diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/phases/Property.java')
| -rw-r--r-- | bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/phases/Property.java | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/phases/Property.java b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/phases/Property.java new file mode 100644 index 000000000..49eff51c7 --- /dev/null +++ b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/phases/Property.java @@ -0,0 +1,160 @@ +/******************************************************************************* + * 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 + *******************************************************************************/ +package org.eclipse.equinox.internal.p2.engine.phases; + +import org.eclipse.equinox.p2.metadata.IInstallableUnit; + +import java.util.Map; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.equinox.internal.p2.engine.Profile; +import org.eclipse.equinox.internal.provisional.p2.engine.*; +import org.eclipse.equinox.p2.engine.IPhaseSet; +import org.eclipse.equinox.p2.engine.spi.ProvisioningAction; + +public class Property extends Phase { + + public class ProfilePropertyAction extends ProvisioningAction { + + public IStatus execute(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + PropertyOperand propertyOperand = (PropertyOperand) parameters.get(PARM_OPERAND); + + if (propertyOperand.second() == null) + removeProfileProperty(profile, propertyOperand); + else + setProfileProperty(profile, propertyOperand, false); + + return null; + } + + public IStatus undo(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + PropertyOperand propertyOperand = (PropertyOperand) parameters.get(PARM_OPERAND); + + if (propertyOperand.first() == null) + removeProfileProperty(profile, propertyOperand); + else + setProfileProperty(profile, propertyOperand, true); + + return null; + } + + private void setProfileProperty(Profile profile, PropertyOperand propertyOperand, boolean undo) { + + String value = (String) (undo ? propertyOperand.first() : propertyOperand.second()); + + if (propertyOperand instanceof InstallableUnitPropertyOperand) { + InstallableUnitPropertyOperand iuPropertyOperand = (InstallableUnitPropertyOperand) propertyOperand; + profile.setInstallableUnitProperty(iuPropertyOperand.getInstallableUnit(), iuPropertyOperand.getKey(), value); + } else { + profile.setProperty(propertyOperand.getKey(), value); + } + } + + private void removeProfileProperty(Profile profile, PropertyOperand propertyOperand) { + if (propertyOperand instanceof InstallableUnitPropertyOperand) { + InstallableUnitPropertyOperand iuPropertyOperand = (InstallableUnitPropertyOperand) propertyOperand; + profile.removeInstallableUnitProperty(iuPropertyOperand.getInstallableUnit(), iuPropertyOperand.getKey()); + } else { + profile.removeProperty(propertyOperand.getKey()); + } + } + } + + public class UpdateInstallableUnitProfilePropertiesAction extends ProvisioningAction { + + // we do not need to use a memento here since the profile is not persisted unless the operation is successful + Map originalSourceProperties; + Map originalTargetProperties; + + public IStatus execute(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + InstallableUnitOperand iuOperand = (InstallableUnitOperand) parameters.get(PARM_OPERAND); + + IInstallableUnit source = iuOperand.first(); + originalSourceProperties = profile.getInstallableUnitProperties(source); + + IInstallableUnit target = iuOperand.second(); + originalTargetProperties = profile.getInstallableUnitProperties(target); + + profile.addInstallableUnitProperties(target, originalSourceProperties); + profile.clearInstallableUnitProperties(source); + + return null; + } + + public IStatus undo(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + InstallableUnitOperand iuOperand = (InstallableUnitOperand) parameters.get(PARM_OPERAND); + + IInstallableUnit source = iuOperand.first(); + profile.clearInstallableUnitProperties(source); + profile.addInstallableUnitProperties(source, originalSourceProperties); + + IInstallableUnit target = iuOperand.second(); + profile.clearInstallableUnitProperties(target); + profile.addInstallableUnitProperties(target, originalTargetProperties); + + return null; + } + } + + public class RemoveInstallableUnitProfilePropertiesAction extends ProvisioningAction { + + // we do not need to use a memento here since the profile is not persisted unless the operation is successful + Map originalSourceProperties; + Map originalTargetProperties; + + public IStatus execute(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + InstallableUnitOperand iuOperand = (InstallableUnitOperand) parameters.get(PARM_OPERAND); + + IInstallableUnit source = iuOperand.first(); + originalSourceProperties = profile.getInstallableUnitProperties(source); + profile.clearInstallableUnitProperties(source); + + return null; + } + + public IStatus undo(Map parameters) { + Profile profile = (Profile) parameters.get(PARM_PROFILE); + InstallableUnitOperand iuOperand = (InstallableUnitOperand) parameters.get(PARM_OPERAND); + + IInstallableUnit source = iuOperand.first(); + profile.clearInstallableUnitProperties(source); + profile.addInstallableUnitProperties(source, originalSourceProperties); + + return null; + } + } + + private static final String PHASE_ID = IPhaseSet.PHASE_PROPERTY; + + public Property(int weight) { + super(PHASE_ID, weight); + } + + protected ProvisioningAction[] getActions(Operand operand) { + if (operand instanceof PropertyOperand) + return new ProvisioningAction[] {new ProfilePropertyAction()}; + + if (operand instanceof InstallableUnitOperand) { + InstallableUnitOperand iuOperand = (InstallableUnitOperand) operand; + if (iuOperand.first() != null) { + if (iuOperand.second() != null) { + return new ProvisioningAction[] {new UpdateInstallableUnitProfilePropertiesAction()}; + } + return new ProvisioningAction[] {new RemoveInstallableUnitProfilePropertiesAction()}; + } + } + return null; + } +} |