diff options
Diffstat (limited to 'java/com/google/gerrit/server/git/receive/AllRefsWatcher.java')
-rw-r--r-- | java/com/google/gerrit/server/git/receive/AllRefsWatcher.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/git/receive/AllRefsWatcher.java b/java/com/google/gerrit/server/git/receive/AllRefsWatcher.java new file mode 100644 index 0000000000..c092c432d5 --- /dev/null +++ b/java/com/google/gerrit/server/git/receive/AllRefsWatcher.java @@ -0,0 +1,50 @@ +// Copyright (C) 2017 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.receive; + +import static com.google.common.base.Preconditions.checkState; + +import com.google.gerrit.server.git.HookUtil; +import java.util.Map; +import org.eclipse.jgit.lib.Ref; +import org.eclipse.jgit.transport.AdvertiseRefsHook; +import org.eclipse.jgit.transport.BaseReceivePack; +import org.eclipse.jgit.transport.ServiceMayNotContinueException; +import org.eclipse.jgit.transport.UploadPack; + +/** + * Hook that scans all refs and holds onto the results reference. + * + * <p>This allows a caller who has an {@code AllRefsWatcher} instance to get the full map of refs in + * the repo, even if refs are filtered by a later hook or filter. + */ +class AllRefsWatcher implements AdvertiseRefsHook { + private Map<String, Ref> allRefs; + + @Override + public void advertiseRefs(BaseReceivePack rp) throws ServiceMayNotContinueException { + allRefs = HookUtil.ensureAllRefsAdvertised(rp); + } + + @Override + public void advertiseRefs(UploadPack uploadPack) { + throw new UnsupportedOperationException(); + } + + Map<String, Ref> getAllRefs() { + checkState(allRefs != null, "getAllRefs() only valid after refs were advertised"); + return allRefs; + } +} |