Examples with KeyWithBytes org.projectnessie.versioned.persist.adapter.KeyWithBytes used on opensource projects

Example 1 with KeyWithBytes

use of org.projectnessie.versioned.persist.adapter.KeyWithBytes in project nessie by projectnessie.

the class AbstractDatabaseAdapter method checkForKeyCollisions.

/**
 * For merge/transplant, verifies that the given commits do not touch any of the given keys.
 *
 * @param commitsChronological list of commit-log-entries, in order of commit-operations,
 *     chronological order
 */
protected void checkForKeyCollisions(OP_CONTEXT ctx, Hash refHead, Set<Key> keysTouchedOnTarget, List<CommitLogEntry> commitsChronological) throws ReferenceConflictException, ReferenceNotFoundException {
    Set<Key> keyCollisions = new HashSet<>();
    for (int i = commitsChronological.size() - 1; i >= 0; i--) {
        CommitLogEntry sourceCommit = commitsChronological.get(i);
        Stream.concat(sourceCommit.getPuts().stream().map(KeyWithBytes::getKey), sourceCommit.getDeletes().stream()).filter(keysTouchedOnTarget::contains).forEach(keyCollisions::add);
    }
    if (!keyCollisions.isEmpty()) {
        removeKeyCollisionsForNamespaces(ctx, refHead, commitsChronological.get(commitsChronological.size() - 1).getHash(), keyCollisions);
        if (!keyCollisions.isEmpty()) {
            throw new ReferenceConflictException(String.format("The following keys have been changed in conflict: %s", keyCollisions.stream().map(k -> String.format("'%s'", k.toString())).collect(Collectors.joining(", "))));
        }
    }
}