private void pruneConflictingLocalBranch(Branch winnersBranch) throws Exception {
Branch localPruneBranch =
databaseReconciliator.findLosersPruneBranch(localBranch, winnersBranch);
logger.log(Level.INFO, "- Database versions to REMOVE locally: " + localPruneBranch);
if (localPruneBranch.size() == 0) {
logger.log(Level.INFO, " + Nothing to prune locally. No conflicts. Only updates. Nice!");
} else {
// Load dirty database (if existent)
logger.log(Level.INFO, " + Pruning databases locally ...");
Database dirtyDatabase = new Database();
for (DatabaseVersionHeader databaseVersionHeader : localPruneBranch.getAll()) {
// Database version
DatabaseVersion databaseVersion =
localDatabase.getDatabaseVersion(databaseVersionHeader.getVectorClock());
dirtyDatabase.addDatabaseVersion(databaseVersion);
// Remove database version locally
logger.log(Level.INFO, " * Removing " + databaseVersionHeader + " ...");
localDatabase.removeDatabaseVersion(databaseVersion);
DatabaseRemoteFile remoteFileToPrune =
new DatabaseRemoteFile(
"db-"
+ config.getMachineName()
+ "-"
+ databaseVersionHeader.getVectorClock().get(config.getMachineName()));
logger.log(Level.INFO, " * Deleting remote database file " + remoteFileToPrune + " ...");
transferManager.delete(remoteFileToPrune);
}
logger.log(
Level.INFO, " * Saving dirty database to " + config.getDirtyDatabaseFile() + " ...");
saveLocalDatabase(dirtyDatabase, config.getDirtyDatabaseFile());
}
}
