How to use

clone

method

in

com.wizzardo.tools.evaluation.Expression

@Override
public Operation clone() {
  return new Operation(leftPart == null ? null : leftPart.clone(), rightPart == null ? null : rightPart.clone(), operator);
}

@Override
public Operation clone() {
  return new Operation(leftPart == null ? null : leftPart.clone(), rightPart == null ? null : rightPart.clone(), operator);
}

@Override
public Expression clone() {
  return new AsBooleanExpression(condition.clone());
}

@Override
public Expression clone() {
  return new AsBooleanExpression(condition.clone());
}

@Override
public Expression clone() {
  TemplateBuilder tb = new TemplateBuilder();
  for (Expression e : parts) {
    tb.parts.add(e.clone());
  }
  return tb;
}

@Override
public Expression clone() {
  TemplateBuilder tb = new TemplateBuilder();
  for (Expression e : parts) {
    tb.parts.add(e.clone());
  }
  return tb;
}

@Override
public Expression clone() {
  if (elseStatement != null)
    return new IfExpression((AsBooleanExpression) condition.clone(), thenStatement.clone(), elseStatement.clone());
  else
    return new IfExpression((AsBooleanExpression) condition.clone(), thenStatement.clone());
}

@Override
public Expression clone() {
  if (elseStatement != null)
    return new IfExpression((AsBooleanExpression) condition.clone(), thenStatement.clone(), elseStatement.clone());
  else
    return new IfExpression((AsBooleanExpression) condition.clone(), thenStatement.clone());
}

@Override
public UserFunction clone() {
  String[] args = null;
  if (argsNames != null) {
    args = new String[argsNames.length];
    System.arraycopy(argsNames, 0, args, 0, args.length);
  }
  if (eh == null) {
    return new UserFunction(name, exp, args);
  } else {
    return new UserFunction(name, eh.clone(), args);
  }
}

@Override
public UserFunction clone() {
  String[] args = null;
  if (argsNames != null) {
    args = new String[argsNames.length];
    System.arraycopy(argsNames, 0, args, 0, args.length);
  }
  if (eh == null) {
    return new UserFunction(name, exp, args);
  } else {
    return new UserFunction(name, eh.clone(), args);
  }
}

@Override
public Function clone() {
  Expression[] args = null;
  if (this.args != null) {
    args = new Expression[this.args.length];
    for (int i = 0; i < args.length; i++) {
      args[i] = this.args[i].clone();
    }
  }
  if (constructor != null) {
    return new Function(constructor, args);
  }
  if (field != null) {
    return new Function(thatObject, field, safeNavigation);
  }
  if (fieldName != null) {
    return new Function(thatObject, fieldName, safeNavigation);
  }
  if (method != null) {
    return new Function(thatObject.clone(), method, args, safeNavigation);
  }
  return new Function(thatObject.clone(), methodName, args, safeNavigation);
}

@Override
public Function clone() {
  Expression[] args = null;
  if (this.args != null) {
    args = new Expression[this.args.length];
    for (int i = 0; i < args.length; i++) {
      args[i] = this.args[i].clone();
    }
  }
  if (constructor != null) {
    return new Function(constructor, args);
  }
  if (field != null) {
    return new Function(thatObject, field, safeNavigation);
  }
  if (fieldName != null) {
    return new Function(thatObject, fieldName, safeNavigation);
  }
  if (method != null) {
    return new Function(thatObject.clone(), method, args, safeNavigation);
  }
  return new Function(thatObject.clone(), methodName, args, safeNavigation);
}

@Test
public void testClone() throws Exception {
  String exp = "1+\"ololo\".substring(2)";
  Expression eh = EvalTools.prepare(exp);
  Object ob1 = eh.get(null);
  Object ob2 = eh.get(null);
  assertTrue(ob1 == ob2);
  eh = eh.clone();
  Object ob3 = eh.get(null);
  assertTrue(ob1 != ob3);
  assertTrue(ob1.equals(ob3));
}