jtulach@52: package org.netbeans.apifest.boolcircuit;
jtulach@52: 
jtulach@59: // BEGIN: apifest.day2.elementbasedsolution.Circuit
jtulach@52: public final class Circuit {
jtulach@52:     private Circuit() {
jtulach@52:     }
jtulach@52:     
jtulach@52:     public static Element and(final Element e1, final Element e2) {
jtulach@52:         return new Element() {
jtulach@52:             public boolean result() {
jtulach@52:                 return e1.result() && e2.result();
jtulach@52:             }
jtulach@52:             public double doubleResult() {
jtulach@52:                 return e1.doubleResult() * e2.doubleResult();
jtulach@52:             }
jtulach@52:         };
jtulach@52:     }
jtulach@52:     public static Element or(final Element e1, final Element e2) {
jtulach@52:         return new Element() {
jtulach@52:             public boolean result() {
jtulach@52:                 return e1.result() || e2.result();
jtulach@52:             }
jtulach@52:             public double doubleResult() {
jtulach@132:                 return 1.0 - 
jtulach@132:                     (1.0 - e1.doubleResult()) * (1.0 - e2.doubleResult());
jtulach@52:             }
jtulach@52:         };
jtulach@52:     }
jtulach@52: 
jtulach@52:     public static Element not(final Element e1) {
jtulach@52:         return new Element() {
jtulach@52:             public boolean result() {
jtulach@52:                 return !e1.result();
jtulach@52:             }
jtulach@52:             public double doubleResult() {
jtulach@52:                 return 1 - e1.doubleResult();
jtulach@52:             }
jtulach@52:         };
jtulach@52:     }
jtulach@52:     
jtulach@132:     public static Element operation(
jtulach@132:         final Operation op, final Element... elements
jtulach@132:     ) {
jtulach@52:         return new Element() {
jtulach@52:             public boolean result() {
jtulach@52:                 return doubleResult() >= 1.0;
jtulach@52:             }
jtulach@52:             public double doubleResult() {
jtulach@52:                 double[] arr = new double[elements.length];
jtulach@52:                 for (int i = 0; i < arr.length; i++) {
jtulach@52:                     arr[i] = elements[i].doubleResult();
jtulach@52:                 }
jtulach@52:                 return op.computeResult(arr);
jtulach@52:             }
jtulach@52:         };
jtulach@52:         
jtulach@52:     }
jtulach@52:     
jtulach@52:     public static Variable var() {
jtulach@52:         return new Variable();
jtulach@52:     }
jtulach@52:     
jtulach@52:     public static abstract class Element {
jtulach@52:         private Element() {
jtulach@52:         }
jtulach@52:         
jtulach@52:         public abstract boolean result();
jtulach@52:         public abstract double doubleResult();
jtulach@52:     }
jtulach@52:     
jtulach@52:     public static final class Variable extends Element {
jtulach@52:         private Boolean booleanValue;
jtulach@52:         private Double doubleValue;
jtulach@52:         
jtulach@52:         public void assignValue(boolean b) {
jtulach@52:             booleanValue = b;
jtulach@52:         }
jtulach@52:         public void assignValue(double d) {
jtulach@52:             if (d < 0 || d > 1) {
jtulach@52:                 throw new IllegalArgumentException();
jtulach@52:             }
jtulach@52:             doubleValue = d;
jtulach@52:         }
jtulach@52: 
jtulach@52:         public boolean result() {
jtulach@132:             return booleanValue != null ? 
jtulach@132:                 booleanValue : doubleValue >= 1.0;
jtulach@52:         }
jtulach@52: 
jtulach@52:         public double doubleResult() {
jtulach@132:             return doubleValue != null ? 
jtulach@132:                 doubleValue : (booleanValue ? 1.0 : 0.0);
jtulach@52:         }
jtulach@52: 
jtulach@52:     }
jtulach@52:     
jtulach@52:     public static interface Operation {
jtulach@52:         public double computeResult(double... values);
jtulach@52:     }
jtulach@52: }
jtulach@59: // END: apifest.day2.elementbasedsolution.Circuit