@Override
public Iterator<T> iterator() {
pruneToDuration();
try {
@SuppressWarnings("unchecked")
final List<TimeWrapped> dc = Arrays.asList(queue.toArray());
Collections.sort(dc);
return new Iterator<T>() {
List<TimeWrapped> dataclone = dc;
int index = 0;
TimeWrapped last;
@Override
public boolean hasNext() {
return index < dataclone.size();
}
@Override
public T next() {
return (last = dataclone.get(index++)).getWrapped();
}
@Override
public void remove() {
queue.remove(last);
decrement(last.getWrapped());
}
};
} catch (ClassCastException e) {
System.out.print(queue.toString());
e.printStackTrace();
System.exit(1);
}
return null;
}
/* THIS SECTION IN STASIS. The plan is to use the WeightedDirectedGraph class with
* an optimized exact solution to the MWIS. Not there yet though. **/
public Iterable<Long> findBestNonOverlappingGraph(Long[] relIds) {
boolean trivialTestCase = false;
if (trivialTestCase) {
return Arrays.asList(relIds);
}
// vertices in this graph represent candidate relationships
// edges represent overlap in the mrca sets between pairs of candidate relationships
WeightedUndirectedGraph G = new WeightedUndirectedGraph();
for (long relId : relIds) {
G.addNode(relId, getWeight(relId));
}
// attach this candidate rel to any others with overlapping descendant sets
for (int i = 0; i < relIds.length; i++) {
long a = getStartNodeId(relIds[i]);
for (int j = i + 1; j < relIds.length; j++) {
long b = getStartNodeId(relIds[j]);
if (nodeMrcaTipsAndInternal.get(a).containsAny(nodeMrcaTipsAndInternal.get(b))) {
G.getNode(a).attachTo(b);
}
}
}
// find a set S' of vertices such that the total weight of S' is maximized, and no two vertices
// in S' share an edge
// this corresponds to a set of non-overlapping candidate relationships with maximum weight
// return new LPWeightedIS(G);
return null; // garbage...
}
@SuppressWarnings("unchecked")
@RequestMapping(
value = "timeAggregation",
method = RequestMethod.GET,
produces = "application/json")
public @ResponseBody List<TimeAggregation> getTimeAggregation() {
return Arrays.asList(TimeAggregation.values());
}
@SuppressWarnings("unchecked")
@Override
public List<ItemStack> getDrops(
IBlockAccess world, BlockPos pos, IBlockState state, int fortune) {
return new ArrayList<ItemStack>(
Arrays.asList(
new ItemStack[] {
new ItemStack(
UItems.infectedcrop, MathHelper.getRandomIntegerInRange(new Random(), 1, 4))
}));
}
/** Export this snapshot to GTFS, using the validity range in the snapshot. */
public ProcessGtfsSnapshotExport(Snapshot snapshot, File output) {
this(Arrays.asList(new Tuple2[] {snapshot.id}), output, snapshot.validFrom, snapshot.validTo);
}
@Test
public void testRegistryEntries() throws Exception {
int startingPort = 9090;
System.err.println(executeCommand("fabric:create -n root"));
CuratorFramework curator = getCurator();
// Wait for zookeeper service to become available.
System.err.println(
executeCommand("fabric:profile-create --parents feature-camel fabric-camel"));
System.err.println(
executeCommand("fabric:profile-create --parents fabric-camel fabric-camel-server"));
System.err.println(
executeCommand("fabric:profile-create --parents fabric-camel fabric-camel-client"));
System.err.println(
executeCommand(
"fabric:profile-edit --repositories mvn:org.fusesource.examples.fabric-camel-cluster/features/"
+ System.getProperty("fabric.version")
+ "/xml/features fabric-camel"));
System.err.println(
executeCommand("fabric:profile-edit --features camel-server fabric-camel-server"));
executeCommand("fabric:profile-edit --features camel-client fabric-camel-client");
Set<Container> containers =
ContainerBuilder.create(3)
.withName("fabric-camel")
.withProfiles("fabric-camel")
.assertProvisioningResult()
.build();
// We will use the first container as a client and the rest as servers.
Container camelClientContainer = containers.iterator().next();
containers.remove(camelClientContainer);
Set<Container> camelServerContainers = new LinkedHashSet<Container>(containers);
int index = 1;
for (Container c : camelServerContainers) {
setData(curator, ZkPath.CONTAINER_PROVISION_RESULT.getPath(c.getId()), "changing");
executeCommand(
"fabric:container-connect -u admin -p admin "
+ camelClientContainer.getId()
+ " log:set DEBUG");
System.err.println(
executeCommand(
"fabric:profile-create --parents fabric-camel-server fabric-camel-server-" + index));
System.err.println(
executeCommand(
"fabric:profile-edit --pid io.fabric8.examples.camel.loadbalancing.server/portNumber="
+ (startingPort++)
+ " fabric-camel-server-"
+ index));
System.err.println(executeCommand("fabric:profile-display fabric-camel-server-" + index));
System.err.println(
executeCommand(
"fabric:container-change-profile "
+ c.getId()
+ " fabric-camel-server-"
+ (index++)));
}
Provision.provisioningSuccess(camelServerContainers, PROVISION_TIMEOUT);
setData(
curator,
ZkPath.CONTAINER_PROVISION_RESULT.getPath(camelClientContainer.getId()),
"changing");
System.err.println(
executeCommand(
"fabric:container-change-profile "
+ camelClientContainer.getId()
+ " fabric-camel-client"));
Provision.provisioningSuccess(
Arrays.asList(new Container[] {camelClientContainer}), PROVISION_TIMEOUT);
System.err.println(executeCommand("fabric:container-list"));
System.err.println(executeCommand("fabric:profile-display --overlay fabric-camel-server"));
// Check that the entries have been properly propagated.
Assert.assertNotNull(exists(curator, "/fabric/registry/camel/endpoints/"));
Assert.assertEquals(1, getChildren(curator, "/fabric/registry/camel/endpoints/").size());
Thread.sleep(5000);
System.err.println(
executeCommand(
"fabric:container-connect -u admin -p admin "
+ camelClientContainer.getId()
+ " camel:route-list"));
String response =
new AnsiString(
executeCommand(
"fabric:container-connect -u admin -p admin "
+ camelClientContainer.getId()
+ " camel:route-info fabric-client | grep Failed"))
.getPlain()
.toString();
System.err.println(response);
int failed = Integer.parseInt(response.replaceAll("[^0-9]", ""));
Assert.assertEquals("Failed exchanges found on client", 0, failed);
// We want to kill all but one server, so we take out the first and keep it to the end.
Container lastActiveServerContainer = camelServerContainers.iterator().next();
camelServerContainers.remove(lastActiveServerContainer);
for (Container c : camelServerContainers) {
c.destroy();
Thread.sleep(25000);
response =
new AnsiString(
executeCommand(
"fabric:container-connect -u admin -p admin "
+ camelClientContainer.getId()
+ " camel:route-info fabric-client | grep Failed"))
.getPlain()
.toString();
System.err.println(response);
failed = Integer.parseInt(response.replaceAll("[^0-9]", ""));
Assert.assertEquals(
"Failed exchanges found after container:" + c.getId() + " shut down", 0, failed);
}
}
private List<Long> findBestNonOverlapping(Collection<Relationship> rels) {
if (rels.size() < 1) {
if (VERBOSE) {
System.out.println("(no non-singleton rels to select from)");
}
return new ArrayList<Long>();
}
TLongBitArraySet[] mrcaSetsForRels = new TLongBitArraySet[rels.size()];
double[] weights = new double[rels.size()];
Long[] relIds = new Long[rels.size()];
// used to check if no overlap exists among any rels, if not don't bother with the mwis
// really we could be smarter about this and find the rels that have no overlap and exclude them
int taxSum = 0;
HashSet<Long> uniqueTips = new HashSet<Long>();
Iterator<Relationship> relsIter = rels.iterator();
for (int i = 0; relsIter.hasNext(); i++) {
Relationship rel = relsIter.next();
TLongBitArraySet currDesc = mrcaTipsAndInternal(rel);
// this represents a pathological case, so die horribly
if (currDesc == null) {
throw new IllegalStateException("Found a rel with no descendants: " + rel);
}
relIds[i] = rel.getId();
mrcaSetsForRels[i] = currDesc;
weights[i] = getScoreNodeCount(rel);
// long [] currTips = mrcaTips(rel);
TLongBitArraySet currTips = mrcaTips(rel.getStartNode());
taxSum += currTips.size();
// for (int j = 0; j < currTips.size(); j++) {
// uniqueTips.add(currTips.get(j));
// }
for (long t : currTips) {
uniqueTips.add(t);
}
if (VERBOSE) {
System.out.println(
rel.getId()
+ ": nodeMrca("
+ rel.getStartNode().getId()
+ ") = "
+ nodeMrcaTipsAndInternal.get(rel.getStartNode().getId())
+ ". score = "
+ weights[i]);
}
}
System.out.println(
"taxSum = "
+ taxSum
+ "; uniqueTips size = "
+ uniqueTips.size()
+ "; incoming rels = "
+ relIds.length);
if (taxSum
== uniqueTips
.size()) { // if there is no conflict, skip the set comparisons and just add everything
// (saves major time)
System.out.println("no conflict! saving all incoming rels.");
return new ArrayList<Long>(Arrays.asList(relIds));
} else if (relIds.length
<= BruteWeightedIS
.MAX_TRACTABLE_N) { // otherwise if the set is small enough find the exact MWIS solution
return new BruteWeightedIS(relIds, weights, mrcaSetsForRels).best();
} else { // otherwise we need to use the approximation method
return new GreedyApproximateWeightedIS(relIds, weights, mrcaSetsForRels).best();
}
}
