Example usage for com.google.common.collect ImmutableList get

Introduction

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

Prototype

E get(int index);

Source Link

Document

Returns the element at the specified position in this list.

Usage

From source file:com.github.rinde.opt.localsearch.Swaps.java

static <T> ImmutableList<T> replace(ImmutableList<T> list, IntList indices, ImmutableList<T> elements) {
    checkIndices(indices, elements);//from  w  w  w  .j a  v  a 2 s .  c o  m
    final List<T> newL = newArrayList(list);
    for (int i = 0; i < indices.size(); i++) {
        newL.set(indices.getInt(i), elements.get(i));
    }
    return ImmutableList.copyOf(newL);
}

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From source file:de.ii.xtraplatform.feature.provider.pgis.MixAndMatch.java

public static <T> Source<T, NotUsed> create(Predicate<Pair<T, T>> matcher, Source<T, NotUsed>... sources) {
    ImmutableList<Source<T, ?>> sourcesList = ImmutableList.copyOf(sources);

    return Source.combine(sourcesList.get(0), sourcesList.get(1),
            sourcesList.size() > 2 ? sourcesList.subList(2, sourcesList.size()) : ImmutableList.of(),
            numberOfSources -> new MixAndMatchStage<>(numberOfSources, matcher));
}

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From source file:de.ii.xtraplatform.feature.provider.pgis.MixAndMatch.java

public static <T> Source<T, NotUsed> create(Map<Integer, List<Integer>> sourceNesting,
        Map<Integer, Predicate<Pair<T, T>>> matchers, int mainSourceIndex, Source<T, NotUsed>... sources) {
    ImmutableList<Source<T, ?>> sourcesList = ImmutableList.copyOf(sources);

    return Source.combine(sourcesList.get(0), sourcesList.get(1),
            sourcesList.size() > 2 ? sourcesList.subList(2, sourcesList.size()) : ImmutableList.of(),
            numberOfSources -> new MixAndMatchStage<>(numberOfSources, sourceNesting, matchers,
                    mainSourceIndex));//from   ww  w.j  av a  2 s. com
}

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From source file:com.facebook.buck.rust.RustCompileUtils.java

/**
 * Given a list of sources, return the one which is the root based on the defaults and user
 * parameters./*from  w w  w.  j a v a2  s.c o  m*/
 *
 * @param resolver Source path resolver for rule
 * @param crate    Name of crate
 * @param defaults Default names for this rule (library, binary, etc)
 * @param sources  List of sources
 * @return The matching source
 */
public static Optional<SourcePath> getCrateRoot(SourcePathResolver resolver, String crate,
        Optional<SourcePath> crateRoot, ImmutableSet<String> defaults, Stream<SourcePath> sources) {
    String crateName = String.format("%s.rs", crate);
    ImmutableList<SourcePath> res = sources.filter(src -> {
        String name = resolver.getRelativePath(src).getFileName().toString();
        return crateRoot.map(src::equals).orElse(false) || defaults.contains(name) || name.equals(crateName);
    }).collect(MoreCollectors.toImmutableList());

    if (res.size() == 1) {
        return Optional.of(res.get(0));
    } else {
        return Optional.empty();
    }
}

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From source file:org.glowroot.local.store.Schemas.java

private static void createTable(@Untainted String tableName, ImmutableList<Column> columns,
        Connection connection) throws SQLException {
    StringBuilder sql = new StringBuilder();
    sql.append("create table ");
    sql.append(tableName);//www . j  av a 2 s  .  com
    sql.append(" (");
    for (int i = 0; i < columns.size(); i++) {
        if (i > 0) {
            sql.append(", ");
        }
        String sqlTypeName = sqlTypeNames.get(columns.get(i).type());
        checkNotNull(sqlTypeName, "Unexpected sql type: %s", columns.get(i).type());
        sql.append(columns.get(i).name());
        sql.append(" ");
        sql.append(sqlTypeName);
        if (columns.get(i).primaryKey()) {
            sql.append(" primary key");
        } else if (columns.get(i).identity()) {
            sql.append(" identity");
        }
    }
    sql.append(")");
    execute(castUntainted(sql.toString()), connection);
    if (tableNeedsUpgrade(tableName, columns, connection)) {
        logger.warn("table {} thinks it still needs to be upgraded, even after it was just" + " upgraded",
                tableName);
    }
}

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From source file:com.facebook.stats.mx.StatsUtil.java

private static String serializeHistogram(QuantileDigest digest) {
    int buckets = 100;

    long min = digest.getMin();
    long max = digest.getMax();
    long bucketSize = (max - min + buckets) / buckets;

    ImmutableList.Builder<Long> boundaryBuilder = ImmutableList.builder();
    for (int i = 1; i < buckets + 1; ++i) {
        boundaryBuilder.add(min + bucketSize * i);
    }// w w w .  ja  v a 2s .c  om

    ImmutableList<Long> boundaries = boundaryBuilder.build();
    List<QuantileDigest.Bucket> counts = digest.getHistogram(boundaries);

    StringBuilder builder = new StringBuilder();

    // add bogus bucket (fb303 ui ignores the first one, for whatever reason)
    builder.append("-1:0:0,");

    for (int i = 0; i < boundaries.size(); ++i) {
        long lowBoundary = min;
        if (i > 0) {
            lowBoundary = boundaries.get(i - 1);
        }

        builder.append(lowBoundary).append(':').append(Math.round(counts.get(i).getCount())).append(':')
                .append(Math.round(counts.get(i).getMean())).append(',');
    }

    // add a final bucket so that fb303 ui shows the max value
    builder.append(max);
    builder.append(":0:0");

    return builder.toString();
}

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From source file:com.google.template.soy.shared.internal.MainEntryPointUtils.java

/**
 * Maps output paths to indices of inputs that should be emitted to them.
 *
 * @param locale The locale for the file path, or null if not applicable.
 * @param outputPathFormat The format string defining how to format output file paths.
 * @param inputPathsPrefix The input path prefix, or empty string if none.
 * @param fileNodes A list of the SoyFileNodes being written.
 * @return A map of output file paths to their respective input indicies.
 *//*  w ww .  j  a v a2s.c  om*/
public static Multimap<String, Integer> mapOutputsToSrcs(@Nullable String locale, String outputPathFormat,
        String inputPathsPrefix, ImmutableList<SoyFileNode> fileNodes) {
    Multimap<String, Integer> outputs = ArrayListMultimap.create();

    // First, check that the parent directories for all output files exist, and group the output
    // files by the inputs that go there.
    // This means that the compiled source from multiple input files might be written to a single
    // output file, as is the case when there are multiple inputs, and the output format string
    // contains no wildcards.
    for (int i = 0; i < fileNodes.size(); ++i) {
        SoyFileNode inputFile = fileNodes.get(i);
        String inputFilePath = inputFile.getFilePath();
        String outputFilePath = MainEntryPointUtils.buildFilePath(outputPathFormat, locale, inputFilePath,
                inputPathsPrefix);

        BaseUtils.ensureDirsExistInPath(outputFilePath);
        outputs.put(outputFilePath, i);
    }
    return outputs;
}

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From source file:com.facebook.presto.sql.planner.iterative.rule.ExtractSpatialJoins.java

private static QualifiedObjectName toQualifiedObjectName(String name, String catalog, String schema) {
    ImmutableList<String> ids = ImmutableList.copyOf(Splitter.on('.').split(name));
    if (ids.size() == 3) {
        return new QualifiedObjectName(ids.get(0), ids.get(1), ids.get(2));
    }/*  ww  w  .j a v  a 2 s  .c om*/

    if (ids.size() == 2) {
        return new QualifiedObjectName(catalog, ids.get(0), ids.get(1));
    }

    if (ids.size() == 1) {
        return new QualifiedObjectName(catalog, schema, ids.get(0));
    }

    throw new PrestoException(INVALID_SPATIAL_PARTITIONING, format("Invalid name: %s", name));
}

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From source file:com.google.template.soy.jbcsrc.Expression.java

/**
 * Checks that the given expressions are compatible with the given types.
 *///  w ww. jav  a 2s.co m
static void checkTypes(ImmutableList<Type> types, Iterable<? extends Expression> exprs) {
    int size = Iterables.size(exprs);
    checkArgument(size == types.size(), "Supplied the wrong number of parameters. Expected %s, got %s",
            types.size(), size);
    int i = 0;
    for (Expression expr : exprs) {
        expr.checkAssignableTo(types.get(i), "Parameter %s", i);
        i++;
    }
}

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From source file:com.analog.lyric.collect.Supers.java

/**
 * Returns a new array containing {@code elements}, which must be a subclass of {@code rootClass},
 * with component type set to nearest common superclass ({@link #nearestCommonSuperClass(Object...)})
 * of the objects it contains that is no deeper than {@code maxClassDepthBelowRoot} below {@code rootClass}.
 * //from   ww w.ja v  a  2 s. c om
 * @see #narrowArrayOf(Object...)
 * @see #copyOf(Class, Object...)
 */

public static <T> T[] narrowArrayOf(Class<? extends Object> rootClass, int maxRelativeClassDepth,
        T[] elements) {
    if (elements.length == 0) {
        if (rootClass.equals(elements.getClass().getComponentType())) {
            return elements;
        } else {
            @SuppressWarnings("unchecked")
            final T[] array = (T[]) Array.newInstance(rootClass, 0);
            return array;
        }
    }
    Class<?> c = nearestCommonSuperClass(elements);
    if (maxRelativeClassDepth < 500) {
        ImmutableList<Class<?>> supers = superClasses(c);
        final int maxClassDepth = numberOfSuperClasses(rootClass) + maxRelativeClassDepth;
        if (maxClassDepth < supers.size()) {
            c = supers.get(maxClassDepth);
        }
    }
    return copyOf(c, elements);
}

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