#5173

Committed 29 Dec 2025 05:27AM UTC coverage: 0.0% (-100.0%) from 100.0%

Build # #5173

Build Type

push

github

Committed by

ben-manes

Commit Message

speed up development ci build

Run Details

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/caffeine/src/main/java/com/github/benmanes/caffeine/cache/stats/ConcurrentStatsCounter.java

/*
 * Copyright 2014 Ben Manes. All Rights Reserved.
 *
 * 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.github.benmanes.caffeine.cache.stats;

import static java.util.Objects.requireNonNull;

import java.util.concurrent.atomic.LongAdder;

import org.jspecify.annotations.NullMarked;

import com.github.benmanes.caffeine.cache.Cache;
import com.github.benmanes.caffeine.cache.RemovalCause;

/**
 * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
 *
 * @author ben.manes@gmail.com (Ben Manes)
 */
@NullMarked
public final class ConcurrentStatsCounter implements StatsCounter {
  private final LongAdder hitCount;
  private final LongAdder missCount;
  private final LongAdder loadSuccessCount;
  private final LongAdder loadFailureCount;
  private final LongAdder totalLoadTime;
  private final LongAdder evictionCount;
  private final LongAdder evictionWeight;

  /**
   * Constructs an instance with all counts initialized to zero.
   */
  public ConcurrentStatsCounter() {
    hitCount = new LongAdder();
    missCount = new LongAdder();
    loadSuccessCount = new LongAdder();
    loadFailureCount = new LongAdder();
    totalLoadTime = new LongAdder();
    evictionCount = new LongAdder();
    evictionWeight = new LongAdder();
  }

  @Override
  public void recordHits(int count) {
    hitCount.add(count);
  }

  @Override
  public void recordMisses(int count) {
    missCount.add(count);
  }

  @Override
  public void recordLoadSuccess(long loadTime) {
    loadSuccessCount.increment();
    totalLoadTime.add(loadTime);
  }

  @Override
  public void recordLoadFailure(long loadTime) {
    loadFailureCount.increment();
    totalLoadTime.add(loadTime);
  }

  @Override
  public void recordEviction(int weight, RemovalCause cause) {
    requireNonNull(cause);
    evictionCount.increment();
    evictionWeight.add(weight);
  }

  @Override
  public CacheStats snapshot() {
    return CacheStats.of(
        negativeToMaxValue(hitCount.sum()),
        negativeToMaxValue(missCount.sum()),
        negativeToMaxValue(loadSuccessCount.sum()),
        negativeToMaxValue(loadFailureCount.sum()),
        negativeToMaxValue(totalLoadTime.sum()),
        negativeToMaxValue(evictionCount.sum()),
        negativeToMaxValue(evictionWeight.sum()));
  }

  /** Returns {@code value}, if non-negative. Otherwise, returns {@link Long#MAX_VALUE}. */
  private static long negativeToMaxValue(long value) {
    return (value >= 0) ? value : Long.MAX_VALUE;
  }

  /**
   * Increments all counters by the values in {@code other}.
   *
   * @param other the counter to increment from
   */
  public void incrementBy(StatsCounter other) {
    CacheStats otherStats = other.snapshot();
    hitCount.add(otherStats.hitCount());
    missCount.add(otherStats.missCount());
    loadSuccessCount.add(otherStats.loadSuccessCount());
    loadFailureCount.add(otherStats.loadFailureCount());
    totalLoadTime.add(otherStats.totalLoadTime());
    evictionCount.add(otherStats.evictionCount());
    evictionWeight.add(otherStats.evictionWeight());
  }

  @Override
  public String toString() {
    return snapshot().toString();
  }
}

1	/*
2	* Copyright 2014 Ben Manes. All Rights Reserved.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package com.github.benmanes.caffeine.cache.stats;
17
18	import static java.util.Objects.requireNonNull;
19
20	import java.util.concurrent.atomic.LongAdder;
21
22	import org.jspecify.annotations.NullMarked;
23
24	import com.github.benmanes.caffeine.cache.Cache;
25	import com.github.benmanes.caffeine.cache.RemovalCause;
26
27	/**
28	* A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
29	*
30	* @author ben.manes@gmail.com (Ben Manes)
31	*/
32	@NullMarked
33	public final class ConcurrentStatsCounter implements StatsCounter {
34	private final LongAdder hitCount;
35	private final LongAdder missCount;
36	private final LongAdder loadSuccessCount;
37	private final LongAdder loadFailureCount;
38	private final LongAdder totalLoadTime;
39	private final LongAdder evictionCount;
40	private final LongAdder evictionWeight;
41
42	/**
43	* Constructs an instance with all counts initialized to zero.
44	*/
45	public ConcurrentStatsCounter() {	×
46	hitCount = new LongAdder();	×
47	missCount = new LongAdder();	×
48	loadSuccessCount = new LongAdder();	×
49	loadFailureCount = new LongAdder();	×
50	totalLoadTime = new LongAdder();	×
51	evictionCount = new LongAdder();	×
52	evictionWeight = new LongAdder();	×
53	}	×
54
55	@Override
56	public void recordHits(int count) {
57	hitCount.add(count);	×
58	}	×
59
60	@Override
61	public void recordMisses(int count) {
62	missCount.add(count);	×
63	}	×
64
65	@Override
66	public void recordLoadSuccess(long loadTime) {
67	loadSuccessCount.increment();	×
68	totalLoadTime.add(loadTime);	×
69	}	×
70
71	@Override
72	public void recordLoadFailure(long loadTime) {
73	loadFailureCount.increment();	×
74	totalLoadTime.add(loadTime);	×
75	}	×
76
77	@Override
78	public void recordEviction(int weight, RemovalCause cause) {
79	requireNonNull(cause);	×
80	evictionCount.increment();	×
81	evictionWeight.add(weight);	×
82	}	×
83
84	@Override
85	public CacheStats snapshot() {
86	return CacheStats.of(	×
87	negativeToMaxValue(hitCount.sum()),	×
88	negativeToMaxValue(missCount.sum()),	×
89	negativeToMaxValue(loadSuccessCount.sum()),	×
90	negativeToMaxValue(loadFailureCount.sum()),	×
91	negativeToMaxValue(totalLoadTime.sum()),	×
92	negativeToMaxValue(evictionCount.sum()),	×
93	negativeToMaxValue(evictionWeight.sum()));	×
94	}
95
96	/** Returns {@code value}, if non-negative. Otherwise, returns {@link Long#MAX_VALUE}. */
97	private static long negativeToMaxValue(long value) {
98	return (value >= 0) ? value : Long.MAX_VALUE;	×
99	}
100
101	/**
102	* Increments all counters by the values in {@code other}.
103	*
104	* @param other the counter to increment from
105	*/
106	public void incrementBy(StatsCounter other) {
107	CacheStats otherStats = other.snapshot();	×
108	hitCount.add(otherStats.hitCount());	×
109	missCount.add(otherStats.missCount());	×
110	loadSuccessCount.add(otherStats.loadSuccessCount());	×
111	loadFailureCount.add(otherStats.loadFailureCount());	×
112	totalLoadTime.add(otherStats.totalLoadTime());	×
113	evictionCount.add(otherStats.evictionCount());	×
114	evictionWeight.add(otherStats.evictionWeight());	×
115	}	×
116
117	@Override
118	public String toString() {
119	return snapshot().toString();	×
120	}
121	}

ben-manes / caffeine / #5173

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