Module com.aoindustries.noc.monitor.impl

Package com.aoindustries.noc.monitor

Class NodeImpl

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

com.aoindustries.noc.monitor.NodeImpl

All Implemented Interfaces:

Node, Serializable, Remote

Direct Known Subclasses:

BackupsNode, BindsNode, CertificatesNode, DatabasesNode, DeviceNode, DevicesNode, HardDrivesNode, HostNode, HostsNode, HttpdServersNode, IpAddressesNode, IpAddressNode, RaidNode, RootNodeImpl, ServerNode, ServersNode, SingleResultNodeImpl, SlaveNode, SlavesNode, TableMultiResultNodeImpl, TableResultNodeImpl, UnallocatedNode

public abstract class NodeImpl
extends UnicastRemoteObject
implements Node

One in the list of nodes that form the systems tree.

Author:

AO Industries, Inc.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final RMIClientSocketFactory	csf
protected final int	port
protected final RMIServerSocketFactory	ssf

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	NodeImpl(int port, RMIClientSocketFactory csf, RMIServerSocketFactory ssf)

Method Summary

Modifier and Type	Method	Description
protected AlertLevel	constrainAlertLevel(AlertLevel level)	Makes sure the alert level does not exceed the maximum for this node or any of its parents.
AlertCategory	getAlertCategory()	Defaults to the alert category of the parent node.
abstract AlertLevel	getAlertLevel()	This alert level must be constrained by the maximum alert level of this node and all of its parents.
abstract String	getAlertMessage()
abstract boolean	getAllowsChildren()
abstract List<? extends NodeImpl>	getChildren()
abstract String	getLabel()
protected AlertLevel	getMaxAlertLevel()	Every node may optionally constrain the maximum alert level for itself and all of its children.
abstract NodeImpl	getParent()
protected static <E extends NodeImpl> List<E>	getSnapshot(E child)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
protected static <E extends NodeImpl> List<E>	getSnapshot(E... children)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
protected static <E extends NodeImpl> List<E>	getSnapshot(E child1, E child2)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
protected static <E extends NodeImpl> List<E>	getSnapshot(E child1, E child2, E child3)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
protected static <E extends NodeImpl> List<E>	getSnapshot(E child1, E child2, E child3, E child4)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
protected static <E extends NodeImpl> List<E>	getSnapshot(List<E> children)	For thread safety and encapsulation, returns an unmodifiable copy of the list.
String	toString()	The default toString is the label.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

port

protected final int port

csf

protected final RMIClientSocketFactory csf

ssf

protected final RMIServerSocketFactory ssf

Constructor Details

NodeImpl

protected NodeImpl(int port,
 RMIClientSocketFactory csf,
 RMIServerSocketFactory ssf)
            throws RemoteException

Throws:

RemoteException

Method Details

getParent

public abstract NodeImpl getParent()

Specified by:

getParent in interface Node

getChildren

public abstract List<? extends NodeImpl> getChildren()

Specified by:

getChildren in interface Node

getSnapshot

protected static <E extends NodeImpl> List<E> getSnapshot(List<E> children)

For thread safety and encapsulation, returns an unmodifiable copy of the list.

getSnapshot

protected static <E extends NodeImpl> List<E> getSnapshot(E child)

For thread safety and encapsulation, returns an unmodifiable copy of the list. Any null child is skipped.

getSnapshot

protected static <E extends NodeImpl> List<E> getSnapshot(E child1,
 E child2)

For thread safety and encapsulation, returns an unmodifiable copy of the list. Any null child is skipped.

getSnapshot

protected static <E extends NodeImpl> List<E> getSnapshot(E child1,
 E child2,
 E child3)

For thread safety and encapsulation, returns an unmodifiable copy of the list. Any null child is skipped.

getSnapshot

protected static <E extends NodeImpl> List<E> getSnapshot(E child1,
 E child2,
 E child3,
 E child4)

For thread safety and encapsulation, returns an unmodifiable copy of the list. Any null child is skipped.

getSnapshot

@SafeVarargs
protected static <E extends NodeImpl> List<E> getSnapshot(E... children)

For thread safety and encapsulation, returns an unmodifiable copy of the list. Any null child is skipped.

getMaxAlertLevel

protected AlertLevel getMaxAlertLevel()

Every node may optionally constrain the maximum alert level for itself and all of its children.

constrainAlertLevel

protected AlertLevel constrainAlertLevel(AlertLevel level)

Makes sure the alert level does not exceed the maximum for this node or any of its parents. Will reduce the level to not exceed any maximum.

getAlertLevel

public abstract AlertLevel getAlertLevel()

This alert level must be constrained by the maximum alert level of this node and all of its parents.

Specified by:

getAlertLevel in interface Node

See Also:

• constrainAlertLevel(com.aoindustries.noc.monitor.common.AlertLevel)

getAlertMessage

public abstract String getAlertMessage()

Specified by:

getAlertMessage in interface Node

getAlertCategory

public AlertCategory getAlertCategory()

Defaults to the alert category of the parent node.

Specified by:

getAlertCategory in interface Node

Throws:

NullPointerException - when there is no parent

See Also:

• getParent()

getAllowsChildren

public abstract boolean getAllowsChildren()

Specified by:

getAllowsChildren in interface Node

getLabel

public abstract String getLabel()

Specified by:

getLabel in interface Node

toString

public String toString()

The default toString is the label.

Overrides:

toString in class RemoteObject