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java.lang.Object org.xmlBlaster.engine.admin.extern.snmp.NodeTableSubject
public class NodeTableSubject
NodeTableSubject holds onto node entries. The NodeTableSubject also allows Observers to add and remove themselves. In order to add or remove a node entry notifyObservers() is called.
Field Summary | |
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static int |
INSERT
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NodeEntryImplPeer |
nodeEntryImplPeer
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java.util.ArrayList |
observers
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int |
opCode
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static int |
REMOVE
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Constructor Summary | |
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NodeTableSubject()
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Method Summary | |
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void |
addEntry(NodeEntryImplPeer nodeEntryImplPeer)
Calls notifyObservers() in order to add a new node entry to node table. |
void |
addObserver(Observer o)
Adds an observer to observer list. |
private void |
notifyObservers()
Calls update method for all observers in observer list. |
void |
removeEntry(NodeEntryImplPeer nodeEntryImplPeer)
Calls notifyObservers() in order to remove a node entry from node table. |
void |
removeObserver(Observer o)
Removes an observer from observer list. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public NodeEntryImplPeer nodeEntryImplPeer
public java.util.ArrayList observers
public int opCode
public static final int INSERT
public static final int REMOVE
Constructor Detail |
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public NodeTableSubject()
Method Detail |
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public void addEntry(NodeEntryImplPeer nodeEntryImplPeer)
NodeEntryImplPeer
- node entry to be added.public void removeEntry(NodeEntryImplPeer nodeEntryImplPeer)
NodeEntryImplPeer
- node entry to be removed.public void addObserver(Observer o)
addObserver
in interface Subject
Observer
- implements observer update method.public void removeObserver(Observer o)
removeObserver
in interface Subject
Observer
- implements observer update method.private void notifyObservers()
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