Alpha-level support for micrometer metrics

src/main/java/com/zaxxer/hikari/HikariConfig.java

@@ -16,10 +16,15 @@
 
 package com.zaxxer.hikari;
 
-import static com.zaxxer.hikari.util.UtilityElf.getNullIfEmpty;
-import static java.util.concurrent.TimeUnit.MINUTES;
-import static java.util.concurrent.TimeUnit.SECONDS;
+import com.codahale.metrics.health.HealthCheckRegistry;
+import com.zaxxer.hikari.metrics.MetricsTrackerFactory;
+import com.zaxxer.hikari.util.PropertyElf;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.sql.DataSource;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -33,18 +38,9 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.ThreadFactory;
 
-import javax.naming.InitialContext;
-import javax.naming.NamingException;
-import javax.sql.DataSource;
-
-import io.micrometer.core.instrument.MeterRegistry;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.codahale.metrics.MetricRegistry;
-import com.codahale.metrics.health.HealthCheckRegistry;
-import com.zaxxer.hikari.metrics.MetricsTrackerFactory;
-import com.zaxxer.hikari.util.PropertyElf;
+import static com.zaxxer.hikari.util.UtilityElf.getNullIfEmpty;
+import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
 
 @SuppressWarnings({"SameParameterValue", "unused"})
 public class HikariConfig implements HikariConfigMXBean
@@ -551,7 +547,8 @@ public class HikariConfig implements HikariConfigMXBean
       if (metricRegistry != null) {
          metricRegistry = getObjectOrPerformJndiLookup(metricRegistry);
 
-         if (!(metricRegistry instanceof MetricRegistry) && !(metricRegistry instanceof MeterRegistry)) {
+         if (!(metricRegistry.getClass().getName().contains("MetricRegistry"))
+             && !(metricRegistry.getClass().getName().contains("MeterRegistry"))) {
             throw new IllegalArgumentException("Class must be instance of com.codahale.metrics.MetricRegistry or io.micrometer.core.instrument.MeterRegistry");
          }
       }