // removes |
| Collection<IInstallableUnit> markedIUsToRemove = new HashSet<IInstallableUnit>(currentPlannerMarkedIUs); |
| markedIUsToRemove.removeAll(targetPlannerMarkedIUs); |
| request.removeAll(markedIUsToRemove); |
| } |
| |
| private static void synchronizeProfileProperties(IProfileChangeRequest request, IProfile current, IProfile target) { |
| Map<String, String> profilePropertiesToSet = new HashMap<String, String>(target.getProperties()); |
| for (Entry<String, String> entry : current.getProperties().entrySet()) { |
| String key = entry.getKey(); |
| |
| String newValue = profilePropertiesToSet.get(key); |
| if (newValue == null) { |
| request.removeProfileProperty(key); |
| } else if (newValue.equals(entry.getValue())) |
| profilePropertiesToSet.remove(key); |
| } |
| |
| for (Entry<String, String> entry : profilePropertiesToSet.entrySet()) { |
| request.setProfileProperty(entry.getKey(), entry.getValue()); |
| } |
| } |
| } |