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.killbill.billing.beatrix.util.PaymentChecker.java

private PaymentTransaction getPurchaseTransaction(final Payment payment) {
    return Iterables.tryFind(payment.getTransactions(), new Predicate<PaymentTransaction>() {
        @Override/* w w w  . j a  v a 2 s.c  o m*/
        public boolean apply(final PaymentTransaction input) {
            return input.getTransactionType() == TransactionType.PURCHASE;
        }
    }).get();
}

From source file:org.eclipse.buildship.core.workspace.internal.ProjectNameUpdater.java

private static boolean isScheduledForRenaming(IProject duplicate, Set<OmniEclipseProject> allProjects) {
    if (!duplicate.isOpen()) {
        return false;
    }//w w  w .j  a v  a2s .  c o m

    Optional<OmniEclipseProject> duplicateEclipseProject = Iterables.tryFind(allProjects,
            Predicates.eclipseProjectMatchesProjectDir(duplicate.getLocation().toFile()));
    if (!duplicateEclipseProject.isPresent()) {
        return false;
    }

    String newName = checkProjectName(duplicateEclipseProject.get());
    return !newName.equals(duplicate.getName());
}

From source file:org.killbill.billing.catalog.override.DefaultPriceOverride.java

@Override
public DefaultPlan getOrCreateOverriddenPlan(final StandaloneCatalog standaloneCatalog, final Plan parentPlan,
        final DateTime catalogEffectiveDate, final List<PlanPhasePriceOverride> overrides,
        @Nullable final InternalCallContext context) throws CatalogApiException {

    final PlanPhasePriceOverride[] resolvedOverride = new PlanPhasePriceOverride[parentPlan
            .getAllPhases().length];/*from w w  w  .j  av a  2  s .  c  o  m*/
    int index = 0;
    for (final PlanPhase curPhase : parentPlan.getAllPhases()) {
        final PlanPhasePriceOverride curOverride = Iterables
                .tryFind(overrides, new Predicate<PlanPhasePriceOverride>() {
                    @Override
                    public boolean apply(final PlanPhasePriceOverride input) {
                        if (input.getPhaseName() != null) {
                            return input.getPhaseName().equals(curPhase.getName());
                        }
                        // If the phaseName was not passed, we infer by matching the phaseType. This obviously would not work in a case where
                        // a plan is defined with multiple phases of the same type.
                        final PlanPhaseSpecifier curPlanPhaseSpecifier = input.getPlanPhaseSpecifier();
                        if (curPlanPhaseSpecifier.getPhaseType().equals(curPhase.getPhaseType())) {
                            return true;
                        }
                        return false;
                    }
                }).orNull();
        resolvedOverride[index++] = curOverride != null
                ? new DefaultPlanPhasePriceOverride(curPhase.getName(), curOverride.getCurrency(),
                        curOverride.getFixedPrice(), curOverride.getRecurringPrice())
                : null;
    }

    for (int i = 0; i < resolvedOverride.length; i++) {
        final PlanPhasePriceOverride curOverride = resolvedOverride[i];
        if (curOverride != null) {
            final DefaultPlanPhase curPhase = (DefaultPlanPhase) parentPlan.getAllPhases()[i];

            if (curPhase.getFixed() == null && curOverride.getFixedPrice() != null) {
                final String error = String.format("There is no existing fixed price for the phase %s",
                        curPhase.getName());
                throw new CatalogApiException(ErrorCode.CAT_INVALID_INVALID_PRICE_OVERRIDE,
                        parentPlan.getName(), error);
            }

            if (curPhase.getRecurring() == null && curOverride.getRecurringPrice() != null) {
                final String error = String.format("There is no existing recurring price for the phase %s",
                        curPhase.getName());
                throw new CatalogApiException(ErrorCode.CAT_INVALID_INVALID_PRICE_OVERRIDE,
                        parentPlan.getName(), error);
            }
        }
    }

    final String planName;
    if (context != null) {
        final CatalogOverridePlanDefinitionModelDao overriddenPlan = overrideDao
                .getOrCreateOverridePlanDefinition(parentPlan.getName(), catalogEffectiveDate, resolvedOverride,
                        context);
        planName = new StringBuffer(parentPlan.getName()).append("-").append(overriddenPlan.getRecordId())
                .toString();
    } else {
        planName = new StringBuffer(parentPlan.getName()).append("-dryrun-")
                .append(DRY_RUN_PLAN_IDX.incrementAndGet()).toString();
    }
    final DefaultPlan result = new DefaultPlan(planName, (DefaultPlan) parentPlan, resolvedOverride);
    result.initialize(standaloneCatalog, standaloneCatalog.getCatalogURI());
    if (context == null) {
        overriddenPlanCache.addDryRunPlan(planName, result);
    }
    return result;
}

From source file:org.jclouds.openstack.nova.v2_0.compute.predicates.GetImageWhenImageInZoneHasActiveStatusPredicateWithResult.java

public org.jclouds.openstack.nova.v2_0.domain.Image findImage(final ZoneAndId zoneAndId) {
    return Iterables.tryFind(api.getImageApiForZone(zoneAndId.getZone()).listImagesInDetail(),
            new Predicate<org.jclouds.openstack.nova.v2_0.domain.Image>() {
                @Override/*from   w  w w.  j a v  a  2  s  .c  om*/
                public boolean apply(org.jclouds.openstack.nova.v2_0.domain.Image input) {
                    return input.getId().equals(zoneAndId.getId());
                }
            }).orNull();

}

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

public DefaultTier(Tier in, TierPriceOverride override, Currency currency) {
    this.limits = (DefaultLimit[]) in.getLimits();
    this.blocks = new DefaultTieredBlock[in.getTieredBlocks().length];

    for (int i = 0; i < in.getTieredBlocks().length; i++) {
        if (override != null && override.getTieredBlockPriceOverrides() != null) {
            final TieredBlock curTieredBlock = in.getTieredBlocks()[i];
            final TieredBlockPriceOverride overriddenTierBlock = Iterables.tryFind(
                    override.getTieredBlockPriceOverrides(), new Predicate<TieredBlockPriceOverride>() {
                        @Override
                        public boolean apply(final TieredBlockPriceOverride input) {
                            return (input != null
                                    && input.getUnitName().equals(curTieredBlock.getUnit().getName())
                                    && Double.compare(input.getSize(), curTieredBlock.getSize()) == 0
                                    && Double.compare(input.getMax(), curTieredBlock.getMax()) == 0);
                        }// w  w  w  .  j a v  a 2s.c om

                    }).orNull();
            blocks[i] = (overriddenTierBlock != null)
                    ? new DefaultTieredBlock(in.getTieredBlocks()[i], overriddenTierBlock, currency)
                    : (DefaultTieredBlock) in.getTieredBlocks()[i];
        } else {
            blocks[i] = (DefaultTieredBlock) in.getTieredBlocks()[i];
        }
    }
}

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

public org.jclouds.openstack.nova.v1_1.domain.Image findImage(final ZoneAndId zoneAndId) {
    return Iterables.tryFind(client.getImageClientForZone(zoneAndId.getZone()).listImagesInDetail(),
            new Predicate<org.jclouds.openstack.nova.v1_1.domain.Image>() {
                @Override//from  w w w.j ava  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:org.apache.brooklyn.container.location.kubernetes.KubernetesClientRegistryImpl.java

@Override
public KubernetesClient getKubernetesClient(ConfigBag conf) {
    ConfigBuilder configBuilder = new ConfigBuilder();

    String configFile = conf.get(KubernetesLocationConfig.KUBECONFIG);
    if (Strings.isNonBlank(configFile)) {
        try {/*from   w  w  w. j  a  v a2s .  co m*/
            Path configPath = Paths.get(configFile);
            Path configFolder = configPath.normalize().getParent();
            Config kubeconfig = KubeConfigUtils.parseConfig(configPath.toFile());
            String currentContext = Optional.fromNullable(conf.get(KubernetesLocationConfig.KUBECONFIG_CONTEXT))
                    .or(kubeconfig.getCurrentContext());
            Optional<NamedContext> foundContext = Iterables.tryFind(kubeconfig.getContexts(),
                    c -> c.getName().equals(currentContext));
            if (!foundContext.isPresent()) {
                throw new IllegalStateException(String.format("Context %s not found", currentContext));
            }
            Context context = foundContext.get().getContext();
            LOG.debug("Context {} additional properties: {}", currentContext,
                    context.getAdditionalProperties());
            configBuilder.withNamespace(context.getNamespace());

            String user = context.getUser();
            Optional<NamedAuthInfo> foundAuthInfo = Iterables.tryFind(kubeconfig.getUsers(),
                    u -> u.getName().equals(user));
            if (!foundAuthInfo.isPresent()) {
                throw new IllegalStateException(String.format("Auth info %s not found", user));
            }
            AuthInfo auth = foundAuthInfo.get().getUser();
            LOG.debug("Auth info {} additional properties: {}", user, auth.getAdditionalProperties());
            configBuilder.withUsername(auth.getUsername());
            configBuilder.withPassword(auth.getPassword());
            if (auth.getToken() == null) {
                if (auth.getAuthProvider() != null) {
                    configBuilder.withOauthToken(auth.getAuthProvider().getConfig().get("id-token"));
                }
            } else {
                configBuilder.withOauthToken(auth.getToken());
            }
            configBuilder.withClientCertFile(getRelativeFile(auth.getClientCertificate(), configFolder));
            configBuilder.withClientCertData(auth.getClientCertificateData());
            configBuilder.withClientKeyFile(getRelativeFile(auth.getClientKey(), configFolder));
            configBuilder.withClientKeyData(auth.getClientKeyData());

            String clusterName = context.getCluster();
            Optional<NamedCluster> foundCluster = Iterables.tryFind(kubeconfig.getClusters(),
                    c -> c.getName().equals(clusterName));
            if (!foundCluster.isPresent()) {
                throw new IllegalStateException(String.format("Cluster %s not found", clusterName));
            }
            Cluster cluster = foundCluster.get().getCluster();
            configBuilder.withMasterUrl(cluster.getServer());
            configBuilder.withCaCertFile(getRelativeFile(cluster.getCertificateAuthority(), configFolder));
            configBuilder.withCaCertData(cluster.getCertificateAuthorityData());
            configBuilder.withApiVersion(Optional.fromNullable(cluster.getApiVersion()).or("v1"));
            configBuilder.withTrustCerts(Boolean.TRUE.equals(cluster.getInsecureSkipTlsVerify()));
            LOG.debug("Cluster {} server: {}", clusterName, cluster.getServer());
            LOG.debug("Cluster {} additional properties: {}", clusterName, cluster.getAdditionalProperties());
        } catch (IOException e) {
            Exceptions.propagate(e);
        }
    } else {
        String masterUrl = checkNotNull(conf.get(KubernetesLocationConfig.MASTER_URL),
                "master url must not be null");
        Boolean trustCerts = conf.get(KubernetesLocationConfig.TRUST_CERTS);

        URL url;
        try {
            url = new URL(masterUrl);
        } catch (MalformedURLException e) {
            throw Throwables.propagate(e);
        }

        configBuilder.withMasterUrl(masterUrl).withTrustCerts(trustCerts != null ? trustCerts : Boolean.FALSE);

        if (url.getProtocol().equals("https")) {
            KubernetesCerts certs = new KubernetesCerts(conf);
            if (certs.caCertData.isPresent())
                configBuilder.withCaCertData(toBase64Encoding(certs.caCertData.get()));
            if (certs.clientCertData.isPresent())
                configBuilder.withClientCertData(toBase64Encoding(certs.clientCertData.get()));
            if (certs.clientKeyData.isPresent())
                configBuilder.withClientKeyData(toBase64Encoding(certs.clientKeyData.get()));
            if (certs.clientKeyAlgo.isPresent())
                configBuilder.withClientKeyAlgo(certs.clientKeyAlgo.get());
            if (certs.clientKeyPassphrase.isPresent())
                configBuilder.withClientKeyPassphrase(certs.clientKeyPassphrase.get());
            // TODO Should we also set configBuilder.withTrustCerts(true) here?
        }

        String username = conf.get(KubernetesLocationConfig.ACCESS_IDENTITY);
        if (Strings.isNonBlank(username))
            configBuilder.withUsername(username);

        String password = conf.get(KubernetesLocationConfig.ACCESS_CREDENTIAL);
        if (Strings.isNonBlank(password))
            configBuilder.withPassword(password);

        String token = conf.get(KubernetesLocationConfig.OAUTH_TOKEN);
        if (Strings.isNonBlank(token))
            configBuilder.withOauthToken(token);
    }

    Duration clientTimeout = conf.get(KubernetesLocationConfig.CLIENT_TIMEOUT);
    if (clientTimeout.isPositive()) {
        configBuilder.withConnectionTimeout((int) clientTimeout.toMilliseconds());
        configBuilder.withRequestTimeout((int) clientTimeout.toMilliseconds());
    } else {
        throw new IllegalArgumentException(
                "Kubernetes client timeout should be a positive duration: " + clientTimeout.toString());
    }
    Duration actionTimeout = conf.get(KubernetesLocationConfig.ACTION_TIMEOUT);
    if (actionTimeout.isPositive()) {
        configBuilder.withRollingTimeout(actionTimeout.toMilliseconds());
        configBuilder.withScaleTimeout(actionTimeout.toMilliseconds());
    } else {
        throw new IllegalArgumentException(
                "Kubernetes action timeout should be a positive duration: " + actionTimeout.toString());
    }

    return new DefaultKubernetesClient(configBuilder.build());
}

From source file:com.codereligion.diff.internal.linewriter.IterableLineWriter.java

/**
 * Transforms the given iterable value into a sorted list or throws an {@link MissingComparatorException}
 * if none was found./*from w  w  w .  j  a  v  a2 s  .  c o  m*/
 *
 * @param path the path which describes the position of the given item's iterable in the object graph
 * @param value the property value to sort into a list
 * @return a new sorted list of the given iterable
 * @throws MissingComparatorException if no comparator could be found for the given iterable
 */
private List<Object> transformToSortedList(final String path, final Iterable<Object> value) {
    final List<Object> list = Lists.newArrayList(value);
    final Optional<Object> firstElement = Iterables.tryFind(list, Predicates.notNull());

    if (!firstElement.isPresent()) {
        return list;
    }

    final Comparator<Object> comparator = findComparatorOrThrowException(path, firstElement.get());
    Collections.sort(list, comparator);

    return list;
}

From source file:com.github.jeluard.guayaba.base.PartialFunctions.java

/**
 * Execute result of execution of first {@link PartialFunction} whose return type matches specified `outputType`.
 *
 * @param <I>//from w  ww . jav  a2s  . c o m
 * @param <O>
 * @param <P>
 * @param <PF>
 * @param partialFunctions
 * @param type
 * @param element
 * @return result of first matching {@link PartialFunction}
 */
public static <I, O, P extends O, PF extends PartialFunction<I, ? extends O>> Optional<PF> tryFindForOutput(
        final Iterable<PF> partialFunctions, final Class<? extends P> type, final I element) {
    Preconditions.checkNotNull(partialFunctions, "null partialFunctions");
    Preconditions.checkNotNull(element, "null element");

    return Iterables.tryFind(partialFunctions,
            Predicates.and(new DefinedPredicate(element), new AssignableOutputPredicate(type)));
}

From source file:de.hybris.platform.servicelayer.internal.model.impl.RecordAssert.java

private Optional<PropertyHolder> findHolder(final Iterable<PropertyHolder> holders, final String propertyName) {
    if (holders == null) {
        return Optional.<PropertyHolder>absent();
    }/* w  w  w.  ja va 2s . c  o m*/

    return Iterables.tryFind(holders, new Predicate<PropertyHolder>() {

        @Override
        public boolean apply(final PropertyHolder input) {
            return propertyName.equals(input.getName());
        }
    });
}