/[projects]/CircuitBreaker/src/dk/thoerup/circuitbreaker/ClosedState.java
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CircuitBreaker/src/dk/thoerup/curcuitbreaker/ClosedState.java revision 393 by torben, Mon Oct 5 19:44:40 2009 UTC CircuitBreaker/src/dk/thoerup/circuitbreaker/ClosedState.java revision 1306 by torben, Tue Apr 19 15:22:09 2011 UTC
# Line 1  Line 1 
1  package dk.thoerup.curcuitbreaker;  package dk.thoerup.circuitbreaker;
2    
3  import java.util.concurrent.atomic.*;  import java.util.concurrent.atomic.AtomicInteger;
4    
5    import dk.thoerup.circuitbreaker.config.BreakerConfig;
6    
7    
 public class ClosedState implements CircuitBreakerState {  
8    
9          AtomicInteger failureCount = new AtomicInteger(0);  public final class ClosedState implements CircuitBreakerState {
10          AtomicInteger failureThreshold = new AtomicInteger(0);  
11            final AtomicInteger failureCount = new AtomicInteger(0);
12            
13            
14            BreakerConfig config;
15                    
16          public void setThreshold(int threshold) {          public void setThreshold(BreakerConfig config) {
17                  failureThreshold.set( threshold );                  this.config = config;
18          }          }
19    
20      public void preInvoke(CircuitBreaker circuitBreaker) throws Throwable      public void preInvoke(CircuitBreaker circuitBreaker) throws Exception
21      {      {
22          // NO OP          // NO OP
23      }      }
24    
25      public void postInvoke(CircuitBreaker circuitBreaker) throws Throwable      public void postInvoke(CircuitBreaker circuitBreaker) throws Exception
26      {      {
27          resetFailureCount();          resetFailureCount();
28      }      }
29    
30      public void onError(CircuitBreaker circuitBreaker, Throwable t) throws Throwable      public void onError(CircuitBreaker circuitBreaker, Exception t) throws Exception
31      {      {
32          int currentCount = failureCount.incrementAndGet();          int currentCount = failureCount.incrementAndGet();
33          int threshold = failureThreshold.get();          int threshold = config.getTreshold();
34          if(currentCount >= threshold)          if(currentCount >= threshold)
35              circuitBreaker.tripBreaker();              circuitBreaker.tripBreaker();
36      }      }
37            
38      private void resetFailureCount() {      public void resetFailureCount() {
39          failureCount.set(0);          failureCount.set(0);
40      }      }
41    
42            public String getName() {
43                    return "Closed";
44            }
45            
46            public int getFailureCount() {
47                    return failureCount.get();
48            }
49            
50            public int getThreshold() {
51                    return config.getTreshold();
52            }
53  }  }
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