org.apache.catalina.core

Class StandardService

java.lang.Object

org.apache.catalina.core.StandardService

All Implemented Interfaces:

MBeanRegistration, Lifecycle, Service

public class StandardService
extends Object
implements Lifecycle, Service, MBeanRegistration

Standard implementation of the Service interface. The associated Container is generally an instance of Engine, but this is not required.

Author:

Craig R. McClanahan

Field Summary

Fields

Modifier and Type	Field and Description
protected Connector[]	connectors The set of Connectors associated with this Service.
protected Container	container The Container associated with this Service.
protected ObjectName	controller
static boolean	DELAY_CONNECTOR_STARTUP Alternate flag to enable delaying startup of connectors in embedded mode.
protected String	domain
protected String	entropy A String initialization parameter used to increase the entropy of the initialization of our random number generator.
protected ArrayList<Executor>	executors
protected boolean	initialized Has this component been initialized?
protected Mapper	mapper Mapper.
protected ServiceMapperListener	mapperListener The associated mapper.
protected MBeanServer	mserver
protected ObjectName	oname
protected SecureRandom	random The random associated with this service.
protected String	suffix
protected PropertyChangeSupport	support The property change support for this component.
protected String	type

Fields inherited from interface org.apache.catalina.Lifecycle

AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, DESTROY_EVENT, INIT_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

Constructors

Constructor and Description
StandardService()

Method Summary

Modifier and Type	Method and Description
void	addConnector(Connector connector) Add a new Connector to the set of defined Connectors, and associate it with this Service's Container.
void	addExecutor(Executor ex) Adds a named executor to the service
void	addLifecycleListener(LifecycleListener listener) Add a LifecycleEvent listener to this component.
void	addPropertyChangeListener(PropertyChangeListener listener) Add a property change listener to this component.
void	destroy()
Connector[]	findConnectors() Find and return the set of Connectors associated with this Service.
Executor[]	findExecutors() Retrieves all executors
LifecycleListener[]	findLifecycleListeners() Get the lifecycle listeners associated with this lifecycle.
ObjectName[]	getConnectorNames()
Container	getContainer() Return the Container that handles requests for all Connectors associated with this Service.
ObjectName	getContainerName()
String	getDomain()
String	getEntropy() Return the entropy increaser value, or compute a semi-useful value if this String has not yet been set.
Executor	getExecutor(String name) Retrieves executor by name, null if not found
String	getInfo() Return descriptive information about this Service implementation and the corresponding version number, in the format <description>/<version>.
Mapper	getMapper() Return the Mapper that handles mapping for all Connectors associated with this Service.
String	getName() Return the name of this Service.
ObjectName	getObjectName()
SecureRandom	getRandom() Get the global secure random that will be used for this service.
Server	getServer() Return the Server with which we are associated (if any).
void	init()
void	initialize() Invoke a pre-startup initialization.
void	postDeregister()
void	postRegister(Boolean registrationDone)
void	preDeregister()
ObjectName	preRegister(MBeanServer server, ObjectName name)
void	removeConnector(Connector connector) Remove the specified Connector from the set associated from this Service.
void	removeExecutor(Executor ex) Removes an executor from the service
void	removeLifecycleListener(LifecycleListener listener) Remove a LifecycleEvent listener from this component.
void	removePropertyChangeListener(PropertyChangeListener listener) Remove a property change listener from this component.
void	setContainer(Container container) Set the Container that handles requests for all Connectors associated with this Service.
void	setEntropy(String entropy) Set the entropy increaser value.
void	setName(String name) Set the name of this Service.
void	setServer(Server server) Set the Server with which we are associated (if any).
void	start() Prepare for the beginning of active use of the public methods of this component.
void	stop() Gracefully terminate the active use of the public methods of this component.
String	toString() Return a String representation of this component.

Methods inherited from class java.lang.Object

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

Field Detail

DELAY_CONNECTOR_STARTUP

public static final boolean DELAY_CONNECTOR_STARTUP

Alternate flag to enable delaying startup of connectors in embedded mode.

support

protected PropertyChangeSupport support

The property change support for this component.

connectors

protected Connector[] connectors

The set of Connectors associated with this Service.

executors

protected ArrayList<Executor> executors

container

protected Container container

The Container associated with this Service. (In the case of the org.apache.catalina.startup.Embedded subclass, this holds the most recently added Engine.)

mapper

protected Mapper mapper

Mapper.

mapperListener

protected ServiceMapperListener mapperListener

The associated mapper.

initialized

protected boolean initialized

Has this component been initialized?

entropy

protected String entropy

A String initialization parameter used to increase the entropy of the initialization of our random number generator.

random

protected SecureRandom random

The random associated with this service.

type

protected String type

domain

protected String domain

suffix

protected String suffix

oname

protected ObjectName oname

controller

protected ObjectName controller

mserver

protected MBeanServer mserver

Constructor Detail

StandardService

public StandardService()

Method Detail

getContainer

public Container getContainer()

Return the Container that handles requests for all Connectors associated with this Service.

Specified by:

getContainer in interface Service

setContainer

public void setContainer(Container container)

Set the Container that handles requests for all Connectors associated with this Service.

Specified by:

setContainer in interface Service

Parameters:

container - The new Container

getMapper

public Mapper getMapper()

Description copied from interface: Service

Return the Mapper that handles mapping for all Connectors associated with this Service.

Specified by:

getMapper in interface Service

getContainerName

public ObjectName getContainerName()

getInfo

public String getInfo()

Return descriptive information about this Service implementation and the corresponding version number, in the format <description>/<version>.

Specified by:

getInfo in interface Service

getName

public String getName()

Return the name of this Service.

Specified by:

getName in interface Service

setName

public void setName(String name)

Set the name of this Service.

Specified by:

setName in interface Service

Parameters:

name - The new service name

getServer

public Server getServer()

Return the Server with which we are associated (if any).

Specified by:

getServer in interface Service

setServer

public void setServer(Server server)

Set the Server with which we are associated (if any).

Specified by:

setServer in interface Service

Parameters:

server - The server that owns this Service

getEntropy

public String getEntropy()

Description copied from interface: Service

Return the entropy increaser value, or compute a semi-useful value if this String has not yet been set.

Specified by:

getEntropy in interface Service

setEntropy

public void setEntropy(String entropy)

Description copied from interface: Service

Set the entropy increaser value.

Specified by:

setEntropy in interface Service

Parameters:

entropy - The new entropy increaser value

getRandom

public SecureRandom getRandom()

Description copied from interface: Service

Get the global secure random that will be used for this service.

Specified by:

getRandom in interface Service

addConnector

public void addConnector(Connector connector)

Add a new Connector to the set of defined Connectors, and associate it with this Service's Container.

Specified by:

addConnector in interface Service

Parameters:

connector - The Connector to be added

getConnectorNames

public ObjectName[] getConnectorNames()

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

Add a property change listener to this component.

Parameters:

listener - The listener to add

findConnectors

public Connector[] findConnectors()

Find and return the set of Connectors associated with this Service.

Specified by:

findConnectors in interface Service

removeConnector

public void removeConnector(Connector connector)

Remove the specified Connector from the set associated from this Service. The removed Connector will also be disassociated from our Container.

Specified by:

removeConnector in interface Service

Parameters:

connector - The Connector to be removed

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

Remove a property change listener from this component.

Parameters:

listener - The listener to remove

toString

public String toString()

Return a String representation of this component.

Overrides:

toString in class Object

addLifecycleListener

public void addLifecycleListener(LifecycleListener listener)

Add a LifecycleEvent listener to this component.

Specified by:

addLifecycleListener in interface Lifecycle

Parameters:

listener - The listener to add

findLifecycleListeners

public LifecycleListener[] findLifecycleListeners()

Get the lifecycle listeners associated with this lifecycle. If this Lifecycle has no listeners registered, a zero-length array is returned.

Specified by:

findLifecycleListeners in interface Lifecycle

removeLifecycleListener

public void removeLifecycleListener(LifecycleListener listener)

Remove a LifecycleEvent listener from this component.

Specified by:

removeLifecycleListener in interface Lifecycle

Parameters:

listener - The listener to remove

addExecutor

public void addExecutor(Executor ex)

Adds a named executor to the service

Specified by:

addExecutor in interface Service

Parameters:

ex - Executor

findExecutors

public Executor[] findExecutors()

Retrieves all executors

Specified by:

findExecutors in interface Service

Returns:

Executor[]

getExecutor

public Executor getExecutor(String name)

Retrieves executor by name, null if not found

Specified by:

getExecutor in interface Service

Parameters:

name - String

Returns:

Executor

removeExecutor

public void removeExecutor(Executor ex)

Removes an executor from the service

Specified by:

removeExecutor in interface Service

Parameters:

ex - Executor

start

public void start()
           throws LifecycleException

Prepare for the beginning of active use of the public methods of this component. This method should be called before any of the public methods of this component are utilized. It should also send a LifecycleEvent of type START_EVENT to any registered listeners.

Specified by:

start in interface Lifecycle

Throws:

LifecycleException - if this component detects a fatal error that prevents this component from being used

stop

public void stop()
          throws LifecycleException

Gracefully terminate the active use of the public methods of this component. This method should be the last one called on a given instance of this component. It should also send a LifecycleEvent of type STOP_EVENT to any registered listeners.

Specified by:

stop in interface Lifecycle

Throws:

LifecycleException - if this component detects a fatal error that needs to be reported

initialize

public void initialize()
                throws LifecycleException

Invoke a pre-startup initialization. This is used to allow connectors to bind to restricted ports under Unix operating environments.

Specified by:

initialize in interface Service

Throws:

LifecycleException - If this server was already initialized.

destroy

public void destroy()
             throws LifecycleException

Throws:

LifecycleException

init

public void init()

getObjectName

public ObjectName getObjectName()

getDomain

public String getDomain()

preRegister

public ObjectName preRegister(MBeanServer server,
                              ObjectName name)
                       throws Exception

Specified by:

preRegister in interface MBeanRegistration

Throws:

Exception

postRegister

public void postRegister(Boolean registrationDone)

Specified by:

postRegister in interface MBeanRegistration

preDeregister

public void preDeregister()
                   throws Exception

Specified by:

preDeregister in interface MBeanRegistration

Throws:

Exception

postDeregister

public void postDeregister()

Specified by:

postDeregister in interface MBeanRegistration