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

Introduction

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

Prototype

public static <T> Iterable<T> skip(final Iterable<T> iterable, final int numberToSkip) 

Source Link

Document

Returns a view of iterable that skips its first numberToSkip elements.

Usage

From source file:tool.Lst.java

public static <T> Iterable<T> cdr(Iterable<T> lst) {
    return Iterables.skip(lst, 1);
}

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From source file:org.renjin.primitives.special.SwitchFunction.java

private static SEXP doApply(Context context, Environment rho, FunctionCall call, PairList args) {
    EvalException.check(call.length() > 1, "argument \"EXPR\" is missing");

    SEXP expr = context.evaluate(args.getElementAsSEXP(0), rho);
    EvalException.check(expr.length() == 1, "EXPR must return a length 1 vector");

    Iterable<PairList.Node> branches = Iterables.skip(args.nodes(), 1);

    if (expr instanceof StringVector) {
        String name = ((StringVector) expr).getElementAsString(0);
        if (StringVector.isNA(name)) {
            context.setInvisibleFlag();//from   ww w  .  j  a v a  2  s .com
            return Null.INSTANCE;
        }
        SEXP partialMatch = null;
        int partialMatchCount = 0;
        for (PairList.Node node : branches) {
            if (node.hasTag()) {
                String branchName = node.getTag().getPrintName();
                if (branchName.equals(name)) {
                    return context.evaluate(nextNonMissing(node), rho);
                } else if (branchName.startsWith(name)) {
                    partialMatch = nextNonMissing(node);
                    partialMatchCount++;
                }
            }
        }
        if (partialMatchCount == 1) {
            return context.evaluate(partialMatch, rho);
        } else if (Iterables.size(branches) > 0) {
            PairList.Node last = Iterables.getLast(branches);
            if (!last.hasTag()) {
                return context.evaluate(last.getValue(), rho);
            }
        }

    } else if (expr instanceof AtomicVector) {
        int branchIndex = ((AtomicVector) expr).getElementAsInt(0);
        if (branchIndex >= 1 && branchIndex <= Iterables.size(branches)) {
            return context.evaluate(Iterables.get(branches, branchIndex - 1).getValue(), rho);
        }
    }
    // no match
    return Null.INSTANCE;
}

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From source file:com.madvay.tools.android.perf.common.TraceTransformers.java

public static TT pruneAbove(final Predicate<StackTraceElement> spec) {
    return new TT() {
        @Override/*from   w w  w. j  a va 2  s.c  om*/
        public List<StackTraceElement> apply(List<StackTraceElement> input) {
            int matchIdx = Iterables.indexOf(input, spec);
            if (matchIdx == -1) {
                return Lists.newArrayList();
            }
            return Lists.newArrayList(Iterables.skip(input, matchIdx));
        }
    };
}

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From source file:io.bazel.rules.closure.ClosureUberAlles.java

@Override
public Integer apply(Iterable<String> args) {
    String head = Iterables.getFirst(args, "");
    Iterable<String> tail = Iterables.skip(args, 1);
    // TODO(jart): Include Closure Templates and Stylesheets.
    switch (head) {
    case "JsChecker":
        return new JsChecker.Program().apply(tail);
    case "JsCompiler":
        return new JsCompiler().apply(tail);
    default://from  w w  w  . j  av a 2s .  com
        System.err.println("\nERROR: First flag to ClosureUberAlles should be specific compiler to run, "
                + "e.g. JsChecker\n");
        return 1;
    }
}

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From source file:org.apache.provisionr.amazon.core.ImageTable.java

/**
 * Load the list of AMIs from a resource file (csv format)
 * <p/>//  w w w .j a v a2s .  c om
 * Note: the parser is doing only split by comma. There is no
 * support for escaping line components
 *
 * @param resource path to resource
 * @return an instance of {@see ImageTable}
 * @throws IOException
 */
public static ImageTable fromCsvResource(String resource) throws IOException {
    checkNotNull(resource, "resource is null");

    List<String> lines = Resources.readLines(Resources.getResource(ImageTable.class, resource), Charsets.UTF_8);
    checkArgument(!lines.isEmpty(), "the resource is an empty file");

    final ImmutableTable.Builder<String, String, String> table = ImmutableTable.builder();
    final Iterable<String> headers = extractHeaders(lines);

    int index = 0;
    for (String line : Iterables.skip(lines, 1)) {
        final Iterable<Table.Cell<String, String, String>> cells = combineHeadersWithLinePartsAsTableCells(
                index, headers, COMMA.split(line));
        for (Table.Cell<String, String, String> cell : cells) {
            table.put(cell);
        }
        index++;
    }

    return new ImageTable(table.build());
}

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From source file:see.util.Reduce.java

/**
 * Fold a sequence without an initial value.
 *
 * @param values sequence to fold/*from   ww w  .  j  a  v a  2 s  . c o m*/
 * @param func reducing function
 * @param <T> input and result type
 * @return reduce result
 */
public static <T> T reduce(Iterable<? extends T> values, FoldFunction<? super T, T> func) {
    Preconditions.checkArgument(!Iterables.isEmpty(values), "Cannot reduce empty list");

    return fold(Iterables.getFirst(values, null), Iterables.skip(values, 1), func);
}

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From source file:com.yahoo.yqlplus.engine.internal.java.sequences.Sequences.java

public static <ROW> Iterable<ROW> doSlice(Iterable<ROW> source, int limit, int offset) {
    Preconditions.checkArgument(offset >= 0, "offset >= 0");
    if (offset > 0) {
        source = Iterables.skip(source, offset);
    }/*from  ww w.  j a v  a2 s . c o m*/
    if (limit >= 0) {
        source = Iterables.limit(source, limit);
    }
    return source;
}

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From source file:clocker.docker.location.strategy.basic.BreadthFirstPlacementStrategy.java

@Override
public List<DockerHostLocation> filterLocations(List<DockerHostLocation> locations, Entity context) {
    if (locations == null || locations.isEmpty()) {
        return ImmutableList.of();
    }/*from w ww. ja va2 s  .com*/

    int size = Iterables.size(locations);
    int next = counter.incrementAndGet() % size;
    if (LOG.isDebugEnabled()) {
        LOG.debug("Breadth first strategy using {} of {}", next, size);
    }

    return ImmutableList
            .copyOf(Iterables.concat(Iterables.skip(locations, next), Iterables.limit(locations, next)));
}

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From source file:org.apache.drill.exec.testing.store.NoWriteLocalStore.java

@Override
public Iterator<Map.Entry<String, V>> getRange(final int skip, final int take) {
    return Iterables.limit(Iterables.skip(store.entrySet(), skip), take).iterator();
}

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From source file:org.dcache.sf.StageTask.java

private SfException throwError(List<String> lines) throws SfException {
    String error;//from  ww  w.  jav a2s  .c  o  m
    int errorCode;
    if (lines.isEmpty()) {
        errorCode = 1;
        error = "Sf ??? reported a stage failure without providing a reason.";
    } else {
        try {
            errorCode = Integer.parseInt(lines.get(0));
            error = Joiner.on("\n").join(Iterables.skip(lines, 1));
        } catch (NumberFormatException e) {
            errorCode = 1;
            error = Joiner.on("\n").join(lines);
        }
    }
    throw new SfException(errorCode, error);
}

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