com.alibaba.dubbo.common.status.Status Java Examples

The following examples show how to use com.alibaba.dubbo.common.status.Status. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: StatusUtils.java From dubbox with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #2

Source File: StatusManager.java From dubbox with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #3

Source File: RegistryStatusChecker.java From dubbo-2.6.5 with Apache License 2.0

6 votes

@Override
public Status check() {
    Collection<Registry> registries = AbstractRegistryFactory.getRegistries();
    if (registries.isEmpty()) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (Registry registry : registries) {
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(registry.getUrl().getAddress());
        if (!registry.isAvailable()) {
            level = Status.Level.ERROR;
            buf.append("(disconnected)");
        } else {
            buf.append("(connected)");
        }
    }
    return new Status(level, buf.toString());
}

Example #4

Source File: StatusManager.java From dubbox with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #5

Source File: RegistryStatusChecker.java From dubbox with Apache License 2.0

6 votes

public Status check() {
    Collection<Registry> regsitries = AbstractRegistryFactory.getRegistries();
    if (regsitries == null || regsitries.size() == 0) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (Registry registry : regsitries) {
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(registry.getUrl().getAddress());
        if (! registry.isAvailable()) {
            level = Status.Level.ERROR;
            buf.append("(disconnected)");
        } else {
            buf.append("(connected)");
        }
    }
    return new Status(level, buf.toString());
}

Example #6

Source File: StatusUtils.java From dubbox-hystrix with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #7

Source File: RegistryStatusChecker.java From dubbox with Apache License 2.0

6 votes

public Status check() {
    Collection<Registry> regsitries = AbstractRegistryFactory.getRegistries();
    if (regsitries == null || regsitries.size() == 0) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (Registry registry : regsitries) {
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(registry.getUrl().getAddress());
        if (! registry.isAvailable()) {
            level = Status.Level.ERROR;
            buf.append("(disconnected)");
        } else {
            buf.append("(connected)");
        }
    }
    return new Status(level, buf.toString());
}

Example #8

Source File: StatusManager.java From dubbox with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #9

Source File: ServerStatusChecker.java From dubbox with Apache License 2.0

6 votes

public Status check() {
    Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers();
    if (servers == null || servers.size() == 0) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (ExchangeServer server : servers) {
        if (! server.isBound()) {
            level = Status.Level.ERROR;
            buf.setLength(0);
            buf.append(server.getLocalAddress());
            break;
        }
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(server.getLocalAddress());
        buf.append("(clients:");
        buf.append(server.getChannels().size());
        buf.append(")");
    }
    return new Status(level, buf.toString());
}

Example #10

Source File: ServerStatusChecker.java From dubbox with Apache License 2.0

6 votes

public Status check() {
    Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers();
    if (servers == null || servers.size() == 0) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (ExchangeServer server : servers) {
        if (! server.isBound()) {
            level = Status.Level.ERROR;
            buf.setLength(0);
            buf.append(server.getLocalAddress());
            break;
        }
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(server.getLocalAddress());
        buf.append("(clients:");
        buf.append(server.getChannels().size());
        buf.append(")");
    }
    return new Status(level, buf.toString());
}

Example #11

Source File: StatusManager.java From dubbox-hystrix with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #12

Source File: StatusUtils.java From dubbo3 with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if(! Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #13

Source File: ServerStatusChecker.java From dubbo3 with Apache License 2.0

6 votes

public Status check() {
    Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers();
    if (servers == null || servers.size() == 0) {
        return new Status(Status.Level.UNKNOWN);
    }
    Status.Level level = Status.Level.OK;
    StringBuilder buf = new StringBuilder();
    for (ExchangeServer server : servers) {
        if (! server.isBound()) {
            level = Status.Level.ERROR;
            buf.setLength(0);
            buf.append(server.getLocalAddress());
            break;
        }
        if (buf.length() > 0) {
            buf.append(",");
        }
        buf.append(server.getLocalAddress());
        buf.append("(clients:");
        buf.append(server.getChannels().size());
        buf.append(")");
    }
    return new Status(level, buf.toString());
}

Example #14

Source File: StatusUtils.java From dubbo-2.6.5 with Apache License 2.0

6 votes

public static Status getSummaryStatus(Map<String, Status> statuses) {
    Level level = Level.OK;
    StringBuilder msg = new StringBuilder();
    for (Map.Entry<String, Status> entry : statuses.entrySet()) {
        String key = entry.getKey();
        Status status = entry.getValue();
        Level l = status.getLevel();
        if (Level.ERROR.equals(l)) {
            level = Level.ERROR;
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        } else if (Level.WARN.equals(l)) {
            if (!Level.ERROR.equals(level)) {
                level = Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(",");
            }
            msg.append(key);
        }
    }
    return new Status(level, msg.toString());
}

Example #15

Source File: LoadStatusChecker.java From dubbo-2.6.5 with Apache License 2.0

6 votes

@Override
public Status check() {
    OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
    double load;
    try {
        Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
        load = (Double) method.invoke(operatingSystemMXBean, new Object[0]);
        if (load == -1) {
            com.sun.management.OperatingSystemMXBean bean =
                    (com.sun.management.OperatingSystemMXBean) operatingSystemMXBean;
            load = bean.getSystemCpuLoad();
        }
    } catch (Throwable e) {
        load = -1;
    }
    int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN),
            (load < 0 ? "" : "load:" + load + ",") + "cpu:" + cpu);
}

Example #16

Source File: LoadStatusChecker.java From dubbo3 with Apache License 2.0

5 votes

public Status check() {
	OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
	double load;
	try {
	    Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage");
	    load = (Double)method.invoke(operatingSystemMXBean);
	} catch (Throwable e) {
	    load = -1;
	}
	int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), (load < 0 ? "" : "load:" + load + ",") + "cpu:" + cpu);
}

Example #17

Source File: ThreadPoolStatusChecker.java From dubbo3 with Apache License 2.0

5 votes

public Status check() {
    DataStore dataStore = ExtensionLoader.getExtensionLoader(DataStore.class).getDefaultExtension();
    Map<String, Object> executors = dataStore.get(Constants.EXECUTOR_SERVICE_COMPONENT_KEY);

    StringBuilder msg = new StringBuilder();
    Status.Level level = Status.Level.OK;
    for(Map.Entry<String, Object> entry : executors.entrySet()) {
        String port = entry.getKey();
        ExecutorService executor = (ExecutorService) entry.getValue();

        if (executor != null && executor instanceof ThreadPoolExecutor) {
            ThreadPoolExecutor tp = (ThreadPoolExecutor) executor;
            boolean ok = tp.getActiveCount() < tp.getMaximumPoolSize() - 1;
            Status.Level lvl = Status.Level.OK;
            if(!ok) {
                level = Status.Level.WARN;
                lvl = Status.Level.WARN;
            }

            if(msg.length() > 0) {
                msg.append(";");
            }
            msg.append("Pool status:" + lvl
                    + ", max:" + tp.getMaximumPoolSize()
                    + ", core:" + tp.getCorePoolSize()
                    + ", largest:" + tp.getLargestPoolSize()
                    + ", active:" + tp.getActiveCount()
                    + ", task:" + tp.getTaskCount()
                    + ", service port: " + port);
        }
    }
    return msg.length() == 0 ? new Status(Status.Level.UNKNOWN) : new Status(level, msg.toString());
}

Example #18

Source File: DatabaseStatusChecker.java From dubbox-hystrix with Apache License 2.0

5 votes

public Status check() {
    boolean ok;
    try {
        Connection connection = dataSource.getConnection();
        try {
            DatabaseMetaData metaData = connection.getMetaData();
            ResultSet resultSet = metaData.getTypeInfo();
            try {
                ok = resultSet.next();
            } finally {
                resultSet.close();
            }
            if (message == null) {
                message = metaData.getURL()
                    + " (" + metaData.getDatabaseProductName() 
                    + " " + metaData.getDatabaseProductVersion()
                    + ", " + getIsolation(metaData.getDefaultTransactionIsolation()) + ")";
            }
            if (version == 0) {
                version = metaData.getDatabaseMajorVersion();
            }
        } finally {
            connection.close();
        }
    } catch (Throwable e) {
        logger.error(e.getMessage(), e);
        ok = false;
    }
    return new Status(! ok ? Status.Level.ERROR : (version < 5 ? Status.Level.WARN : Status.Level.OK), message);
}

Example #19

Source File: RegistryStatusCheckerTest.java From dubbox-hystrix with Apache License 2.0

5 votes

@Test
public void testCheckOK() {
    ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension().getRegistry(registryUrl);
    ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension().getRegistry(registryUrl2);
    assertEquals(Status.Level.OK, new RegistryStatusChecker().check().getLevel());
    String message = new RegistryStatusChecker().check().getMessage();
    Assert.assertTrue(message.contains(registryUrl.getAddress() + "(connected)"));
    Assert.assertTrue(message.contains(registryUrl2.getAddress() + "(connected)"));
}

Example #20

Source File: ThreadPoolStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    DataStore dataStore = ExtensionLoader.getExtensionLoader(DataStore.class).getDefaultExtension();
    Map<String, Object> executors = dataStore.get(Constants.EXECUTOR_SERVICE_COMPONENT_KEY);

    StringBuilder msg = new StringBuilder();
    Status.Level level = Status.Level.OK;
    for(Map.Entry<String, Object> entry : executors.entrySet()) {
        String port = entry.getKey();
        ExecutorService executor = (ExecutorService) entry.getValue();

        if (executor != null && executor instanceof ThreadPoolExecutor) {
            ThreadPoolExecutor tp = (ThreadPoolExecutor) executor;
            boolean ok = tp.getActiveCount() < tp.getMaximumPoolSize() - 1;
            Status.Level lvl = Status.Level.OK;
            if(!ok) {
                level = Status.Level.WARN;
                lvl = Status.Level.WARN;
            }

            if(msg.length() > 0) {
                msg.append(";");
            }
            msg.append("Pool status:" + lvl
                    + ", max:" + tp.getMaximumPoolSize()
                    + ", core:" + tp.getCorePoolSize()
                    + ", largest:" + tp.getLargestPoolSize()
                    + ", active:" + tp.getActiveCount()
                    + ", task:" + tp.getTaskCount()
                    + ", service port: " + port);
        }
    }
    return msg.length() == 0 ? new Status(Status.Level.UNKNOWN) : new Status(level, msg.toString());
}

Example #21

Source File: MemoryStatusChecker.java From dubbox-hystrix with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "Max:" + (maxMemory / 1024 / 1024) + "M, Total:" 
    + (totalMemory / 1024 / 1024) + "M, Free:" + (freeMemory / 1024 / 1024) 
    + "M, Use:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #22

Source File: MemoryStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "max:" + (maxMemory / 1024 / 1024) + "M,total:" 
    + (totalMemory / 1024 / 1024) + "M,used:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M,free:" + (freeMemory / 1024 / 1024) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #23

Source File: MemoryStatusChecker.java From dubbox-hystrix with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "max:" + (maxMemory / 1024 / 1024) + "M,total:" 
    + (totalMemory / 1024 / 1024) + "M,used:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M,free:" + (freeMemory / 1024 / 1024) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #24

Source File: LoadStatusChecker.java From dubbo3 with Apache License 2.0

5 votes

public Status check() {
	OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
	double load;
	try {
	    Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
	    load = (Double)method.invoke(operatingSystemMXBean, new Object[0]);
	} catch (Throwable e) {
	    load = -1;
	}
	int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
}

Example #25

Source File: MemoryStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "Max:" + (maxMemory / 1024 / 1024) + "M, Total:" 
    + (totalMemory / 1024 / 1024) + "M, Free:" + (freeMemory / 1024 / 1024) 
    + "M, Use:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #26

Source File: MemoryStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "Max:" + (maxMemory / 1024 / 1024) + "M, Total:" 
    + (totalMemory / 1024 / 1024) + "M, Free:" + (freeMemory / 1024 / 1024) 
    + "M, Use:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #27

Source File: StatusManager.java From dubbox with Apache License 2.0

5 votes

/**
 * 过滤不需要汇总页面的监控项
 */
public Map<String, Status> getStatusList(String[] excludes) {
    Map<String, Status> statuses = new HashMap<String, Status>();
    Map<String, StatusChecker> temp = new HashMap<String, StatusChecker>();
    temp.putAll(statusHandlers);
    if(excludes != null&&excludes.length>0){
        for(String exclude : excludes){
            temp.remove(exclude);
        }
    }
    for (Map.Entry<String, StatusChecker> entry : temp.entrySet()) {
            statuses.put(entry.getKey(), entry.getValue().check());
    }
    return statuses;
}

Example #28

Source File: MemoryStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    Runtime runtime = Runtime.getRuntime();
    long freeMemory = runtime.freeMemory();
    long totalMemory = runtime.totalMemory();
    long maxMemory = runtime.maxMemory();
    boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
    String msg = "Max:" + (maxMemory / 1024 / 1024) + "M, Total:" 
    + (totalMemory / 1024 / 1024) + "M, Free:" + (freeMemory / 1024 / 1024) 
    + "M, Use:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
    return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
}

Example #29

Source File: DatabaseStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
    boolean ok;
    try {
        Connection connection = dataSource.getConnection();
        try {
            DatabaseMetaData metaData = connection.getMetaData();
            ResultSet resultSet = metaData.getTypeInfo();
            try {
                ok = resultSet.next();
            } finally {
                resultSet.close();
            }
            if (message == null) {
                message = metaData.getURL()
                    + " (" + metaData.getDatabaseProductName() 
                    + " " + metaData.getDatabaseProductVersion()
                    + ", " + getIsolation(metaData.getDefaultTransactionIsolation()) + ")";
            }
            if (version == 0) {
                version = metaData.getDatabaseMajorVersion();
            }
        } finally {
            connection.close();
        }
    } catch (Throwable e) {
        logger.error(e.getMessage(), e);
        ok = false;
    }
    return new Status(! ok ? Status.Level.ERROR : (version < 5 ? Status.Level.WARN : Status.Level.OK), message);
}

Example #30

Source File: LoadStatusChecker.java From dubbox with Apache License 2.0

5 votes

public Status check() {
	OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
	double load;
	try {
	    Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
	    load = (Double)method.invoke(operatingSystemMXBean, new Object[0]);
	} catch (Throwable e) {
	    load = -1;
	}
	int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
}