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kristofmeixner/retrievingdatasets.java

Created July 12, 2016 06:51
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Retrieving the dataset commit and re-executing the query
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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);
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