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From GitBox <...@apache.org>
Subject [GitHub] [ignite] daradurvs commented on a change in pull request #6845: IGNITE-12145: Monitoring list engine.
Date Mon, 09 Sep 2019 20:44:28 GMT
daradurvs commented on a change in pull request #6845: IGNITE-12145: Monitoring list engine.
URL: https://github.com/apache/ignite/pull/6845#discussion_r322421307
 
 

 ##########
 File path: modules/core/src/main/java/org/apache/ignite/spi/metric/jmx/MonitoringListMBean.java
 ##########
 @@ -0,0 +1,301 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.spi.metric.jmx;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.net.InetSocketAddress;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import javax.management.MBeanInfo;
+import javax.management.ObjectName;
+import javax.management.openmbean.CompositeDataSupport;
+import javax.management.openmbean.CompositeType;
+import javax.management.openmbean.OpenDataException;
+import javax.management.openmbean.OpenMBeanAttributeInfo;
+import javax.management.openmbean.OpenMBeanAttributeInfoSupport;
+import javax.management.openmbean.OpenMBeanInfoSupport;
+import javax.management.openmbean.OpenType;
+import javax.management.openmbean.SimpleType;
+import javax.management.openmbean.TabularDataSupport;
+import javax.management.openmbean.TabularType;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.internal.processors.metric.GridMetricManager;
+import org.apache.ignite.spi.metric.list.MonitoringList;
+import org.apache.ignite.spi.metric.list.MonitoringRow;
+import org.apache.ignite.lang.IgniteUuid;
+import org.apache.ignite.spi.metric.list.MonitoringRowAttributeWalker.AttributeVisitor;
+import org.apache.ignite.spi.metric.list.MonitoringRowAttributeWalker.AttributeWithValueVisitor;
+
+/**
+ * JMX bean to expose specific {@link MonitoringList} data.
+ *
+ * @see JmxMetricExporterSpi
+ * @see GridMetricManager
+ */
+public class MonitoringListMBean<Id, R extends MonitoringRow<Id>> extends ReadOnlyDynamicMBean
{
+    /** List attribute.  */
+    public static final String LIST = "list";
+
+    /** Monitoring list to export. */
+    private final MonitoringList<Id, R> mlist;
+
+    /** MBean info. */
+    private MBeanInfo info;
+
+    /** Row type */
+    private CompositeType rowType;
+
+    /** List type. */
+    private TabularType listType;
+
+    /**
+     * @param mlist Monitoring list to export.
+     */
+    public MonitoringListMBean(MonitoringList<Id, R> mlist) {
+        this.mlist = mlist;
+
+        int cnt = mlist.walker().count();
+
+        String[] fields = new String[cnt+1];
+        OpenType[] types = new OpenType[cnt+1];
+
+        mlist.walker().visitAll(new AttributeVisitor() {
+            @Override public <T> void accept(int idx, String name, Class<T> clazz)
{
+                fields[idx] = name;
+
+                if (clazz.isAssignableFrom(String.class) || clazz.isEnum() ||
+                    clazz.isAssignableFrom(IgniteUuid.class) || clazz.isAssignableFrom(UUID.class)
||
+                    clazz.isAssignableFrom(Class.class) || clazz.isAssignableFrom(InetSocketAddress.class))
+                    types[idx] = SimpleType.STRING;
+                else if (clazz.isAssignableFrom(BigDecimal.class))
+                    types[idx] = SimpleType.BIGDECIMAL;
+                else if (clazz.isAssignableFrom(BigInteger.class))
+                    types[idx] = SimpleType.BIGINTEGER;
+                else if (clazz.isAssignableFrom(Date.class))
+                    types[idx] = SimpleType.DATE;
+                else if (clazz.isAssignableFrom(ObjectName.class))
+                    types[idx] = SimpleType.OBJECTNAME;
+                else if (clazz.isAssignableFrom(Boolean.class))
+                    types[idx] = SimpleType.BOOLEAN;
+                else if (clazz.isAssignableFrom(Byte.class))
+                    types[idx] = SimpleType.BYTE;
+                else if (clazz.isAssignableFrom(Character.class))
+                    types[idx] = SimpleType.CHARACTER;
+                else if (clazz.isAssignableFrom(Short.class))
+                    types[idx] = SimpleType.SHORT;
+                else if (clazz.isAssignableFrom(Integer.class))
+                    types[idx] = SimpleType.INTEGER;
+                else if (clazz.isAssignableFrom(Long.class))
+                    types[idx] = SimpleType.LONG;
+                else if (clazz.isAssignableFrom(Float.class))
+                    types[idx] = SimpleType.FLOAT;
+                else if (clazz.isAssignableFrom(Double.class))
+                    types[idx] = SimpleType.DOUBLE;
+                else {
+                    throw new IllegalStateException(
+                        "Unsupported type [rowClass=" + mlist.rowClass().getName() + ",col="
+ name);
 
 Review comment:
   ` + ']'`

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