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/*******************************************************************************
* Copyright (c) 2011 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.internal.discovery.operation;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.operations.InstallOperation;
import org.eclipse.equinox.p2.operations.ProfileModificationJob;
import org.eclipse.equinox.p2.operations.ProvisioningJob;
import org.eclipse.equinox.p2.operations.ProvisioningSession;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.m2e.core.ui.internal.wizards.AbstractCreateMavenProjectsOperation;
import org.eclipse.m2e.internal.discovery.startup.UpdateConfigurationStartup;
/*
* This operation allows altering the restart policy for the ProvisioningJob returned from getProvisioningJob calls
*/
public class RestartInstallOperation extends InstallOperation {
private int restartPolicy;
private final ProvisioningSession session;
private final Collection<IInstallableUnit> toInstall;
private final IRunnableWithProgress postInstallHook;
private Collection<String> projectsToConfigure;
public RestartInstallOperation(ProvisioningSession session, Collection<IInstallableUnit> toInstall,
IRunnableWithProgress postInstallHook) {
this(session, toInstall, postInstallHook, null, ProvisioningJob.RESTART_ONLY);
}
public RestartInstallOperation(ProvisioningSession session, Collection<IInstallableUnit> toInstall,
IRunnableWithProgress postInstallHook, Collection<String> projectsToConfigure, int restartPolicy) {
super(session, toInstall);
this.session = session;
this.toInstall = toInstall;
this.postInstallHook = postInstallHook;
this.projectsToConfigure = projectsToConfigure;
this.restartPolicy = restartPolicy;
}
@Override
public ProvisioningJob getProvisioningJob(IProgressMonitor monitor) {
ProvisioningJob job = super.getProvisioningJob(monitor);
if(job != null && job instanceof ProfileModificationJob) {
((ProfileModificationJob) job).setRestartPolicy(restartPolicy);
UpdateMavenConfigurationProvisioningJob ucJob = new UpdateMavenConfigurationProvisioningJob(
((ProfileModificationJob) job), session, postInstallHook, projectsToConfigure);
return ucJob;
}
return job;
}
public int getRestartPolicy() {
return restartPolicy;
}
public void setRestartPolicy(int restartPolicy) {
this.restartPolicy = restartPolicy;
}
public Collection<IInstallableUnit> getIUs() {
return toInstall;
}
/*
* Creates a shallow copy of this operation changing IUs to install.
*/
public RestartInstallOperation copy(Collection<IInstallableUnit> toInstall) {
return new RestartInstallOperation(session, toInstall, postInstallHook, projectsToConfigure, restartPolicy);
}
/*
* The ProfileModificationJob is wrapped to allow us to know when the job finishes successfully so we can
* ensure that early startup for update configuration is enabled.
*/
private static class UpdateMavenConfigurationProvisioningJob extends ProfileModificationJob {
private ProfileModificationJob job;
private final IRunnableWithProgress postInstallHook;
private Collection<String> projectsToConfigure;
public UpdateMavenConfigurationProvisioningJob(ProfileModificationJob job, ProvisioningSession session,
IRunnableWithProgress postInstallHook, Collection<String> projectsToConfigure) {
super(job.getName(), session, job.getProfileId(), null, null);
this.job = job;
this.postInstallHook = postInstallHook;
this.projectsToConfigure = projectsToConfigure;
}
@Override
public IStatus runModal(IProgressMonitor monitor) {
// install
IStatus status = job.run(monitor);
if (status.isOK() && postInstallHook != null) {
try {
postInstallHook.run(monitor);
} catch(InvocationTargetException e) {
// TODO need a better place for this helper
return AbstractCreateMavenProjectsOperation.toStatus(e);
} catch(InterruptedException e) {
return Status.CANCEL_STATUS;
}
}
if(status.isOK()) {
// If the installation doesn't require a restart, launch the reconfiguration now.
if(getRestartPolicy() == ProvisioningJob.RESTART_NONE) {
UpdateConfigurationStartup.updateConfiguration();
} else {
UpdateConfigurationStartup.enableStartup(projectsToConfigure);
}
}
return status;
}
@Override
public String getProfileId() {
return job.getProfileId();
}
@Override
public int getRestartPolicy() {
return job.getRestartPolicy();
}
}
}
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