package org.jboss.resteasy.utils;
/**
* This class is copied from shared module of wildfly-core testsuite.
* <p>
* Adjusts default timeouts according to the system property.
* <p>
* All tests influenced by machine slowness should employ this util.
*
* @author Ondrej Zizka
* @author Radoslav Husar
* @author Jan Lanik
*/
public class TimeoutUtil {
public static final String FACTOR_SYS_PROP = "ts.timeout.factor";
private static int factor;
static {
factor = Integer.getInteger(FACTOR_SYS_PROP, 100);
}
/**
* Adjusts timeout for operations.
*
* @return given timeout adjusted by ratio from system property "ts.timeout.factor"
*/
public static int adjust(int amount) {
if (amount < 0) {
throw new IllegalArgumentException("amount must be non-negative");
}
int numerator = amount * factor;
int finalTimeout;
if (numerator % 100 == 0) {
//in this case there is no lost of accuracy in integer division
finalTimeout = numerator / 100;
} else {
/*in this case there is a loss of accuracy. It's better to round the result up because
if we round down, we would get 0 in case that amount<100.
*/
finalTimeout = (numerator / 100) + 1;
}
return finalTimeout;
}
/**
* Get timeout factor to multiply by.
*
* @return double factor value
*/
public static double getFactor() {
return (double) factor / 100;
}
/**
* Get raw timeout factor.
*
* @return value of parsed system property "ts.timeout.factor"
*/
public static int getRawFactor() {
return factor;
}
}