28848089351

Committed 07 Jul 2026 07:05AM UTC coverage: 90.138% (-0.3%) from 90.477%

Build # 28848089351

Build Type

push

github

Committed by

Hyshmily

Commit Message

refactor and test: refactor Lz4CacheCompressor and fix the test

Signed-off-by: Hyshmily <cxm8607@outlook.com>

Coverage Stats

1315 of 1527 branches covered (86.12%)

Branch coverage included in aggregate %.

17 of 18 new or added lines in 1 file covered. (94.44%)

19 existing lines in 1 file now uncovered.

3721 of 4060 relevant lines covered (91.65%)

4.23 hits per line

Source File
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0.0

/common/src/main/java/io/github/hyshmily/hotkey/cache/codec/DefaultWeigher.java

/*
 * Copyright 2026 Hyshmily. 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 io.github.hyshmily.hotkey.cache.codec;

import static org.apache.lucene.util.RamUsageEstimator.NUM_BYTES_OBJECT_REF;
import static org.apache.lucene.util.RamUsageEstimator.shallowSizeOf;

import com.github.benmanes.caffeine.cache.Weigher;
import io.github.hyshmily.hotkey.cache.annotationsupporter.NullValue;
import io.github.hyshmily.hotkey.model.CacheEntry;
import java.util.Collection;
import java.util.Map;
import org.jspecify.annotations.NonNull;

/**
 * Heap-weight estimator for {@link CacheEntry} values backed by Lucene's {@link
 * org.apache.lucene.util.RamUsageEstimator}.
 *
 * <p>Used when {@code hotkey.local.cache.max-weight} is set. Delegates object header / field /
 * alignment calculations to Lucene's {@code RamUsageEstimator} (which auto-detects compressed
 * OOPs, object alignment, and JVM pointer sizes), then adds conservative estimates for
 * variable-length data and Caffeine internal metadata.
 */
@SuppressWarnings("all")
public enum DefaultWeigher implements Weigher<String, Object> {
  INSTANCE;

  private static final int ENTRY_OVERHEAD = 512;
  private static final int COLLECTION_ELEMENT_WEIGHT = 200;
  private static final int MAP_ENTRY_WEIGHT = 350;

  @Override
  public int weigh(@NonNull String key, @NonNull Object value) {
    long keyWeight = shallowSizeOf(key) + ((long) key.length() << 1);
    long total = keyWeight + valueOf(value) + ENTRY_OVERHEAD;
    return (int) Math.min(total, Integer.MAX_VALUE);
  }

  private static long valueOf(Object v) {
    if (v instanceof CacheEntry ce) {
      return shallowSizeOf(ce) + valueOf(ce.getValue());
    }
    if (v instanceof NullValue) {
      return shallowSizeOf(v);
    }
    if (v instanceof String s) {
      return shallowSizeOf(s) + ((long) s.length() << 1);
    }
    if (v instanceof byte[] b) {
      return shallowSizeOf(b);
    }
    if (v instanceof Collection<?> c) {
      return shallowSizeOf(c) + (long) Math.max(1, c.size()) * COLLECTION_ELEMENT_WEIGHT;
    }
    if (v instanceof Map<?, ?> m) {
      return shallowSizeOf(m) + (long) Math.max(1, m.size()) * MAP_ENTRY_WEIGHT;
    }
    if (v instanceof Object[] a) {
      return shallowSizeOf(a) + (long) a.length * NUM_BYTES_OBJECT_REF;
    }
    return shallowSizeOf(v) + 1024;
  }
}

1	/*
2	* Copyright 2026 Hyshmily. 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 io.github.hyshmily.hotkey.cache.codec;
17
18	import static org.apache.lucene.util.RamUsageEstimator.NUM_BYTES_OBJECT_REF;
19	import static org.apache.lucene.util.RamUsageEstimator.shallowSizeOf;
20
21	import com.github.benmanes.caffeine.cache.Weigher;
22	import io.github.hyshmily.hotkey.cache.annotationsupporter.NullValue;
23	import io.github.hyshmily.hotkey.model.CacheEntry;
24	import java.util.Collection;
25	import java.util.Map;
26	import org.jspecify.annotations.NonNull;
27
28	/**
29	* Heap-weight estimator for {@link CacheEntry} values backed by Lucene's {@link
30	* org.apache.lucene.util.RamUsageEstimator}.
31	*
32	* <p>Used when {@code hotkey.local.cache.max-weight} is set. Delegates object header / field /
33	* alignment calculations to Lucene's {@code RamUsageEstimator} (which auto-detects compressed
34	* OOPs, object alignment, and JVM pointer sizes), then adds conservative estimates for
35	* variable-length data and Caffeine internal metadata.
36	*/
UNCOV 37	@SuppressWarnings("all")	×
38	public enum DefaultWeigher implements Weigher<String, Object> {
UNCOV 39	INSTANCE;	×
40
41	private static final int ENTRY_OVERHEAD = 512;
42	private static final int COLLECTION_ELEMENT_WEIGHT = 200;
43	private static final int MAP_ENTRY_WEIGHT = 350;
44
45	@Override
46	public int weigh(@NonNull String key, @NonNull Object value) {
UNCOV 47	long keyWeight = shallowSizeOf(key) + ((long) key.length() << 1);	×
UNCOV 48	long total = keyWeight + valueOf(value) + ENTRY_OVERHEAD;	×
UNCOV 49	return (int) Math.min(total, Integer.MAX_VALUE);	×
50	}
51
52	private static long valueOf(Object v) {
53	if (v instanceof CacheEntry ce) {	×
UNCOV 54	return shallowSizeOf(ce) + valueOf(ce.getValue());	×
55	}
UNCOV 56	if (v instanceof NullValue) {	×
UNCOV 57	return shallowSizeOf(v);	×
58	}
UNCOV 59	if (v instanceof String s) {	×
UNCOV 60	return shallowSizeOf(s) + ((long) s.length() << 1);	×
61	}
UNCOV 62	if (v instanceof byte[] b) {	×
UNCOV 63	return shallowSizeOf(b);	×
64	}
UNCOV 65	if (v instanceof Collection<?> c) {	×
UNCOV 66	return shallowSizeOf(c) + (long) Math.max(1, c.size()) * COLLECTION_ELEMENT_WEIGHT;	×
67	}
UNCOV 68	if (v instanceof Map<?, ?> m) {	×
UNCOV 69	return shallowSizeOf(m) + (long) Math.max(1, m.size()) * MAP_ENTRY_WEIGHT;	×
70	}
UNCOV 71	if (v instanceof Object[] a) {	×
UNCOV 72	return shallowSizeOf(a) + (long) a.length * NUM_BYTES_OBJECT_REF;	×
73	}
UNCOV 74	return shallowSizeOf(v) + 1024;	×
75	}
76	}

Hyshmily / hotkey / 28848089351

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