package org.lsst.ccs.plugin.jas3.trending.timeselection;
   
   import gnu.jel.CompilationException;
   import gnu.jel.CompiledExpression;
   import gnu.jel.Evaluator;
   import gnu.jel.Library;
   
   /**
    *
   * @author turri
   */
  public class Compiler {
  
      public static TimeSelectionCompiledExpression compile(String expression) throws CompilationException {
          // Set up the library
          Class[] staticLib = { java.lang.Math.class };
          Class[] dynamicLib = { TimeSelectionEvaluator.class };
          Class[] dotLib = { Object.class, String.class, java.util.Date.class };
          Library lib=new Library(staticLib, dynamicLib, dotLib, new TimeSelectionNameResolver(), null);
          lib.markStateDependent("random",null);
          CompiledExpression cexpr = Evaluator.compile(expression,lib,null);
          return new TimeSelectionCompiledExpression(cexpr);
      }
  }