private void validateForPrioritize(S s) {
if (s.strict()) {
throw new IllegalArgumentException(s.name() + ": not prioritizable: is strict");
}
if (!this.range.contains(s)) {
throw new IllegalArgumentException(s.name() + ": not contained or is backup");
}
}
/**
* Returns <code>true</code> if the given strategy is contained within this instance, <code>
* false</code> otherwise.
*
* @param s to search
* @return true if strategy has been found, false otherwise
*/
public boolean contains(S s) {
// if s is strict then search in strict:
if (s.strict() && this.strict.containsKey(s.target())) {
return true;
}
// else search in range:
if (this.containsName(this.range, s.name())) {
return true;
}
// search for it in backup, if any:
if (this.backup != null) {
if (this.containsName(this.backup, s.name())) {
return true;
}
}
return false;
}
private boolean containsName(List<S> source, String strategyName) {
for (S s : source) {
if (s.name().equals(strategyName)) {
return true;
}
}
return false;
}
/**
* Removes the given strategy and returns true if it was found and removed. If <code>s</code> is
* strict then it will be searched by target, else it will be searched by name.
*
* @param s to remove
* @return true if strategy has been removed, false otherwise
*/
public boolean remove(S s) {
if (s.strict()) {
return this.strict.remove(s.target()) != null;
} else {
final ListIterator<S> it = this.range.listIterator();
while (it.hasNext()) {
if (it.next().name().equals(s.name())) {
it.remove();
return true;
}
}
return false;
}
}