fix: restore CI on Java 11

Author: dkropachev

core/src/main/java/com/datastax/dse/driver/internal/core/graph/GraphSON2SerdeTP.java

@@ -403,7 +403,7 @@ static final class ObjectGraphNodeGraphSON2Serializer extends StdSerializer<Obje
 
       private static final long serialVersionUID = 1L;
 
-      protected ObjectGraphNodeGraphSON2Serializer() {
+      ObjectGraphNodeGraphSON2Serializer() {
         super(ObjectGraphNode.class);
       }
 

core/src/main/java/com/datastax/dse/driver/internal/core/insights/InsightsClient.java

@@ -64,7 +64,6 @@
 import java.nio.ByteBuffer;
 import java.time.Duration;
 import java.util.Collections;
-import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -114,7 +113,7 @@ public static InsightsClient createInsightsClient(
     DataCentersFinder dataCentersFinder = new DataCentersFinder();
     return new InsightsClient(
         driverContext,
-        () -> new Date().getTime(),
+        System::currentTimeMillis,
         insightsConfiguration,
         new PlatformInfoFinder(),
         new ReconnectionPolicyInfoFinder(),

core/src/main/java/com/datastax/dse/driver/internal/core/insights/PackageUtil.java

@@ -18,18 +18,13 @@
 package com.datastax.dse.driver.internal.core.insights;
 
 import com.datastax.oss.driver.shaded.guava.common.annotations.VisibleForTesting;
-import com.datastax.oss.driver.shaded.guava.common.base.Joiner;
-import java.util.Arrays;
-import java.util.regex.Pattern;
 
 class PackageUtil {
   static final String DEFAULT_SPECULATIVE_EXECUTION_PACKAGE =
       "com.datastax.oss.driver.internal.core.specex";
   static final String DEFAULT_LOAD_BALANCING_PACKAGE =
       "com.datastax.oss.driver.internal.core.loadbalancing";
   static final String DEFAULT_AUTH_PROVIDER_PACKAGE = "com.datastax.oss.driver.internal.core.auth";
-  private static final Pattern PACKAGE_SPLIT_REGEX = Pattern.compile("\\.");
-  private static final Joiner DOT_JOINER = Joiner.on(".");
 
   static String getNamespace(Class<?> tClass) {
     String namespace = "";
@@ -61,18 +56,14 @@ private static ClassSettingDetails getClassSettingDetails(
 
   @VisibleForTesting
   static String getClassName(String classSetting) {
-    String[] split = PACKAGE_SPLIT_REGEX.split(classSetting);
-    if (split.length == 0) {
-      return "";
-    }
-    return split[split.length - 1];
+    int lastDot = classSetting.lastIndexOf('.');
+    return lastDot < 0 ? classSetting : classSetting.substring(lastDot + 1);
   }
 
   @VisibleForTesting
   static String getFullPackageOrDefault(String classSetting, String defaultValue) {
-    String[] split = PACKAGE_SPLIT_REGEX.split(classSetting);
-    if (split.length <= 1) return defaultValue;
-    return DOT_JOINER.join(Arrays.copyOf(split, split.length - 1));
+    int lastDot = classSetting.lastIndexOf('.');
+    return lastDot < 0 ? defaultValue : classSetting.substring(0, lastDot);
   }
 
   static class ClassSettingDetails {

core/src/main/java/com/datastax/dse/driver/internal/core/insights/PlatformInfoFinder.java

@@ -24,6 +24,7 @@
 import com.datastax.dse.driver.internal.core.insights.schema.InsightsPlatformInfo.CPUS;
 import com.datastax.oss.driver.internal.core.os.Native;
 import com.datastax.oss.driver.shaded.guava.common.annotations.VisibleForTesting;
+import com.datastax.oss.driver.shaded.guava.common.base.Splitter;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -37,11 +38,10 @@
 import java.util.Objects;
 import java.util.Properties;
 import java.util.function.Function;
-import java.util.regex.Pattern;
 
 class PlatformInfoFinder {
   private static final String MAVEN_IGNORE_LINE = "The following files have been resolved:";
-  private static final Pattern DEPENDENCY_SPLIT_REGEX = Pattern.compile(":");
+  private static final Splitter DEPENDENCY_SPLITTER = Splitter.on(':');
   static final String UNVERIFIED_RUNTIME_VERSION = "UNVERIFIED";
   private final Function<DependencyFromFile, URL> propertiesUrlProvider;
 
@@ -197,11 +197,13 @@ private List<DependencyFromFile> extractMavenDependenciesFromFile(InputStream in
   }
 
   private DependencyFromFile extractDependencyFromLine(String line) {
-    String[] split = DEPENDENCY_SPLIT_REGEX.split(line);
-    if (split.length == 6) { // case for i.e.: com.github.jnr:jffi:jar:native:1.2.16:compile
-      return new DependencyFromFile(split[0], split[1], split[4], checkIsOptional(split[5]));
+    List<String> split = DEPENDENCY_SPLITTER.splitToList(line);
+    if (split.size() == 6) { // case for i.e.: com.github.jnr:jffi:jar:native:1.2.16:compile
+      return new DependencyFromFile(
+          split.get(0), split.get(1), split.get(4), checkIsOptional(split.get(5)));
     } else { // case for normal: org.ow2.asm:asm:jar:5.0.3:compile
-      return new DependencyFromFile(split[0], split[1], split[3], checkIsOptional(split[4]));
+      return new DependencyFromFile(
+          split.get(0), split.get(1), split.get(3), checkIsOptional(split.get(4)));
     }
   }
 

core/src/main/java/com/datastax/dse/driver/internal/core/insights/schema/InsightMetadata.java

@@ -68,7 +68,7 @@ public boolean equals(Object o) {
     }
     InsightMetadata that = (InsightMetadata) o;
     return Objects.equals(name, that.name)
-        && Objects.equals(timestamp, that.timestamp)
+        && timestamp == that.timestamp
         && Objects.equals(tags, that.tags)
         && insightType == that.insightType
         && Objects.equals(insightMappingId, that.insightMappingId);

core/src/main/java/com/datastax/dse/driver/internal/core/metadata/schema/DefaultDseAggregateMetadata.java

@@ -64,7 +64,6 @@ public boolean isDeterministic() {
   }
 
   @Override
-  @Nullable
   public Optional<Boolean> getDeterministic() {
     return Optional.ofNullable(deterministic);
   }

core/src/main/java/com/datastax/oss/driver/api/core/data/CqlVector.java

@@ -80,7 +80,7 @@ public static <V> CqlVector<V> newInstance(List<V> list) {
    * Create a new CqlVector instance from the specified string representation.
    *
    * @param str a String representation of a CqlVector
-   * @param subtypeCodec
+   * @param subtypeCodec the codec used to parse individual vector elements
    * @return a new CqlVector built from the String representation
    */
   public static <V> CqlVector<V> from(@NonNull String str, @NonNull TypeCodec<V> subtypeCodec) {

core/src/main/java/com/datastax/oss/driver/api/core/metadata/token/Partitioner.java

@@ -18,7 +18,7 @@
 
 import java.nio.ByteBuffer;
 
-/** Allows to hash partition key to a @code{Token}. */
+/** Allows to hash partition key to a {@code Token}. */
 public interface Partitioner {
   Token hash(ByteBuffer partitionKey);
 }

core/src/main/java/com/datastax/oss/driver/api/core/retry/RetryVerdict.java

@@ -27,6 +27,7 @@
  * where, and a method that allows the original request to be modified before the retry.
  */
 @FunctionalInterface
+@SuppressWarnings("ClassInitializationDeadlock")
 public interface RetryVerdict {
 
   /** A retry verdict that retries the same request on the same node. */

core/src/main/java/com/datastax/oss/driver/api/core/type/codec/registry/CodecRegistry.java

@@ -57,6 +57,7 @@ public interface CodecRegistry {
    * but any attempt to {@linkplain MutableCodecRegistry#register(TypeCodec) register new codecs}
    * will throw {@link UnsupportedOperationException}.
    */
+  @SuppressWarnings("ClassInitializationDeadlock")
   CodecRegistry DEFAULT =
       new DefaultCodecRegistry("default") {
         @Override