If.java

   1 package org.argeo.slc.core.execution.tasks;
   2
   3 import org.argeo.slc.SlcException;
   4
   5 /** Conditional execution */
   6 public class If implements Runnable {
   7         private Boolean is;
   8         private Boolean not;
   9         private Runnable then;
  10         private Runnable els;
  11
  12         public void run() {
  13                 if (is == null && not == null)
  14                         throw new SlcException("No condition set");
  15                 if (is != null && not != null)
  16                         throw new SlcException("Both is and not cannot be set");
  17
  18                 boolean bool = (is != null ? is : !not);
  19                 if (bool) {
  20                         if (then != null)
  21                                 then.run();
  22                 } else {
  23                         if (els != null)
  24                                 els.run();
  25                 }
  26
  27         }
  28
  29         public void setIs(Boolean bool) {
  30                 this.is = bool;
  31         }
  32
  33         public void setThen(Runnable then) {
  34                 this.then = then;
  35         }
  36
  37         public void setEls(Runnable els) {
  38                 this.els = els;
  39         }
  40
  41         public Boolean getNot() {
  42                 return not;
  43         }
  44
  45         public void setNot(Boolean not) {
  46                 this.not = not;
  47         }
  48
  49 }