gitlet/gitlet/gitlet/CommitStore.java at master · xUser5000/gitlet · GitHub

History

54 lines (45 loc) · 1.52 KB

Raw

package gitlet;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import java.util.Objects;

import java.util.stream.Collectors;

import java.util.stream.Stream;

import static gitlet.Utils.*;

public class CommitStore {

private final File COMMITS_DIR;

public CommitStore(File commitDirectory) {

COMMITS_DIR = commitDirectory;

if (!COMMITS_DIR.exists()) {

COMMITS_DIR.mkdir();

}

public Commit getCommitByHash(String commitId) {

if (commitId == null) return null;

File commitFile = join(COMMITS_DIR, commitId);

if (commitFile.exists()) {

return readObject(commitFile, Commit.class);

}

return allCommitsStream()

.filter(commit -> commit.getHash().startsWith(commitId))

.findFirst()

.orElse(null);

}

public List<Commit> getCommitsByMessage(String message) {

return allCommitsStream()

.filter(commit -> commit.getMessage().equals(message))

.collect(Collectors.toList());

}

public void saveCommit(Commit commit) {

File commitFile = join(COMMITS_DIR, commit.getHash());

writeObject(commitFile, commit);

}

public List<Commit> allCommits() {

return allCommitsStream().collect(Collectors.toList());

}

public Stream<Commit> allCommitsStream() {

return Objects.requireNonNull(plainFilenamesIn(COMMITS_DIR))

.stream()

.map(this::getCommitByHash);

}

gitlet/gitlet/gitlet/CommitStore.java at master · xUser5000/gitlet · GitHub

Expand file tree

Breadcrumbs

CommitStore.java

Latest commit

History

Breadcrumbs

CommitStore.java

File metadata and controls