#5173

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

Build # #5173

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push

github

Committed by

ben-manes

Commit Message

speed up development ci build

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/jcache/src/main/java/com/github/benmanes/caffeine/jcache/integration/JCacheLoaderAdapter.java

/*
 * Copyright 2015 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.jcache.integration;

import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.toUnmodifiableMap;

import java.lang.System.Logger;
import java.lang.System.Logger.Level;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import javax.cache.expiry.Duration;
import javax.cache.expiry.ExpiryPolicy;
import javax.cache.integration.CacheLoader;
import javax.cache.integration.CacheLoaderException;

import org.jspecify.annotations.Nullable;

import com.github.benmanes.caffeine.cache.Ticker;
import com.github.benmanes.caffeine.jcache.CacheProxy;
import com.github.benmanes.caffeine.jcache.Expirable;
import com.github.benmanes.caffeine.jcache.event.EventDispatcher;
import com.github.benmanes.caffeine.jcache.management.JCacheStatisticsMXBean;

/**
 * An adapter from a JCache cache loader to Caffeine's.
 *
 * @author ben.manes@gmail.com (Ben Manes)
 */
public final class JCacheLoaderAdapter<K, V>
    implements com.github.benmanes.caffeine.cache.CacheLoader<K, @Nullable Expirable<V>> {
  private static final Logger logger = System.getLogger(JCacheLoaderAdapter.class.getName());

  private final JCacheStatisticsMXBean statistics;
  private final EventDispatcher<K, V> dispatcher;
  private final CacheLoader<K, V> delegate;
  private final ExpiryPolicy expiry;
  private final Ticker ticker;

  private @Nullable CacheProxy<K, V> cache;

  public JCacheLoaderAdapter(CacheLoader<K, V> delegate, EventDispatcher<K, V> dispatcher,
      ExpiryPolicy expiry, Ticker ticker, JCacheStatisticsMXBean statistics) {
    this.dispatcher = requireNonNull(dispatcher);
    this.statistics = requireNonNull(statistics);
    this.delegate = requireNonNull(delegate);
    this.expiry = requireNonNull(expiry);
    this.ticker = requireNonNull(ticker);
  }

  /**
   * Sets the cache instance that was created with this loader.
   *
   * @param cache the cache that uses this loader
   */
  public void setCache(CacheProxy<K, V> cache) {
    this.cache = requireNonNull(cache);
  }

  @Override
  @SuppressWarnings("ConstantValue")
  public @Nullable Expirable<V> load(K key) {
    try {
      boolean statsEnabled = statistics.isEnabled();
      long start = statsEnabled ? ticker.read() : 0L;

      V value = delegate.load(key);
      if (value == null) {
        return null;
      }

      requireNonNull(cache);
      dispatcher.publishCreated(cache, key, value);

      if (statsEnabled) {
        // Subtracts the load time from the get time
        statistics.recordGetTime(start - ticker.read());
      }
      return new Expirable<>(value, expireTimeMillis());
    } catch (CacheLoaderException e) {
      throw e;
    } catch (RuntimeException e) {
      throw new CacheLoaderException(e);
    }
  }

  @Override
  public Map<K, Expirable<V>> loadAll(Set<? extends K> keys) {
    try {
      boolean statsEnabled = statistics.isEnabled();
      long start = statsEnabled ? ticker.read() : 0L;
      requireNonNull(cache);

      @SuppressWarnings("ConstantValue")
      Map<K, Expirable<V>> result = delegate.loadAll(keys).entrySet().stream()
          .filter(entry -> (entry.getKey() != null) && (entry.getValue() != null))
          .collect(toUnmodifiableMap(Map.Entry::getKey,
              entry -> new Expirable<>(entry.getValue(), expireTimeMillis())));
      for (var entry : result.entrySet()) {
        dispatcher.publishCreated(cache, entry.getKey(), entry.getValue().get());
      }

      if (statsEnabled) {
        // Subtracts the load time from the get time
        statistics.recordGetTime(start - ticker.read());
      }
      return result;
    } catch (CacheLoaderException e) {
      throw e;
    } catch (RuntimeException e) {
      throw new CacheLoaderException(e);
    }
  }

  private long expireTimeMillis() {
    try {
      Duration duration = expiry.getExpiryForCreation();
      if (duration.isZero()) {
        return 0;
      } else if (duration.isEternal()) {
        return Long.MAX_VALUE;
      }
      long millis = TimeUnit.NANOSECONDS.toMillis(ticker.read());
      return duration.getAdjustedTime(millis);
    } catch (RuntimeException e) {
      logger.log(Level.WARNING, "Exception thrown by expiry policy", e);
      throw e;
    }
  }
}

1	/*
2	* Copyright 2015 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.jcache.integration;
17
18	import static java.util.Objects.requireNonNull;
19	import static java.util.stream.Collectors.toUnmodifiableMap;
20
21	import java.lang.System.Logger;
22	import java.lang.System.Logger.Level;
23	import java.util.Map;
24	import java.util.Set;
25	import java.util.concurrent.TimeUnit;
26
27	import javax.cache.expiry.Duration;
28	import javax.cache.expiry.ExpiryPolicy;
29	import javax.cache.integration.CacheLoader;
30	import javax.cache.integration.CacheLoaderException;
31
32	import org.jspecify.annotations.Nullable;
33
34	import com.github.benmanes.caffeine.cache.Ticker;
35	import com.github.benmanes.caffeine.jcache.CacheProxy;
36	import com.github.benmanes.caffeine.jcache.Expirable;
37	import com.github.benmanes.caffeine.jcache.event.EventDispatcher;
38	import com.github.benmanes.caffeine.jcache.management.JCacheStatisticsMXBean;
39
40	/**
41	* An adapter from a JCache cache loader to Caffeine's.
42	*
43	* @author ben.manes@gmail.com (Ben Manes)
44	*/
45	public final class JCacheLoaderAdapter<K, V>
46	implements com.github.benmanes.caffeine.cache.CacheLoader<K, @Nullable Expirable<V>> {
47	private static final Logger logger = System.getLogger(JCacheLoaderAdapter.class.getName());	×
48
49	private final JCacheStatisticsMXBean statistics;
50	private final EventDispatcher<K, V> dispatcher;
51	private final CacheLoader<K, V> delegate;
52	private final ExpiryPolicy expiry;
53	private final Ticker ticker;
54
55	private @Nullable CacheProxy<K, V> cache;
56
57	public JCacheLoaderAdapter(CacheLoader<K, V> delegate, EventDispatcher<K, V> dispatcher,
58	ExpiryPolicy expiry, Ticker ticker, JCacheStatisticsMXBean statistics) {	×
59	this.dispatcher = requireNonNull(dispatcher);	×
60	this.statistics = requireNonNull(statistics);	×
61	this.delegate = requireNonNull(delegate);	×
62	this.expiry = requireNonNull(expiry);	×
63	this.ticker = requireNonNull(ticker);	×
64	}	×
65
66	/**
67	* Sets the cache instance that was created with this loader.
68	*
69	* @param cache the cache that uses this loader
70	*/
71	public void setCache(CacheProxy<K, V> cache) {
72	this.cache = requireNonNull(cache);	×
73	}	×
74
75	@Override
76	@SuppressWarnings("ConstantValue")
77	public @Nullable Expirable<V> load(K key) {
78	try {
79	boolean statsEnabled = statistics.isEnabled();	×
80	long start = statsEnabled ? ticker.read() : 0L;	×
81
82	V value = delegate.load(key);	×
83	if (value == null) {	×
84	return null;	×
85	}
86
87	requireNonNull(cache);	×
88	dispatcher.publishCreated(cache, key, value);	×
89
90	if (statsEnabled) {	×
91	// Subtracts the load time from the get time
92	statistics.recordGetTime(start - ticker.read());	×
93	}
94	return new Expirable<>(value, expireTimeMillis());	×
95	} catch (CacheLoaderException e) {	×
96	throw e;	×
97	} catch (RuntimeException e) {	×
98	throw new CacheLoaderException(e);	×
99	}
100	}
101
102	@Override
103	public Map<K, Expirable<V>> loadAll(Set<? extends K> keys) {
104	try {
105	boolean statsEnabled = statistics.isEnabled();	×
106	long start = statsEnabled ? ticker.read() : 0L;	×
107	requireNonNull(cache);	×
108
109	@SuppressWarnings("ConstantValue")
110	Map<K, Expirable<V>> result = delegate.loadAll(keys).entrySet().stream()	×
111	.filter(entry -> (entry.getKey() != null) && (entry.getValue() != null))	×
112	.collect(toUnmodifiableMap(Map.Entry::getKey,	×
113	entry -> new Expirable<>(entry.getValue(), expireTimeMillis())));	×
114	for (var entry : result.entrySet()) {	×
115	dispatcher.publishCreated(cache, entry.getKey(), entry.getValue().get());	×
116	}	×
117
118	if (statsEnabled) {	×
119	// Subtracts the load time from the get time
120	statistics.recordGetTime(start - ticker.read());	×
121	}
122	return result;	×
123	} catch (CacheLoaderException e) {	×
124	throw e;	×
125	} catch (RuntimeException e) {	×
126	throw new CacheLoaderException(e);	×
127	}
128	}
129
130	private long expireTimeMillis() {
131	try {
132	Duration duration = expiry.getExpiryForCreation();	×
133	if (duration.isZero()) {	×
134	return 0;	×
135	} else if (duration.isEternal()) {	×
136	return Long.MAX_VALUE;	×
137	}
138	long millis = TimeUnit.NANOSECONDS.toMillis(ticker.read());	×
139	return duration.getAdjustedTime(millis);	×
140	} catch (RuntimeException e) {	×
141	logger.log(Level.WARNING, "Exception thrown by expiry policy", e);	×
142	throw e;	×
143	}
144	}
145	}

ben-manes / caffeine / #5173

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