package net.sf.appstatus.core.services;
   
   public abstract class AbstractServiceMonitor implements IServiceMonitor {
   
   	private final boolean useThreadLocal;
   
   	/**
   	 * This class implements Thread local support for ServiceMonitor.
   	 *
  	 * @param useThreadLocal
  	 */
  	public AbstractServiceMonitor(boolean useThreadLocal) {
  		this.useThreadLocal = useThreadLocal;
  	}
  
  	public void beginCall(Object... parameters) {
  		if (useThreadLocal) {
  			IServiceMonitor current = ServiceMonitorLocator.getCurrentServiceMonitor();
  			if (null != current) {
  				current.nestedCall();
  			}
  
  			ServiceMonitorLocator.getServiceMonitorStack().push(this);
  		}
  	}
  
  	public void endCall() {
  		if (useThreadLocal) {
  			ServiceMonitorLocator.getServiceMonitorStack().remove(this);
  		}
  	}
  
  }