Class MultiSessionChannelAdaptor

java.lang.Object

org.jpos.q2.QBeanSupport

org.jpos.q2.iso.ChannelAdaptor

org.jpos.q2.iso.MultiSessionChannelAdaptor

All Implemented Interfaces:

Configurable, ExceptionHandlerConfigAware, Channel, ChannelAdaptorMBean, MultiSessionChannelAdaptorMBean, QBean, QBeanSupportMBean, QPersist, Loggeable

public class MultiSessionChannelAdaptor
extends ChannelAdaptor
implements MultiSessionChannelAdaptorMBean, Channel, Loggeable

Q2 QBean that manages multiple concurrent sessions over a single ISOChannel.

Since:

1.8.5

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	MultiSessionChannelAdaptor.Receiver	Per-session worker that drains the channel and posts inbound messages to the out-queue.
class	MultiSessionChannelAdaptor.Sender	Per-session worker that pulls requests from the in-queue and writes them to the channel.

Field Summary

Fields inherited from class ChannelAdaptor

sp

Modifier and Type	Field	Description
protected Space	sp	The space used for inter-process message passing.

Fields inherited from class QBeanSupport

cfg, log, scheduledThreadPoolExecutor

Modifier and Type	Field	Description
protected Configuration	cfg	Configuration applied to this bean by the container.
protected Log	log	Logger associated with this bean.
protected ScheduledThreadPoolExecutor	scheduledThreadPoolExecutor	Lazily-allocated scheduler shared with subclasses; see QBeanSupport.getScheduledThreadPoolExecutor().

Fields inherited from interface QBean

DESTROYED, FAILED, STARTED, STARTING, stateString, STOPPED, STOPPING

Modifier and Type	Field	Description
static final int	DESTROYED	QBean has been destroyed.
static final int	FAILED	QBean has failed.
static final int	STARTED	QBean is running.
static final int	STARTING	QBean is in the process of starting.
static final String[]	stateString	Human-readable names for each QBean state, indexed by state constant.
static final int	STOPPED	QBean is stopped.
static final int	STOPPING	QBean is in the process of stopping.

Constructor Summary

Constructors

Constructor	Description
MultiSessionChannelAdaptor()	Default constructor.

Method Summary

Modifier and Type	Method	Description
int	getSessions()	Returns the configured number of channel sessions.
void	initService()	Called during the init lifecycle phase; subclasses may override.
protected void	initSpaceAndQueues()	Initialises the Space and in/out queues used by this adaptor.
void	setSessions(int sessions)	Sets the number of parallel channel sessions to maintain.
void	startService()	Called during the start lifecycle phase; subclasses may override.

Methods inherited from class ChannelAdaptor

addFilters, append, checkConnection, defaultRealm, destroyService, disconnect, dump, getConnectsCounter, getCountersAsString, getHost, getIdleTimeInMillis, getInQueue, getLastTxnTimestampInMillis, getOutQueue, getPort, getReconnectDelay, getRXCounter, getSocketFactory, getTXCounter, grabSpace, initChannel, isConnected, newChannel, newChannel, receive, receive, resetCounters, send, send, setHost, setInQueue, setOutQueue, setPort, setReconnectDelay, setSocketFactory, stopService

Modifier and Type	Method	Description
protected void	addFilters(FilteredChannel channel, org.jdom2.Element e, QFactory fact)	Registers filters defined in the configuration element with the channel.
protected void	append(StringBuilder sb, String name, int value)	Appends a name=value counter entry to the string builder.
protected void	checkConnection()	Waits until the reconnect token clears, then attempts to reconnect.
protected String	defaultRealm()	Returns the default realm for this bean; subclasses may override.
void	destroyService()	Called during the destroy lifecycle phase; subclasses may override.
protected void	disconnect()	Disconnects the channel and releases associated resources.
void	dump(PrintStream p, String indent)	Dumps a human-readable representation of this object to the print stream.
int	getConnectsCounter()	Returns the number of successful connections since last reset.
String	getCountersAsString()	Returns all counters as a human-readable string.
String	getHost()	Returns the remote host name or address.
long	getIdleTimeInMillis()	Returns the idle time since the last transaction.
String	getInQueue()	Returns the incoming space queue name.
long	getLastTxnTimestampInMillis()	Returns the timestamp of the last transaction.
String	getOutQueue()	Returns the outgoing space queue name.
int	getPort()	Returns the remote port number.
long	getReconnectDelay()	Returns the reconnect delay.
int	getRXCounter()	Returns the received message count.
String	getSocketFactory()	Returns the socket factory class name.
int	getTXCounter()	Returns the transmitted message count.
protected Space	grabSpace(org.jdom2.Element e)	Returns the Space referenced by the given element, or the default space if null.
protected ISOChannel	initChannel()	Initialises and returns the ISOChannel from the current configuration.
boolean	isConnected()	Returns true if the channel is currently connected.
ISOChannel	newChannel(org.jdom2.Element e, QFactory f)	Parses a <channel> element, returning an ISOChannel.
ISOChannel	newChannel(org.jdom2.Element e, QFactory f, String fallbackRealm)	Parses a <channel> element, using the provided fallback realm when none is configured.
ISOMsg	receive()	Receive message
ISOMsg	receive(long timeout)	Receive message
void	resetCounters()	Resets all message counters to zero.
void	send(ISOMsg m)	Queue a message to be transmitted by this adaptor
void	send(ISOMsg m, long timeout)	Queue a message to be transmitted by this adaptor
void	setHost(String host)	Sets the remote host name or address.
void	setInQueue(String in)	Sets the incoming space queue name.
void	setOutQueue(String out)	Sets the outgoing space queue name.
void	setPort(int port)	Sets the remote port number.
void	setReconnectDelay(long delay)	Sets the reconnect delay.
void	setSocketFactory(String sFac)	Sets the socket factory class name.
void	stopService()	Called during the stop lifecycle phase; subclasses may override.

Methods inherited from class QBeanSupport

addAttr, close, createElement, destroy, getAttrs, getAttrs, getConfiguration, getDump, getFactory, getLoader, getLoaderURLS, getLog, getLogger, getName, getPersist, getProperties, getProperty, getRealm, getScheduledThreadPoolExecutor, getServer, getState, getStateAsString, init, isModified, running, setAttr, setConfiguration, setLogger, setModified, setName, setPersist, setProperty, setRealm, setServer, setState, start, stop

Modifier and Type	Method	Description
protected void	addAttr(org.jdom2.Element e, String name, Object obj, String type)	Appends an <attr> child element with name/type/value to e.
protected void	close(Closeable... closeables)	Closes a sequence of Closeable resources, logging any failures as a warning.
protected org.jdom2.Element	createElement(String name, Class mbeanClass)	Builds a JDOM Element reflecting the bean's persistent attributes, driven by the JavaBean introspection of mbeanClass.
void	destroy()	destroy the service
protected Iterator	getAttrs()	Iterates over top-level <attr> children of the persisted element.
protected Iterator	getAttrs(String parent)	Iterates over <attr> children nested under the given parent element name.
Configuration	getConfiguration()	Returns the configuration applied to this bean.
String	getDump()	Returns a textual dump of this bean's state.
QFactory	getFactory()	Returns the QFactory associated with the hosting Q2 server.
QClassLoader	getLoader()	Returns the QClassLoader for this bean.
URL[]	getLoaderURLS()	Returns the URLs registered with the class loader.
Log	getLog()	Returns the Log used by this bean.
String	getLogger()	Returns the logger name.
String	getName()	Returns the bean name.
org.jdom2.Element	getPersist()	Returns the persistent configuration element for this QBean.
protected Iterator	getProperties(String parent)	Iterates over <property> children nested under the given parent element name.
protected String	getProperty(Iterator props, String name)	Returns the value of the named property from an iterator of <property> elements.
String	getRealm()	Returns the logging realm.
protected ScheduledThreadPoolExecutor	getScheduledThreadPoolExecutor()	Lazily creates and returns a ScheduledThreadPoolExecutor for use by subclasses.
Q2	getServer()	Returns the Q2 server instance.
int	getState()	Returns the current state of this QBean.
String	getStateAsString()	Returns the current state as a human-readable string.
void	init()	init the service
boolean	isModified()	Returns true if this QBean's configuration has been modified since last save.
boolean	running()	Indicates whether this bean is currently starting or running.
protected void	setAttr(Iterator attrs, String name, Object obj)	Updates the value of the named attribute within an iterator of <attr> elements.
void	setConfiguration(Configuration cfg)	Configures this object with the supplied Configuration.
void	setLogger(String loggerName)	Sets the logger by name.
void	setModified(boolean modified)	Marks this bean's persistent state as modified or in sync.
void	setName(String name)	Sets the bean name.
void	setPersist(org.jdom2.Element persist)	Sets the persistent configuration element.
protected void	setProperty(Iterator props, String name, String value)	Updates the value attribute of the named property within an iterator of <property> elements.
void	setRealm(String realm)	Sets the logging realm.
void	setServer(Q2 server)	Sets the Q2 server instance for this QBean.
void	setState(int state)	Sets the lifecycle state of this bean.
void	start()	start the service
void	stop()	stop the service

Methods inherited from class Object

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

Methods inherited from interface ExceptionHandlerConfigAware

addExceptionHandlers

Modifier and Type	Method	Description
default void	addExceptionHandlers(ExceptionHandlerAware receiver, org.jdom2.Element elem, QFactory fact)	Parses exception-handler child elements from elem and registers them with receiver.

Methods inherited from interface Loggeable

dump

Modifier and Type	Method	Description
default void	dump(PrintStream p, String indent, LogRenderer.Type type)	Dumps a representation of this object using the specified renderer type.

Constructor Details

MultiSessionChannelAdaptor

public MultiSessionChannelAdaptor()

Default constructor.

Method Details

initService

public void initService()
                 throws ConfigurationException

Description copied from class: QBeanSupport

Called during the init lifecycle phase; subclasses may override.

Overrides:

initService in class ChannelAdaptor

Throws:

ConfigurationException

startService

public void startService()

Description copied from class: QBeanSupport

Called during the start lifecycle phase; subclasses may override.

Overrides:

startService in class ChannelAdaptor

getSessions

public int getSessions()

Description copied from interface: MultiSessionChannelAdaptorMBean

Returns the configured number of channel sessions.

Specified by:

getSessions in interface MultiSessionChannelAdaptorMBean

Returns:

session count

setSessions

public void setSessions(int sessions)

Description copied from interface: MultiSessionChannelAdaptorMBean

Sets the number of parallel channel sessions to maintain.

Specified by:

setSessions in interface MultiSessionChannelAdaptorMBean

Parameters:

sessions - session count

initSpaceAndQueues

protected void initSpaceAndQueues()
                           throws ConfigurationException

Description copied from class: ChannelAdaptor

Initialises the Space and in/out queues used by this adaptor.

Overrides:

initSpaceAndQueues in class ChannelAdaptor

Throws:

ConfigurationException - on error