/[projects]/CircuitBreaker/src/dk/thoerup/circuitbreaker/CircuitBreaker.java
ViewVC logotype

Diff of /CircuitBreaker/src/dk/thoerup/circuitbreaker/CircuitBreaker.java

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

CircuitBreaker/src/dk/thoerup/curcuitbreaker/CircuitBreaker.java revision 452 by torben, Tue Oct 20 10:47:36 2009 UTC CircuitBreaker/src/dk/thoerup/circuitbreaker/CircuitBreaker.java revision 864 by torben, Sun Jun 20 21:54:53 2010 UTC
# Line 1  Line 1 
1  package dk.thoerup.curcuitbreaker;  package dk.thoerup.circuitbreaker;
2    
3    
4  import dk.thoerup.curcuitbreaker.notification.Notifier;  import dk.thoerup.circuitbreaker.notification.Notifier;
5  import dk.thoerup.curcuitbreaker.notification.NullNotifier;  import dk.thoerup.circuitbreaker.notification.NullNotifier;
6    
7  /* Simple CircuitBreaker implementation - snipped from http://www.jroller.com/kenwdelong/entry/circuit_breaker_in_java  /* Simple CircuitBreaker implementation - snipped from http://www.jroller.com/kenwdelong/entry/circuit_breaker_in_java
8   *   *
# Line 58  public class CircuitBreaker{ Line 58  public class CircuitBreaker{
58                  open.setTimeout(timeoutMS);                  open.setTimeout(timeoutMS);
59                                    
60                  this.name = name;                  this.name = name;
61                            
62                  reset();                  //set correct intial state
63                    internalReset();
64          }          }
65                    
66                    
# Line 91  public class CircuitBreaker{ Line 92  public class CircuitBreaker{
92          }              }    
93      }      }
94            
95            //a re-trip should basically do the same as a normal trip, but it is here just to differentiate the two different events
96        public void retripBreaker() {
97            synchronized(this) {
98                    if (currentState != open) { // TODO:Is this conditional necessary ??
99                            open.trip();
100                            currentState = open;
101                    
102                            notifier.sendNotification(name, Notifier.Event.BreakerRetripped);
103                    }
104            }    
105        }
106    
107      public void attemptReset() {      public void attemptReset() {
108          synchronized(this) {          synchronized(this) {
109                  if (currentState != halfOpen) { // TODO:Is this conditional necessary ??                  if (currentState != halfOpen) { // TODO:Is this conditional necessary ??
# Line 104  public class CircuitBreaker{ Line 117  public class CircuitBreaker{
117      public void reset() {      public void reset() {
118          synchronized(this) {          synchronized(this) {
119                  if (currentState != closed) { // TODO: Is this conditional necessary ??                  if (currentState != closed) { // TODO: Is this conditional necessary ??
120                          currentState = closed;                          internalReset();
121                          notifier.sendNotification(name, Notifier.Event.BreakerReset);                          notifier.sendNotification(name, Notifier.Event.BreakerReset);
122                  }                  }
123          }          }
124      }      }
125            
126        //This one actually sets the correct closed/reset state
127        private void internalReset() {
128                    closed.resetFailureCount();
129                    currentState = closed;          
130        }
131        
132            
133      private CircuitBreakerState getState() {      private CircuitBreakerState getState() {
134          synchronized(this) {          synchronized(this) {
Legend:
Removed from v.452  
changed lines
  Added in v.864
  ViewVC Help
Powered by ViewVC 1.1.20