Created
November 2, 2023 15:56
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bucket4j Jedis snippet
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import java.time.Duration; | |
import io.github.bucket4j.Bucket; | |
import io.github.bucket4j.BucketConfiguration; | |
import io.github.bucket4j.TokensInheritanceStrategy; | |
import io.github.bucket4j.redis.jedis.cas.JedisBasedProxyManager; | |
public class JedisSnippet { | |
private void test(JedisBasedProxyManager<byte[]> jedisBasedProxyManager) throws InterruptedException { | |
for (TokensInheritanceStrategy strategy : TokensInheritanceStrategy.values()) { | |
System.out.println("========================="); | |
System.out.println("Setting bandwith to 5/min"); | |
// Bucket bucket = Bucket.builder().addLimit(limit -> limit.capacity(5).refillGreedy(5, Duration.ofMinutes(1))).build(); | |
Bucket bucket = jedisBasedProxyManager.builder().build(strategy.name().getBytes(), () -> BucketConfiguration.builder() | |
.addLimit(limit -> limit.capacity(5).refillGreedy(5, Duration.ofMinutes(1))).build()); | |
tryConsume(bucket, 5, true); | |
tryConsume(bucket, 1, false); | |
System.out.println("Update configuration to 10/min using strategy " + strategy); | |
BucketConfiguration newConfig = BucketConfiguration.builder() | |
.addLimit(limit -> limit.capacity(10).refillGreedy(10, Duration.ofMinutes(1))).build(); | |
bucket.replaceConfiguration(newConfig, strategy); | |
System.out.println("Sleeping 60+ seconds in order to refill all tokens"); | |
Thread.sleep(61000); | |
tryConsume(bucket, 10, true); | |
tryConsume(bucket, 1, false); | |
} | |
} | |
private void tryConsume(Bucket bucket, int count, boolean expectedOutcome) { | |
boolean outcome = bucket.tryConsume(count); | |
System.out.println("Attempt to consume " + count); | |
if (outcome != expectedOutcome) { | |
System.out.println("Unexpected outcome: was " + outcome + " but expecting " + expectedOutcome); | |
} | |
} | |
} | |
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