Created
July 6, 2020 05:05
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public class RetryEngine { | |
private RetryTemplate retryTemplate; | |
public RetryEngine(int numberOfRetries, Class<? extends Throwable> exceptionToRetry) { | |
Map<Class<? extends Throwable>, Boolean> map = new HashMap<>(); | |
map.put(exceptionToRetry, true); | |
retryTemplate = initRetryTemplate(numberOfRetries, map); | |
} | |
public RetryEngine(Class<? extends Throwable> exceptionToRetry) { | |
this(100, exceptionToRetry); | |
} | |
public RetryEngine(int numberOfRetries, Map<Class<? extends Throwable>, Boolean> exceptionMap) { | |
retryTemplate = initRetryTemplate(numberOfRetries, exceptionMap); | |
} | |
public RetryEngine(Map<Class<? extends Throwable>, Boolean> exceptionMap) { | |
this(10, exceptionMap); | |
} | |
private RetryTemplate initRetryTemplate(int numberOfRetries, Map<Class<? extends Throwable>, Boolean> exceptionMap) { | |
RetryTemplate retryTemplate = new RetryTemplate(); | |
FixedBackOffPolicy fixedBackOffPolicy = new FixedBackOffPolicy(); | |
fixedBackOffPolicy.setBackOffPeriod(5000); | |
retryTemplate.setBackOffPolicy(fixedBackOffPolicy); | |
SimpleRetryPolicy simpleRetryPolicy = new SimpleRetryPolicy(numberOfRetries, exceptionMap); | |
retryTemplate.setRetryPolicy(simpleRetryPolicy); | |
return retryTemplate; | |
} | |
public void execute(RetryCallback retryCallback) { | |
retryTemplate.execute(retryCallback); | |
} | |
} |
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