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0N/Apackage com.sun.jmx.snmp.internal;
0N/A
0N/Aimport java.util.Hashtable;
0N/Aimport com.sun.jmx.snmp.SnmpEngineId;
0N/Aimport com.sun.jmx.snmp.SnmpUnknownModelLcdException;
0N/Aimport com.sun.jmx.snmp.SnmpUnknownSubSystemException;
0N/A/**
0N/A * Class to extend in order to develop a customized Local Configuration Datastore. The Lcd is used by the <CODE>SnmpEngine</CODE> to store and retrieve data.
0N/A *<P> <CODE>SnmpLcd</CODE> manages the Lcds needed by every {@link com.sun.jmx.snmp.internal.SnmpModel SnmpModel}. It is possible to add and remove {@link com.sun.jmx.snmp.internal.SnmpModelLcd SnmpModelLcd}.</P>
0N/A * <p><b>This API is a Sun Microsystems internal API and is subject
0N/A * to change without notice.</b></p>
0N/A * @since 1.5
0N/A */
0N/Apublic abstract class SnmpLcd {
0N/A
0N/A class SubSysLcdManager {
0N/A private Hashtable<Integer, SnmpModelLcd> models =
0N/A new Hashtable<Integer, SnmpModelLcd>();
0N/A
0N/A public void addModelLcd(int id,
0N/A SnmpModelLcd usmlcd) {
0N/A models.put(new Integer(id), usmlcd);
0N/A }
0N/A
0N/A public SnmpModelLcd getModelLcd(int id) {
0N/A return models.get(new Integer(id));
0N/A }
0N/A
0N/A public SnmpModelLcd removeModelLcd(int id) {
0N/A return models.remove(new Integer(id));
0N/A }
0N/A }
0N/A
0N/A
0N/A private Hashtable<SnmpSubSystem, SubSysLcdManager> subs =
0N/A new Hashtable<SnmpSubSystem, SubSysLcdManager>();
0N/A
0N/A /**
0N/A * Returns the number of time the engine rebooted.
0N/A * @return The number of reboots or -1 if the information is not present in the Lcd.
0N/A */
0N/A public abstract int getEngineBoots();
0N/A /**
0N/A * Returns the engine Id located in the Lcd.
0N/A * @return The engine Id or null if the information is not present in the Lcd.
0N/A */
0N/A public abstract String getEngineId();
0N/A
0N/A /**
0N/A * Persists the number of reboots.
0N/A * @param i Reboot number.
0N/A */
0N/A public abstract void storeEngineBoots(int i);
0N/A
0N/A /**
0N/A * Persists the engine Id.
0N/A * @param id The engine Id.
0N/A */
0N/A public abstract void storeEngineId(SnmpEngineId id);
0N/A /**
0N/A * Adds an Lcd model.
0N/A * @param sys The subsytem managing the model.
0N/A * @param id The model Id.
0N/A * @param lcd The Lcd model.
0N/A */
0N/A public void addModelLcd(SnmpSubSystem sys,
0N/A int id,
0N/A SnmpModelLcd lcd) {
0N/A
0N/A SubSysLcdManager subsys = subs.get(sys);
0N/A if( subsys == null ) {
0N/A subsys = new SubSysLcdManager();
0N/A subs.put(sys, subsys);
0N/A }
0N/A
0N/A subsys.addModelLcd(id, lcd);
0N/A }
0N/A /**
0N/A * Removes an Lcd model.
0N/A * @param sys The subsytem managing the model.
0N/A * @param id The model Id.
0N/A */
0N/A public void removeModelLcd(SnmpSubSystem sys,
0N/A int id)
0N/A throws SnmpUnknownModelLcdException, SnmpUnknownSubSystemException {
0N/A
0N/A SubSysLcdManager subsys = subs.get(sys);
0N/A if( subsys != null ) {
0N/A SnmpModelLcd lcd = subsys.removeModelLcd(id);
0N/A if(lcd == null) {
0N/A throw new SnmpUnknownModelLcdException("Model : " + id);
0N/A }
0N/A }
0N/A else
0N/A throw new SnmpUnknownSubSystemException(sys.toString());
0N/A }
0N/A
0N/A /**
0N/A * Gets an Lcd model.
0N/A * @param sys The subsytem managing the model
0N/A * @param id The model Id.
0N/A * @return The Lcd model or null if no Lcd model were found.
0N/A */
0N/A public SnmpModelLcd getModelLcd(SnmpSubSystem sys,
0N/A int id) {
0N/A SubSysLcdManager subsys = subs.get(sys);
0N/A
0N/A if(subsys == null) return null;
0N/A
0N/A return subsys.getModelLcd(id);
0N/A }
0N/A}