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package com.sun.faces.application.applicationimpl.events;
import static com.sun.faces.util.Util.coalesce;
import javax.faces.event.SystemEvent;
import com.sun.faces.util.Cache;
import com.sun.faces.util.Cache.Factory;
/**
* Simple wrapper class for application level SystemEvents. It provides the structure to map a
* single SystemEvent to multiple sources which are represented by <code>SourceInfo</code>
* instances.
*/
public class SystemEventInfo {
private Cache<Class<?>, EventInfo> cache = new Cache<>(new Factory<Class<?>, EventInfo>() {
@Override
public EventInfo newInstance(Class<?> arg) throws InterruptedException {
return new EventInfo(systemEvent, arg);
}
});
private Class<? extends SystemEvent> systemEvent;
// -------------------------------------------------------- Constructors
public SystemEventInfo(Class<? extends SystemEvent> systemEvent) {
this.systemEvent = systemEvent;
}
// ------------------------------------------------------ Public Methods
public EventInfo getEventInfo(Class<?> source) {
return cache.get(coalesce(source, Void.class));
}
}