Line data    Source code

       1             : // Copyright (C) 2012 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.submit;
      16             : 
      17             : import com.google.common.flogger.FluentLogger;
      18             : import com.google.gerrit.entities.BranchNameKey;
      19             : import com.google.gerrit.entities.SubmissionId;
      20             : import com.google.gerrit.exceptions.StorageException;
      21             : import com.google.gerrit.extensions.api.changes.SubmitInput;
      22             : import com.google.gerrit.extensions.client.SubmitType;
      23             : import com.google.gerrit.server.IdentifiedUser;
      24             : import com.google.gerrit.server.git.CodeReviewCommit;
      25             : import com.google.gerrit.server.git.CodeReviewCommit.CodeReviewRevWalk;
      26             : import com.google.gerrit.server.git.MergeTip;
      27             : import com.google.gerrit.server.submit.MergeOp.CommitStatus;
      28             : import com.google.inject.Inject;
      29             : import com.google.inject.Singleton;
      30             : import java.util.Set;
      31             : import org.eclipse.jgit.revwalk.RevCommit;
      32             : import org.eclipse.jgit.revwalk.RevFlag;
      33             : 
      34             : /** Factory to create a {@link SubmitStrategy} for a {@link SubmitType}. */
      35             : @Singleton
      36             : public class SubmitStrategyFactory {
      37         142 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      38             : 
      39             :   private final SubmitStrategy.Arguments.Factory argsFactory;
      40             : 
      41             :   @Inject
      42         142 :   SubmitStrategyFactory(SubmitStrategy.Arguments.Factory argsFactory) {
      43         142 :     this.argsFactory = argsFactory;
      44         142 :   }
      45             : 
      46             :   public SubmitStrategy create(
      47             :       SubmitType submitType,
      48             :       CodeReviewRevWalk rw,
      49             :       RevFlag canMergeFlag,
      50             :       Set<RevCommit> alreadyAccepted,
      51             :       Set<CodeReviewCommit> incoming,
      52             :       BranchNameKey destBranch,
      53             :       IdentifiedUser caller,
      54             :       MergeTip mergeTip,
      55             :       CommitStatus commitStatus,
      56             :       SubmissionId submissionId,
      57             :       SubmitInput submitInput,
      58             :       SubmoduleCommits submoduleCommits,
      59             :       SubscriptionGraph subscriptionGraph,
      60             :       boolean dryrun) {
      61          53 :     SubmitStrategy.Arguments args =
      62          53 :         argsFactory.create(
      63             :             submitType,
      64             :             destBranch,
      65             :             commitStatus,
      66             :             rw,
      67             :             caller,
      68             :             mergeTip,
      69             :             canMergeFlag,
      70             :             alreadyAccepted,
      71             :             incoming,
      72             :             submissionId,
      73             :             submitInput,
      74             :             submoduleCommits,
      75             :             subscriptionGraph,
      76             :             dryrun);
      77          53 :     switch (submitType) {
      78             :       case CHERRY_PICK:
      79           7 :         return new CherryPick(args);
      80             :       case FAST_FORWARD_ONLY:
      81           3 :         return new FastForwardOnly(args);
      82             :       case MERGE_ALWAYS:
      83           5 :         return new MergeAlways(args);
      84             :       case MERGE_IF_NECESSARY:
      85          53 :         return new MergeIfNecessary(args);
      86             :       case REBASE_IF_NECESSARY:
      87           4 :         return new RebaseIfNecessary(args);
      88             :       case REBASE_ALWAYS:
      89           4 :         return new RebaseAlways(args);
      90             :       case INHERIT:
      91             :       default:
      92           0 :         String errorMsg = "No submit strategy for: " + submitType;
      93           0 :         logger.atSevere().log("%s", errorMsg);
      94           0 :         throw new StorageException(errorMsg);
      95             :     }
      96             :   }
      97             : }