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package uk.co.gidley.jmxmonitor.monitoring; |
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import org.apache.commons.configuration.CompositeConfiguration; |
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import org.apache.commons.configuration.ConfigurationException; |
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import org.apache.commons.configuration.PropertiesConfiguration; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import uk.co.gidley.jmxmonitor.services.InitialisationException; |
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import uk.co.gidley.jmxmonitor.services.ThreadManager; |
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import javax.management.MBeanServerConnection; |
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import javax.management.MalformedObjectNameException; |
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import javax.management.ObjectName; |
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import javax.management.remote.JMXConnector; |
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import javax.management.remote.JMXConnectorFactory; |
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import javax.management.remote.JMXServiceURL; |
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import javax.script.ScriptEngine; |
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import javax.script.ScriptEngineManager; |
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import javax.script.ScriptException; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.MalformedURLException; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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| 76.9% |
Uncovered Elements: 31 (134) |
Complexity: 34 |
Complexity Density: 0.33 |
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public class MonitoringGroup implements Runnable { |
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private boolean stopping = false; |
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private long interval; |
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private Long lastRun; |
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private Map<String, MonitorUrlHolder> monitorUrlHolders = new HashMap<String, MonitorUrlHolder>(); |
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private CompositeConfiguration monitorsConfiguration = new CompositeConfiguration(); |
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private CompositeConfiguration expressionsConfiguration = new CompositeConfiguration(); |
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private String name; |
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private boolean alive = true; |
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private static final String URL = ".url"; |
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private List<String> expressions = new ArrayList<String>(); |
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private ScriptEngineManager scriptEngineManager; |
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| 100% |
Uncovered Elements: 0 (3) |
Complexity: 1 |
Complexity Density: 0.33 |
|
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3
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public MonitoringGroup() {... |
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3
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monitorsConfiguration.setThrowExceptionOnMissing(true); |
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expressionsConfiguration.setThrowExceptionOnMissing(true); |
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scriptEngineManager = new ScriptEngineManager(); |
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} |
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| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
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public String getName() {... |
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return name; |
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} |
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| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
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0
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public void setName(String name) {... |
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this.name = name; |
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} |
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private Logger outputLogger; |
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private static final Logger logger = LoggerFactory.getLogger(MonitoringGroup.class); |
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private static final String MONITORING_GROUP = "monitoringGroup."; |
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@param |
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@param |
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@param |
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| 57.1% |
Uncovered Elements: 6 (14) |
Complexity: 4 |
Complexity Density: 0.29 |
|
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3
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public void initialise(String name, File monitorsConfigurationFile, File expressionsConfigurationFile,... |
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long intervalInMilliseconds) throws InitialisationException { |
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3
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try { |
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3
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interval = intervalInMilliseconds; |
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this.name = name; |
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outputLogger = LoggerFactory.getLogger(MONITORING_GROUP + name); |
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monitorsConfiguration.addConfiguration(new PropertiesConfiguration(monitorsConfigurationFile)); |
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expressionsConfiguration.addConfiguration(new PropertiesConfiguration(expressionsConfigurationFile)); |
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initialiseMonitors(); |
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initialiseExpressions(); |
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} catch (ConfigurationException e) { |
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0
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logger.error("{}", e); |
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throw new InitialisationException(e); |
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} catch (MalformedObjectNameException e) { |
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logger.error("{}", e); |
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throw new InitialisationException(e); |
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} catch (MalformedURLException e) { |
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logger.error("{}", e); |
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throw new InitialisationException(e); |
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} |
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} |
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| 100% |
Uncovered Elements: 0 (7) |
Complexity: 2 |
Complexity Density: 0.4 |
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3
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private void initialiseExpressions() {... |
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3
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Iterator<String> keys = expressionsConfiguration.getKeys(); |
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7
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while (keys.hasNext()) { |
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String key = keys.next(); |
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4
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String expression = expressionsConfiguration.getString(key); |
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expressions.add(expression); |
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} |
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} |
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| 100% |
Uncovered Elements: 0 (4) |
Complexity: 1 |
Complexity Density: 0.25 |
|
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3
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private void initialiseMonitors() throws MalformedObjectNameException, MalformedURLException {... |
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3
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List<String> monitorUrls = monitorsConfiguration.getList(ThreadManager.PROPERTY_PREFIX + "connections"); |
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3
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for (String monitorUrlKey : monitorUrls) { |
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monitorUrlHolders.put(monitorUrlKey, new MonitorUrlHolder(monitorUrlKey)); |
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initialiseMonitorUrl(monitorUrlKey, monitorsConfiguration); |
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} |
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} |
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@param |
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@param |
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@throws |
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@throws |
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| 82.8% |
Uncovered Elements: 5 (29) |
Complexity: 6 |
Complexity Density: 0.29 |
|
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3
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private void initialiseMonitorUrl(String monitorUrlKey,... |
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CompositeConfiguration monitorsConfiguration) throws MalformedObjectNameException, MalformedURLException { |
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3
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logger.debug("Initialising Monitor Connection {}", monitorUrlKey); |
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3
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String url = monitorsConfiguration.getString(ThreadManager.PROPERTY_PREFIX + monitorUrlKey + URL); |
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3
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try { |
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3
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JMXServiceURL serviceUrl = new JMXServiceURL(url); |
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3
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JMXConnector jmxc = JMXConnectorFactory.connect(serviceUrl, null); |
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logger.debug("JMX connection made {}", jmxc); |
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MonitoringGroup.MonitorUrlHolder monitorUrlHolder = monitorUrlHolders.get(monitorUrlKey); |
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monitorUrlHolder.setmBeanServerConnection(jmxc.getMBeanServerConnection()); |
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monitorUrlHolder.getMonitors().clear(); |
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3
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List<String> loadedMonitors = new ArrayList<String>(); |
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Iterator<String> monitorKeys = monitorsConfiguration.getKeys(ThreadManager.PROPERTY_PREFIX + monitorUrlKey); |
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16
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while (monitorKeys.hasNext()) { |
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13
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String key = monitorKeys.next(); |
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13
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if (!key.endsWith(URL)) { |
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10
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String monitorName = key.substring( |
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ThreadManager.PROPERTY_PREFIX.length() + monitorUrlKey.length() + 1, |
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key.lastIndexOf(".")); |
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10
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if (!loadedMonitors.contains(monitorName)) { |
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4
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constructMonitor(monitorUrlKey, monitorsConfiguration, monitorUrlHolder, monitorName); |
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4
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loadedMonitors.add(monitorName); |
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} |
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} |
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} |
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} catch (IOException e) { |
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0
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if (e instanceof MalformedURLException) { |
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0
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throw (MalformedURLException) e; |
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} |
178 |
0
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logger.warn("Unable to connect to {}, {}", monitorUrlKey, e); |
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} |
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} |
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| 100% |
Uncovered Elements: 0 (11) |
Complexity: 2 |
Complexity Density: 0.22 |
|
182 |
4
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private void constructMonitor(String monitorUrlKey, CompositeConfiguration monitorsConfiguration,... |
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MonitorUrlHolder monitorUrlHolder, String monitorName) throws MalformedObjectNameException { |
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185 |
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186 |
4
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String keyPrefix = ThreadManager.PROPERTY_PREFIX + monitorUrlKey + "." + monitorName; |
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4
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String objectName = monitorsConfiguration.getString( |
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keyPrefix + ".objectName"); |
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4
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String attribute = monitorsConfiguration.getString( |
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keyPrefix + ".attribute"); |
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4
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String discriminator = monitorsConfiguration.getString(keyPrefix + ".discriminator", null); |
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4
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Monitor monitor; |
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4
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if (discriminator == null) { |
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2
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monitor = new SimpleJmxMonitor(monitorName, new ObjectName(objectName), attribute, |
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monitorUrlHolder.getmBeanServerConnection()); |
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} else { |
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2
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monitor = new DiscriminatingJmxMonitor(monitorName, |
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new ObjectName(objectName), attribute, discriminator, monitorUrlHolder.getmBeanServerConnection()); |
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} |
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4
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monitorUrlHolder.getMonitors().add(monitor); |
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} |
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203 |
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204 |
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|
205 |
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| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
206 |
1
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public void stop() {... |
207 |
1
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stopping = true; |
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} |
209 |
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|
210 |
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|
211 |
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|
212 |
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|
213 |
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|
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| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
214 |
17
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public boolean isAlive() {... |
215 |
17
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return alive; |
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} |
217 |
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|
218 |
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219 |
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|
220 |
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221 |
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| 72.5% |
Uncovered Elements: 11 (40) |
Complexity: 10 |
Complexity Density: 0.29 |
|
222 |
3
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@Override... |
223 |
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public void run() { |
224 |
3
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try { |
225 |
24
|
while (!stopping) { |
226 |
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|
227 |
23
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long currentRun = new Date().getTime(); |
228 |
23
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logger.debug("Checking interval for {} at {}", name, currentRun); |
229 |
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|
230 |
23
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ScriptEngine scriptEngine = scriptEngineManager.getEngineByName( |
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"JavaScript"); |
232 |
23
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if (lastRun == null || lastRun + interval < currentRun) { |
233 |
5
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logger.debug("Running interval for {} at {}", name, currentRun); |
234 |
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235 |
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236 |
5
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for (String monitorUrlHolderKey : monitorUrlHolders.keySet()) { |
237 |
5
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MonitorUrlHolder monitorUrlHolder = monitorUrlHolders.get(monitorUrlHolderKey); |
238 |
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|
239 |
5
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if (isFailed(monitorUrlHolder)) { |
240 |
0
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logger.debug("Reinitialising monitors as they are not connected"); |
241 |
0
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initialiseMonitorUrl(monitorUrlHolder.getUrl(), monitorsConfiguration); |
242 |
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} else { |
243 |
5
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logger.debug("Executing Monitors"); |
244 |
5
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Map<String, Object> results = new HashMap<String, Object>(); |
245 |
5
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for (Monitor monitor : monitorUrlHolder.getMonitors()) { |
246 |
6
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try { |
247 |
6
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results.put(monitor.getName(), monitor.getReading()); |
248 |
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} catch (ReadingFailedException e) { |
249 |
0
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results.put(monitor.getName(), e); |
250 |
0
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logger.error("{}", e); |
251 |
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} |
252 |
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} |
253 |
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|
254 |
5
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for (String key : results.keySet()) { |
255 |
6
|
scriptEngine.put(key, results.get(key)); |
256 |
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} |
257 |
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} |
258 |
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} |
259 |
5
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for (String expression : expressions) { |
260 |
7
|
try { |
261 |
7
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Object output = scriptEngine.eval(expression); |
262 |
7
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outputLogger.info("{}", output); |
263 |
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} catch (ScriptException e) { |
264 |
0
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logger.warn("Script Error {}", e); |
265 |
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} |
266 |
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} |
267 |
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|
268 |
5
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lastRun = currentRun; |
269 |
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} |
270 |
23
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Thread.sleep(4000); |
271 |
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} |
272 |
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} catch (InterruptedException e) { |
273 |
0
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logger.info("Interrupted", e); |
274 |
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} catch (MalformedObjectNameException e) { |
275 |
0
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logger.error("{}", e); |
276 |
0
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throw new RuntimeException(e); |
277 |
|
} catch (MalformedURLException e) { |
278 |
0
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logger.error("{}", e); |
279 |
0
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throw new RuntimeException(e); |
280 |
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} finally { |
281 |
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|
282 |
1
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alive = false; |
283 |
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|
284 |
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} |
285 |
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|
286 |
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} |
287 |
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|
|
|
| 50% |
Uncovered Elements: 5 (10) |
Complexity: 4 |
Complexity Density: 0.5 |
|
288 |
5
|
private boolean isFailed(MonitorUrlHolder monitorUrlHolder) {... |
289 |
5
|
if (monitorUrlHolder == null || monitorUrlHolder.getmBeanServerConnection() == null) { |
290 |
0
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return true; |
291 |
|
} |
292 |
5
|
try { |
293 |
5
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monitorUrlHolder.getmBeanServerConnection().getMBeanCount(); |
294 |
|
} catch (IOException e) { |
295 |
0
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logger.warn("Connection to JMX not functioning {}", e); |
296 |
0
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monitorUrlHolder.setmBeanServerConnection(null); |
297 |
0
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return true; |
298 |
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} |
299 |
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|
300 |
5
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return false; |
301 |
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} |
302 |
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|
|
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| 57.1% |
Uncovered Elements: 6 (14) |
Complexity: 7 |
Complexity Density: 1 |
|
303 |
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private class MonitorUrlHolder { |
304 |
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private String url; |
305 |
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private List<Monitor> monitors = new ArrayList<Monitor>(); |
306 |
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private MBeanServerConnection mBeanServerConnection; |
307 |
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|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
308 |
3
|
private MonitorUrlHolder(String url) {... |
309 |
3
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this.url = url; |
310 |
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} |
311 |
|
|
|
|
| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
312 |
0
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public String getUrl() {... |
313 |
0
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return url; |
314 |
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} |
315 |
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|
|
|
| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
316 |
0
|
public void setUrl(String url) {... |
317 |
0
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this.url = url; |
318 |
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} |
319 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
320 |
12
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public List<Monitor> getMonitors() {... |
321 |
12
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return monitors; |
322 |
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} |
323 |
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|
|
|
| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
324 |
0
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public void setMonitors(List<Monitor> monitors) {... |
325 |
0
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this.monitors = monitors; |
326 |
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} |
327 |
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|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
328 |
14
|
public MBeanServerConnection getmBeanServerConnection() {... |
329 |
14
|
return mBeanServerConnection; |
330 |
|
} |
331 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
332 |
3
|
public void setmBeanServerConnection(MBeanServerConnection mBeanServerConnection) {... |
333 |
3
|
this.mBeanServerConnection = mBeanServerConnection; |
334 |
|
} |
335 |
|
} |
336 |
|
} |