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helper for managing bucketed counters/timers
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103 changes: 103 additions & 0 deletions
103
spectator-ext-sandbox/src/main/java/com/netflix/spectator/sandbox/BucketCounter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /** | ||
| * Copyright 2015 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.netflix.spectator.sandbox; | ||
|
|
||
| import com.netflix.spectator.api.Counter; | ||
| import com.netflix.spectator.api.DistributionSummary; | ||
| import com.netflix.spectator.api.Id; | ||
| import com.netflix.spectator.api.Measurement; | ||
| import com.netflix.spectator.api.Registry; | ||
| import com.netflix.spectator.api.Spectator; | ||
|
|
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| import java.util.Collections; | ||
|
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| /** Counters that get incremented based on the bucket for recorded values. */ | ||
| public final class BucketCounter implements DistributionSummary { | ||
|
|
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| /** | ||
| * Creates a distribution summary object that manages a set of counters based on the bucket | ||
| * function supplied. Calling record will increment the appropriate counter. | ||
| * | ||
| * @param id | ||
| * Identifier for the metric being registered. | ||
| * @param f | ||
| * Function to map values to buckets. | ||
| * @return | ||
| * Distribution summary that manages sub-counters based on the bucket function. | ||
| */ | ||
| public static BucketCounter get(Id id, BucketFunction f) { | ||
| return get(Spectator.registry(), id, f); | ||
| } | ||
|
|
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| /** | ||
| * Creates a distribution summary object that manages a set of counters based on the bucket | ||
| * function supplied. Calling record will increment the appropriate counter. | ||
| * | ||
| * @param registry | ||
| * Registry to use. | ||
| * @param id | ||
| * Identifier for the metric being registered. | ||
| * @param f | ||
| * Function to map values to buckets. | ||
| * @return | ||
| * Distribution summary that manages sub-counters based on the bucket function. | ||
| */ | ||
| public static BucketCounter get(Registry registry, Id id, BucketFunction f) { | ||
| return new BucketCounter(registry, id, f); | ||
| } | ||
|
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| private final Registry registry; | ||
| private final Id id; | ||
| private final BucketFunction f; | ||
|
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| /** Create a new instance. */ | ||
| BucketCounter(Registry registry, Id id, BucketFunction f) { | ||
| this.registry = registry; | ||
| this.id = id; | ||
| this.f = f; | ||
| } | ||
|
|
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| @Override public Id id() { | ||
| return id; | ||
| } | ||
|
|
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| @Override public Iterable<Measurement> measure() { | ||
| return Collections.emptyList(); | ||
| } | ||
|
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| @Override public boolean hasExpired() { | ||
| return false; | ||
| } | ||
|
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| @Override public void record(long amount) { | ||
| counter(f.apply(amount)).increment(); | ||
| } | ||
|
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| /** | ||
| * Return the count for a given bucket. | ||
| */ | ||
| public Counter counter(String bucket) { | ||
| return registry.counter(id.withTag("bucket", bucket)); | ||
| } | ||
|
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| @Override public long count() { | ||
| return 0L; | ||
| } | ||
|
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| @Override public long totalAmount() { | ||
| return 0L; | ||
| } | ||
| } |
104 changes: 104 additions & 0 deletions
104
...or-ext-sandbox/src/main/java/com/netflix/spectator/sandbox/BucketDistributionSummary.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /** | ||
| * Copyright 2015 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.netflix.spectator.sandbox; | ||
|
|
||
| import com.netflix.spectator.api.DistributionSummary; | ||
| import com.netflix.spectator.api.Id; | ||
| import com.netflix.spectator.api.Measurement; | ||
| import com.netflix.spectator.api.Registry; | ||
| import com.netflix.spectator.api.Spectator; | ||
|
|
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| import java.util.Collections; | ||
|
|
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| /** Distribution summaries that get updated based on the bucket for recorded values. */ | ||
| public final class BucketDistributionSummary implements DistributionSummary { | ||
|
|
||
| /** | ||
| * Creates a distribution summary object that manages a set of distribution summaries based on | ||
| * the bucket function supplied. Calling record will be mapped to the record on the appropriate | ||
| * distribution summary. | ||
| * | ||
| * @param id | ||
| * Identifier for the metric being registered. | ||
| * @param f | ||
| * Function to map values to buckets. | ||
| * @return | ||
| * Distribution summary that manages sub-counters based on the bucket function. | ||
| */ | ||
| public static BucketDistributionSummary get(Id id, BucketFunction f) { | ||
| return get(Spectator.registry(), id, f); | ||
| } | ||
|
|
||
| /** | ||
| * Creates a distribution summary object that manages a set of distribution summaries based on | ||
| * the bucket function supplied. Calling record will be mapped to the record on the appropriate | ||
| * distribution summary. | ||
| * | ||
| * @param registry | ||
| * Registry to use. | ||
| * @param id | ||
| * Identifier for the metric being registered. | ||
| * @param f | ||
| * Function to map values to buckets. | ||
| * @return | ||
| * Distribution summary that manages sub-counters based on the bucket function. | ||
| */ | ||
| public static BucketDistributionSummary get(Registry registry, Id id, BucketFunction f) { | ||
| return new BucketDistributionSummary(registry, id, f); | ||
| } | ||
|
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| private final Registry registry; | ||
| private final Id id; | ||
| private final BucketFunction f; | ||
|
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| /** Create a new instance. */ | ||
| BucketDistributionSummary(Registry registry, Id id, BucketFunction f) { | ||
| this.registry = registry; | ||
| this.id = id; | ||
| this.f = f; | ||
| } | ||
|
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| @Override public Id id() { | ||
| return id; | ||
| } | ||
|
|
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| @Override public Iterable<Measurement> measure() { | ||
| return Collections.emptyList(); | ||
| } | ||
|
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| @Override public boolean hasExpired() { | ||
| return false; | ||
| } | ||
|
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| @Override public void record(long amount) { | ||
| distributionSummary(f.apply(amount)).record(amount); | ||
| } | ||
|
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| /** | ||
| * Return the count for a given bucket. | ||
| */ | ||
| public DistributionSummary distributionSummary(String bucket) { | ||
| return registry.distributionSummary(id.withTag("bucket", bucket)); | ||
| } | ||
|
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| @Override public long count() { | ||
| return 0L; | ||
| } | ||
|
|
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| @Override public long totalAmount() { | ||
| return 0L; | ||
| } | ||
| } |
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