hydra

Class JMXManagerHelper

java.lang.Object

hydra.JMXManagerHelper

public class JMXManagerHelper
extends Object

Helps hydra clients manage jmx managers. Methods are thread-safe.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JMXManagerHelper.Endpoint Represents the endpoint for a JMX manager.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	DEFAULT_JMX_MANAGER_HTTP_PORT
protected static int	DEFAULT_JMX_MANAGER_PORT

Constructor Summary

Constructors

Constructor and Description
JMXManagerHelper()

Method Summary

Modifier and Type	Method and Description
protected static JMXManagerHelper.Endpoint	getEndpoint() Returns the JMX manager endpoint for this JVM from the shared JMXManagerBlackboard map, if it exists.
protected static JMXManagerHelper.Endpoint	getEndpoint(boolean generatePort, boolean generateHttpPort) Returns the JMX manager endpoint for this JVM from the shared JMXManagerBlackboard map.
static List<JMXManagerHelper.Endpoint>	getEndpoints() Returns all JMX manager endpoints from the JMXManagerBlackboard map, a possibly empty list.
static List	getEndpoints(String distributedSystemName) Returns all JMX manager endpoints for the specified distributed system from the JMXManagerBlackboard map, a possibly empty list.
static List	getSystemEndpoints() Returns all JMX manager endpoints for this JVM's distributed system from the JMXManagerBlackboard map, a possibly empty list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_JMX_MANAGER_PORT

protected static final int DEFAULT_JMX_MANAGER_PORT

See Also:

Constant Field Values

DEFAULT_JMX_MANAGER_HTTP_PORT

protected static final int DEFAULT_JMX_MANAGER_HTTP_PORT

See Also:

Constant Field Values

Constructor Detail

JMXManagerHelper

public JMXManagerHelper()

Method Detail

getEndpoint

protected static JMXManagerHelper.Endpoint getEndpoint()

Returns the JMX manager endpoint for this JVM from the shared JMXManagerBlackboard map, if it exists. Otherwise returns null.

getEndpoints

public static List<JMXManagerHelper.Endpoint> getEndpoints()

Returns all JMX manager endpoints from the JMXManagerBlackboard map, a possibly empty list. This includes all JMX managers that have ever generated an endpoint, regardless of their distributed system or current active status.

getSystemEndpoints

public static List getSystemEndpoints()

Returns all JMX manager endpoints for this JVM's distributed system from the JMXManagerBlackboard map, a possibly empty list. This includes all JMX managers that have ever generated an endpoint, regardless of their current active status.

getEndpoints

public static List getEndpoints(String distributedSystemName)

Returns all JMX manager endpoints for the specified distributed system from the JMXManagerBlackboard map, a possibly empty list. This includes all JMX managers that have ever generated an endpoint, regardless of their current active status.

getEndpoint

protected static JMXManagerHelper.Endpoint getEndpoint(boolean generatePort,
                                                       boolean generateHttpPort)

Returns the JMX manager endpoint for this JVM from the shared JMXManagerBlackboard map. Generates one if it does not already exist.