//package com.myapp.util.security.crypt;
/**
* immutable.
* false == 0, true == 1
* @author andre
*/
final class Bit {
private static int creationCounter = 0;
private static final String TRUE = "1";
private static final String FALSE = "0";
/**this flag contains all data needed*/
final boolean val;
Bit(boolean value) {
this.val = value;
// creationCounter++; // for benchmarking...
}
Bit xor(Bit other) {return new Bit((val && (!other.val)) || ((!val) && other.val));}
Bit and(Bit other) {return new Bit(val && other.val);}
Bit or(Bit other) {return new Bit(val || other.val);}
Bit not() {return new Bit(!val);}
Bit nand(Bit other) {return new Bit(!(val && other.val));}
Bit nor(Bit other) {return new Bit(!(val || other.val));}
@Override public String toString() {return val ? TRUE : FALSE;}
@Override public boolean equals(Object o) {return ((Bit) o).val == val;}
@Override public int hashCode() {return val ? 1 : 0;}
public static int getCreationCounter() {
return creationCounter;
}
public static void setCreationCounter(int creationCounter) {
Bit.creationCounter = creationCounter;
}
}
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