diff options
| author | ElgarL <ElgarL@Palmergames.com> | 2014-05-15 19:07:04 +0100 |
|---|---|---|
| committer | ElgarL <ElgarL@Palmergames.com> | 2014-05-15 19:07:04 +0100 |
| commit | f03e41536b983a494d9382fef220cb4d708844a4 (patch) | |
| tree | 792948ec2b88baa2853feeb95f7e32ff4197af9e /EssentialsGroupManager/src | |
| parent | 9c3d965371209d135737f5a3b57d49eb568aff8b (diff) | |
| download | Essentials-f03e41536b983a494d9382fef220cb4d708844a4.tar Essentials-f03e41536b983a494d9382fef220cb4d708844a4.tar.gz Essentials-f03e41536b983a494d9382fef220cb4d708844a4.tar.lz Essentials-f03e41536b983a494d9382fef220cb4d708844a4.tar.xz Essentials-f03e41536b983a494d9382fef220cb4d708844a4.zip | |
Added metrics.
Diffstat (limited to 'EssentialsGroupManager/src')
3 files changed, 773 insertions, 1 deletions
diff --git a/EssentialsGroupManager/src/Changelog.txt b/EssentialsGroupManager/src/Changelog.txt index 50a947da7..849f11e95 100644 --- a/EssentialsGroupManager/src/Changelog.txt +++ b/EssentialsGroupManager/src/Changelog.txt @@ -230,4 +230,5 @@ v2.1: Plugins can still query by player name but a UUID is faster and preferable.
- Set a default mirror map if none is found in the config.
- Fix clones forgetting sub groups.
- - Prevent players who have never logged in before from taking over existing accounts.
\ No newline at end of file + - Prevent players who have never logged in before from taking over existing accounts.
+ - Added metrics.
\ No newline at end of file diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java index 81eb3064f..c902604b0 100644 --- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java +++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java @@ -12,6 +12,7 @@ import org.anjocaido.groupmanager.data.Variables; import org.anjocaido.groupmanager.data.User; import org.anjocaido.groupmanager.data.Group; import org.anjocaido.groupmanager.dataholder.OverloadedWorldHolder; +import org.anjocaido.groupmanager.metrics.Metrics; import java.io.File; import java.io.IOException; import java.io.InputStream; @@ -84,6 +85,17 @@ public class GroupManager extends JavaPlugin { @Override public void onEnable() { + + /* + * Register Metrics + */ + try { + Metrics metrics = new Metrics(this); + metrics.start(); + } catch (IOException e) { + System.err.println("[GroupManager] Error setting up metrics"); + } + /* * Initialize the event handler */ diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/metrics/Metrics.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/metrics/Metrics.java new file mode 100644 index 000000000..cc1e4dfd4 --- /dev/null +++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/metrics/Metrics.java @@ -0,0 +1,759 @@ +/*
+ * Copyright 2011-2013 Tyler Blair. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and contributors and should not be interpreted as representing official policies,
+ * either expressed or implied, of anybody else.
+ */
+package org.anjocaido.groupmanager.metrics;
+
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginDescriptionFile;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.Proxy;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLEncoder;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.UUID;
+import java.util.logging.Level;
+import java.util.zip.GZIPOutputStream;
+
+public class Metrics {
+
+ /**
+ * The current revision number
+ */
+ private final static int REVISION = 7;
+
+ /**
+ * The base url of the metrics domain
+ */
+ private static final String BASE_URL = "http://report.mcstats.org";
+
+ /**
+ * The url used to report a server's status
+ */
+ private static final String REPORT_URL = "/plugin/%s";
+
+ /**
+ * Interval of time to ping (in minutes)
+ */
+ private static final int PING_INTERVAL = 15;
+
+ /**
+ * The plugin this metrics submits for
+ */
+ private final Plugin plugin;
+
+ /**
+ * All of the custom graphs to submit to metrics
+ */
+ private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
+
+ /**
+ * The plugin configuration file
+ */
+ private final YamlConfiguration configuration;
+
+ /**
+ * The plugin configuration file
+ */
+ private final File configurationFile;
+
+ /**
+ * Unique server id
+ */
+ private final String guid;
+
+ /**
+ * Debug mode
+ */
+ private final boolean debug;
+
+ /**
+ * Lock for synchronization
+ */
+ private final Object optOutLock = new Object();
+
+ /**
+ * The scheduled task
+ */
+ private volatile BukkitTask task = null;
+
+ public Metrics(final Plugin plugin) throws IOException {
+ if (plugin == null) {
+ throw new IllegalArgumentException("Plugin cannot be null");
+ }
+
+ this.plugin = plugin;
+
+ // load the config
+ configurationFile = getConfigFile();
+ configuration = YamlConfiguration.loadConfiguration(configurationFile);
+
+ // add some defaults
+ configuration.addDefault("opt-out", false);
+ configuration.addDefault("guid", UUID.randomUUID().toString());
+ configuration.addDefault("debug", false);
+
+ // Do we need to create the file?
+ if (configuration.get("guid", null) == null) {
+ configuration.options().header("http://mcstats.org").copyDefaults(true);
+ configuration.save(configurationFile);
+ }
+
+ // Load the guid then
+ guid = configuration.getString("guid");
+ debug = configuration.getBoolean("debug", false);
+ }
+
+ /**
+ * Construct and create a Graph that can be used to separate specific plotters to their own graphs on the metrics
+ * website. Plotters can be added to the graph object returned.
+ *
+ * @param name The name of the graph
+ * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
+ */
+ public Graph createGraph(final String name) {
+ if (name == null) {
+ throw new IllegalArgumentException("Graph name cannot be null");
+ }
+
+ // Construct the graph object
+ final Graph graph = new Graph(name);
+
+ // Now we can add our graph
+ graphs.add(graph);
+
+ // and return back
+ return graph;
+ }
+
+ /**
+ * Add a Graph object to BukkitMetrics that represents data for the plugin that should be sent to the backend
+ *
+ * @param graph The name of the graph
+ */
+ public void addGraph(final Graph graph) {
+ if (graph == null) {
+ throw new IllegalArgumentException("Graph cannot be null");
+ }
+
+ graphs.add(graph);
+ }
+
+ /**
+ * Start measuring statistics. This will immediately create an async repeating task as the plugin and send the
+ * initial data to the metrics backend, and then after that it will post in increments of PING_INTERVAL * 1200
+ * ticks.
+ *
+ * @return True if statistics measuring is running, otherwise false.
+ */
+ public boolean start() {
+ synchronized (optOutLock) {
+ // Did we opt out?
+ if (isOptOut()) {
+ return false;
+ }
+
+ // Is metrics already running?
+ if (task != null) {
+ return true;
+ }
+
+ // Begin hitting the server with glorious data
+ task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() {
+
+ private boolean firstPost = true;
+
+ public void run() {
+ try {
+ // This has to be synchronized or it can collide with the disable method.
+ synchronized (optOutLock) {
+ // Disable Task, if it is running and the server owner decided to opt-out
+ if (isOptOut() && task != null) {
+ task.cancel();
+ task = null;
+ // Tell all plotters to stop gathering information.
+ for (Graph graph : graphs) {
+ graph.onOptOut();
+ }
+ }
+ }
+
+ // We use the inverse of firstPost because if it is the first time we are posting,
+ // it is not a interval ping, so it evaluates to FALSE
+ // Each time thereafter it will evaluate to TRUE, i.e PING!
+ postPlugin(!firstPost);
+
+ // After the first post we set firstPost to false
+ // Each post thereafter will be a ping
+ firstPost = false;
+ } catch (IOException e) {
+ if (debug) {
+ Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
+ }
+ }
+ }
+ }, 0, PING_INTERVAL * 1200);
+
+ return true;
+ }
+ }
+
+ /**
+ * Has the server owner denied plugin metrics?
+ *
+ * @return true if metrics should be opted out of it
+ */
+ public boolean isOptOut() {
+ synchronized (optOutLock) {
+ try {
+ // Reload the metrics file
+ configuration.load(getConfigFile());
+ } catch (IOException ex) {
+ if (debug) {
+ Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
+ }
+ return true;
+ } catch (InvalidConfigurationException ex) {
+ if (debug) {
+ Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
+ }
+ return true;
+ }
+ return configuration.getBoolean("opt-out", false);
+ }
+ }
+
+ /**
+ * Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
+ *
+ * @throws java.io.IOException
+ */
+ public void enable() throws IOException {
+ // This has to be synchronized or it can collide with the check in the task.
+ synchronized (optOutLock) {
+ // Check if the server owner has already set opt-out, if not, set it.
+ if (isOptOut()) {
+ configuration.set("opt-out", false);
+ configuration.save(configurationFile);
+ }
+
+ // Enable Task, if it is not running
+ if (task == null) {
+ start();
+ }
+ }
+ }
+
+ /**
+ * Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
+ *
+ * @throws java.io.IOException
+ */
+ public void disable() throws IOException {
+ // This has to be synchronized or it can collide with the check in the task.
+ synchronized (optOutLock) {
+ // Check if the server owner has already set opt-out, if not, set it.
+ if (!isOptOut()) {
+ configuration.set("opt-out", true);
+ configuration.save(configurationFile);
+ }
+
+ // Disable Task, if it is running
+ if (task != null) {
+ task.cancel();
+ task = null;
+ }
+ }
+ }
+
+ /**
+ * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status
+ *
+ * @return the File object for the config file
+ */
+ public File getConfigFile() {
+ // I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
+ // is to abuse the plugin object we already have
+ // plugin.getDataFolder() => base/plugins/PluginA/
+ // pluginsFolder => base/plugins/
+ // The base is not necessarily relative to the startup directory.
+ File pluginsFolder = plugin.getDataFolder().getParentFile();
+
+ // return => base/plugins/PluginMetrics/config.yml
+ return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml");
+ }
+
+ /**
+ * Generic method that posts a plugin to the metrics website
+ */
+ private void postPlugin(final boolean isPing) throws IOException {
+ // Server software specific section
+ PluginDescriptionFile description = plugin.getDescription();
+ String pluginName = description.getName();
+ boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
+ String pluginVersion = description.getVersion();
+ String serverVersion = Bukkit.getVersion();
+ int playersOnline = Bukkit.getServer().getOnlinePlayers().length;
+
+ // END server software specific section -- all code below does not use any code outside of this class / Java
+
+ // Construct the post data
+ StringBuilder json = new StringBuilder(1024);
+ json.append('{');
+
+ // The plugin's description file containg all of the plugin data such as name, version, author, etc
+ appendJSONPair(json, "guid", guid);
+ appendJSONPair(json, "plugin_version", pluginVersion);
+ appendJSONPair(json, "server_version", serverVersion);
+ appendJSONPair(json, "players_online", Integer.toString(playersOnline));
+
+ // New data as of R6
+ String osname = System.getProperty("os.name");
+ String osarch = System.getProperty("os.arch");
+ String osversion = System.getProperty("os.version");
+ String java_version = System.getProperty("java.version");
+ int coreCount = Runtime.getRuntime().availableProcessors();
+
+ // normalize os arch .. amd64 -> x86_64
+ if (osarch.equals("amd64")) {
+ osarch = "x86_64";
+ }
+
+ appendJSONPair(json, "osname", osname);
+ appendJSONPair(json, "osarch", osarch);
+ appendJSONPair(json, "osversion", osversion);
+ appendJSONPair(json, "cores", Integer.toString(coreCount));
+ appendJSONPair(json, "auth_mode", onlineMode ? "1" : "0");
+ appendJSONPair(json, "java_version", java_version);
+
+ // If we're pinging, append it
+ if (isPing) {
+ appendJSONPair(json, "ping", "1");
+ }
+
+ if (graphs.size() > 0) {
+ synchronized (graphs) {
+ json.append(',');
+ json.append('"');
+ json.append("graphs");
+ json.append('"');
+ json.append(':');
+ json.append('{');
+
+ boolean firstGraph = true;
+
+ final Iterator<Graph> iter = graphs.iterator();
+
+ while (iter.hasNext()) {
+ Graph graph = iter.next();
+
+ StringBuilder graphJson = new StringBuilder();
+ graphJson.append('{');
+
+ for (Plotter plotter : graph.getPlotters()) {
+ appendJSONPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue()));
+ }
+
+ graphJson.append('}');
+
+ if (!firstGraph) {
+ json.append(',');
+ }
+
+ json.append(escapeJSON(graph.getName()));
+ json.append(':');
+ json.append(graphJson);
+
+ firstGraph = false;
+ }
+
+ json.append('}');
+ }
+ }
+
+ // close json
+ json.append('}');
+
+ // Create the url
+ URL url = new URL(BASE_URL + String.format(REPORT_URL, urlEncode(pluginName)));
+
+ // Connect to the website
+ URLConnection connection;
+
+ // Mineshafter creates a socks proxy, so we can safely bypass it
+ // It does not reroute POST requests so we need to go around it
+ if (isMineshafterPresent()) {
+ connection = url.openConnection(Proxy.NO_PROXY);
+ } else {
+ connection = url.openConnection();
+ }
+
+
+ byte[] uncompressed = json.toString().getBytes();
+ byte[] compressed = gzip(json.toString());
+
+ // Headers
+ connection.addRequestProperty("User-Agent", "MCStats/" + REVISION);
+ connection.addRequestProperty("Content-Type", "application/json");
+ connection.addRequestProperty("Content-Encoding", "gzip");
+ connection.addRequestProperty("Content-Length", Integer.toString(compressed.length));
+ connection.addRequestProperty("Accept", "application/json");
+ connection.addRequestProperty("Connection", "close");
+
+ connection.setDoOutput(true);
+
+ if (debug) {
+ System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length);
+ }
+
+ // Write the data
+ OutputStream os = connection.getOutputStream();
+ os.write(compressed);
+ os.flush();
+
+ // Now read the response
+ final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+ String response = reader.readLine();
+
+ // close resources
+ os.close();
+ reader.close();
+
+ if (response == null || response.startsWith("ERR") || response.startsWith("7")) {
+ if (response == null) {
+ response = "null";
+ } else if (response.startsWith("7")) {
+ response = response.substring(response.startsWith("7,") ? 2 : 1);
+ }
+
+ throw new IOException(response);
+ } else {
+ // Is this the first update this hour?
+ if (response.equals("1") || response.contains("This is your first update this hour")) {
+ synchronized (graphs) {
+ final Iterator<Graph> iter = graphs.iterator();
+
+ while (iter.hasNext()) {
+ final Graph graph = iter.next();
+
+ for (Plotter plotter : graph.getPlotters()) {
+ plotter.reset();
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * GZip compress a string of bytes
+ *
+ * @param input
+ * @return
+ */
+ public static byte[] gzip(String input) {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ GZIPOutputStream gzos = null;
+
+ try {
+ gzos = new GZIPOutputStream(baos);
+ gzos.write(input.getBytes("UTF-8"));
+ } catch (IOException e) {
+ e.printStackTrace();
+ } finally {
+ if (gzos != null) try {
+ gzos.close();
+ } catch (IOException ignore) {
+ }
+ }
+
+ return baos.toByteArray();
+ }
+
+ /**
+ * Check if mineshafter is present. If it is, we need to bypass it to send POST requests
+ *
+ * @return true if mineshafter is installed on the server
+ */
+ private boolean isMineshafterPresent() {
+ try {
+ Class.forName("mineshafter.MineServer");
+ return true;
+ } catch (Exception e) {
+ return false;
+ }
+ }
+
+ /**
+ * Appends a json encoded key/value pair to the given string builder.
+ *
+ * @param json
+ * @param key
+ * @param value
+ * @throws UnsupportedEncodingException
+ */
+ private static void appendJSONPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException {
+ boolean isValueNumeric = false;
+
+ try {
+ if (value.equals("0") || !value.endsWith("0")) {
+ Double.parseDouble(value);
+ isValueNumeric = true;
+ }
+ } catch (NumberFormatException e) {
+ isValueNumeric = false;
+ }
+
+ if (json.charAt(json.length() - 1) != '{') {
+ json.append(',');
+ }
+
+ json.append(escapeJSON(key));
+ json.append(':');
+
+ if (isValueNumeric) {
+ json.append(value);
+ } else {
+ json.append(escapeJSON(value));
+ }
+ }
+
+ /**
+ * Escape a string to create a valid JSON string
+ *
+ * @param text
+ * @return
+ */
+ private static String escapeJSON(String text) {
+ StringBuilder builder = new StringBuilder();
+
+ builder.append('"');
+ for (int index = 0; index < text.length(); index++) {
+ char chr = text.charAt(index);
+
+ switch (chr) {
+ case '"':
+ case '\\':
+ builder.append('\\');
+ builder.append(chr);
+ break;
+ case '\b':
+ builder.append("\\b");
+ break;
+ case '\t':
+ builder.append("\\t");
+ break;
+ case '\n':
+ builder.append("\\n");
+ break;
+ case '\r':
+ builder.append("\\r");
+ break;
+ default:
+ if (chr < ' ') {
+ String t = "000" + Integer.toHexString(chr);
+ builder.append("\\u" + t.substring(t.length() - 4));
+ } else {
+ builder.append(chr);
+ }
+ break;
+ }
+ }
+ builder.append('"');
+
+ return builder.toString();
+ }
+
+ /**
+ * Encode text as UTF-8
+ *
+ * @param text the text to encode
+ * @return the encoded text, as UTF-8
+ */
+ private static String urlEncode(final String text) throws UnsupportedEncodingException {
+ return URLEncoder.encode(text, "UTF-8");
+ }
+
+ /**
+ * Represents a custom graph on the website
+ */
+ public static class Graph {
+
+ /**
+ * The graph's name, alphanumeric and spaces only :) If it does not comply to the above when submitted, it is
+ * rejected
+ */
+ private final String name;
+
+ /**
+ * The set of plotters that are contained within this graph
+ */
+ private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
+
+ private Graph(final String name) {
+ this.name = name;
+ }
+
+ /**
+ * Gets the graph's name
+ *
+ * @return the Graph's name
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Add a plotter to the graph, which will be used to plot entries
+ *
+ * @param plotter the plotter to add to the graph
+ */
+ public void addPlotter(final Plotter plotter) {
+ plotters.add(plotter);
+ }
+
+ /**
+ * Remove a plotter from the graph
+ *
+ * @param plotter the plotter to remove from the graph
+ */
+ public void removePlotter(final Plotter plotter) {
+ plotters.remove(plotter);
+ }
+
+ /**
+ * Gets an <b>unmodifiable</b> set of the plotter objects in the graph
+ *
+ * @return an unmodifiable {@link java.util.Set} of the plotter objects
+ */
+ public Set<Plotter> getPlotters() {
+ return Collections.unmodifiableSet(plotters);
+ }
+
+ @Override
+ public int hashCode() {
+ return name.hashCode();
+ }
+
+ @Override
+ public boolean equals(final Object object) {
+ if (!(object instanceof Graph)) {
+ return false;
+ }
+
+ final Graph graph = (Graph) object;
+ return graph.name.equals(name);
+ }
+
+ /**
+ * Called when the server owner decides to opt-out of BukkitMetrics while the server is running.
+ */
+ protected void onOptOut() {
+ }
+ }
+
+ /**
+ * Interface used to collect custom data for a plugin
+ */
+ public static abstract class Plotter {
+
+ /**
+ * The plot's name
+ */
+ private final String name;
+
+ /**
+ * Construct a plotter with the default plot name
+ */
+ public Plotter() {
+ this("Default");
+ }
+
+ /**
+ * Construct a plotter with a specific plot name
+ *
+ * @param name the name of the plotter to use, which will show up on the website
+ */
+ public Plotter(final String name) {
+ this.name = name;
+ }
+
+ /**
+ * Get the current value for the plotted point. Since this function defers to an external function it may or may
+ * not return immediately thus cannot be guaranteed to be thread friendly or safe. This function can be called
+ * from any thread so care should be taken when accessing resources that need to be synchronized.
+ *
+ * @return the current value for the point to be plotted.
+ */
+ public abstract int getValue();
+
+ /**
+ * Get the column name for the plotted point
+ *
+ * @return the plotted point's column name
+ */
+ public String getColumnName() {
+ return name;
+ }
+
+ /**
+ * Called after the website graphs have been updated
+ */
+ public void reset() {
+ }
+
+ @Override
+ public int hashCode() {
+ return getColumnName().hashCode();
+ }
+
+ @Override
+ public boolean equals(final Object object) {
+ if (!(object instanceof Plotter)) {
+ return false;
+ }
+
+ final Plotter plotter = (Plotter) object;
+ return plotter.name.equals(name) && plotter.getValue() == getValue();
+ }
+ }
+}
\ No newline at end of file |