Retrieving the dataset commit and re-executing the query

retrievingdatasets.java

String workingTreeDir = getWorkingTreeDir();
Git git = new Git(repository));

// Checking out the query branch and loading the query
git.checkout().setName("refs/heads/queries").call();
Path path = Paths.get(workingTreeDir, DigestUtils.sha1Hex(pid) + ".query");
Properties properties = properties.load(Files.newBufferedReader(path))

// Extracting the commit hash from the metadata file
Query query = new DefaultQuery(properties.getProperty("commit"));
String revision = query.getCommit().getRevisionId();

// Retrieving the correct commit that contains the dataset
git.checkout().setName(revision).call();
ObjectId head = repository.resolve(Constants.HEAD);

// Re-executing the query on the dataset
TableModel tableModel = retrieveDatasetForQuery(workingTreeDir, query.getQuery(), head);