Example usage for com.google.common.collect ImmutableSortedSet tailSet

Introduction

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

Prototype

public ImmutableSortedSet<E> tailSet(E fromElement) 

Source Link

Usage

From source file:com.facebook.buck.go.GoDescriptors.java

@VisibleForTesting
static ImmutableMap<Path, Path> getPackageImportMap(ImmutableList<Path> globalVendorPaths, Path basePackagePath,
        Iterable<Path> packageNameIter) {
    Map<Path, Path> importMapBuilder = Maps.newHashMap();
    ImmutableSortedSet<Path> packageNames = ImmutableSortedSet.copyOf(packageNameIter);

    ImmutableList.Builder<Path> vendorPathsBuilder = ImmutableList.builder();
    vendorPathsBuilder.addAll(globalVendorPaths);
    Path prefix = Paths.get("");
    for (Path component : FluentIterable.of(new Path[] { Paths.get("") }).append(basePackagePath)) {
        prefix = prefix.resolve(component);
        vendorPathsBuilder.add(prefix.resolve("vendor"));
    }/*from   ww  w. jav  a  2s.c  o m*/

    for (Path vendorPrefix : vendorPathsBuilder.build()) {
        for (Path vendoredPackage : packageNames.tailSet(vendorPrefix)) {
            if (!vendoredPackage.startsWith(vendorPrefix)) {
                break;
            }

            importMapBuilder.put(MorePaths.relativize(vendorPrefix, vendoredPackage), vendoredPackage);
        }
    }

    return ImmutableMap.copyOf(importMapBuilder);
}

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From source file:com.facebook.buck.features.go.GoDescriptors.java

@VisibleForTesting
static ImmutableMap<Path, Path> getPackageImportMap(ImmutableList<Path> globalVendorPaths, Path basePackagePath,
        Iterable<Path> packageNameIter) {
    Map<Path, Path> importMapBuilder = new HashMap<>();
    ImmutableSortedSet<Path> packageNames = ImmutableSortedSet.copyOf(packageNameIter);

    ImmutableList.Builder<Path> vendorPathsBuilder = ImmutableList.builder();
    vendorPathsBuilder.addAll(globalVendorPaths);
    Path prefix = Paths.get("");
    for (Path component : FluentIterable.from(new Path[] { Paths.get("") }).append(basePackagePath)) {
        prefix = prefix.resolve(component);
        vendorPathsBuilder.add(prefix.resolve("vendor"));
    }//  www  .j a  v  a 2 s  . c  o  m

    for (Path vendorPrefix : vendorPathsBuilder.build()) {
        for (Path vendoredPackage : packageNames.tailSet(vendorPrefix)) {
            if (!vendoredPackage.startsWith(vendorPrefix)) {
                break;
            }

            importMapBuilder.put(MorePaths.relativize(vendorPrefix, vendoredPackage), vendoredPackage);
        }
    }

    return ImmutableMap.copyOf(importMapBuilder);
}

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From source file:com.facebook.buck.io.file.PathListing.java

private static ImmutableSortedSet<Path> subSet(ImmutableSortedSet<Path> paths, FilterMode filterMode,
        int limitIndex) {
    // This doesn't copy the contents of the ImmutableSortedSet. We use it
    // as a simple way to get O(1) access to the set's contents, as otherwise
    // we would have to iterate to find the Nth element.
    ImmutableList<Path> pathsList = paths.asList();
    boolean fullSet = limitIndex == paths.size();
    switch (filterMode) {
    case INCLUDE:
        // Make sure we don't call pathsList.get(pathsList.size()).
        if (!fullSet) {
            paths = paths.headSet(pathsList.get(limitIndex));
        }//from w w w.j  av a 2 s . c o m
        break;
    case EXCLUDE:
        if (fullSet) {
            // Make sure we don't call pathsList.get(pathsList.size()).
            paths = ImmutableSortedSet.of();
        } else {
            paths = paths.tailSet(pathsList.get(limitIndex));
        }
        break;
    }
    return paths;
}

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