add cachelib traces to the simulator

.github/actions/run-gradle/action.yml

@@ -47,7 +47,7 @@ runs:
         version: 'latest'
         components: 'native-image'
         github-token: ${{ inputs.token }}
-        java-version: ${{ env.JAVA_VERSION }}
+        java-version: '${{ env.JAVA_VERSION }}'
     - name: Prepare JDK ${{ inputs.java }}
       shell: bash
       run: |

examples/hibernate/src/main/java/com/github/benmanes/caffeine/examples/hibernate/Repository.java

@@ -67,7 +67,7 @@ public void updateProject(long id, String name) {
     }
   }
 
-  public void persist(Project project, User user, Skill skill) {
+  public void persist(User user, Project project, Skill skill) {
     try (var session = sessionFactory.openSession()) {
       var txn = session.beginTransaction();
       session.persist(project);

examples/hibernate/src/test/java/com/github/benmanes/caffeine/examples/hibernate/HibernateCacheTest.java

@@ -137,7 +137,7 @@ private long createData(String userName, String projectName, String skillName) {
 
     skill.setName(skillName);
 
-    repository.persist(project, user, skill);
+    repository.persist(user, project, skill);
     return project.getId();
   }
 }

gradle/dependencies.gradle

@@ -29,7 +29,7 @@ ext {
     cache2k: '2.6.1.Final',
     checkerFramework: '3.32.0',
     coherence: '22.06.2',
-    commonsCompress: '1.22',
+    commonsCompress: '1.23.0',
     commonsLang3: '3.12.0',
     commonsMath3: '3.6.1',
     commonsIo: '2.11.0',
@@ -92,7 +92,7 @@ ext {
     bnd: '6.4.0',
     checkstyle: '10.9.2',
     coveralls: '2.12.2',
-    dependencyCheck: '8.1.2',
+    dependencyCheck: '8.2.0',
     errorprone: '3.0.1',
     findsecbugs: '1.12.0',
     forbiddenApis: '3.4',

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/parser/TraceFormat.java

@@ -28,6 +28,7 @@
 import com.github.benmanes.caffeine.cache.simulator.parser.address.penalties.AddressPenaltiesTraceReader;
 import com.github.benmanes.caffeine.cache.simulator.parser.arc.ArcTraceReader;
 import com.github.benmanes.caffeine.cache.simulator.parser.cache2k.Cache2kTraceReader;
+import com.github.benmanes.caffeine.cache.simulator.parser.cachelib.CachelibTraceReader;
 import com.github.benmanes.caffeine.cache.simulator.parser.camelab.CamelabTraceReader;
 import com.github.benmanes.caffeine.cache.simulator.parser.cloud_physics.CloudPhysicsTraceReader;
 import com.github.benmanes.caffeine.cache.simulator.parser.corda.CordaTraceReader;
@@ -67,6 +68,7 @@ public enum TraceFormat {
   ADAPT_SIZE(AdaptSizeTraceReader::new),
   ARC(ArcTraceReader::new),
   CACHE2K(Cache2kTraceReader::new),
+  CACHELIB(CachelibTraceReader::new),
   CAMELAB(CamelabTraceReader::new),
   CLOUD_PHYSICS(CloudPhysicsTraceReader::new),
   CORDA(CordaTraceReader::new),

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/parser/cachelib/CachelibTraceReader.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2023 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.simulator.parser.cachelib;
+
+import static com.github.benmanes.caffeine.cache.simulator.policy.Policy.Characteristic.WEIGHTED;
+
+import java.util.Set;
+import java.util.stream.Stream;
+
+import com.github.benmanes.caffeine.cache.simulator.parser.TextTraceReader;
+import com.github.benmanes.caffeine.cache.simulator.policy.AccessEvent;
+import com.github.benmanes.caffeine.cache.simulator.policy.Policy.Characteristic;
+
+/**
+ * A reader for the trace files provided by the authors of cachelib. See
+ * <a href="https://cachelib.org/docs/Cache_Library_User_Guides/Cachebench_FB_HW_eval">traces</a>.
+ *
+ * @author [email protected] (Ben Manes)
+ */
+public final class CachelibTraceReader extends TextTraceReader {
+
+  public CachelibTraceReader(String filePath) {
+    super(filePath);
+  }
+
+  @Override
+  public Set<Characteristic> characteristics() {
+    return Set.of(WEIGHTED);
+  }
+
+  @Override
+  public Stream<AccessEvent> events() {
+    return lines().skip(1)
+        .map(line -> line.split(","))
+        .filter(array -> array[1].equals("GET"))
+        .map(array -> AccessEvent.forKeyAndWeight(
+            Long.parseLong(array[0]), Integer.parseInt(array[1])));
+  }
+}

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/parser/cachelib/package-info.java

@@ -0,0 +1,4 @@
+@CheckReturnValue
+package com.github.benmanes.caffeine.cache.simulator.parser.cachelib;
+
+import com.google.errorprone.annotations.CheckReturnValue;

simulator/src/main/resources/reference.conf

@@ -484,6 +484,7 @@ caffeine.simulator {
     # address: format of UCSD program address traces
     # address-penalties: format of UCSD program address traces with hit & miss penalties
     # cache2k: format from the author of the Cache2k library
+    # cachelib: format from the author of the Cachelib library
     # camelab: format of the Camelab storage traces
     # cloud-physics: format of the Cloud Physics traces
     # corda: format of Corda traces