private JexlEngine engine;
private Expression expression;
private boolean isStrict;
public PartitionExpression(String expression, boolean isStrict) {
this.engine = new JexlEngine();
Map<String, Object> fns = new HashMap<String, Object>();
fns.put(null, PartitionFunctions.class);
this.engine.setFunctions(fns);
this.engine.setStrict(true);
this.engine.setSilent(false);