Enh 37233934 - Add metrics for ViewMBean (main -> ce-main @112700)

[git-p4: depot-paths = "//dev/coherence-ce/main/": change = 112710]

Author: lsho

prj/coherence-core/src/main/java/com/tangosol/net/management/ViewMBean.java

@@ -1,18 +1,24 @@
 /*
- * Copyright (c) 2022, Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2024 Oracle and/or its affiliates.
  *
  * Licensed under the Universal Permissive License v 1.0 as shown at
- * http://oss.oracle.com/licenses/upl.
+ * https://oss.oracle.com/licenses/upl.
  */
 
 package com.tangosol.net.management;
 
 import com.tangosol.net.NamedCache;
+
 import com.tangosol.net.management.annotation.Description;
+import com.tangosol.net.management.annotation.MetricsScope;
+import com.tangosol.net.management.annotation.MetricsValue;
+
+import com.tangosol.net.metrics.MBeanMetric;
 
 import com.tangosol.util.Filter;
 import com.tangosol.util.ValueExtractor;
 
+@MetricsScope(MBeanMetric.Scope.VENDOR)
 @Description("Provides View Cache statistics.")
 public interface ViewMBean
     {
@@ -87,6 +93,7 @@ public interface ViewMBean
      *
      * @return the number of key-value mappings in this cache
      */
-    @Description("The number of entries in the cache.")
+    @Description("The number of entries in the view cache.")
+    @MetricsValue
     long getSize();
     }

prj/test/functional/metrics/src/main/java/metrics/SimpleMetricsTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2023, Oracle and/or its affiliates.
+ * Copyright (c) 2000, 2024, Oracle and/or its affiliates.
  *
  * Licensed under the Universal Permissive License v 1.0 as shown at
  * https://oss.oracle.com/licenses/upl.
@@ -11,9 +11,14 @@
 
 import com.tangosol.internal.net.metrics.MetricsHttpHelper;
 
+import com.tangosol.net.NamedCache;
+
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+import org.junit.Test;
 
+import java.util.LinkedHashMap;
+import java.util.Map;
 import java.util.Properties;
 
 import static com.oracle.bedrock.deferred.DeferredHelper.invoking;
@@ -40,8 +45,8 @@ public static void startup()
         {
         Properties props = setupProperties();
 
-        CoherenceClusterMember clusterMember = startCacheServer("SimpleMetricsTests", "metrics", FILE_SERVER_CFG_CACHE, props);
-        Eventually.assertThat(invoking(clusterMember).isServiceRunning(MetricsHttpHelper.getServiceName()), is(true));
+        m_clusterMember = startCacheServer("SimpleMetricsTests", "metrics", FILE_SERVER_CFG_CACHE, props);
+        Eventually.assertThat(invoking(m_clusterMember).isServiceRunning(MetricsHttpHelper.getServiceName()), is(true));
         }
 
     /**
@@ -52,4 +57,29 @@ public static void shutdown()
         {
         stopCacheServer("SimpleMetricsTests");
         }
+
+    @Test
+    public void testViewCache()
+            throws Exception
+        {
+        if (m_clusterMember == null)    // no metrics server, return
+            {
+            return;
+            }
+
+        NamedCache cache = m_clusterMember.getCache("view-cache");
+
+        cache.put(1, "hello");
+        cache.put(2, "world");
+        cache.put(3, "bye");
+
+        Map<String, String> tags = new LinkedHashMap<>();
+        tags.put("name", "view-cache");
+        Eventually.assertThat(invoking(this).getCacheMetric(s_nMetricsHttpPort, "Coherence.View.Size", tags), is(3L));
+        cache.destroy();
+        }
+
+    // ----- member variables -----------------------------------------------
+
+    private static CoherenceClusterMember m_clusterMember;
     }

prj/test/functional/metrics/src/main/resources/server-cache-config-metrics.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <!--
-  Copyright (c) 2000, 2022, Oracle and/or its affiliates.
+  Copyright (c) 2000, 2024, Oracle and/or its affiliates.
 
   Licensed under the Universal Permissive License v 1.0 as shown at
   https://oss.oracle.com/licenses/upl.
@@ -34,6 +34,10 @@
       <cache-name>write-through-*</cache-name>
       <scheme-name>write-through</scheme-name>
     </cache-mapping>
+    <cache-mapping>
+      <cache-name>view-*</cache-name>
+      <scheme-name>view-scheme</scheme-name>
+    </cache-mapping>
   </caching-scheme-mapping>
 
   <caching-schemes>
@@ -148,6 +152,11 @@
       <autostart system-property="test.persistence.enabled">true</autostart>
     </distributed-scheme>
 
+    <view-scheme>
+      <scheme-name>view-scheme</scheme-name>
+      <autostart>true</autostart>
+    </view-scheme>
+
     <proxy-scheme>
       <service-name>ExtendTcpProxyService</service-name>
       <acceptor-config>