Merge PR #384: Update ibm-mq-metrics module to follow style guide

Author: trask

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/WmqContext.java

@@ -17,7 +17,7 @@
  * authorization.<br>
  * It also validates the arguments passed for various scenarios.
  */
-public class WmqContext {
+public final class WmqContext {
   private static final String TRANSPORT_TYPE_CLIENT = "Client";
   private static final String TRANSPORT_TYPE_BINDINGS = "Bindings";
 

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/WmqMonitor.java

@@ -43,7 +43,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class WmqMonitor {
+public final class WmqMonitor {
 
   private static final Logger logger = LoggerFactory.getLogger(WmqMonitor.class);
 

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/config/ExcludeFilters.java

@@ -12,7 +12,7 @@
 import java.util.Set;
 
 /** A jackson databind class used for config. */
-public class ExcludeFilters {
+public final class ExcludeFilters {
 
   private String type = "UNKNOWN";
   private Set<String> values = new HashSet<>();

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/config/QueueManager.java

@@ -10,7 +10,7 @@
 
 /** This is a jackson databind class used purely for config. */
 @JsonIgnoreProperties(ignoreUnknown = true)
-public class QueueManager {
+public final class QueueManager {
 
   @Nullable private String host;
   private int port = -1;

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/config/ResourceFilters.java

@@ -8,7 +8,7 @@
 import java.util.HashSet;
 import java.util.Set;
 
-public class ResourceFilters {
+public final class ResourceFilters {
 
   private Set<String> include = new HashSet<>();
   private Set<ExcludeFilters> exclude = new HashSet<>();

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/metricscollector/MessageBuddy.java

@@ -12,7 +12,7 @@
 import com.ibm.mq.headers.pcf.PCFMessage;
 import java.time.Instant;
 
-public class MessageBuddy {
+public final class MessageBuddy {
 
   private MessageBuddy() {}
 

ibm-mq-metrics/src/main/java/io/opentelemetry/ibm/mq/util/WmqUtil.java

@@ -16,7 +16,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class WmqUtil {
+public final class WmqUtil {
 
   private static final Logger logger = LoggerFactory.getLogger(WmqUtil.class);
 

ibm-mq-metrics/src/test/java/io/opentelemetry/ibm/mq/metricscollector/MetricAssert.java

@@ -5,9 +5,10 @@
 
 package io.opentelemetry.ibm.mq.metricscollector;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import io.opentelemetry.sdk.metrics.data.LongPointData;
 import io.opentelemetry.sdk.metrics.data.MetricData;
-import org.assertj.core.api.Assertions;
 
 public class MetricAssert {
 
@@ -24,12 +25,12 @@ static MetricAssert assertThatMetric(MetricData metric, int pointOffset) {
   }
 
   MetricAssert hasName(String name) {
-    Assertions.assertThat(metric.getName()).isEqualTo(name);
+    assertThat(metric.getName()).isEqualTo(name);
     return this;
   }
 
   MetricAssert hasValue(long value) {
-    Assertions.assertThat(
+    assertThat(
             ((LongPointData) metric.getLongGaugeData().getPoints().toArray()[this.pointOffset])
                 .getValue())
         .isEqualTo(value);