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Java Source Code / Java Documentation » Sevlet Container » tomcat cluster » org.apache.catalina.cluster.tcp

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.catalina.cluster.tcp .SimpleTcpCluster

SimpleTcpCluster
public class SimpleTcpCluster implements CatalinaCluster,Lifecycle,MembershipListener,ListenCallback,LifecycleListener(Code)
	A Cluster implementation using simple multicast. Responsible for setting up a cluster and provides callers with a valid multicast receiver/sender. author: Filip Hanik author: Remy Maucherat version: $Revision: 1.41 $, $Date: 2004/06/04 20:22:27 $

Field Summary
protected String	clusterImpName
protected Vector	clusterListeners
protected String	clusterName
protected Container	container The Container associated with this Cluster.
protected int	debug
protected boolean	expireSessionsOnShutdown
final protected static String	info Descriptive information about this component implementation.
protected LifecycleSupport	lifecycle The lifecycle event support for this component.
public static org.apache.commons.logging.Log	log
protected HashMap	managers The context name <-> manager association for distributed contexts.
protected MemberComparator	memberComparator
protected MembershipService	membershipService
protected boolean	printToScreen
protected StringManager	sm The string manager for this package.
protected boolean	started
protected PropertyChangeSupport	support The property change support for this component.
protected boolean	useDirtyFlag

Constructor Summary
public	SimpleTcpCluster()

Method Summary
public void	addClusterListener(MessageListener listener)
public void	addLifecycleListener(LifecycleListener listener) Add a lifecycle event listener to this component.
public void	addValve(Valve valve)
public synchronized Manager	createManager(String name)
public LifecycleListener[]	findLifecycleListeners() Get the lifecycle listeners associated with this lifecycle.
public org.apache.catalina.cluster.ClusterDeployer	getClusterDeployer()
public String	getClusterName() Return the name of the cluster that this Server is currently configured to operate within.
public org.apache.catalina.cluster.ClusterReceiver	getClusterReceiver()
public org.apache.catalina.cluster.ClusterSender	getClusterSender()
public Container	getContainer()
public int	getDebug()
public String	getInfo() Return descriptive information about this Cluster implementation and the corresponding version number, in the format `<description>/<version>`.
public Member	getLocalMember() Return the member that represents this node.
public Log	getLogger()
public Manager	getManager(String name)
public String	getManagerClassName()
public Member[]	getMembers()
public MembershipService	getMembershipService()
public String	getProtocol() Returns the protocol.
public void	installContext(String contextPath, URL war) Install a new web application, whose web application archive is at the specified URL, into this container with the specified context path. A context path of "" (the empty string) should be used for the root application for this container.
public void	lifecycleEvent(LifecycleEvent lifecycleEvent)
public void	memberAdded(Member member)
public void	memberDisappeared(Member member)
public void	messageDataReceived(byte[] data)
public void	removeClusterListener(MessageListener listener)
public void	removeLifecycleListener(LifecycleListener listener) Remove a lifecycle event listener from this component.
public void	removeManager(String name)
public void	send(ClusterMessage msg, Member dest)
public void	send(ClusterMessage msg)
public void	setClusterDeployer(org.apache.catalina.cluster.ClusterDeployer clusterDeployer)
public void	setClusterName(String clusterName) Set the name of the cluster to join, if no cluster with this name is present create one.
public void	setClusterReceiver(org.apache.catalina.cluster.ClusterReceiver clusterReceiver)
public void	setClusterSender(org.apache.catalina.cluster.ClusterSender clusterSender)
public void	setContainer(Container container)
public void	setDebug(int debug)
public void	setExpireSessionsOnShutdown(boolean expireSessionsOnShutdown)
public void	setManagerClassName(String managerClassName)
public void	setMembershipService(MembershipService membershipService)
public void	setPrintToScreen(boolean printToScreen)
public void	setProtocol(String protocol) Sets the configurable protocol stack.
public void	setUseDirtyFlag(boolean useDirtyFlag)
public void	start() Prepare for the beginning of active use of the public methods of this component.
public void	startContext(String contextPath) Start an existing web application, attached to the specified context path in all the other nodes in the cluster.
public void	stop() Gracefully terminate the active use of the public methods of this component.
public void	stop(String contextPath) Stop an existing web application, attached to the specified context path.

Field Detail

clusterImpName
protected String clusterImpName(Code)
	Name for logging purpose

clusterListeners
protected Vector clusterListeners(Code)
	Listeners of messages

clusterName
protected String clusterName(Code)
	The cluster name to join

container
protected Container container(Code)
	The Container associated with this Cluster.

debug
protected int debug(Code)
	The debug level for this Container

expireSessionsOnShutdown
protected boolean expireSessionsOnShutdown(Code)
	Whether to expire sessions when shutting down

info
final protected static String info(Code)
	Descriptive information about this component implementation.

lifecycle
protected LifecycleSupport lifecycle(Code)
	The lifecycle event support for this component.

log
public static org.apache.commons.logging.Log log(Code)

managers
protected HashMap managers(Code)
	The context name <-> manager association for distributed contexts.

memberComparator
protected MemberComparator memberComparator(Code)

membershipService
protected MembershipService membershipService(Code)
	the service that provides the membership

printToScreen
protected boolean printToScreen(Code)
	Print debug to std.out?

sm
protected StringManager sm(Code)
	The string manager for this package.

started
protected boolean started(Code)
	Has this component been started?

support
protected PropertyChangeSupport support(Code)
	The property change support for this component.

useDirtyFlag
protected boolean useDirtyFlag(Code)
	Replicate only sessions that have been marked dirty false=replicate sessions after each request

Constructor Detail

SimpleTcpCluster
public SimpleTcpCluster()(Code)

Method Detail

addClusterListener
public void addClusterListener(MessageListener listener)(Code)

addLifecycleListener
public void addLifecycleListener(LifecycleListener listener)(Code)
	Add a lifecycle event listener to this component. Parameters: listener - The listener to add

addValve
public void addValve(Valve valve)(Code)

createManager
public synchronized Manager createManager(String name)(Code)

findLifecycleListeners
public LifecycleListener[] findLifecycleListeners()(Code)
	Get the lifecycle listeners associated with this lifecycle. If this Lifecycle has no listeners registered, a zero-length array is returned.

getClusterDeployer
public org.apache.catalina.cluster.ClusterDeployer getClusterDeployer()(Code)

getClusterName
public String getClusterName()(Code)
	Return the name of the cluster that this Server is currently configured to operate within. The name of the cluster associated with this server

getClusterReceiver
public org.apache.catalina.cluster.ClusterReceiver getClusterReceiver()(Code)

getClusterSender
public org.apache.catalina.cluster.ClusterSender getClusterSender()(Code)

getContainer
public Container getContainer()(Code)
	Get the Container associated with our Cluster The Container associated with our Cluster

getDebug
public int getDebug()(Code)
	Get the debug level for this component The debug level

getInfo
public String getInfo()(Code)
	Return descriptive information about this Cluster implementation and the corresponding version number, in the format `<description>/<version>`.

getLocalMember
public Member getLocalMember()(Code)
	Return the member that represents this node. Member

getLogger
public Log getLogger()(Code)

getManager
public Manager getManager(String name)(Code)

getManagerClassName
public String getManagerClassName()(Code)

getMembers
public Member[] getMembers()(Code)

getMembershipService
public MembershipService getMembershipService()(Code)

getProtocol
public String getProtocol()(Code)
	Returns the protocol.

installContext
public void installContext(String contextPath, URL war)(Code)
	Install a new web application, whose web application archive is at the specified URL, into this container with the specified context path. A context path of "" (the empty string) should be used for the root application for this container. Otherwise, the context path must start with a slash. If this application is successfully installed, a ContainerEvent of type `PRE_INSTALL_EVENT` will be sent to registered listeners before the associated Context is started, and a ContainerEvent of type `INSTALL_EVENT` will be sent to all registered listeners after the associated Context is started, with the newly created `Context` as an argument. Parameters: contextPath - The context path to which this application shouldbe installed (must be unique) Parameters: war - A URL of type "jar:" that points to a WAR file, or type"file:" that points to an unpacked directory structure containingthe web application to be installed exception: IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash) exception: IllegalStateException - if the specified context pathis already attached to an existing web application

lifecycleEvent
public void lifecycleEvent(LifecycleEvent lifecycleEvent)(Code)

memberAdded
public void memberAdded(Member member)(Code)

memberDisappeared
public void memberDisappeared(Member member)(Code)

messageDataReceived
public void messageDataReceived(byte[] data)(Code)

removeClusterListener
public void removeClusterListener(MessageListener listener)(Code)

removeLifecycleListener
public void removeLifecycleListener(LifecycleListener listener)(Code)
	Remove a lifecycle event listener from this component. Parameters: listener - The listener to remove

removeManager
public void removeManager(String name)(Code)

send
public void send(ClusterMessage msg, Member dest)(Code)

send
public void send(ClusterMessage msg)(Code)

setClusterDeployer
public void setClusterDeployer(org.apache.catalina.cluster.ClusterDeployer clusterDeployer)(Code)

setClusterName
public void setClusterName(String clusterName)(Code)
	Set the name of the cluster to join, if no cluster with this name is present create one. Parameters: clusterName - The clustername to join

setClusterReceiver
public void setClusterReceiver(org.apache.catalina.cluster.ClusterReceiver clusterReceiver)(Code)

setClusterSender
public void setClusterSender(org.apache.catalina.cluster.ClusterSender clusterSender)(Code)

setContainer
public void setContainer(Container container)(Code)
	Set the Container associated with our Cluster Parameters: container - The Container to use

setDebug
public void setDebug(int debug)(Code)
	Set the debug level for this component Parameters: debug - The debug level

setExpireSessionsOnShutdown
public void setExpireSessionsOnShutdown(boolean expireSessionsOnShutdown)(Code)

setManagerClassName
public void setManagerClassName(String managerClassName)(Code)

setMembershipService
public void setMembershipService(MembershipService membershipService)(Code)

setPrintToScreen
public void setPrintToScreen(boolean printToScreen)(Code)

setProtocol
public void setProtocol(String protocol)(Code)
	Sets the configurable protocol stack. This is a setting in server.xml where you can configure your protocol. Parameters: protocol - the protocol stack - this method is called bythe server configuration at startup See Also: JavaGroups for details

setUseDirtyFlag
public void setUseDirtyFlag(boolean useDirtyFlag)(Code)

start
public void start() throws LifecycleException(Code)
	Prepare for the beginning of active use of the public methods of this component. This method should be called after `configure()`, and before any of the public methods of the component are utilized. Starts the cluster communication channel, this will connect with the other nodes in the cluster, and request the current session state to be transferred to this node. exception: IllegalStateException - if this component has already beenstarted exception: LifecycleException - if this component detects a fatal errorthat prevents this component from being used

startContext
public void startContext(String contextPath) throws IOException(Code)
	Start an existing web application, attached to the specified context path in all the other nodes in the cluster. Only starts a web application if it is not running. Parameters: contextPath - The context path of the application to be started exception: IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash) exception: IllegalArgumentException - if the specified context path doesnot identify a currently installed web application exception: IOException - if an input/output error occurs duringstartup

stop
public void stop() throws LifecycleException(Code)
	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. This will disconnect the cluster communication channel and stop the listener thread. exception: IllegalStateException - if this component has not been started exception: LifecycleException - if this component detects a fatal errorthat needs to be reported

stop
public void stop(String contextPath) throws IOException(Code)
	Stop an existing web application, attached to the specified context path. Only stops a web application if it is running. Parameters: contextPath - The context path of the application to be stopped exception: IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash) exception: IllegalArgumentException - if the specified context path doesnot identify a currently installed web application exception: IOException - if an input/output error occurs while stoppingthe web application

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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