/**
* Set whether to cache some values.
*
* <p>By default, the engine will cache the results of <tt>Class.getMethods()</tt> and similar
* calls. This can speed execution dramatically, but increases the memory footprint. Also, with
* caching enabled, references may be held to objects past the lifetime of any real usage.
*
* <p>If caching is enabled and this method is called with a <code>false</code> argument, the
* caches will be emptied.
*
* <p>Caching is enabled by default.
*
* @param enabled if true, caching is enabled
* @see #clearCaches()
*/
public synchronized void setCachingEnabled(boolean enabled) {
if (enabled == cachingIsEnabled) return;
if (!enabled) clearCaches();
cachingIsEnabled = enabled;
}
