Package org.opennms.netmgt.poller.pollables

Class PollableNode

java.lang.Object

org.opennms.netmgt.poller.pollables.PollableElement

org.opennms.netmgt.poller.pollables.PollableContainer

org.opennms.netmgt.poller.pollables.PollableNode

public class PollableNode
extends PollableContainer

Represents a PollableNode

Author:

Mathew Brozowski

Nested Class Summary

Nested classes/interfaces inherited from class org.opennms.netmgt.poller.pollables.PollableContainer

PollableContainer.Accumulator<T>, PollableContainer.Iter, PollableContainer.SimpleIter<T>

Constructor Summary

Constructors

Constructor	Description
PollableNode(PollableNetwork network, int nodeId, String nodeLabel, String nodeLocation)	Constructor for PollableNode.

Method Summary

Modifier and Type	Method	Description
Event	createDownEvent(Date date)	createDownEvent
PollableInterface	createInterface(InetAddress addr)	createInterface
protected Object	createMemberKey(PollableElement member)	createMemberKey
PollableService	createService(InetAddress addr, String svcName)	createService
Event	createUpEvent(Date date)	createUpEvent
PollStatus	doPoll(PollableElement elem)	doPoll
PollContext	getContext()	getContext
PollableInterface	getInterface(InetAddress addr)	getInterface
List<PollableInterface>	getInterfaces()
protected PollableElement	getLockRoot()	getLockRoot
PollableNetwork	getNetwork()	getNetwork
int	getNodeId()	getNodeId
String	getNodeLabel()	getNodeLabel
String	getNodeLocation()
PollableService	getService(InetAddress addr, String svcName)	getService
protected void	obtainTreeLock()	This method does not have a timeout, it blocks indefinitely until the lock is obtained.
protected void	obtainTreeLock(long timeout)	This method tries to obtain the lock within the given timeout.
protected void	releaseTreeLock()	releaseTreeLock
void	setNodeLabel(String label)
String	toString()	toString
protected void	visitThis(PollableVisitor v)	visitThis

Methods inherited from class org.opennms.netmgt.poller.pollables.PollableContainer

addMember, delete, deleteMember, deriveValueFromMembers, deriveValueFromMembers, doExtrapolateCause, doInheritParentalCause, forEachMember, forEachMember, getMember, getMemberCount, getMembers, getMemberStatus, poll, poll, pollRemainingMembers, processCause, processMemberStatusChanges, processResolution, processStatusChange, recalculateStatus, removeMember, resetStatusChanged, resolveAllOutages, selectPollElement, visit, visitMembers

Methods inherited from class org.opennms.netmgt.poller.pollables.PollableElement

createOutage, extrapolateCause, getCause, getParent, getScope, getStatus, hasOpenOutage, inheritParentalCause, isDeleted, isStatusChanged, processComingUp, processGoingDown, processLingeringCauses, resolveOutage, setCause, setParent, updateStatus, withTreeLock, withTreeLock, withTreeLock, withTreeLock

Methods inherited from class java.lang.Object

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

Constructor Detail

PollableNode

public PollableNode(PollableNetwork network,
                    int nodeId,
                    String nodeLabel,
                    String nodeLocation)

Constructor for PollableNode.

Parameters:

network - a PollableNetwork object.

nodeId - a int.

nodeLabel - a String object.

nodeLocation - a String object.

Method Detail

getNodeId

public int getNodeId()

getNodeId

Returns:

a int.

getNodeLabel

public String getNodeLabel()

getNodeLabel

Returns:

a String object.

setNodeLabel

public void setNodeLabel(String label)

getNodeLocation

public String getNodeLocation()

createInterface

public PollableInterface createInterface(InetAddress addr)

createInterface

Parameters:

addr - a InetAddress object.

Returns:

a PollableInterface object.

getInterface

public PollableInterface getInterface(InetAddress addr)

getInterface

Parameters:

addr - a InetAddress object.

Returns:

a PollableInterface object.

getInterfaces

public List<PollableInterface> getInterfaces()

getNetwork

public PollableNetwork getNetwork()

getNetwork

Returns:

a PollableNetwork object.

getContext

public PollContext getContext()

getContext

Specified by:

getContext in class PollableElement

Returns:

a PollContext object.

createMemberKey

protected Object createMemberKey(PollableElement member)

createMemberKey

Specified by:

createMemberKey in class PollableContainer

Parameters:

member - a PollableElement object.

Returns:

a Object object.

createService

public PollableService createService(InetAddress addr,
                                     String svcName)

createService

Parameters:

svcName - a String object.

addr - a InetAddress object.

Returns:

a PollableService object.

getService

public PollableService getService(InetAddress addr,
                                  String svcName)

getService

Parameters:

svcName - a String object.

addr - a InetAddress object.

Returns:

a PollableService object.

visitThis

protected void visitThis(PollableVisitor v)

visitThis

Overrides:

visitThis in class PollableContainer

Parameters:

v - a PollableVisitor object.

createDownEvent

public Event createDownEvent(Date date)

createDownEvent

Specified by:

createDownEvent in class PollableElement

Parameters:

date - a Date object.

Returns:

a Event object.

createUpEvent

public Event createUpEvent(Date date)

createUpEvent

Specified by:

createUpEvent in class PollableElement

Parameters:

date - a Date object.

Returns:

a Event object.

toString

public String toString()

toString

Overrides:

toString in class Object

Returns:

a String object.

getLockRoot

protected PollableElement getLockRoot()

getLockRoot

Overrides:

getLockRoot in class PollableElement

Returns:

a PollableElement object.

obtainTreeLock

protected void obtainTreeLock()

This method does not have a timeout, it blocks indefinitely until the lock is obtained.

Overrides:

obtainTreeLock in class PollableElement

obtainTreeLock

protected void obtainTreeLock(long timeout)
                       throws LockUnavailable

This method tries to obtain the lock within the given timeout.

Overrides:

obtainTreeLock in class PollableElement

Parameters:

Timeout - in milliseconds

Throws:

LockUnavailable - If the lock cannot be acquired before the timeout or the thread is interrupted while trying to acquire the lock.

releaseTreeLock

protected void releaseTreeLock()

releaseTreeLock

Overrides:

releaseTreeLock in class PollableElement

doPoll

public PollStatus doPoll(PollableElement elem)

doPoll

Overrides:

doPoll in class PollableElement

Returns:

a PollStatus object.