svnserver.repository.git.cache.CacheChange.java Source code

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Here is the source code for svnserver.repository.git.cache.CacheChange.java

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/**
 * This file is part of git-as-svn. It is subject to the license terms
 * in the LICENSE file found in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/gpl-2.0.html. No part of git-as-svn,
 * including this file, may be copied, modified, propagated, or distributed
 * except according to the terms contained in the LICENSE file.
 */
package svnserver.repository.git.cache;

import org.eclipse.jgit.lib.ObjectId;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import svnserver.repository.git.GitFile;
import svnserver.repository.git.GitLogPair;
import svnserver.repository.git.GitObject;

/**
 * Change file/directory information.
 *
 * @author Artem V. Navrotskiy <bozaro@users.noreply.github.com>
 */
public class CacheChange {
    @Nullable
    private final ObjectId oldFile;
    @Nullable
    private final ObjectId newFile;

    protected CacheChange() {
        oldFile = null;
        newFile = null;
    }

    public CacheChange(@NotNull GitLogPair logPair) {
        this(getFileId(logPair.getOldEntry()), getFileId(logPair.getNewEntry()));
    }

    public CacheChange(@Nullable ObjectId oldFile, @Nullable ObjectId newFile) {
        this.oldFile = oldFile != null ? oldFile.copy() : null;
        this.newFile = newFile != null ? newFile.copy() : null;
    }

    @Nullable
    public ObjectId getOldFile() {
        return oldFile;
    }

    @Nullable
    public ObjectId getNewFile() {
        return newFile;
    }

    @Nullable
    private static ObjectId getFileId(@Nullable GitFile gitFile) {
        final GitObject<ObjectId> gitObject = gitFile == null ? null : gitFile.getObjectId();
        return gitObject == null ? null : gitObject.getObject();
    }
}