src/main/java/wtf/metio/reguloj/RuleImplementation.java

   1 package wtf.metio.reguloj;
   2
   3 import java.util.Objects;
   4 import java.util.function.Consumer;
   5 import java.util.function.Predicate;
   6
   7 final class RuleImplementation<CONTEXT extends Context<?>> implements Rule<CONTEXT> {
   8
   9     private final String name;
  10     private final Predicate<CONTEXT> predicate;
  11     private final Consumer<CONTEXT> consumer;
  12
  13     RuleImplementation(final String name, final Predicate<CONTEXT> predicate, final Consumer<CONTEXT> consumer) {
  14         this.name = name;
  15         this.predicate = predicate;
  16         this.consumer = consumer;
  17     }
  18
  19     @Override
  20     public void run(final CONTEXT context) {
  21         if (fires(context)) {
  22             consumer.accept(context);
  23         }
  24     }
  25
  26     @Override
  27     public boolean fires(final CONTEXT context) {
  28         return predicate.test(context);
  29     }
  30
  31     @Override
  32     public String getName() {
  33         return name;
  34     }
  35
  36     @Override
  37     public int hashCode() {
  38         return Objects.hash(name, predicate, consumer);
  39     }
  40
  41     @Override
  42     public boolean equals(final Object object) {
  43         if (object instanceof RuleImplementation) {
  44             final RuleImplementation<?> that = (RuleImplementation<?>) object;
  45
  46             return Objects.equals(name, that.name) && Objects.equals(predicate, that.predicate)
  47                     && Objects.equals(consumer, that.consumer);
  48         }
  49         return false;
  50     }
  51
  52 }