package railo.runtime.interpreter.ref.op;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.interpreter.ref.Ref;
import railo.runtime.interpreter.ref.RefSupport;
import railo.runtime.op.Caster;
/**
* Plus operation
*/
public final class Negate extends RefSupport implements Ref {
private Ref ref;
/**
* constructor of the class
* @param ref
*/
public Negate(Ref ref) {
this.ref=ref;
}
@Override
public Object getValue(PageContext pc) throws PageException {
return new Double(-Caster.toDoubleValue(ref.getValue(pc)));
}
@Override
public String getTypeName() {
return "operation";
}
}