List of usage examples for com.google.common.collect Iterables getLast
public static <T> T getLast(Iterable<T> iterable)
From source file:org.apache.brooklyn.util.core.task.DynamicTasks.java
/** As {@link #drain(Duration, boolean)} waiting forever and throwing the first error * (excluding errors in inessential tasks), * then returning the last task in the queue (which is guaranteed to have finished without error, * if this method returns without throwing) */ public static Task<?> waitForLast() { drain(null, true);//from ww w . jav a 2s.c o m // this call to last is safe, as the above guarantees everything will have run // (on errors the above will throw so we won't come here) List<Task<?>> q = DynamicTasks.getTaskQueuingContext().getQueue(); return q.isEmpty() ? null : Iterables.getLast(q); }
From source file:com.google.security.zynamics.binnavi.Database.MockClasses.MockSqlProvider.java
private ArrayList<IComment> getCommentInternally(final Integer commentId) { for (final ArrayList<IComment> commentList : comments.values()) { if (!commentList.isEmpty() && Iterables.getLast(commentList).getId().equals(commentId)) { return commentList; }/*from www. ja va2s.co m*/ } return null; }
From source file:com.comphenix.protocol.ProtocolLib.java
/** * Retrieve a error reporter that may be filtered by the configuration. * @return The new default error reporter. */// w w w . j av a2s. c om private ErrorReporter getFilteredReporter(ErrorReporter reporter) { return new DelegatedErrorReporter(reporter) { private int lastModCount = -1; private Set<String> reports = Sets.newHashSet(); @Override protected Report filterReport(Object sender, Report report, boolean detailed) { try { String canonicalName = ReportType.getReportName(sender, report.getType()); String reportName = Iterables.getLast(Splitter.on("#").split(canonicalName)).toUpperCase(); if (config != null && config.getModificationCount() != lastModCount) { // Update our cached set again reports = Sets.newHashSet(config.getSuppressedReports()); lastModCount = config.getModificationCount(); } // Cancel reports either on the full canonical name, or just the report name if (reports.contains(canonicalName) || reports.contains(reportName)) return null; } catch (Exception e) { // Only report this with a minor message logger.warning("Error filtering reports: " + e.toString()); } // Don't filter anything return report; } }; }
From source file:org.opendaylight.netvirt.openstack.netvirt.sfc.standalone.openflow13.NetvirtSfcStandaloneOF13Provider.java
private void processAclEntry(Ace entry, Bridges bridges, boolean write) { Matches matches = entry.getMatches(); if (matches == null) { LOG.warn("processAclEntry: matches not found"); return;// w w w . ja va2s .co m } RenderedServicePath rsp = getRenderedServicePath(entry); if (rsp == null) { LOG.warn("Failed to get renderedServicePatch for entry: {}", entry); return; } LOG.info("processAclEntry: RSP: {}", rsp); List<RenderedServicePathHop> pathHopList = rsp.getRenderedServicePathHop(); if (pathHopList.isEmpty()) { LOG.warn("Service Path = {} has empty hops!!", rsp.getName()); return; } for (Bridge bridge : bridges.getBridge()) { if (bridge.getDirection().getIntValue() == 0) { Node bridgeNode = getBridgeNode(bridge.getName()); if (bridgeNode == null) { LOG.debug("processAclEntry: bridge {} not yet configured. Skip processing !!", bridge.getName()); continue; } long tunnelOfPort = southbound.getOFPort(bridgeNode, CLIENT_GPE_PORT_NAME); if (tunnelOfPort == 0L) { LOG.error("programAclEntry: Could not identify tunnel port {} -> OF ({}) on {}", CLIENT_GPE_PORT_NAME, tunnelOfPort, bridgeNode); return; } long localOfPort = southbound.getOFPort(bridgeNode, CLIENT_PORT_NAME); if (localOfPort == 0L) { LOG.error("programAclEntry: Could not identify local port {} -> OF ({}) on {}", CLIENT_PORT_NAME, localOfPort, bridgeNode); return; } // Find the first Hop within an RSP. // The classifier flow needs to send all matched traffic to this first hop SFF. RenderedServicePathFirstHop firstRspHop = SfcProviderRenderedPathAPI .readRenderedServicePathFirstHop(new RspName(rsp.getName())); LOG.debug("First Hop IPAddress = {}, Port = {}", firstRspHop.getIp().getIpv4Address().getValue(), firstRspHop.getPort().getValue()); NshUtils nshHeader = new NshUtils(); // C1 is the normal overlay dest ip and c2 is the vnid // Hardcoded for now, netvirt integration will have those values nshHeader.setNshMetaC1(NshUtils.convertIpAddressToLong(new Ipv4Address(TUNNEL_DST))); nshHeader.setNshMetaC2(Long.parseLong(TUNNEL_VNID)); nshHeader.setNshNsp(rsp.getPathId()); RenderedServicePathHop firstHop = pathHopList.get(0); nshHeader.setNshNsi(firstHop.getServiceIndex()); nshHeader.setNshTunIpDst(firstRspHop.getIp().getIpv4Address()); nshHeader.setNshTunUdpPort(firstRspHop.getPort()); LOG.debug("The Nsh Header = {}", nshHeader); handleLocalInPort(southbound.getDataPathId(bridgeNode), rsp.getPathId().toString(), localOfPort, TABLE_0_CLASSIFIER, TABLE_3_INGR_ACL, matches, true); handleSfcClassiferFlows(southbound.getDataPathId(bridgeNode), TABLE_3_INGR_ACL, entry.getRuleName(), matches, nshHeader, tunnelOfPort, true); } else { Node bridgeNode = getBridgeNode(bridge.getName()); if (bridgeNode == null) { LOG.debug("processAclEntry: bridge {} not yet configured. Skip processing !!", bridge.getName()); continue; } long tunnelOfPort = southbound.getOFPort(bridgeNode, SERVER_GPE_PORT_NAME); if (tunnelOfPort == 0L) { LOG.error("programAclEntry: Could not identify tunnel port {} -> OF ({}) on {}", SERVER_GPE_PORT_NAME, tunnelOfPort, bridgeNode); return; } long localOfPort = southbound.getOFPort(bridgeNode, SERVER_PORT_NAME); if (localOfPort == 0L) { LOG.error("programAclEntry: Could not identify local port {} -> OF ({}) on {}", SERVER_PORT_NAME, localOfPort, bridgeNode); return; } RenderedServicePathHop lastRspHop = Iterables.getLast(rsp.getRenderedServicePathHop()); LOG.debug("programAclEntry: Last Hop #: {}, nsi: {}", lastRspHop.getHopNumber().intValue(), lastRspHop.getServiceIndex().intValue() - 1); NshUtils nshHeader = new NshUtils(); nshHeader.setNshNsp(rsp.getPathId()); nshHeader.setNshNsi((short) (lastRspHop.getServiceIndex().intValue() - 1)); nshHeader.setNshMetaC2(Long.parseLong(TUNNEL_VNID)); LOG.debug("programAclEntry: The Nsh Header = {}", nshHeader); //handleLocalEgressPort(southbound.getDataPathId(bridgeNode), rsp.getPathId().toString(), localOfPort, // TABLE_0_CLASSIFIER, TABLE_3_INGR_ACL, true); handleEgressSfcClassiferFlows(southbound.getDataPathId(bridgeNode), TABLE_0_CLASSIFIER, entry.getRuleName(), matches, nshHeader, tunnelOfPort, localOfPort, true); } } }
From source file:org.apache.stratos.cloud.controller.iaases.AWSEC2Iaas.java
@Override public synchronized String associateAddress(NodeMetadata node) { IaasProvider iaasInfo = getIaasProvider(); ComputeServiceContext context = iaasInfo.getComputeService().getContext(); ElasticIPAddressApi elasticIPAddressApi = context.unwrapApi(AWSEC2Api.class).getElasticIPAddressApi().get(); String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo); String ip = null;//from ww w. j av a 2s. c om // first try to find an unassigned IP. ArrayList<PublicIpInstanceIdPair> unassignedIps = Lists .newArrayList(Iterables.filter(elasticIPAddressApi.describeAddressesInRegion(region, new String[0]), new Predicate<PublicIpInstanceIdPair>() { @Override public boolean apply(PublicIpInstanceIdPair arg0) { return arg0.getInstanceId() == null; } })); if (!unassignedIps.isEmpty()) { // try to prevent multiple parallel launches from choosing the same // ip. Collections.shuffle(unassignedIps); ip = Iterables.getLast(unassignedIps).getPublicIp(); } // if no unassigned IP is available, we'll try to allocate an IP. if (ip == null || ip.isEmpty()) { try { ip = elasticIPAddressApi.allocateAddressInRegion(region); log.info("Allocated ip [" + ip + "]"); } catch (Exception e) { String msg = "Failed to allocate an IP address. All IP addresses are in use."; log.error(msg, e); throw new CloudControllerException(msg, e); } } String id = node.getProviderId(); // wait till the fixed IP address gets assigned - this is needed before // we associate a // public IP while (node.getPrivateAddresses() == null) { CloudControllerUtil.sleep(1000); } int retries = 0; while (retries < 12 && !associatePublicIp(elasticIPAddressApi, region, ip, id)) { // wait for 5s CloudControllerUtil.sleep(5000); retries++; } log.debug("Successfully associated an IP address " + ip + " for node with id: " + node.getId()); return ip; }
From source file:com.github.rinde.logistics.pdptw.mas.comm.RtSolverBidder.java
@SuppressWarnings({ "null", "unused" })
void reauction() {
if (!reauctionsEnabled || assignedParcels.isEmpty()) {
return;//ww w . j ava 2s. com
}
LOGGER.trace("{} Considering a reauction, assignedParcels: {}.", decorator, assignedParcels.size());
final ImmutableList<Parcel> currentRoute = ImmutableList.copyOf(((Truck) vehicle.get()).getRoute());
final GlobalStateObject state = solverHandle.get()
.getCurrentState(SolveArgs.create().noCurrentRoutes().useParcels(assignedParcels));
final StatisticsDTO stats = Solvers.computeStats(state, ImmutableList.of(currentRoute));
final Parcel lastReceivedParcel = Iterables.getLast(assignedParcels);
if (!reauctioning.get()) {
// find all swappable parcels, a parcel can be swapped if it is not yet in
// cargo (it must occur twice in route for that)
// TODO filter out parcels that will be visited within several seconds
// (length of auction)
final Multiset<Parcel> routeMultiset = LinkedHashMultiset.create(currentRoute);
final Set<Parcel> swappableParcels = new LinkedHashSet<>();
for (final Parcel ap : assignedParcels) {
if (!pdpModel.get().getParcelState(ap).isPickedUp()
&& !pdpModel.get().getParcelState(ap).isTransitionState()
&& !state.getVehicles().get(0).getDestination().asSet().contains(ap)
&& !ap.equals(lastReceivedParcel)) {
swappableParcels.add(ap);
}
}
final double baseline = objectiveFunction.computeCost(stats);
double lowestCost = baseline;
@Nullable
Parcel toSwap = null;
LOGGER.trace("Compute cost of swapping");
for (final Parcel sp : swappableParcels) {
final List<Parcel> newRoute = new ArrayList<>();
newRoute.addAll(currentRoute);
newRoute.removeAll(Collections.singleton(sp));
final double cost = objectiveFunction
.computeCost(Solvers.computeStats(state, ImmutableList.of(ImmutableList.copyOf(newRoute))));
if (cost < lowestCost) {
lowestCost = cost;
toSwap = sp;
}
}
// we have found the most expensive parcel in the route, that is, removing
// this parcel from the route will yield the greatest cost reduction.
if (toSwap != null && !reauctioning.get() && !toSwap.equals(lastReceivedParcel)) {
final Auctioneer<DoubleBid> auct = parcelAuctioneers.get(toSwap);
if (auct.getLastUnsuccessTime() > 0
&& state.getTime() - auct.getLastUnsuccessTime() <= reauctionCooldownPeriod) {
LOGGER.trace("Not reauctioning, was unsuccessful too recently");
return;
}
// try to reauction
reauctioning.set(true);
LOGGER.trace("Found most expensive parcel for reauction: {}.", toSwap);
final double bidValue = bidFunction.computeBidValue(currentRoute.size(), lowestCost - baseline);
final DoubleBid initialBid = DoubleBid.create(state.getTime(), decorator, toSwap, bidValue);
auct.auctionParcel(decorator, state.getTime(), initialBid, new Listener() {
@Override
public void handleEvent(Event e) {
reauctioning.set(false);
}
});
}
}
}
From source file:org.sosy_lab.cpachecker.cpa.bam.BAMTransferRelationWithFixPointForRecursion.java
@Override protected Collection<AbstractState> analyseBlockAndExpand(final AbstractState initialState, final Precision pPrecision, final Block outerSubtree, final AbstractState reducedInitialState, final Precision reducedInitialPrecision) throws CPAException, InterruptedException, CPATransferException { final CFANode node = currentBlock.getCallNode(); final Collection<AbstractState> resultStates; if (!(node instanceof FunctionEntryNode) || isHeadOfMainFunction(node)) { // block is a loop-block // or we are at the start of the main-block, we do not need the rebuilding-part for main, // so we use a simplified version of function-handling and handle it like a loop-block resultStates = super.analyseBlockAndExpand(initialState, pPrecision, outerSubtree, reducedInitialState, reducedInitialPrecision); } else {// w ww. j ava 2 s. c o m // function-entry and old block --> begin new block // TODO match only recursive function, not all functions resultStates = analyseBlockAndExpandForRecursion(initialState, pPrecision, node, outerSubtree, reducedInitialState, reducedInitialPrecision); // current location is "before" the function-return-edge. } if (recursionSeen) { // we are returning from an recursive call. // if we would need to do further analysis for recursion later (fixpoint-analysis!), // we need to know, where to update the reachedset --> store initialState for later usage potentialRecursionUpdateStates.put(initialState, Iterables.getLast(stack)); } return resultStates; }
From source file:com.google.api.explorer.client.FullView.java
@Override public void setContext(ExplorerContext context) { presenter.setContext(context);/*from w ww . ja va2 s .c o m*/ // Fill in the entry list widget, only the collections that have entries will be shown drillDownNav.setVisible(context.isEntryListVisible()); drillDownNav.clear(); if (context.isEntryListVisible()) { populateHistoryItems("", context.getHistoryItems(), drillDownNav); populateServiceEntries(sortServices(context.getServicesList()), drillDownNav, context.getServiceTagProcessor()); populateServiceMethods(context.getService(), context.getMethods(), drillDownNav); } // Fill in the detail pane. detailPane.setVisible(context.isHistoryItemVisible() || context.isMethodFormVisible()); detailPane.clear(); if (context.isHistoryItemVisible()) { HistoryItem item = Iterables.getOnlyElement(context.getHistoryItems()); EmbeddedHistoryItemView view = generateHistoryItemView(item); detailPane.add(view); } else if (context.isMethodFormVisible()) { ApiMethod method = context.getMethod(); // Wrap the callback given by the context so that we may also be notified when a request is // finished. Pass through events to the original callback. CallbackWrapper cbWrapper = new CallbackWrapper(); cbWrapper.delegate = context.getRequestFinishedCallback(); cbWrapper.methodName = method.getId(); // Create the view of the request editor and the single history item. EmbeddedView view = new EmbeddedView(authManager, context.getService(), method, context.getMethodParameters(), cbWrapper, HIDE_AUTH, analytics); cbWrapper.localView = view; // If this context came bundled with a history item, that means the navigation references a // previous executed request, and we should show the result. List<HistoryItem> historyItems = context.getHistoryItems(); if (!historyItems.isEmpty()) { view.showHistoryItem(generateHistoryItemView(Iterables.getLast(historyItems))); } detailPane.add(view); } // Show the search results. searchResults.setVisible(context.isSearchResultsVisible()); searchResults.clear(); searchErrorPanel.setVisible(false); if (context.isSearchResultsVisible()) { populateSearchResults(context.getSearchResults(), context.getServiceTagProcessor()); } // Show the auth panel. authViewPlaceholder.setVisible(context.isAuthVisible()); authViewPlaceholder.clear(); if (context.isAuthVisible()) { showAuth(context.getService(), context.getMethod()); } // Show the documentation link. docsContainer.setVisible(context.isDocsLinkVisible()); docsContainer.clear(); if (context.isDocsLinkVisible()) { showDocumentationLink("the " + context.getService().displayTitle(), context.getService().getDocumentationLink()); } // Show the title. boolean showContentTitle = context.getContentTitles() != null; if (showContentTitle) { generateBreadcrumbs(detailTitleContainer, context.getContentTitles()); } // Show the detail header. detailHeader.setVisible(showContentTitle || context.isAuthVisible()); // Show the back button. backButton.setVisible(context.getParentUrl() != null); // Highlight the navigation item which was the root of our navigation. highlightNavigationItem(context.getRootNavigationItem()); }
From source file:org.jetbrains.jet.plugin.parameterInfo.JetFunctionParameterInfoHandler.java
private static boolean isIndexValid(List<ValueParameterDescriptor> valueParameters, int index) { // Index is within range of parameters or last parameter is vararg return index < valueParameters.size() || (valueParameters.size() > 0 && Iterables.getLast(valueParameters).getVarargElementType() != null); }
From source file:com.google.security.zynamics.binnavi.disassembly.CommentManager.java
/** * This function provides the append comment functionality for any given Implementation of a * {@link CommentingStrategy}. It uses the methods of the interface to only have one algorithm * with different objects that can be commented. * * @param strategy The {@link CommentingStrategy} which holds the function forwarders. * @param commentText The commenting text to append. * * @return The generated comment.//from ww w .j a v a 2 s. com * * @throws CouldntSaveDataException if the comment could not be stored in the database. * @throws CouldntLoadDataException if the list of comments now associated with the commented * object could not be loaded from the database. */ private synchronized List<IComment> appendComment(final CommentingStrategy strategy, final String commentText) throws CouldntSaveDataException, CouldntLoadDataException { final IUser user = CUserManager.get(provider).getCurrentActiveUser(); final List<IComment> currentComments = new ArrayList<IComment>(); if (strategy.isStored()) { currentComments.addAll(strategy.appendComment(commentText, user.getUserId())); } else { currentComments.addAll(strategy.getComments() == null ? new ArrayList<IComment>() : Lists.newArrayList(strategy.getComments())); final IComment parent = currentComments.isEmpty() ? null : Iterables.getLast(currentComments); final IComment newComment = new CComment(null, user, parent, commentText); currentComments.add(newComment); } strategy.saveComments(currentComments); for (final IComment comment : currentComments) { commentIdToComment.put(comment.getId(), comment); } for (final CommentListener listener : listeners) { try { strategy.sendAppendedCommentNotifcation(listener, Iterables.getLast(currentComments)); } catch (final Exception exception) { CUtilityFunctions.logException(exception); } } return currentComments; }