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package dk.thoerup.curcuitbreaker; |
package dk.thoerup.circuitbreaker; |
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import java.util.HashMap; |
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import java.util.Map; |
import java.util.Map; |
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import java.util.Map.Entry; |
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import java.util.Set; |
import java.util.Set; |
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import java.util.concurrent.ConcurrentHashMap; |
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public class CircuitBreakerManager { |
public class CircuitBreakerManager { |
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private static CircuitBreakerManager manager = null; |
private static CircuitBreakerManager manager = null; |
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private Map<String,CircuitBreaker> breakers = new HashMap<String,CircuitBreaker>(); |
private Map<String,CircuitBreaker> breakers = new ConcurrentHashMap<String,CircuitBreaker>(); |
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private CircuitBreakerManager() { |
private CircuitBreakerManager() { |
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} |
} |
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public static CircuitBreakerManager getManager() { //singleton interface |
public static CircuitBreakerManager getManager() { //singleton interface |
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if (manager == null) { |
synchronized(CircuitBreakerManager.class) { |
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manager = new CircuitBreakerManager(); |
if (manager == null) { |
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manager = new CircuitBreakerManager(); |
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} |
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} |
} |
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return manager; |
return manager; |
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} |
} |
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public CircuitBreaker getCircuitBreaker(String name) { |
public CircuitBreaker getCircuitBreaker(String name) { |
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return breakers.get(name); |
return breakers.get(name); |
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} |
} |
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public void removeCircuitBreaker(String name) { |
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breakers.remove(name); |
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} |
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public void addCircuitBreaker(CircuitBreaker cb) { |
public void addCircuitBreaker(CircuitBreaker cb) { |
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breakers.put(cb.getName(), cb); |
breakers.put(cb.getName(), cb); |
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} |
} |
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public void shutdown() { |
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for ( Entry<String,CircuitBreaker> entry : breakers.entrySet() ) { |
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entry.getValue().shutdown(); |
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} |
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breakers.clear(); |
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} |
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} |
} |