Replace Objects.hash with HashingUtils in DBInfo (#10783)

Replace Objects.hash with HashingUtils in DBInfo

Co-authored-by: dougqh <dougqh@gmail.com>

A bit of code clean-up

Merge branch 'master' into dd/B0WDkGA2EkHe

Co-authored-by: datadog-prod-us1-5[bot] <266081015+datadog-prod-us1-5[bot]@users.noreply.github.com>
Co-authored-by: devflow.devflow-routing-intake <devflow.devflow-routing-intake@kubernetes.us1.ddbuild.io>

Author: 3 people

dd-java-agent/agent-bootstrap/src/main/java/datadog/trace/bootstrap/instrumentation/jdbc/DBInfo.java

@@ -1,5 +1,6 @@
 package datadog.trace.bootstrap.instrumentation.jdbc;
 
+import datadog.trace.util.HashingUtils;
 import java.util.Objects;
 
 public final class DBInfo {
@@ -256,17 +257,18 @@ public boolean equals(Object o) {
 
   @Override
   public int hashCode() {
-    return Objects.hash(
-        type,
-        subtype,
-        fullPropagationSupport,
-        url,
-        user,
-        instance,
-        db,
-        host,
-        port,
-        warehouse,
-        schema);
+    int hash = 0;
+    hash = HashingUtils.addToHash(hash, type);
+    hash = HashingUtils.addToHash(hash, subtype);
+    hash = HashingUtils.addToHash(hash, fullPropagationSupport);
+    hash = HashingUtils.addToHash(hash, url);
+    hash = HashingUtils.addToHash(hash, user);
+    hash = HashingUtils.addToHash(hash, instance);
+    hash = HashingUtils.addToHash(hash, db);
+    hash = HashingUtils.addToHash(hash, host);
+    hash = HashingUtils.addToHash(hash, port);
+    hash = HashingUtils.addToHash(hash, warehouse);
+    hash = HashingUtils.addToHash(hash, schema);
+    return hash;
   }
 }