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| 1 | + |
| 2 | +package com.commercetools.monitoring.datadog.statsd; |
| 3 | + |
| 4 | +import static com.commercetools.monitoring.datadog.DatadogInfo.*; |
| 5 | +import static java.lang.String.format; |
| 6 | + |
| 7 | +import java.time.Duration; |
| 8 | +import java.time.Instant; |
| 9 | + |
| 10 | +import com.fasterxml.jackson.core.JsonProcessingException; |
| 11 | +import com.fasterxml.jackson.core.type.TypeReference; |
| 12 | +import com.fasterxml.jackson.databind.JavaType; |
| 13 | +import com.timgroup.statsd.StatsDClient; |
| 14 | + |
| 15 | +import io.vrap.rmf.base.client.ApiHttpResponse; |
| 16 | +import io.vrap.rmf.base.client.ResponseSerializer; |
| 17 | + |
| 18 | +/** |
| 19 | + * This serializer uses dogstatsd library to submit metrics to datadog. |
| 20 | + * If you are not using statsd, use {@link com.commercetools.monitoring.datadog.DatadogResponseSerializer} to submit metrics to datadog with API. |
| 21 | + */ |
| 22 | +public class DatadogResponseSerializer implements ResponseSerializer { |
| 23 | + private final ResponseSerializer serializer; |
| 24 | + |
| 25 | + private final StatsDClient statsDClient; |
| 26 | + |
| 27 | + public DatadogResponseSerializer(final ResponseSerializer serializer, final StatsDClient datadogStatsDClient) { |
| 28 | + this.serializer = serializer; |
| 29 | + this.statsDClient = datadogStatsDClient; |
| 30 | + } |
| 31 | + |
| 32 | + @Override |
| 33 | + public <O> ApiHttpResponse<O> convertResponse(ApiHttpResponse<byte[]> response, Class<O> outputType) { |
| 34 | + Instant start = Instant.now(); |
| 35 | + ApiHttpResponse<O> result = serializer.convertResponse(response, outputType); |
| 36 | + long durationInMillis = Duration.between(start, Instant.now()).toMillis(); |
| 37 | + this.statsDClient.recordHistogramValue(PREFIX + "." + JSON_SERIALIZATION, durationInMillis, |
| 38 | + format("%s:%s", RESPONSE_BODY_TYPE, outputType.getCanonicalName())); |
| 39 | + return result; |
| 40 | + } |
| 41 | + |
| 42 | + @Override |
| 43 | + public <O> ApiHttpResponse<O> convertResponse(ApiHttpResponse<byte[]> response, JavaType outputType) { |
| 44 | + Instant start = Instant.now(); |
| 45 | + ApiHttpResponse<O> result = serializer.convertResponse(response, outputType); |
| 46 | + long durationInMillis = Duration.between(start, Instant.now()).toMillis(); |
| 47 | + this.statsDClient.recordHistogramValue(PREFIX + "." + JSON_SERIALIZATION, durationInMillis, |
| 48 | + format("%s:%s", RESPONSE_BODY_TYPE, outputType.toString())); |
| 49 | + return result; |
| 50 | + } |
| 51 | + |
| 52 | + @Override |
| 53 | + public <O> ApiHttpResponse<O> convertResponse(ApiHttpResponse<byte[]> response, TypeReference<O> outputType) { |
| 54 | + Instant start = Instant.now(); |
| 55 | + ApiHttpResponse<O> result = serializer.convertResponse(response, outputType); |
| 56 | + long durationInMillis = Duration.between(start, Instant.now()).toMillis(); |
| 57 | + this.statsDClient.recordHistogramValue(PREFIX + "." + JSON_SERIALIZATION, durationInMillis, |
| 58 | + format("%s:%s", RESPONSE_BODY_TYPE, outputType.getType().getTypeName())); |
| 59 | + return result; |
| 60 | + } |
| 61 | + |
| 62 | + @Override |
| 63 | + public byte[] toJsonByteArray(Object value) throws JsonProcessingException { |
| 64 | + Instant start = Instant.now(); |
| 65 | + byte[] result = serializer.toJsonByteArray(value); |
| 66 | + long durationInMillis = Duration.between(start, Instant.now()).toMillis(); |
| 67 | + this.statsDClient.recordHistogramValue(PREFIX + "." + JSON_DESERIALIZATION, durationInMillis, |
| 68 | + format("%s:%s", REQUEST_BODY_TYPE, value.getClass().getCanonicalName())); |
| 69 | + return result; |
| 70 | + } |
| 71 | + |
| 72 | +} |
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