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// 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 static com.google.common.collect.ImmutableList.toImmutableList;
import com.google.common.collect.ImmutableList;
import java.io.IOException;
import org.eclipse.jgit.lib.BatchRefUpdate;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.transport.ReceiveCommand;
/** Thrown when updating a ref in Git fails with LOCK_FAILURE. */
public class LockFailureException extends IOException {
private static final long serialVersionUID = 1L;
private final ImmutableList<String> refs;
public LockFailureException(String message, RefUpdate refUpdate) {
super(message);
refs = ImmutableList.of(refUpdate.getName());
}
public LockFailureException(String message, BatchRefUpdate batchRefUpdate) {
super(message);
refs =
batchRefUpdate.getCommands().stream()
.filter(c -> c.getResult() == ReceiveCommand.Result.LOCK_FAILURE)
.map(ReceiveCommand::getRefName)
.collect(toImmutableList());
}
/** Subset of ref names that caused the lock failure. */
public ImmutableList<String> getFailedRefs() {
return refs;
}
}
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