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/*
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.RefUpdate;
/**
* Update of a locally stored tracking branch.
*/
public class TrackingRefUpdate {
private final String remoteName;
final String localName;
boolean forceUpdate;
ObjectId oldObjectId;
ObjectId newObjectId;
private RefUpdate.Result result;
private ReceiveCommand cmd;
TrackingRefUpdate(
boolean canForceUpdate,
String remoteName,
String localName,
AnyObjectId oldValue,
AnyObjectId newValue) {
this.remoteName = remoteName;
this.localName = localName;
this.forceUpdate = canForceUpdate;
this.oldObjectId = oldValue.copy();
this.newObjectId = newValue.copy();
}
/**
* Get the name of the remote ref.
* <p>
* Usually this is of the form "refs/heads/master".
*
* @return the name used within the remote repository.
*/
public String getRemoteName() {
return remoteName;
}
/**
* Get the name of the local tracking ref.
* <p>
* Usually this is of the form "refs/remotes/origin/master".
*
* @return the name used within this local repository.
*/
public String getLocalName() {
return localName;
}
/**
* Get the new value the ref will be (or was) updated to.
*
* @return new value. Null if the caller has not configured it.
*/
public ObjectId getNewObjectId() {
return newObjectId;
}
/**
* The old value of the ref, prior to the update being attempted.
* <p>
* This value may differ before and after the update method. Initially it is
* populated with the value of the ref before the lock is taken, but the old
* value may change if someone else modified the ref between the time we
* last read it and when the ref was locked for update.
*
* @return the value of the ref prior to the update being attempted.
*/
public ObjectId getOldObjectId() {
return oldObjectId;
}
/**
* Get the status of this update.
*
* @return the status of the update.
*/
public RefUpdate.Result getResult() {
return result;
}
void setResult(RefUpdate.Result result) {
this.result = result;
}
/**
* Get this update wrapped by a ReceiveCommand.
*
* @return this update wrapped by a ReceiveCommand.
* @since 3.4
*/
public ReceiveCommand asReceiveCommand() {
if (cmd == null)
cmd = new Command();
return cmd;
}
final class Command extends ReceiveCommand {
Command() {
super(oldObjectId, newObjectId, localName);
}
boolean canForceUpdate() {
return forceUpdate;
}
@Override
public void setResult(RefUpdate.Result status) {
result = status;
super.setResult(status);
}
@Override
public void setResult(ReceiveCommand.Result status) {
result = decode(status);
super.setResult(status);
}
@Override
public void setResult(ReceiveCommand.Result status, String msg) {
result = decode(status);
super.setResult(status, msg);
}
private RefUpdate.Result decode(ReceiveCommand.Result status) {
switch (status) {
case OK:
if (AnyObjectId.isEqual(oldObjectId, newObjectId))
return RefUpdate.Result.NO_CHANGE;
switch (getType()) {
case CREATE:
return RefUpdate.Result.NEW;
case UPDATE:
return RefUpdate.Result.FAST_FORWARD;
case DELETE:
case UPDATE_NONFASTFORWARD:
default:
return RefUpdate.Result.FORCED;
}
case REJECTED_NOCREATE:
case REJECTED_NODELETE:
case REJECTED_NONFASTFORWARD:
return RefUpdate.Result.REJECTED;
case REJECTED_CURRENT_BRANCH:
return RefUpdate.Result.REJECTED_CURRENT_BRANCH;
case REJECTED_MISSING_OBJECT:
return RefUpdate.Result.IO_FAILURE;
case LOCK_FAILURE:
case NOT_ATTEMPTED:
case REJECTED_OTHER_REASON:
default:
return RefUpdate.Result.LOCK_FAILURE;
}
}
}
/** {@inheritDoc} */
@SuppressWarnings("nls")
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("TrackingRefUpdate[");
sb.append(remoteName);
sb.append(" -> ");
sb.append(localName);
if (forceUpdate)
sb.append(" (forced)");
sb.append(" ");
sb.append(oldObjectId == null ? "" : oldObjectId.abbreviate(7).name());
sb.append("..");
sb.append(newObjectId == null ? "" : newObjectId.abbreviate(7).name());
sb.append("]");
return sb.toString();
}
}
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