VersionedMetaData: Allow handling of LockFailure when using batch

Add a new exception type that extends IOException and is thrown in
case of a LOCK_FAILURE from Jgit when updating the ref. This allows
callers to handle LOCK_FAILURE errors specially.

Change-Id: I7660b94b6854c4cef457659d5bc0365d5e14bc0b
Signed-off-by: Edwin Kempin <ekempin@google.com>
This commit is contained in:
Edwin Kempin
2016-11-17 14:28:05 -08:00
parent a522b150b2
commit 61aa7999ee
2 changed files with 32 additions and 2 deletions

View File

@@ -0,0 +1,26 @@
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.git;
import java.io.IOException;
/** Thrown when updating a ref in Git fails with LOCK_FAILURE. */
public class LockFailureException extends IOException {
private static final long serialVersionUID = 1L;
public LockFailureException(String message) {
super(message);
}
}

View File

@@ -347,9 +347,11 @@ public abstract class VersionedMetaData {
case FORCED:
update.fireGitRefUpdatedEvent(ru);
return;
case LOCK_FAILURE:
throw new LockFailureException("Cannot delete " + ru.getName()
+ " in " + db.getDirectory() + ": " + ru.getResult());
case FAST_FORWARD:
case IO_FAILURE:
case LOCK_FAILURE:
case NEW:
case NOT_ATTEMPTED:
case NO_CHANGE:
@@ -424,9 +426,11 @@ public abstract class VersionedMetaData {
revision = rw.parseCommit(ru.getNewObjectId());
update.fireGitRefUpdatedEvent(ru);
return revision;
case LOCK_FAILURE:
throw new LockFailureException("Cannot update " + ru.getName()
+ " in " + db.getDirectory() + ": " + ru.getResult());
case FORCED:
case IO_FAILURE:
case LOCK_FAILURE:
case NOT_ATTEMPTED:
case NO_CHANGE:
case REJECTED: