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

Introduction

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

Prototype

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

Source Link

Document

Returns the first element in iterable that satisfies the given predicate; use this method only when such an element is known to exist.

Usage

From source file:com.salesforce.ide.ui.editors.internal.apex.completions.ApexSystemInstanceMembersProcessorForLocals.java

@Override
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
    Collection<AbstractCompletionProposalDisplayable> suggestions = Lists.newArrayList();
    ApexCompletionUtils.CompletionPrefix completionPrefix = null;

    visitVariables(viewer);//from  w  ww.j a v a  2s . co  m

    try {
        if (!getUtil().hasInvokedNewOnSameLine(viewer, offset)) {
            final String prefix = getUtil().getPrefix(viewer, offset);
            completionPrefix = getUtil().determineFullyQualifiedNameFromPrefix(prefix);
            Collection<AbstractCompletionProposalDisplayable> locals = determineWhichLocalsApply(viewer,
                    offset);

            if (completionPrefix.shouldSuggestVariableName()) {
                final String variablePrefix = completionPrefix.segments.get(0);
                suggestions = Collections2.filter(locals, new VariableNamePredicate(variablePrefix));
                return getUtil().createProposal(suggestions, prefix, offset, getLocalsImage());
            } else if (completionPrefix.shouldSuggestVariableMember()) {
                final String variableName = completionPrefix.segments.get(0);
                String memberPrefix = completionPrefix.segments.get(1);

                AbstractCompletionProposalDisplayable found = Iterables.find(locals,
                        new VariableNamePredicate(variableName));

                if (found != null) {
                    LocalInfoWrapper wrapper = (LocalInfoWrapper) found;
                    TypeInfo typeInfo = wrapper.localInfo.getType();

                    Collection<AbstractCompletionProposalDisplayable> accept = typeInfo
                            .accept(new TypeInfoUtil.SystemsInstanceMembersCompletionSuggestor(memberPrefix));
                    return getUtil().createProposal(accept, memberPrefix, offset, getMembersImage());
                }
            }
        }
    } catch (Exception e) {
        logger.warn("Error trying to generate auto-completion for local variables", e);
    }

    return new ICompletionProposal[0];
}

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From source file:org.jclouds.glesys.compute.functions.ServerDetailsToNodeMetadata.java

protected OperatingSystem parseOperatingSystem(ServerDetails from) {
    try {/*from   w  w w . j  a v a  2  s .c o m*/
        return Iterables.find(images.get(), new FindImageForServer(from)).getOperatingSystem();
    } catch (NoSuchElementException e) {
        logger.debug("could not find a matching image for server %s", from);
    }
    return null;
}

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From source file:org.ow2.play.metadata.service.MetadataServiceImpl.java

@Override
@WebMethod/* w w  w. j  av a 2s . c o m*/
public Metadata getMetadataValue(final Resource resource, final String key) throws MetadataException {

    if (resource == null || resource.getName() == null || resource.getUrl() == null || key == null) {
        throw new MetadataException("Null parameters");
    }

    org.ow2.play.metadata.service.document.MetaResource mr = mongoTemplate.findOne(
            query(where("resource.name").is(resource.getName()).and("resource.url").is(resource.getUrl())
                    .and("metadata").elemMatch(where("name").is(key))),
            org.ow2.play.metadata.service.document.MetaResource.class);
    if (mr == null) {
        return null;
    }

    return Iterables.find(mr.metadata, new Predicate<Metadata>() {
        public boolean apply(Metadata element) {
            return element.getName().equals(key);
        };
    });
}

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From source file:bear.core.Stage.java

public Address findRemoteEnvironment() {
    return Iterables.find(addresses, Predicates.instanceOf(SshAddress.class));

}

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From source file:org.obiba.opal.rest.client.magma.RestDatasource.java

private ValueTable getCachedValueTable(final String tableName) {
    return Iterables.find(super.getValueTables(), new Predicate<ValueTable>() {
        @Override// www .  j  a va 2 s  .c  o  m
        public boolean apply(ValueTable input) {
            return tableName.equals(input.getName());
        }
    });
}

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From source file:com.optimaize.langdetect.profiles.util.LanguageProfileValidator.java

/**
 * Run the n-fold validation.// w w w.  j  a v  a 2s .  c  om
 * @return the average probability over all runs.
 */
public double validate() {
    // remove a potential duplicate LanguageProfile
    this.removeLanguageProfile(this.languageProfileBuilder.build().getLocale().getLanguage());

    List<TextObject> partitionedInput = partition();
    List<Double> probabilities = new ArrayList<>(this.k);

    System.out.println("------------------- Running " + this.k + "-fold cross-validation -------------------");

    for (int i = 0; i < this.k; i++) {
        System.out.println(" ----------------- Run " + (i + 1) + " -------------------");
        LanguageProfileBuilder lpb = new LanguageProfileBuilder(this.languageProfileBuilder);
        TextObject testSample = partitionedInput.get(i);

        List<TextObject> trainingSamples = new ArrayList<>(partitionedInput);
        trainingSamples.remove(i);
        for (TextObject token : trainingSamples) {
            lpb.addText(token);
        }
        final LanguageProfile languageProfile = lpb.build();

        this.languageProfiles.add(languageProfile);

        final LanguageDetector languageDetector = LanguageDetectorBuilder.create(NgramExtractors.standard())
                .withProfiles(this.languageProfiles).build();

        // remove the newly created LanguageProfile for the next round
        this.languageProfiles.remove(this.languageProfiles.size() - 1);

        List<DetectedLanguage> detectedLanguages = languageDetector.getProbabilities(testSample);

        try {
            DetectedLanguage kResult = Iterables.find(detectedLanguages, new Predicate<DetectedLanguage>() {
                public boolean apply(DetectedLanguage language) {
                    return language.getLocale().getLanguage().equals(languageProfile.getLocale().getLanguage());
                }
            });

            probabilities.add(kResult.getProbability());
            System.out.println("Probability: " + kResult.getProbability());

        } catch (NoSuchElementException e) {
            System.out.println("No match. Probability: 0");
            probabilities.add(0D);
        }
    }

    double sum = 0D;
    for (Double token : probabilities) {
        sum += token;
    }
    double avg = sum / this.k;

    System.out.println("The average probability over all runs is: " + avg);

    return avg;
}

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From source file:com.google.devtools.build.lib.rules.android.AndroidBuildViewTestCase.java

protected ActionAnalysisMetadata getResourceClassJarAction(final ConfiguredTarget target) {
    JavaRuleOutputJarsProvider jarProvider = target.getProvider(JavaRuleOutputJarsProvider.class);
    assertThat(jarProvider).isNotNull();
    return getGeneratingAction(Iterables.find(jarProvider.getOutputJars(), new Predicate<OutputJar>() {
        @Override//from   ww  w .ja  v  a2 s.c o  m
        public boolean apply(@Nullable OutputJar outputJar) {
            assertThat(outputJar).isNotNull();
            assertThat(outputJar.getClassJar()).isNotNull();
            return outputJar.getClassJar().getFilename()
                    .equals(target.getTarget().getName() + "_resources.jar");
        }
    }).getClassJar());
}

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From source file:msi.gaml.descriptions.ActionDescription.java

public boolean containsArg(final String s) {
    final IDescription formalArg = Iterables.find(getFormalArgs(), input -> input.getName().equals(s));
    return formalArg != null;
}

---

From source file:org.jclouds.ec2.compute.functions.ImageParser.java

@Override
public Image apply(final org.jclouds.ec2.domain.Image from) {
    if (from.getImageType() != ImageType.MACHINE) {
        logger.trace("skipping as not a machine image(%s)", from.getId());
        return null;
    }//from   w ww.j  a  va2  s.  c  om
    ImageBuilder builder = new ImageBuilder();
    builder.providerId(from.getId());
    builder.id(from.getRegion() + "/" + from.getId());
    builder.description(from.getDescription() != null ? from.getDescription() : from.getImageLocation());
    builder.userMetadata(ImmutableMap.<String, String>of("owner", from.getImageOwnerId(), "rootDeviceType",
            from.getRootDeviceType().toString()));

    OsFamily osFamily = parseOsFamilyOrNull(provider, from.getImageLocation());
    String osName = null;
    String osArch = from.getVirtualizationType();
    String osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, from.getImageLocation(),
            osVersionMap);
    String osDescription = from.getImageLocation();
    boolean is64Bit = from.getArchitecture() == Architecture.X86_64;
    try {
        Matcher matcher = getMatcherAndFind(from.getImageLocation());
        if (matcher.pattern() == AMZN_PATTERN) {
            osFamily = OsFamily.AMZN_LINUX;
            osVersion = matcher.group(1);
            builder.version(osVersion);
        } else if (matcher.pattern() == NEBULA_PATTERN) {
            osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(2),
                    osVersionMap);
        } else {
            osFamily = OsFamily.fromValue(matcher.group(1));
            osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(2),
                    osVersionMap);
            builder.version(matcher.group(3).replace(".manifest.xml", ""));
        }
    } catch (IllegalArgumentException e) {
        logger.debug("<< didn't match os(%s)", from.getImageLocation());
    } catch (NoSuchElementException e) {
        logger.debug("<< didn't match at all(%s)", from.getImageLocation());
    }

    builder.defaultCredentials(credentialProvider.execute(from));

    try {
        builder.location(Iterables.find(locations.get(), new Predicate<Location>() {

            @Override
            public boolean apply(Location input) {
                return input.getId().equals(from.getRegion());
            }

        }));
    } catch (NoSuchElementException e) {
        System.err.printf("unknown region %s for image %s; not in %s", from.getRegion(), from.getId(),
                locations);
        builder.location(new LocationImpl(LocationScope.REGION, from.getRegion(), from.getRegion(),
                defaultLocation.get().getParent()));
    }
    builder.operatingSystem(new OperatingSystem(osFamily, osName, osVersion, osArch, osDescription, is64Bit));
    return builder.build();
}

---

From source file:org.jclouds.aws.ec2.compute.functions.ImageParser.java

@Override
public Image apply(final org.jclouds.aws.ec2.domain.Image from) {
    if (from.getImageType() != ImageType.MACHINE) {
        logger.trace("skipping as not a machine image(%s)", from.getId());
        return null;
    }// ww w. j  a v  a2 s  .c  om
    ImageBuilder builder = new ImageBuilder();
    builder.providerId(from.getId());
    builder.id(from.getRegion() + "/" + from.getId());
    builder.description(from.getDescription() != null ? from.getDescription() : from.getImageLocation());
    builder.userMetadata(ImmutableMap.<String, String>of("owner", from.getImageOwnerId(), "rootDeviceType",
            from.getRootDeviceType().toString()));

    OsFamily osFamily = parseOsFamilyOrNull(provider, from.getImageLocation());
    String osName = null;
    String osArch = from.getVirtualizationType();
    String osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, from.getImageLocation(),
            osVersionMap);
    String osDescription = from.getImageLocation();
    boolean is64Bit = from.getArchitecture() == Architecture.X86_64;
    try {
        Matcher matcher = getMatcherAndFind(from.getImageLocation());
        if (matcher.pattern() == AMZN_PATTERN) {
            osFamily = OsFamily.AMZN_LINUX;
            osVersion = matcher.group(1);
            builder.version(osVersion);
        } else if (matcher.pattern() == NEBULA_PATTERN) {
            osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(2),
                    osVersionMap);
        } else {
            osFamily = OsFamily.fromValue(matcher.group(1));
            osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(2),
                    osVersionMap);
            builder.version(matcher.group(3).replace(".manifest.xml", ""));
        }
    } catch (IllegalArgumentException e) {
        logger.debug("<< didn't match os(%s)", from.getImageLocation());
    } catch (NoSuchElementException e) {
        logger.debug("<< didn't match at all(%s)", from.getImageLocation());
    }

    builder.defaultCredentials(credentialProvider.execute(from));

    try {
        builder.location(Iterables.find(locations.get(), new Predicate<Location>() {

            @Override
            public boolean apply(Location input) {
                return input.getId().equals(from.getRegion());
            }

        }));
    } catch (NoSuchElementException e) {
        System.err.printf("unknown region %s for image %s; not in %s", from.getRegion(), from.getId(),
                locations);
        builder.location(new LocationImpl(LocationScope.REGION, from.getRegion(), from.getRegion(),
                defaultLocation.get().getParent()));
    }
    builder.operatingSystem(new OperatingSystem(osFamily, osName, osVersion, osArch, osDescription, is64Bit));
    return builder.build();
}

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