adam bien's blog

import javax.ejb.Singleton;
import javax.annotation.PostConstruct;
import javax.ejb.ConcurrencyManagement;
import java.util.concurrent.ConcurrentHashMap;
import javax.ejb.ConcurrencyManagementType;

@Singleton
@ConcurrencyManagement(ConcurrencyManagementType.BEAN)
public class Hits {

    private ConcurrentHashMap hits = null;
	
	@PostConstruct
    public void initialize() {
        this.hits = new ConcurrentHashMap();
	}
//cache accessors omitted
}