| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.intellij.dvcs.branch; |
| |
| import com.intellij.dvcs.repo.Repository; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| |
| public abstract class DvcsMultiRootBranchConfig<Repo extends Repository> { |
| @NotNull protected final Collection<Repo> myRepositories; |
| |
| public DvcsMultiRootBranchConfig(@NotNull Collection<Repo> repositories) { |
| myRepositories = repositories; |
| } |
| |
| public boolean diverged() { |
| return getCurrentBranch() == null; |
| } |
| |
| @Nullable |
| public String getCurrentBranch() { |
| String commonBranch = null; |
| for (Repo repository : myRepositories) { |
| String branchName = repository.getCurrentBranchName(); |
| if (branchName == null) { |
| return null; |
| } |
| // NB: if all repositories are in the rebasing state on the same branches, this branch is returned |
| if (commonBranch == null) { |
| commonBranch = branchName; |
| } |
| else if (!commonBranch.equals(branchName)) { |
| return null; |
| } |
| } |
| return commonBranch; |
| } |
| |
| @Nullable |
| public Repository.State getState() { |
| Repository.State commonState = null; |
| for (Repo repository : myRepositories) { |
| Repository.State state = repository.getState(); |
| if (commonState == null) { |
| commonState = state; |
| } |
| else if (!commonState.equals(state)) { |
| return null; |
| } |
| } |
| return commonState; |
| } |
| |
| @NotNull |
| public abstract Collection<String> getLocalBranchNames(); |
| } |