import com.apama.jmon.*;
import com.apama.jmon.annotation.*;
 
@Application(name = "Simple",
    author = "Moray Grieve",
    version = "1.0",
    company = "Apama",
    description = "Deployment descriptor for the Simple JMon monitor",
    classpath = ""
    )
 
@MonitorType(description = "A simple JMon monitor, used to show
    functionality of a new installation.")
public class Simple implements Monitor, MatchListener {
 
   public Simple() {}
 
   public void onLoad() {
     EventExpression eventExpr = new EventExpression(
         "all Tick(*, >10.0):t");
     eventExpr.addMatchListener(this);
   }
   public void match(MatchEvent event) {
     Tick tick = (Tick)event.getMatchingEvents().get("t");
     tick.emit();
   }
}

import com.apama.jmon.Event;
import com.apama.jmon.annotation.*;
 
@EventType(description = "Event which signals a stock trade")
public class Tick extends Event {
 
  public String name;
  public double price;
  public Tick() {
    this("", 0);
  }
 
  public Tick(String name, double price){
     this.name = name;
     this.price = price;
   }
}