Make APIMBeanServer simply wrap actual mbeanserver
This commit is contained in:
elcallio
Calle Wilund
parent
781821ac9e
commit
4b83a9388e
@ -3,6 +3,8 @@ package com.scylladb.jmx.utils;
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* Copyright 2016 ScyllaDB
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*/
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import static com.scylladb.jmx.main.Main.client;
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/*
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* This file is part of Scylla.
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*
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@ -21,21 +23,13 @@ package com.scylladb.jmx.utils;
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*/
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import javax.management.MBeanServer;
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import javax.management.MBeanServerBuilder;
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import javax.management.MBeanServerDelegate;
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import mx4j.server.ChainedMBeanServerBuilder;
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public class APIBuilder extends ChainedMBeanServerBuilder {
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public APIBuilder() {
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super(new mx4j.server.MX4JMBeanServerBuilder());
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}
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public MBeanServer newMBeanServer(String defaultDomain, MBeanServer outer,
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MBeanServerDelegate delegate) {
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APIMBeanServer extern = new APIMBeanServer();
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MBeanServer nested = getMBeanServerBuilder().newMBeanServer(
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defaultDomain, outer == null ? extern : outer, delegate);
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extern.setMBeanServer(nested);
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return extern;
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public class APIBuilder extends MBeanServerBuilder {
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@Override
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public MBeanServer newMBeanServer(String defaultDomain, MBeanServer outer, MBeanServerDelegate delegate) {
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MBeanServer nested = super.newMBeanServer(defaultDomain, outer, delegate);
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return new APIMBeanServer(client, nested);
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}
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}
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@ -1,132 +1,290 @@
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package com.scylladb.jmx.utils;
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/**
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* Copyright 2016 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.HashSet;
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import java.util.Hashtable;
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import java.util.Iterator;
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import java.util.Map;
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import java.io.ObjectInputStream;
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import java.net.UnknownHostException;
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import java.util.Set;
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import java.util.logging.Logger;
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import java.util.regex.Pattern;
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import javax.management.Attribute;
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import javax.management.AttributeList;
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import javax.management.AttributeNotFoundException;
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import javax.management.InstanceAlreadyExistsException;
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import javax.management.InstanceNotFoundException;
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import javax.management.IntrospectionException;
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import javax.management.InvalidAttributeValueException;
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import javax.management.ListenerNotFoundException;
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import javax.management.MBeanException;
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import javax.management.MBeanInfo;
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import javax.management.MBeanRegistrationException;
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import javax.management.MBeanServer;
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import javax.management.MalformedObjectNameException;
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import javax.management.NotCompliantMBeanException;
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import javax.management.NotificationFilter;
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import javax.management.NotificationListener;
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import javax.management.ObjectInstance;
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import javax.management.ObjectName;
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import javax.management.OperationsException;
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import javax.management.QueryExp;
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import javax.management.ReflectionException;
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import javax.management.loading.ClassLoaderRepository;
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import org.apache.cassandra.db.ColumnFamilyStore;
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import org.apache.cassandra.metrics.StreamingMetrics;
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import mx4j.server.ChainedMBeanServer;
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import mx4j.server.MX4JMBeanServer;
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import mx4j.util.Utils;
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import com.scylladb.jmx.api.APIClient;
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public class APIMBeanServer extends ChainedMBeanServer {
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private static final java.util.logging.Logger logger = java.util.logging.Logger
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.getLogger(APIMBeanServer.class.getName());
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public class APIMBeanServer implements MBeanServer {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(APIMBeanServer.class.getName());
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public static void log(String str) {
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logger.finest(str);
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private final APIClient client;
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private final MBeanServer server;
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public APIMBeanServer(APIClient client, MBeanServer server) {
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this.client = client;
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this.server = server;
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}
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public void setMBeanServer(MBeanServer server) {
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if (server != null) {
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try {
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Field f = server.getClass().getDeclaredField("introspector");
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f.setAccessible(true);
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f.set(server, new APIMBeanIntrospector());
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} catch (Exception e) {
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logger.warning(
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"Failed setting new interceptor" + e.getMessage());
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}
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}
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super.setMBeanServer(server);
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@Override
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public ObjectInstance createMBean(String className, ObjectName name) throws ReflectionException,
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InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException {
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return server.createMBean(className, name);
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}
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public ObjectName apiNormalizeObjectName(ObjectName name) {
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try {
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Class[] cArg = new Class[1];
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cArg[0] = ObjectName.class;
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Method met = MX4JMBeanServer.class
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.getDeclaredMethod("normalizeObjectName", cArg);
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met.setAccessible(true);
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return (ObjectName) met.invoke((MX4JMBeanServer) getMBeanServer(),
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name);
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} catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
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// TODO Auto-generated catch block
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return null;
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@Override
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public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName)
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throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException,
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NotCompliantMBeanException, InstanceNotFoundException {
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return server.createMBean(className, name, loaderName);
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}
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@Override
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public ObjectInstance createMBean(String className, ObjectName name, Object[] params, String[] signature)
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throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException,
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NotCompliantMBeanException {
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return server.createMBean(className, name, params, signature);
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}
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@Override
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public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params,
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String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException,
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MBeanException, NotCompliantMBeanException, InstanceNotFoundException {
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return server.createMBean(className, name, loaderName, params, signature);
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}
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@Override
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public ObjectInstance registerMBean(Object object, ObjectName name)
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throws InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException {
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return server.registerMBean(object, name);
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}
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@Override
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public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException {
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server.unregisterMBean(name);
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}
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@Override
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public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException {
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checkRegistrations(name);
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return server.getObjectInstance(name);
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}
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@Override
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public Set<ObjectName> queryNames(ObjectName name, QueryExp query) {
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if (name == null) {
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return super.queryNames(name, query);
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checkRegistrations(name);
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return server.queryNames(name, query);
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}
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if (name.getCanonicalKeyPropertyListString()
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.contains("ColumnFamilies")) {
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ColumnFamilyStore.checkRegistration();
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} else if (name.getCanonicalKeyPropertyListString()
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.contains("Stream")) {
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StreamingMetrics.checkRegistration();
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@Override
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public Set<ObjectInstance> queryMBeans(ObjectName name, QueryExp query) {
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checkRegistrations(name);
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return server.queryMBeans(name, query);
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}
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ObjectName no = apiNormalizeObjectName(name);
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Hashtable patternProps = no.getKeyPropertyList();
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boolean paternFound = false;
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for (Iterator j = patternProps.entrySet().iterator(); j.hasNext();) {
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Map.Entry entry = (Map.Entry) j.next();
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String patternValue = (String) entry.getValue();
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if (patternValue.contains("*")) {
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paternFound = true;
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break;
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@Override
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public boolean isRegistered(ObjectName name) {
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checkRegistrations(name);
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return server.isRegistered(name);
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}
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@Override
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public Integer getMBeanCount() {
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return server.getMBeanCount();
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}
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if (paternFound) {
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Set<ObjectName> res = new HashSet<ObjectName>();
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for (ObjectName q : (Set<ObjectName>) super.queryNames(null,query)) {
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if (Utils.wildcardMatch(name.getDomain(), q.getDomain())) {
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Hashtable props = q.getKeyPropertyList();
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boolean found = true;
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for (Iterator j = patternProps.entrySet().iterator(); j
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.hasNext();) {
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Map.Entry entry = (Map.Entry) j.next();
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String patternKey = (String) entry.getKey();
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String patternValue = (String) entry.getValue();
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if (props.containsKey(patternKey)) {
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if (!Utils.wildcardMatch(patternValue,
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props.get(patternKey).toString())) {
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found = false;
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break;
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@Override
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public Object getAttribute(ObjectName name, String attribute)
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throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException {
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checkRegistrations(name);
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return server.getAttribute(name, attribute);
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}
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} else {
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found = false;
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break;
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@Override
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public AttributeList getAttributes(ObjectName name, String[] attributes)
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throws InstanceNotFoundException, ReflectionException {
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checkRegistrations(name);
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return server.getAttributes(name, attributes);
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}
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@Override
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public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException,
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AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {
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checkRegistrations(name);
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server.setAttribute(name, attribute);
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}
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if (found) {
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res.add(q);
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@Override
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public AttributeList setAttributes(ObjectName name, AttributeList attributes)
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throws InstanceNotFoundException, ReflectionException {
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checkRegistrations(name);
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return server.setAttributes(name, attributes);
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}
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@Override
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public Object invoke(ObjectName name, String operationName, Object[] params, String[] signature)
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throws InstanceNotFoundException, MBeanException, ReflectionException {
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checkRegistrations(name);
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return server.invoke(name, operationName, params, signature);
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}
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@Override
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public String getDefaultDomain() {
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return server.getDefaultDomain();
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}
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return res;
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@Override
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public String[] getDomains() {
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return server.getDomains();
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}
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return super.queryNames(name, query);
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@Override
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public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter,
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Object handback) throws InstanceNotFoundException {
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server.addNotificationListener(name, listener, filter, handback);
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}
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@Override
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public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter,
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Object handback) throws InstanceNotFoundException {
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server.addNotificationListener(name, listener, filter, handback);
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}
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@Override
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public void removeNotificationListener(ObjectName name, ObjectName listener)
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throws InstanceNotFoundException, ListenerNotFoundException {
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server.removeNotificationListener(name, listener);
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}
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@Override
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public void removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter,
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Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
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server.removeNotificationListener(name, listener, filter, handback);
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}
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@Override
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public void removeNotificationListener(ObjectName name, NotificationListener listener)
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throws InstanceNotFoundException, ListenerNotFoundException {
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server.removeNotificationListener(name, listener);
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}
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@Override
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public void removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter,
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Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
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server.removeNotificationListener(name, listener, filter, handback);
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}
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@Override
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public MBeanInfo getMBeanInfo(ObjectName name)
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throws InstanceNotFoundException, IntrospectionException, ReflectionException {
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checkRegistrations(name);
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return server.getMBeanInfo(name);
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}
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@Override
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public boolean isInstanceOf(ObjectName name, String className) throws InstanceNotFoundException {
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return server.isInstanceOf(name, className);
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}
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@Override
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public Object instantiate(String className) throws ReflectionException, MBeanException {
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return server.instantiate(className);
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}
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@Override
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public Object instantiate(String className, ObjectName loaderName)
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throws ReflectionException, MBeanException, InstanceNotFoundException {
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return server.instantiate(className, loaderName);
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}
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@Override
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public Object instantiate(String className, Object[] params, String[] signature)
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throws ReflectionException, MBeanException {
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return server.instantiate(className, params, signature);
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}
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@Override
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public Object instantiate(String className, ObjectName loaderName, Object[] params, String[] signature)
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throws ReflectionException, MBeanException, InstanceNotFoundException {
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return server.instantiate(className, loaderName, params, signature);
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}
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@Override
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@Deprecated
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public ObjectInputStream deserialize(ObjectName name, byte[] data)
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throws InstanceNotFoundException, OperationsException {
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return server.deserialize(name, data);
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}
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@Override
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@Deprecated
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public ObjectInputStream deserialize(String className, byte[] data)
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throws OperationsException, ReflectionException {
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return server.deserialize(className, data);
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}
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@Override
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@Deprecated
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public ObjectInputStream deserialize(String className, ObjectName loaderName, byte[] data)
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throws InstanceNotFoundException, OperationsException, ReflectionException {
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return server.deserialize(className, loaderName, data);
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}
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@Override
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public ClassLoader getClassLoaderFor(ObjectName mbeanName) throws InstanceNotFoundException {
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return server.getClassLoaderFor(mbeanName);
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}
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@Override
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public ClassLoader getClassLoader(ObjectName loaderName) throws InstanceNotFoundException {
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return server.getClassLoader(loaderName);
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}
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@Override
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public ClassLoaderRepository getClassLoaderRepository() {
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return server.getClassLoaderRepository();
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}
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static final Pattern tables = Pattern.compile("^(ColumnFamil(ies|y)|(Index)?Tables?)$");
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private boolean checkRegistrations(ObjectName name) {
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if (name != null && server.isRegistered(name)) {
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return false;
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}
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boolean result = false;
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try {
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String type = name != null ? name.getKeyProperty("type") : null;
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if (type == null || tables.matcher(type).matches()) {
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result |= ColumnFamilyStore.checkRegistration(client, server);
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}
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if (type == null || StreamingMetrics.TYPE_NAME.equals(type)) {
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result |= StreamingMetrics.checkRegistration(client, server);
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}
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} catch (MalformedObjectNameException | UnknownHostException e) {
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// TODO: log
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}
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return result;
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}
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}
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