#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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/guava/src/main/java/com/github/benmanes/caffeine/guava/CaffeinatedGuavaLoadingCache.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.guava;

import static java.util.Objects.requireNonNull;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;

import org.jspecify.annotations.Nullable;

import com.github.benmanes.caffeine.cache.CacheLoader;
import com.google.common.cache.CacheLoader.InvalidCacheLoadException;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.ImmutableMap;
import com.google.common.util.concurrent.ExecutionError;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.UncheckedExecutionException;

/**
 * A Caffeine-backed loading cache through a Guava facade.
 *
 * @author ben.manes@gmail.com (Ben Manes)
 */
@SuppressWarnings("serial")
final class CaffeinatedGuavaLoadingCache<K, V>
    extends CaffeinatedGuavaCache<K, V> implements LoadingCache<K, V> {
  private static final ThreadLocal<Boolean> nullBulkLoad = ThreadLocal.withInitial(() -> false);
  private static final long serialVersionUID = 1L;

  private final com.github.benmanes.caffeine.cache.LoadingCache<K, V> cache;

  CaffeinatedGuavaLoadingCache(com.github.benmanes.caffeine.cache.LoadingCache<K, V> cache) {
    super(cache);
    this.cache = cache;
  }

  @Override
  @SuppressWarnings("PMD.PreserveStackTrace")
  public V get(K key) throws ExecutionException {
    requireNonNull(key);
    try {
      return cache.get(key);
    } catch (InvalidCacheLoadException e) {
      throw e;
    } catch (CacheLoaderException e) {
      throw new ExecutionException(e.getCause());
    } catch (RuntimeException e) {
      throw new UncheckedExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @Override
  @SuppressWarnings({"CatchingUnchecked", "PMD.PreserveStackTrace"})
  public V getUnchecked(K key) {
    try {
      return cache.get(key);
    } catch (NullPointerException | InvalidCacheLoadException e) {
      throw e;
    } catch (CacheLoaderException e) {
      throw new UncheckedExecutionException(e.getCause());
    } catch (Exception e) {
      throw new UncheckedExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @Override
  @SuppressWarnings({"CatchingUnchecked", "PMD.PreserveStackTrace"})
  public ImmutableMap<K, V> getAll(Iterable<? extends K> keys) throws ExecutionException {
    try {
      Map<K, V> result = cache.getAll(keys);
      if (nullBulkLoad.get()) {
        nullBulkLoad.set(false);
        throw new InvalidCacheLoadException("null key or value");
      }
      for (K key : keys) {
        if (!result.containsKey(key)) {
          throw new InvalidCacheLoadException("loadAll failed to return a value for " + key);
        }
      }
      return ImmutableMap.copyOf(result);
    } catch (NullPointerException | InvalidCacheLoadException e) {
      throw e;
    } catch (CacheLoaderException e) {
      throw new ExecutionException(e.getCause());
    } catch (Exception e) {
      throw new UncheckedExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @Override
  @SuppressWarnings("deprecation")
  public V apply(K key) {
    return cache.get(key);
  }

  @Override
  @SuppressWarnings("FutureReturnValueIgnored")
  public void refresh(K key) {
    cache.refresh(key);
  }

  abstract static class CaffeinatedLoader<K, V> implements CacheLoader<K, V>, Serializable {
    private static final long serialVersionUID = 1L;

    final com.google.common.cache.CacheLoader<K, V> cacheLoader;

    CaffeinatedLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
      this.cacheLoader = requireNonNull(cacheLoader);
    }
    @Override public CompletableFuture<V> asyncReload(K key, V oldValue, Executor executor) {
      var future = new CompletableFuture<V>();
      try {
        ListenableFuture<V> reloader = cacheLoader.reload(key, oldValue);
        if (reloader == null) {
          future.completeExceptionally(new InvalidCacheLoadException("null future"));
        } else {
          Futures.addCallback(reloader, new FutureCompleter<>(future), Runnable::run);
        }
      } catch (Throwable t) {
        future.completeExceptionally(t);
      }
      return future;
    }
  }

  static class InternalSingleLoader<K, V> extends CaffeinatedLoader<K, V> {
    private static final long serialVersionUID = 1L;

    InternalSingleLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
      super(cacheLoader);
    }
    @Override public V load(K key) {
      try {
        V value = cacheLoader.load(key);
        if (value == null) {
          throw new InvalidCacheLoadException("null value");
        }
        return value;
      } catch (RuntimeException | Error e) {
        throw e;
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new CacheLoaderException(e);
      } catch (Exception e) {
        throw new CacheLoaderException(e);
      }
    }
  }

  static final class InternalBulkLoader<K, V> extends InternalSingleLoader<K, V> {
    private static final long serialVersionUID = 1L;

    InternalBulkLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
      super(cacheLoader);
    }
    @Override public Map<K, V> loadAll(Set<? extends K> keys) {
      try {
        Map<K, V> loaded = cacheLoader.loadAll(keys);
        if (loaded == null) {
          throw new InvalidCacheLoadException("null map");
        }
        var result = new HashMap<K, V>(loaded.size(), /* loadFactor= */ 1.0f);
        loaded.forEach((key, value) -> {
          if ((key == null) || (value == null)) {
            nullBulkLoad.set(true);
          } else {
            result.put(key, value);
          }
        });
        return result;
      } catch (RuntimeException | Error e) {
        throw e;
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new CacheLoaderException(e);
      } catch (Exception e) {
        throw new CacheLoaderException(e);
      }
    }
  }

  static class ExternalSingleLoader<K, V> extends CaffeinatedLoader<K, V> {
    private static final long serialVersionUID = 1L;

    ExternalSingleLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
      super(cacheLoader);
    }
    @Override public V load(K key) throws Exception {
      V value = cacheLoader.load(key);
      if (value == null) {
        throw new InvalidCacheLoadException("null value");
      }
      return value;
    }
  }

  static final class ExternalBulkLoader<K, V> extends ExternalSingleLoader<K, V> {
    private static final long serialVersionUID = 1L;

    ExternalBulkLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
      super(cacheLoader);
    }
    @Override public Map<K, V> loadAll(Set<? extends K> keys) throws Exception {
      return cacheLoader.loadAll(keys);
    }
  }

  static final class FutureCompleter<V> implements FutureCallback<V> {
    final CompletableFuture<V> future;

    FutureCompleter(CompletableFuture<V> future) {
      this.future = future;
    }
    @Override public void onSuccess(@Nullable V value) {
      if (value == null) {
        future.completeExceptionally(new InvalidCacheLoadException("null value"));
      } else {
        future.complete(value);
      }
    }
    @Override public void onFailure(Throwable t) {
      future.completeExceptionally(t);
    }
  }
}

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.guava;
17
18	import static java.util.Objects.requireNonNull;
19
20	import java.io.Serializable;
21	import java.util.HashMap;
22	import java.util.Map;
23	import java.util.Set;
24	import java.util.concurrent.CompletableFuture;
25	import java.util.concurrent.ExecutionException;
26	import java.util.concurrent.Executor;
27
28	import org.jspecify.annotations.Nullable;
29
30	import com.github.benmanes.caffeine.cache.CacheLoader;
31	import com.google.common.cache.CacheLoader.InvalidCacheLoadException;
32	import com.google.common.cache.LoadingCache;
33	import com.google.common.collect.ImmutableMap;
34	import com.google.common.util.concurrent.ExecutionError;
35	import com.google.common.util.concurrent.FutureCallback;
36	import com.google.common.util.concurrent.Futures;
37	import com.google.common.util.concurrent.ListenableFuture;
38	import com.google.common.util.concurrent.UncheckedExecutionException;
39
40	/**
41	* A Caffeine-backed loading cache through a Guava facade.
42	*
43	* @author ben.manes@gmail.com (Ben Manes)
44	*/
45	@SuppressWarnings("serial")
46	final class CaffeinatedGuavaLoadingCache<K, V>
47	extends CaffeinatedGuavaCache<K, V> implements LoadingCache<K, V> {
48	private static final ThreadLocal<Boolean> nullBulkLoad = ThreadLocal.withInitial(() -> false);	×
49	private static final long serialVersionUID = 1L;
50
51	private final com.github.benmanes.caffeine.cache.LoadingCache<K, V> cache;
52
53	CaffeinatedGuavaLoadingCache(com.github.benmanes.caffeine.cache.LoadingCache<K, V> cache) {
54	super(cache);	×
55	this.cache = cache;	×
56	}	×
57
58	@Override
59	@SuppressWarnings("PMD.PreserveStackTrace")
60	public V get(K key) throws ExecutionException {
61	requireNonNull(key);	×
62	try {
63	return cache.get(key);	×
64	} catch (InvalidCacheLoadException e) {	×
65	throw e;	×
66	} catch (CacheLoaderException e) {	×
67	throw new ExecutionException(e.getCause());	×
68	} catch (RuntimeException e) {	×
69	throw new UncheckedExecutionException(e);	×
70	} catch (Error e) {	×
71	throw new ExecutionError(e);	×
72	}
73	}
74
75	@Override
76	@SuppressWarnings({"CatchingUnchecked", "PMD.PreserveStackTrace"})
77	public V getUnchecked(K key) {
78	try {
79	return cache.get(key);	×
80	} catch (NullPointerException \| InvalidCacheLoadException e) {	×
81	throw e;	×
82	} catch (CacheLoaderException e) {	×
83	throw new UncheckedExecutionException(e.getCause());	×
84	} catch (Exception e) {	×
85	throw new UncheckedExecutionException(e);	×
86	} catch (Error e) {	×
87	throw new ExecutionError(e);	×
88	}
89	}
90
91	@Override
92	@SuppressWarnings({"CatchingUnchecked", "PMD.PreserveStackTrace"})
93	public ImmutableMap<K, V> getAll(Iterable<? extends K> keys) throws ExecutionException {
94	try {
95	Map<K, V> result = cache.getAll(keys);	×
96	if (nullBulkLoad.get()) {	×
97	nullBulkLoad.set(false);	×
98	throw new InvalidCacheLoadException("null key or value");	×
99	}
100	for (K key : keys) {	×
101	if (!result.containsKey(key)) {	×
102	throw new InvalidCacheLoadException("loadAll failed to return a value for " + key);	×
103	}
104	}	×
105	return ImmutableMap.copyOf(result);	×
106	} catch (NullPointerException \| InvalidCacheLoadException e) {	×
107	throw e;	×
108	} catch (CacheLoaderException e) {	×
109	throw new ExecutionException(e.getCause());	×
110	} catch (Exception e) {	×
111	throw new UncheckedExecutionException(e);	×
112	} catch (Error e) {	×
113	throw new ExecutionError(e);	×
114	}
115	}
116
117	@Override
118	@SuppressWarnings("deprecation")
119	public V apply(K key) {
120	return cache.get(key);	×
121	}
122
123	@Override
124	@SuppressWarnings("FutureReturnValueIgnored")
125	public void refresh(K key) {
126	cache.refresh(key);	×
127	}	×
128
129	abstract static class CaffeinatedLoader<K, V> implements CacheLoader<K, V>, Serializable {
130	private static final long serialVersionUID = 1L;
131
132	final com.google.common.cache.CacheLoader<K, V> cacheLoader;
133
134	CaffeinatedLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {	×
135	this.cacheLoader = requireNonNull(cacheLoader);	×
136	}	×
137	@Override public CompletableFuture<V> asyncReload(K key, V oldValue, Executor executor) {
138	var future = new CompletableFuture<V>();	×
139	try {
140	ListenableFuture<V> reloader = cacheLoader.reload(key, oldValue);	×
141	if (reloader == null) {	×
142	future.completeExceptionally(new InvalidCacheLoadException("null future"));	×
143	} else {
144	Futures.addCallback(reloader, new FutureCompleter<>(future), Runnable::run);	×
145	}
146	} catch (Throwable t) {	×
147	future.completeExceptionally(t);	×
148	}	×
149	return future;	×
150	}
151	}
152
153	static class InternalSingleLoader<K, V> extends CaffeinatedLoader<K, V> {
154	private static final long serialVersionUID = 1L;
155
156	InternalSingleLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
157	super(cacheLoader);	×
158	}	×
159	@Override public V load(K key) {
160	try {
161	V value = cacheLoader.load(key);	×
162	if (value == null) {	×
163	throw new InvalidCacheLoadException("null value");	×
164	}
165	return value;	×
166	} catch (RuntimeException \| Error e) {	×
167	throw e;	×
168	} catch (InterruptedException e) {	×
169	Thread.currentThread().interrupt();	×
170	throw new CacheLoaderException(e);	×
171	} catch (Exception e) {	×
172	throw new CacheLoaderException(e);	×
173	}
174	}
175	}
176
177	static final class InternalBulkLoader<K, V> extends InternalSingleLoader<K, V> {
178	private static final long serialVersionUID = 1L;
179
180	InternalBulkLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
181	super(cacheLoader);	×
182	}	×
183	@Override public Map<K, V> loadAll(Set<? extends K> keys) {
184	try {
185	Map<K, V> loaded = cacheLoader.loadAll(keys);	×
186	if (loaded == null) {	×
187	throw new InvalidCacheLoadException("null map");	×
188	}
189	var result = new HashMap<K, V>(loaded.size(), /* loadFactor= */ 1.0f);	×
190	loaded.forEach((key, value) -> {	×
191	if ((key == null) \|\| (value == null)) {	×
192	nullBulkLoad.set(true);	×
193	} else {
194	result.put(key, value);	×
195	}
196	});	×
197	return result;	×
198	} catch (RuntimeException \| Error e) {	×
199	throw e;	×
200	} catch (InterruptedException e) {	×
201	Thread.currentThread().interrupt();	×
202	throw new CacheLoaderException(e);	×
203	} catch (Exception e) {	×
204	throw new CacheLoaderException(e);	×
205	}
206	}
207	}
208
209	static class ExternalSingleLoader<K, V> extends CaffeinatedLoader<K, V> {
210	private static final long serialVersionUID = 1L;
211
212	ExternalSingleLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
213	super(cacheLoader);	×
214	}	×
215	@Override public V load(K key) throws Exception {
216	V value = cacheLoader.load(key);	×
217	if (value == null) {	×
218	throw new InvalidCacheLoadException("null value");	×
219	}
220	return value;	×
221	}
222	}
223
224	static final class ExternalBulkLoader<K, V> extends ExternalSingleLoader<K, V> {
225	private static final long serialVersionUID = 1L;
226
227	ExternalBulkLoader(com.google.common.cache.CacheLoader<K, V> cacheLoader) {
228	super(cacheLoader);	×
229	}	×
230	@Override public Map<K, V> loadAll(Set<? extends K> keys) throws Exception {
231	return cacheLoader.loadAll(keys);	×
232	}
233	}
234
235	static final class FutureCompleter<V> implements FutureCallback<V> {
236	final CompletableFuture<V> future;
237
238	FutureCompleter(CompletableFuture<V> future) {	×
239	this.future = future;	×
240	}	×
241	@Override public void onSuccess(@Nullable V value) {
242	if (value == null) {	×
243	future.completeExceptionally(new InvalidCacheLoadException("null value"));	×
244	} else {
245	future.complete(value);	×
246	}
247	}	×
248	@Override public void onFailure(Throwable t) {
249	future.completeExceptionally(t);	×
250	}	×
251	}
252	}

ben-manes / caffeine / #5173

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