public void run() {
super.run();
// save the last set of active JVMs
Set lastActiveVms = activeVms;
try {
// get the current set of active JVMs
activeVms = (HashSet) vmManager.activeVms();
} catch (MonitorException e) {
// XXX: use logging api
System.err.println("MonitoredHostProvider: polling task " + "caught MonitorException:");
e.printStackTrace();
// mark the HostManager as errored and notify listeners
setLastException(e);
fireDisconnectedEvents();
}
if (activeVms.isEmpty()) {
return;
}
Set startedVms = new HashSet();
Set terminatedVms = new HashSet();
for (Iterator i = activeVms.iterator(); i.hasNext(); /* empty */ ) {
Integer vmid = (Integer) i.next();
if (!lastActiveVms.contains(vmid)) {
// a new file has been detected, add to set
startedVms.add(vmid);
}
}
for (Iterator i = lastActiveVms.iterator(); i.hasNext();
/* empty */ ) {
Object o = i.next();
if (!activeVms.contains(o)) {
// JVM has terminated, remove it from the active list
terminatedVms.add(o);
}
}
if (!startedVms.isEmpty() || !terminatedVms.isEmpty()) {
fireVmStatusChangedEvents(activeVms, startedVms, terminatedVms);
}
}
public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
final String S_ProcName = "CFAsteriskMssCFIterateHostNodeConfFile.enumerateDetails() ";
if (genContext == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
}
ICFLibAnyObj genDef = genContext.getGenDef();
if (genDef == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
}
List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();
if (genDef instanceof ICFAsteriskHostNodeObj) {
Iterator<ICFAsteriskConfigurationFileObj> elements =
((ICFAsteriskHostNodeObj) genDef).getOptionalComponentsConfFile().iterator();
while (elements.hasNext()) {
list.add(elements.next());
}
} else {
throw CFLib.getDefaultExceptionFactory()
.newUnsupportedClassException(
getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFAsteriskHostNodeObj");
}
return (list.listIterator());
}
public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
final String S_ProcName = "CFBamMssCFIterateNumberTypeRef.enumerateDetails() ";
if (genContext == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
}
ICFLibAnyObj genDef = genContext.getGenDef();
if (genDef == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
}
List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();
if (genDef instanceof ICFBamNumberTypeObj) {
Iterator<ICFBamTableColObj> elements =
((ICFBamNumberTypeObj) genDef).getOptionalChildrenRef().iterator();
while (elements.hasNext()) {
list.add(elements.next());
}
} else {
throw CFLib.getDefaultExceptionFactory()
.newUnsupportedClassException(
getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFBamNumberTypeObj");
}
return (list.listIterator());
}
@Override
public void notifyResult(AuctionItem item) {
if (registeredUsers.containsKey(item.getCreator_id())) {
RMIClientIntf creator = registeredUsers.get(item.getCreator_id());
try {
creator.callBack("Your Auction has produced the following results :\n ");
creator.callBack(item.getResult());
} catch (RemoteException e) {
System.out.println("Creator no longer online\n");
}
} else {
System.out.println("Creator id does not exist\n");
} // Normally an auction with no creator registered should not exist but since this is a
// simplified implementation
// We allow bids on auctions with no creator (usually the initialised ones) for testing
// purposes.
if (item.numberOfBids() != 0) {
System.out.println("Notifying bidders");
Iterator<Bid> it = item.getBidders();
while (it.hasNext()) {
Bid bidder = it.next();
if (registeredUsers.containsKey(bidder.getUserId())) {
RMIClientIntf client = registeredUsers.get(bidder.getUserId());
try {
client.callBack(item.getResult());
} catch (RemoteException e) {
System.out.println("Bidder with id " + bidder.getUserId() + " no longer online\n");
}
} else {
System.out.println("User id does not exist\n");
}
}
}
}
public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
throws IOException {
// TODO: How to deal with changes to the list??
if (garbageCollectorMBeans == null) {
ObjectName gcName = null;
try {
gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
} catch (MalformedObjectNameException e) {
// should not reach here
assert (false);
}
Set<ObjectName> mbeans = server.queryNames(gcName, null);
if (mbeans != null) {
garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
Iterator<ObjectName> iterator = mbeans.iterator();
while (iterator.hasNext()) {
ObjectName on = (ObjectName) iterator.next();
String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");
GarbageCollectorMXBean mBean =
newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
garbageCollectorMBeans.add(mBean);
}
}
}
return garbageCollectorMBeans;
}
/**
* Returns a map of MBeans with ObjectName as the key and MBeanInfo value of a given domain. If
* domain is <tt>null</tt>, all MBeans are returned. If no MBean found, an empty map is returned.
*/
public Map<ObjectName, MBeanInfo> getMBeans(String domain) throws IOException {
ObjectName name = null;
if (domain != null) {
try {
name = new ObjectName(domain + ":*");
} catch (MalformedObjectNameException e) {
// should not reach here
assert (false);
}
}
Set<ObjectName> mbeans = server.queryNames(name, null);
Map<ObjectName, MBeanInfo> result = new HashMap<ObjectName, MBeanInfo>(mbeans.size());
Iterator<ObjectName> iterator = mbeans.iterator();
while (iterator.hasNext()) {
Object object = iterator.next();
if (object instanceof ObjectName) {
ObjectName o = (ObjectName) object;
try {
MBeanInfo info = server.getMBeanInfo(o);
result.put(o, info);
} catch (IntrospectionException e) {
// TODO: should log the error
} catch (InstanceNotFoundException e) {
// TODO: should log the error
} catch (ReflectionException e) {
// TODO: should log the error
}
}
}
return result;
}
public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
final String S_ProcName = "CFInternetMssCFIterateTSecGroupIncByGroup.enumerateDetails() ";
if (genContext == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
}
ICFLibAnyObj genDef = genContext.getGenDef();
if (genDef == null) {
throw CFLib.getDefaultExceptionFactory()
.newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
}
List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();
if (genDef instanceof ICFInternetTSecGroupObj) {
Iterator<ICFSecurityTSecGroupIncludeObj> elements =
((ICFInternetTSecGroupObj) genDef).getRequiredChildrenIncByGroup().iterator();
while (elements.hasNext()) {
list.add(elements.next());
}
} else {
throw CFLib.getDefaultExceptionFactory()
.newUnsupportedClassException(
getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFInternetTSecGroupObj");
}
return (list.listIterator());
}
protected void addMetaDataToNetwork(Network network) {
if (networkMetadata.size() == 0) {
return;
}
Tuple metadata = new Tuple();
Set<String> keys = networkMetadata.keySet();
for (Iterator<String> it = keys.iterator(); it.hasNext(); ) {
String key = it.next();
metadata.addSingle(new Single(key, networkMetadata.get(key)));
}
network.setMetadata(metadata);
}
/** Fire hostDisconnectEvent events. */
void fireDisconnectedEvents() {
ArrayList registered = null;
HostEvent ev = null;
synchronized (listeners) {
registered = (ArrayList) listeners.clone();
}
for (Iterator i = registered.iterator(); i.hasNext(); /* empty */ ) {
HostListener l = (HostListener) i.next();
if (ev == null) {
ev = new HostEvent(this);
}
l.disconnected(ev);
}
}
/**
* Fire VmStatusChangeEvent events to HostListener objects
*
* @param active Set of Integer objects containing the local Vm Identifiers of the active JVMs
* @param started Set of Integer objects containing the local Vm Identifiers of new JVMs started
* since last interval.
* @param terminated Set of Integer objects containing the local Vm Identifiers of terminated JVMs
* since last interval.
*/
private void fireVmStatusChangedEvents(Set active, Set started, Set terminated) {
ArrayList registered = null;
VmStatusChangeEvent ev = null;
synchronized (listeners) {
registered = (ArrayList) listeners.clone();
}
for (Iterator i = registered.iterator(); i.hasNext(); /* empty */ ) {
HostListener l = (HostListener) i.next();
if (ev == null) {
ev = new VmStatusChangeEvent(this, active, started, terminated);
}
l.vmStatusChanged(ev);
}
}
public Collection<MemoryPoolProxy> getMemoryPoolProxies() throws IOException {
// TODO: How to deal with changes to the list??
if (memoryPoolProxies == null) {
ObjectName poolName = null;
try {
poolName = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*");
} catch (MalformedObjectNameException e) {
// should not reach here
assert (false);
}
Set<ObjectName> mbeans = server.queryNames(poolName, null);
if (mbeans != null) {
memoryPoolProxies = new ArrayList<MemoryPoolProxy>();
Iterator<ObjectName> iterator = mbeans.iterator();
while (iterator.hasNext()) {
ObjectName objName = (ObjectName) iterator.next();
MemoryPoolProxy p = new MemoryPoolProxy(this, objName);
memoryPoolProxies.add(p);
}
}
}
return memoryPoolProxies;
}