thoerup/circuitbreaker/AccountingCircuitBreaker.java

package dk.thoerup.circuitbreaker;

import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;

import dk.thoerup.circuitbreaker.config.BreakerConfig;
import dk.thoerup.circuitbreaker.config.StaticConfig;

@Deprecated
public class AccountingCircuitBreaker extends CircuitBreaker {

        private AtomicInteger tripCount = new AtomicInteger(0); // how many times ahs the CB tripped  
        private AtomicInteger retripCount = new AtomicInteger(0);   
        private AtomicInteger blockCount = new AtomicInteger(0); //how many times has this CB blocked a call that would otherwise go to the backend
        private AtomicInteger totalFailureCount = new AtomicInteger(0); //how many times has the backend thrown an exception
        private AtomicInteger totalCallCount = new AtomicInteger(0);
        
        private AtomicLong lastTrip = new AtomicLong(0);
        private AtomicLong lastRetrip = new AtomicLong(0);
        private AtomicLong lastFailure = new AtomicLong(0);
        private AtomicLong lastReset = new AtomicLong(0);
        
        private long lastResetCounters = 0;
        
        @Deprecated
        public AccountingCircuitBreaker(String name, int treshold, int timeout) {
                this(name,  new StaticConfig(treshold, timeout) ) ;
        }
        
        public AccountingCircuitBreaker(String name, BreakerConfig config) {
                super(name, config);

                resetCounters();
        }

        @Override
        public Object invoke(CircuitInvocation invocation) throws Exception {
                Object result;
                try {
                        totalCallCount.incrementAndGet();
                        result = super.invoke(invocation);
                } catch (Exception e) {
                        if (e instanceof CircuitBreakerException) {
                                blockCount.incrementAndGet();
                        } else {
                                totalFailureCount.incrementAndGet();
                                lastFailure.set( System.currentTimeMillis() );
                        }
                        throw e;
                }
                
                return result;
        }

        @Override
        public void tripBreaker() {
                super.tripBreaker();
                tripCount.incrementAndGet();
                lastTrip.set( System.currentTimeMillis() );
        }
        
        @Override
        public void retripBreaker() {
                super.retripBreaker();
                retripCount.incrementAndGet();
                lastRetrip.set( System.currentTimeMillis() );
        }
        
        
        @Override
        public void reset() {
                super.reset();
                lastReset.set( System.currentTimeMillis());
        }

        public int getTripCount() {
                return tripCount.get();
        }
        
        public int getRetripCount() {
                return retripCount.get();
        }

        public int getBlockCount() {
                return blockCount.get();        
        }
        
        public int getTotalFailureCount() {
                return totalFailureCount.get();
        }
        
        public long getLastResetCounters() {
                return lastResetCounters;
        }
        
        public long getLastTrip() {
                return lastTrip.get();
        }
        
        public long getLastRetrip() {
                return lastRetrip.get();
        }

        public long getLastFailure() {
                return lastFailure.get();
        }
        
        public long getLastReset() {
                return lastReset.get();
        }
        
        public int getTotalCallCount() {
                return totalCallCount.get();
        }
        
        public void resetCounters() {
                tripCount.set(0);
                retripCount.set(0);
                blockCount.set(0);
                totalFailureCount.set(0);
                totalCallCount.set(0);
                lastTrip.set(0);
                lastRetrip.set(0);
                lastReset.set(0);
                lastFailure.set(0);
                
                lastResetCounters = System.currentTimeMillis();
        }
        
}
1	torben	467	package dk.thoerup.circuitbreaker;
2	torben	399
3			import java.util.concurrent.atomic.AtomicInteger;
4	torben	460	import java.util.concurrent.atomic.AtomicLong;
5	torben	399
6	torben	1314	import dk.thoerup.circuitbreaker.config.BreakerConfig;
7	torben	1376	import dk.thoerup.circuitbreaker.config.StaticConfig;
8	torben	1314
9	torben	2569	@Deprecated
10	torben	399	public class AccountingCircuitBreaker extends CircuitBreaker {
11
12			private AtomicInteger tripCount = new AtomicInteger(0); // how many times ahs the CB tripped
13	torben	864	private AtomicInteger retripCount = new AtomicInteger(0);
14	torben	399	private AtomicInteger blockCount = new AtomicInteger(0); //how many times has this CB blocked a call that would otherwise go to the backend
15	torben	403	private AtomicInteger totalFailureCount = new AtomicInteger(0); //how many times has the backend thrown an exception
16			private AtomicInteger totalCallCount = new AtomicInteger(0);
17	torben	624
18	torben	460	private AtomicLong lastTrip = new AtomicLong(0);
19	torben	864	private AtomicLong lastRetrip = new AtomicLong(0);
20	torben	621	private AtomicLong lastFailure = new AtomicLong(0);
21	torben	624	private AtomicLong lastReset = new AtomicLong(0);
22
23	torben	404	private long lastResetCounters = 0;
24	torben	400
25	torben	1376	@Deprecated
26			public AccountingCircuitBreaker(String name, int treshold, int timeout) {
27			this(name, new StaticConfig(treshold, timeout) ) ;
28			}
29
30	torben	1314	public AccountingCircuitBreaker(String name, BreakerConfig config) {
31			super(name, config);
32	torben	444
33			resetCounters();
34	torben	399	}
35
36			@Override
37	torben	450	public Object invoke(CircuitInvocation invocation) throws Exception {
38	torben	399	Object result;
39			try {
40	torben	403	totalCallCount.incrementAndGet();
41	torben	399	result = super.invoke(invocation);
42	torben	450	} catch (Exception e) {
43			if (e instanceof CircuitBreakerException) {
44	torben	399	blockCount.incrementAndGet();
45			} else {
46	torben	403	totalFailureCount.incrementAndGet();
47	torben	621	lastFailure.set( System.currentTimeMillis() );
48	torben	399	}
49	torben	450	throw e;
50	torben	399	}
51
52			return result;
53			}
54
55			@Override
56			public void tripBreaker() {
57			super.tripBreaker();
58			tripCount.incrementAndGet();
59	torben	460	lastTrip.set( System.currentTimeMillis() );
60	torben	399	}
61
62	torben	864	@Override
63			public void retripBreaker() {
64			super.retripBreaker();
65			retripCount.incrementAndGet();
66			lastRetrip.set( System.currentTimeMillis() );
67			}
68	torben	624
69
70			@Override
71			public void reset() {
72			super.reset();
73			lastReset.set( System.currentTimeMillis());
74			}
75
76	torben	399	public int getTripCount() {
77			return tripCount.get();
78			}
79
80	torben	864	public int getRetripCount() {
81			return retripCount.get();
82			}
83
84	torben	399	public int getBlockCount() {
85			return blockCount.get();
86			}
87
88	torben	403	public int getTotalFailureCount() {
89			return totalFailureCount.get();
90	torben	399	}
91
92	torben	404	public long getLastResetCounters() {
93			return lastResetCounters;
94	torben	400	}
95
96	torben	460	public long getLastTrip() {
97			return lastTrip.get();
98			}
99
100	torben	864	public long getLastRetrip() {
101			return lastRetrip.get();
102			}
103
104	torben	621	public long getLastFailure() {
105			return lastFailure.get();
106			}
107
108	torben	624	public long getLastReset() {
109			return lastReset.get();
110			}
111
112	torben	403	public int getTotalCallCount() {
113			return totalCallCount.get();
114			}
115
116	torben	399	public void resetCounters() {
117			tripCount.set(0);
118	torben	864	retripCount.set(0);
119	torben	399	blockCount.set(0);
120	torben	403	totalFailureCount.set(0);
121			totalCallCount.set(0);
122	torben	460	lastTrip.set(0);
123	torben	864	lastRetrip.set(0);
124	torben	624	lastReset.set(0);
125	torben	621	lastFailure.set(0);
126	torben	400
127	torben	404	lastResetCounters = System.currentTimeMillis();
128	torben	399	}
129
130			}