Example usage for com.google.common.collect Iterables tryFind

List of usage examples for com.google.common.collect Iterables tryFind

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Introduction

In this page you can find the example usage for com.google.common.collect Iterables tryFind.

Prototype

public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns an Optional containing the first element in iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:org.ow2.petals.cloud.manager.commands.iaas.CreateVMCommand.java

private ProviderManager getManager(final String iaas) {
    return Iterables.tryFind(providerManagers, new Predicate<ProviderManager>() {
        public boolean apply(ProviderManager input) {
            return iaas.equalsIgnoreCase(input.getProviderName());
        }//  www .j  a  va 2  s.c o m
    }).orNull();
}

From source file:com.qcadoo.mes.basic.shift.ShiftTimetableExceptions.java

public Optional<DateRange> findDateRangeFor(final TimetableExceptionType type, final Date date) {
    // TODO MAKU optimize if needed (sorted dates + break if subsequent date range doesn't start after given date?).
    // But for now this might be an overhead so I'm leaving it out.
    return Iterables.tryFind(exceptions.get(type), new Predicate<DateRange>() {

        @Override//from w  w  w. j a va 2  s .  c  om
        public boolean apply(final DateRange dateRange) {
            return dateRange.contains(date);
        }
    });
}

From source file:org.apache.brooklyn.entity.nosql.etcd.EtcdClusterImpl.java

@Override
public void start(Collection<? extends Location> locs) {
    addLocations(locs);/*from  ww  w . j  a v  a  2  s . com*/
    List<Location> locations = MutableList.copyOf(Locations.getLocationsCheckingAncestors(locs, this));

    ServiceStateLogic.setExpectedState(this, Lifecycle.STARTING);

    connectSensors();

    super.start(locations);

    Optional<Entity> anyNode = Iterables.tryFind(getMembers(),
            Predicates.and(Predicates.instanceOf(EtcdNode.class),
                    EntityPredicates.attributeEqualTo(EtcdNode.ETCD_NODE_HAS_JOINED_CLUSTER, true),
                    EntityPredicates.attributeEqualTo(Startable.SERVICE_UP, true)));
    if (config().get(Cluster.INITIAL_SIZE) == 0 || anyNode.isPresent()) {
        sensors().set(Startable.SERVICE_UP, true);
        ServiceStateLogic.setExpectedState(this, Lifecycle.RUNNING);
    } else {
        log.warn("No Etcd nodes are found on the cluster: {}. Initialization Failed", getId());
        ServiceStateLogic.setExpectedState(this, Lifecycle.ON_FIRE);
    }
}

From source file:com.axemblr.provisionr.commands.CreatePoolCommand.java

@Override
protected Object doExecute() throws Exception {
    checkArgument(size > 0, "size should be a positive integer");

    Optional<Provisionr> service = Iterables.tryFind(services, ProvisionrPredicates.withId(id));
    if (service.isPresent()) {
        final Pool pool = createPoolFromArgumentsAndServiceDefaults(service.get());

        final String processInstanceId = service.get().startPoolManagementProcess(key, pool);
        return String.format("Pool management process started (id: %s)", processInstanceId);
    } else {/*from w  w  w  .j  av a2s. c  o  m*/
        throw new NoSuchElementException("No provisioning service found with id: " + id);
    }
}

From source file:org.killbill.billing.catalog.DefaultPlanPhase.java

public DefaultPlanPhase(final DefaultPlan parentPlan, final DefaultPlanPhase in,
        @Nullable final PlanPhasePriceOverride override) {
    this.type = in.getPhaseType();
    this.duration = (DefaultDuration) in.getDuration();
    this.fixed = override != null && override.getFixedPrice() != null
            ? new DefaultFixed((DefaultFixed) in.getFixed(), override)
            : (DefaultFixed) in.getFixed();
    this.recurring = override != null && override.getRecurringPrice() != null
            ? new DefaultRecurring((DefaultRecurring) in.getRecurring(), override)
            : (DefaultRecurring) in.getRecurring();
    this.usages = new DefaultUsage[in.getUsages().length];
    for (int i = 0; i < in.getUsages().length; i++) {
        final Usage curUsage = in.getUsages()[i];
        if (override != null && override.getUsagePriceOverrides() != null) {
            final UsagePriceOverride usagePriceOverride = Iterables
                    .tryFind(override.getUsagePriceOverrides(), new Predicate<UsagePriceOverride>() {
                        @Override
                        public boolean apply(final UsagePriceOverride input) {
                            return input != null && input.getName().equals(curUsage.getName());
                        }/*  ww w  .  j  a  va 2 s.  c  o  m*/
                    }).orNull();
            usages[i] = (usagePriceOverride != null)
                    ? new DefaultUsage(in.getUsages()[i], usagePriceOverride, override.getCurrency())
                    : (DefaultUsage) curUsage;
        } else {
            usages[i] = (DefaultUsage) curUsage;
        }
    }
    this.plan = parentPlan;
}

From source file:org.apache.brooklyn.location.jclouds.BailOutJcloudsLocation.java

public void tryObtainAndCheck(Map<?, ?> flags, Predicate<? super ConfigBag> test) {
    try {/*  w w w.j a v  a 2s. co  m*/
        obtain(flags);
    } catch (Exception e) {
        boolean found = Iterables.tryFind(Throwables.getCausalChain(e), Predicates.<Throwable>equalTo(e))
                .isPresent();
        if (!found && e instanceof CompoundRuntimeException) {
            for (Throwable cause : ((CompoundRuntimeException) e).getAllCauses()) {
                found = Iterables.tryFind(Throwables.getCausalChain(cause), Predicates.<Throwable>equalTo(e))
                        .isPresent();
                if (found)
                    break;
            }
        }
        if (found) {
            test.apply(lastConfigBag);
        } else {
            throw Exceptions.propagate(e);
        }
    }
}

From source file:com.arcbees.vcs.AbstractVcsApi.java

protected PullRequest findPullRequestForBranch(final String branchName, PullRequests pullRequests) {
    return (PullRequest) Iterables.tryFind(pullRequests.getPullRequests(), new Predicate<PullRequest>() {
        @Override/*w w w .ja  va  2s  .  c o m*/
        public boolean apply(PullRequest pullRequest) {
            PullRequestTarget source = pullRequest.getSource();
            Branch branch = source.getBranch();
            String pullRequestBranchName = branch.getName();

            return pullRequestBranchName.equals(branchName);
        }
    }).orNull();
}

From source file:org.jclouds.openstack.nova.v1_1.compute.NovaImageExtension.java

private org.jclouds.openstack.nova.v1_1.domain.Image findImage(final ZoneAndId zoneAndId) {
    return Iterables.tryFind(novaClient.getImageClientForZone(zoneAndId.getZone()).listImagesInDetail(),
            new Predicate<org.jclouds.openstack.nova.v1_1.domain.Image>() {
                @Override//  www  .ja  va  2  s. c o  m
                public boolean apply(org.jclouds.openstack.nova.v1_1.domain.Image input) {
                    return input.getId().equals(zoneAndId.getId());
                }
            }).orNull();

}

From source file:com.eucalyptus.compute.common.internal.network.NetworkGroups.java

public static void createDefault(final OwnerFullName ownerFullName) throws MetadataException {
    try (final TransactionResource tx = Entities.transactionFor(Vpc.class)) {
        if (Iterables.tryFind(Entities.query(Vpc.exampleDefault(ownerFullName.getAccountNumber())),
                Predicates.alwaysTrue()).isPresent()) {
            return; // skip default security group creation when there is a default VPC
        }/*ww  w  . j a va  2  s  .c o m*/
    }

    try {
        try {
            NetworkGroup net = Transactions.find(NetworkGroup.named(
                    AccountFullName.getInstance(ownerFullName.getAccountNumber()), DEFAULT_NETWORK_NAME));
            if (net == null) {
                create(ownerFullName, DEFAULT_NETWORK_NAME, "default group");
            }
        } catch (NoSuchElementException | TransactionException ex) {
            try {
                create(ownerFullName, DEFAULT_NETWORK_NAME, "default group");
            } catch (ConstraintViolationException ex1) {
            }
        }
    } catch (DuplicateMetadataException ex) {
    }
}

From source file:org.apache.brooklyn.entity.nosql.couchbase.CouchbaseSyncGatewaySshDriver.java

@Override
public void launch() {
    Entity cbNode = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER);
    Entities.waitForServiceUp(cbNode, Duration.ONE_HOUR);
    DependentConfiguration.waitInTaskForAttributeReady(cbNode, CouchbaseCluster.IS_CLUSTER_INITIALIZED,
            Predicates.equalTo(true));// www  . j ava 2s .  co m
    // Even once the bucket has published its API URL, it can still take a couple of seconds for it to become available
    Time.sleep(10 * 1000);
    if (cbNode instanceof CouchbaseCluster) {
        // in_cluster now applies even to a node in a cluster of size 1
        Optional<Entity> cbClusterNode = Iterables.tryFind(cbNode.getAttribute(CouchbaseCluster.GROUP_MEMBERS),
                Predicates.and(Predicates.instanceOf(CouchbaseNode.class),
                        EntityPredicates.attributeEqualTo(CouchbaseNode.IS_IN_CLUSTER, Boolean.TRUE)));

        if (!cbClusterNode.isPresent()) {
            throw new IllegalArgumentException(
                    format("The cluster %s does not contain any suitable Couchbase nodes to connect to..",
                            cbNode.getId()));
        }

        cbNode = cbClusterNode.get();
    }
    String hostname = cbNode.getAttribute(CouchbaseNode.HOSTNAME);
    String webPort = cbNode.getAttribute(CouchbaseNode.COUCHBASE_WEB_ADMIN_PORT).toString();

    String username = cbNode.getConfig(CouchbaseNode.COUCHBASE_ADMIN_USERNAME);
    String password = cbNode.getConfig(CouchbaseNode.COUCHBASE_ADMIN_PASSWORD);

    String bucketName = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER_BUCKET);
    String pool = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER_POOL);
    String pretty = entity.getConfig(CouchbaseSyncGateway.PRETTY) ? "-pretty" : "";
    String verbose = entity.getConfig(CouchbaseSyncGateway.VERBOSE) ? "-verbose" : "";

    String adminRestApiPort = entity.getConfig(CouchbaseSyncGateway.ADMIN_REST_API_PORT).iterator().next()
            .toString();
    String syncRestApiPort = entity.getConfig(CouchbaseSyncGateway.SYNC_REST_API_PORT).iterator().next()
            .toString();

    String serverWebAdminUrl = format("http://%s:%s@%s:%s", username, password, hostname, webPort);
    String options = format(
            "-url %s -bucket %s -adminInterface 0.0.0.0:%s -interface 0.0.0.0:%s -pool %s %s %s",
            serverWebAdminUrl, bucketName, adminRestApiPort, syncRestApiPort, pool, pretty, verbose);

    newScript(ImmutableMap.of("usePidFile", true), LAUNCHING).body
            .append(format("/opt/couchbase-sync-gateway/bin/sync_gateway %s ", options)
                    + "> out.log 2> err.log < /dev/null &")
            .failOnNonZeroResultCode().execute();
}