com.google.gerrit.server.notedb.RobotCommentNotes.java Source code

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Here is the source code for com.google.gerrit.server.notedb.RobotCommentNotes.java

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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.notedb;

import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.MultimapBuilder;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.reviewdb.client.RefNames;
import com.google.gerrit.reviewdb.client.RevId;
import com.google.gerrit.reviewdb.client.RobotComment;
import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.io.IOException;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectReader;
import org.eclipse.jgit.notes.NoteMap;
import org.eclipse.jgit.revwalk.RevCommit;

public class RobotCommentNotes extends AbstractChangeNotes<RobotCommentNotes> {
    public interface Factory {
        RobotCommentNotes create(Change change);
    }

    private final Change change;

    private ImmutableListMultimap<RevId, RobotComment> comments;
    private RevisionNoteMap<RobotCommentsRevisionNote> revisionNoteMap;
    private ObjectId metaId;

    @Inject
    RobotCommentNotes(Args args, @Assisted Change change) {
        super(args, change.getId(), PrimaryStorage.of(change), false);
        this.change = change;
    }

    RevisionNoteMap<RobotCommentsRevisionNote> getRevisionNoteMap() {
        return revisionNoteMap;
    }

    public ImmutableListMultimap<RevId, RobotComment> getComments() {
        return comments;
    }

    public boolean containsComment(RobotComment c) {
        for (RobotComment existing : comments.values()) {
            if (c.key.equals(existing.key)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRefName() {
        return RefNames.robotCommentsRef(getChangeId());
    }

    @Nullable
    public ObjectId getMetaId() {
        return metaId;
    }

    @Override
    protected void onLoad(LoadHandle handle) throws IOException, ConfigInvalidException {
        metaId = handle.id();
        if (metaId == null) {
            loadDefaults();
            return;
        }
        metaId = metaId.copy();

        RevCommit tipCommit = handle.walk().parseCommit(metaId);
        ObjectReader reader = handle.walk().getObjectReader();
        revisionNoteMap = RevisionNoteMap.parseRobotComments(args.noteUtil, reader,
                NoteMap.read(reader, tipCommit));
        ListMultimap<RevId, RobotComment> cs = MultimapBuilder.hashKeys().arrayListValues().build();
        for (RobotCommentsRevisionNote rn : revisionNoteMap.revisionNotes.values()) {
            for (RobotComment c : rn.getComments()) {
                cs.put(new RevId(c.revId), c);
            }
        }
        comments = ImmutableListMultimap.copyOf(cs);
    }

    @Override
    protected void loadDefaults() {
        comments = ImmutableListMultimap.of();
    }

    @Override
    public Project.NameKey getProjectName() {
        return change.getProject();
    }
}