public void cleanupMatrixObject(MatrixObject mo) throws DMLRuntimeException {
try {
if (mo.isCleanupEnabled()) {
// compute ref count only if matrix cleanup actually necessary
if (!getVariables().hasReferences(mo)) {
// clean cached data
mo.clearData();
if (mo.isHDFSFileExists()) {
// clean hdfs data
String fpath = mo.getFileName();
if (fpath != null) {
MapReduceTool.deleteFileIfExistOnHDFS(fpath);
MapReduceTool.deleteFileIfExistOnHDFS(fpath + ".mtd");
}
}
}
}
} catch (Exception ex) {
throw new DMLRuntimeException(ex);
}
}
