| // Copyright (C) 2021 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.googlesource.gerrit.plugins.depends.on; |
| |
| import com.google.gerrit.entities.BranchNameKey; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gerrit.server.query.change.InternalChangeQuery; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class Resolver { |
| private final Provider<InternalChangeQuery> queryProvider; |
| |
| @Inject |
| public Resolver(Provider<InternalChangeQuery> queryProvider) { |
| this.queryProvider = queryProvider; |
| } |
| |
| /** Are all the deps resolved to a specific change? */ |
| protected static boolean isResolved(Set<DependsOn> deps) { |
| for (DependsOn dep : deps) { |
| if (dep.id() == null) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| protected Set<DependsOn> resolve(Set<DependsOn> deps, Set<Set<BranchNameKey>> deliverables) { |
| /* ToDo: optimize and query all changes with a given Key up front */ |
| Set<DependsOn> current = new HashSet<>(); |
| for (DependsOn dep : deps) { |
| if (dep.id() == null) { |
| for (Set<BranchNameKey> deliverable : deliverables) { |
| Set<DependsOn> resolved = resolve(dep, deliverable); |
| if (resolved.isEmpty()) { |
| current.add(dep); |
| } else { |
| current.addAll(resolved); |
| } |
| } |
| } else { |
| current.add(dep); |
| } |
| } |
| return current; |
| } |
| |
| protected Set<DependsOn> resolve(DependsOn dep, Set<BranchNameKey> deliverable) { |
| Set<DependsOn> found = new HashSet<>(); |
| // Although we expect at most one change for each deliverable, |
| // it is possible that someone re-used a change id across different projects, |
| // therefore return all changes and let the caller decide what to do with them. |
| for (BranchNameKey branch : deliverable) { |
| for (ChangeData change : queryProvider.get().byBranchKey(branch, dep.key())) { |
| found.add(DependsOn.create(String.valueOf(change.getId()))); |
| } |
| } |
| return found; |
| } |
| } |