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

Introduction

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

Prototype

@Override
    public UnmodifiableIterator<E> iterator() 

Source Link

Usage

From source file:org.caleydo.view.bicluster.sorting.FuzzyClustering.java

public List<IntFloat> filter(float threshold, int maxElements, EThresholdMode mode) {
    if (threshold == 0 && maxElements == UNBOUND_NUMBER) {
        switch (mode) {
        case ABS:
            return memberships.asList();
        case NEGATIVE_ONLY:
            return negatives(0, UNBOUND_NUMBER);
        case POSITVE_ONLY:
            return positives(0, UNBOUND_NUMBER);
        }/*from   w ww. j a  v a 2 s.  co  m*/
    }
    ImmutableList<IntFloat> negatives = mode.includeNegatives() ? negatives(threshold, maxElements)
            : ImmutableList.<IntFloat>of();
    ImmutableList<IntFloat> positives = mode.includePositives() ? positives(threshold, maxElements)
            : ImmutableList.<IntFloat>of();
    if (maxElements == UNBOUND_NUMBER || (negatives.size() + positives.size()) <= maxElements) //just add negatives and positives
        return ConcatedList.concat(negatives, positives);

    if (negatives.isEmpty()) {
        return positives.subList(Math.max(0, positives.size() - maxElements), positives.size());
    }
    if (positives.isEmpty())
        return negatives.subList(0, Math.min(negatives.size(), maxElements));

    // take the abs top X elements
    Iterator<IntFloat> negIt = negatives.iterator();
    Iterator<IntFloat> posIt = Lists.reverse(positives).iterator();
    IntFloat negEnd = null;
    IntFloat negAct = negIt.next();
    IntFloat posStart = null;
    IntFloat posAct = posIt.next();

    for (int i = 0; i < maxElements; ++i) {
        if (negAct == null || (posAct != null && posAct.getMembership() > -negAct.getMembership())) {
            posStart = posAct;
            posAct = posIt.hasNext() ? posIt.next() : null;
        } else {
            negEnd = negAct;
            negAct = negIt.hasNext() ? negIt.next() : null;
        }
    }

    ImmutableSortedSet<IntFloat> headSet = negEnd == null ? ImmutableSortedSet.<IntFloat>of()
            : memberships.headSet(negEnd, true);
    ImmutableSortedSet<IntFloat> tailSet = posStart == null ? ImmutableSortedSet.<IntFloat>of()
            : memberships.tailSet(posStart, true);
    return ConcatedList.concat(headSet.asList(), tailSet.asList());
}

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From source file:com.techcavern.pircbotz.InputParser.java

/**
 * Called when the mode of a channel is set. We process this in
 * order to call the appropriate onOp, onDeop, etc method before
 * finally calling the override-able onMode method.
 * <p>//  w w  w.  j  a va2s.c  om
 * Note that this method is private and is not intended to appear
 * in the javadoc generated documentation.
 *
 * @param target The channel or nick that the mode operation applies to.
 * @param sourceNick The nick of the user that set the mode.
 * @param sourceLogin The login of the user that set the mode.
 * @param sourceHostname The hostname of the user that set the mode.
 * @param mode The mode that has been set.
 */
public void processMode(User user, String target, String mode) {
    if (configuration.getChannelPrefixes().indexOf(target.charAt(0)) >= 0) {
        // The mode of a channel is being changed.
        Channel channel = bot.getUserChannelDao().getChannel(target);
        channel.parseMode(mode);
        ImmutableList<String> modeParsed = ImmutableList.copyOf(StringUtils.split(mode, ' '));
        PeekingIterator<String> params = Iterators.peekingIterator(modeParsed.iterator());

        //Process modes letter by letter, grabbing paramaters as needed
        boolean adding = true;
        String modeLetters = params.next();
        for (int i = 0; i < modeLetters.length(); i++) {
            char curModeChar = modeLetters.charAt(i);
            if (curModeChar == '+')
                adding = true;
            else if (curModeChar == '-')
                adding = false;
            else {
                ChannelModeHandler modeHandler = configuration.getChannelModeHandlers().get(curModeChar);
                if (modeHandler != null)
                    modeHandler.handleMode(bot, channel, user, params, adding, true);
            }
        }
        configuration.getListenerManager()
                .dispatchEvent(new ModeEvent<PircBotZ>(bot, channel, user, mode, modeParsed));
    } else
        // The mode of a user is being changed.
        configuration.getListenerManager().dispatchEvent(
                new UserModeEvent<PircBotZ>(bot, user, bot.getUserChannelDao().getUser(target), mode));
}

---

From source file:org.pircbotx.InputParser.java

/**
 * Called when the mode of a channel is set. We process this in order to
 * call the appropriate onOp, onDeop, etc method before finally calling the
 * override-able onMode method.//from   w w  w .  j a  v a  2s . c  o  m
 * <p>
 * Note that this method is private and is not intended to appear in the
 * javadoc generated documentation.
 *
 * @param target The channel or nick that the mode operation applies to.
 * @param mode The mode that has been set.
 */
public void processMode(UserHostmask userHostmask, User user, String target, String mode) {
    if (configuration.getChannelPrefixes().indexOf(target.charAt(0)) >= 0) {
        // The mode of a channel is being changed.
        Channel channel = bot.getUserChannelDao().getChannel(target);
        channel.parseMode(mode);
        ImmutableList<String> modeParsed = ImmutableList.copyOf(StringUtils.split(mode, ' '));
        PeekingIterator<String> params = Iterators.peekingIterator(modeParsed.iterator());

        //Process modes letter by letter, grabbing paramaters as needed
        boolean adding = true;
        String modeLetters = params.next();
        for (int i = 0; i < modeLetters.length(); i++) {
            char curModeChar = modeLetters.charAt(i);
            if (curModeChar == '+')
                adding = true;
            else if (curModeChar == '-')
                adding = false;
            else {
                ChannelModeHandler modeHandler = configuration.getChannelModeHandlers().get(curModeChar);
                if (modeHandler != null)
                    modeHandler.handleMode(bot, channel, userHostmask, user, params, adding, true);
            }
        }
        configuration.getListenerManager()
                .dispatchEvent(new ModeEvent(bot, channel, userHostmask, user, mode, modeParsed));
    } else {
        // The mode of a user is being changed.
        UserHostmask targetHostmask = bot.getConfiguration().getBotFactory().createUserHostmask(bot, target);
        User targetUser = bot.getUserChannelDao().getUser(target);
        configuration.getListenerManager()
                .dispatchEvent(new UserModeEvent(bot, userHostmask, user, targetHostmask, targetUser, mode));
    }
}

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From source file:com.facebook.presto.sql.planner.RelationPlanner.java

private RelationPlan planCrossJoinUnnest(RelationPlan leftPlan, Join joinNode, Unnest node) {
    RelationType outputDescriptor = analysis.getOutputDescriptor(joinNode);
    RelationType unnestOutputDescriptor = analysis.getOutputDescriptor(node);
    // Create symbols for the result of unnesting
    ImmutableList.Builder<Symbol> unnestedSymbolsBuilder = ImmutableList.builder();
    for (Field field : unnestOutputDescriptor.getVisibleFields()) {
        Symbol symbol = symbolAllocator.newSymbol(field);
        unnestedSymbolsBuilder.add(symbol);
    }//from  www . j  a v a  2 s .c  o m
    ImmutableList<Symbol> unnestedSymbols = unnestedSymbolsBuilder.build();

    // Add a projection for all the unnest arguments
    PlanBuilder planBuilder = initializePlanBuilder(leftPlan);
    planBuilder = appendProjections(planBuilder, node.getExpressions());
    TranslationMap translations = planBuilder.getTranslations();
    ProjectNode projectNode = checkType(planBuilder.getRoot(), ProjectNode.class, "planBuilder.getRoot()");

    ImmutableMap.Builder<Symbol, List<Symbol>> unnestSymbols = ImmutableMap.builder();
    UnmodifiableIterator<Symbol> unnestedSymbolsIterator = unnestedSymbols.iterator();
    for (Expression expression : node.getExpressions()) {
        Type type = analysis.getType(expression);
        Symbol inputSymbol = translations.get(expression);
        if (type instanceof ArrayType) {
            unnestSymbols.put(inputSymbol, ImmutableList.of(unnestedSymbolsIterator.next()));
        } else if (type instanceof MapType) {
            unnestSymbols.put(inputSymbol,
                    ImmutableList.of(unnestedSymbolsIterator.next(), unnestedSymbolsIterator.next()));
        } else {
            throw new IllegalArgumentException("Unsupported type for UNNEST: " + type);
        }
    }
    Optional<Symbol> ordinalitySymbol = node.isWithOrdinality() ? Optional.of(unnestedSymbolsIterator.next())
            : Optional.empty();
    checkState(!unnestedSymbolsIterator.hasNext(), "Not all output symbols were matched with input symbols");

    UnnestNode unnestNode = new UnnestNode(idAllocator.getNextId(), projectNode, leftPlan.getOutputSymbols(),
            unnestSymbols.build(), ordinalitySymbol);
    return new RelationPlan(unnestNode, outputDescriptor, unnestNode.getOutputSymbols(), Optional.empty());
}

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From source file:com.facebook.buck.cxx.PrebuiltCxxLibraryDescription.java

private static SourcePath getApplicableSourcePath(final BuildTarget target, final CellPathResolver cellRoots,
        final ProjectFilesystem filesystem, final BuildRuleResolver ruleResolver, final CxxPlatform cxxPlatform,
        Optional<String> versionSubDir, final String basePathString, final Optional<String> addedPathString) {
    ImmutableList<BuildRule> deps;
    MacroHandler handler = getMacroHandler(Optional.of(cxxPlatform));
    try {/*from  w w w .  j a  v a 2 s. c  o  m*/
        deps = handler.extractBuildTimeDeps(target, cellRoots, ruleResolver, basePathString);
    } catch (MacroException e) {
        deps = ImmutableList.of();
    }
    Path libDirPath = filesystem
            .getPath(expandMacros(handler, target, cellRoots, ruleResolver, basePathString));

    if (versionSubDir.isPresent()) {
        libDirPath = filesystem.getPath(versionSubDir.get()).resolve(libDirPath);
    }

    // If there are no deps then this is just referencing a path that should already be there
    // So just expand the macros and return a PathSourcePath
    if (deps.isEmpty()) {
        Path resultPath = libDirPath;
        if (addedPathString.isPresent()) {
            resultPath = libDirPath
                    .resolve(expandMacros(handler, target, cellRoots, ruleResolver, addedPathString.get()));
        }
        resultPath = target.getBasePath().resolve(resultPath);
        return new PathSourcePath(filesystem, resultPath);
    }

    // If we get here then this is referencing the output from a build rule.
    // This always return a BuildTargetSourcePath
    Path p = filesystem.resolve(libDirPath);
    if (addedPathString.isPresent()) {
        p = p.resolve(addedPathString.get());
    }
    p = filesystem.relativize(p);
    return new BuildTargetSourcePath(deps.iterator().next().getBuildTarget(), p);
}

---

From source file:io.prestosql.sql.planner.RelationPlanner.java

private RelationPlan planCrossJoinUnnest(RelationPlan leftPlan, Join joinNode, Unnest node) {
    RelationType unnestOutputDescriptor = analysis.getOutputDescriptor(node);
    // Create symbols for the result of unnesting
    ImmutableList.Builder<Symbol> unnestedSymbolsBuilder = ImmutableList.builder();
    for (Field field : unnestOutputDescriptor.getVisibleFields()) {
        Symbol symbol = symbolAllocator.newSymbol(field);
        unnestedSymbolsBuilder.add(symbol);
    }//w ww . j a  v a 2 s  .com
    ImmutableList<Symbol> unnestedSymbols = unnestedSymbolsBuilder.build();

    // Add a projection for all the unnest arguments
    PlanBuilder planBuilder = initializePlanBuilder(leftPlan);
    planBuilder = planBuilder.appendProjections(node.getExpressions(), symbolAllocator, idAllocator);
    TranslationMap translations = planBuilder.getTranslations();
    ProjectNode projectNode = (ProjectNode) planBuilder.getRoot();

    ImmutableMap.Builder<Symbol, List<Symbol>> unnestSymbols = ImmutableMap.builder();
    UnmodifiableIterator<Symbol> unnestedSymbolsIterator = unnestedSymbols.iterator();
    for (Expression expression : node.getExpressions()) {
        Type type = analysis.getType(expression);
        Symbol inputSymbol = translations.get(expression);
        if (type instanceof ArrayType) {
            Type elementType = ((ArrayType) type).getElementType();
            if (!SystemSessionProperties.isLegacyUnnest(session) && elementType instanceof RowType) {
                ImmutableList.Builder<Symbol> unnestSymbolBuilder = ImmutableList.builder();
                for (int i = 0; i < ((RowType) elementType).getFields().size(); i++) {
                    unnestSymbolBuilder.add(unnestedSymbolsIterator.next());
                }
                unnestSymbols.put(inputSymbol, unnestSymbolBuilder.build());
            } else {
                unnestSymbols.put(inputSymbol, ImmutableList.of(unnestedSymbolsIterator.next()));
            }
        } else if (type instanceof MapType) {
            unnestSymbols.put(inputSymbol,
                    ImmutableList.of(unnestedSymbolsIterator.next(), unnestedSymbolsIterator.next()));
        } else {
            throw new IllegalArgumentException("Unsupported type for UNNEST: " + type);
        }
    }
    Optional<Symbol> ordinalitySymbol = node.isWithOrdinality() ? Optional.of(unnestedSymbolsIterator.next())
            : Optional.empty();
    checkState(!unnestedSymbolsIterator.hasNext(), "Not all output symbols were matched with input symbols");

    UnnestNode unnestNode = new UnnestNode(idAllocator.getNextId(), projectNode, leftPlan.getFieldMappings(),
            unnestSymbols.build(), ordinalitySymbol);
    return new RelationPlan(unnestNode, analysis.getScope(joinNode), unnestNode.getOutputSymbols());
}

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From source file:com.android.contacts.editor.ContactEditorBaseFragment.java

/**
 * Prepare {@link #mState} for an existing contact.
 *//*  w  w  w  .ja v a  2s. c  o m*/
protected void setStateForExistingContact(String readOnlyDisplayName, boolean isUserProfile,
        ImmutableList<RawContact> rawContacts) {
    setEnabled(true);
    mReadOnlyDisplayName = readOnlyDisplayName;

    mState.addAll(rawContacts.iterator());
    setIntentExtras(mIntentExtras);
    mIntentExtras = null;

    // For user profile, change the contacts query URI
    mIsUserProfile = isUserProfile;
    boolean localProfileExists = false;

    if (mIsUserProfile) {
        for (RawContactDelta rawContactDelta : mState) {
            // For profile contacts, we need a different query URI
            rawContactDelta.setProfileQueryUri();
            // Try to find a local profile contact
            if (rawContactDelta.getValues().getAsString(RawContacts.ACCOUNT_TYPE) == null) {
                localProfileExists = true;
            }
        }
        // Editor should always present a local profile for editing
        if (!localProfileExists) {
            mState.add(createLocalRawContactDelta());
        }
    }
    mExistingContactDataReady = true;
    bindEditors();
}

---

From source file:com.android.contacts.editor.ContactEditorFragment.java

private void bindEditorsForExistingContact(String displayName, boolean isUserProfile,
        ImmutableList<RawContact> rawContacts) {
    setEnabled(true);/* ww  w. jav a  2  s  .  c o m*/
    mDefaultDisplayName = displayName;

    mState.addAll(rawContacts.iterator());
    setIntentExtras(mIntentExtras);
    mIntentExtras = null;

    // For user profile, change the contacts query URI
    mIsUserProfile = isUserProfile;
    boolean localProfileExists = false;

    if (mIsUserProfile) {
        for (RawContactDelta state : mState) {
            // For profile contacts, we need a different query URI
            state.setProfileQueryUri();
            // Try to find a local profile contact
            if (state.getValues().getAsString(RawContacts.ACCOUNT_TYPE) == null) {
                localProfileExists = true;
            }
        }
        // Editor should always present a local profile for editing
        if (!localProfileExists) {
            final RawContact rawContact = new RawContact();
            rawContact.setAccountToLocal();

            RawContactDelta insert = new RawContactDelta(ValuesDelta.fromAfter(rawContact.getValues()));
            insert.setProfileQueryUri();
            mState.add(insert);
        }
    }
    mRequestFocus = true;
    mExistingContactDataReady = true;
    bindEditors();
}

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From source file:com.google.javascript.jscomp.parsing.NewIRFactory.java

private NewIRFactory(String sourceString, StaticSourceFile sourceFile, Config config,
        ErrorReporter errorReporter, ImmutableList<Comment> comments) {
    this.sourceString = sourceString;
    this.nextCommentIter = comments.iterator();
    this.currentComment = nextCommentIter.hasNext() ? nextCommentIter.next() : null;
    this.newlines = Lists.newArrayList();
    this.sourceFile = sourceFile;

    // Pre-generate all the newlines in the file.
    for (int charNo = 0; true; charNo++) {
        charNo = sourceString.indexOf('\n', charNo);
        if (charNo == -1) {
            break;
        }//from  www. j  av a  2 s.  c om
        newlines.add(Integer.valueOf(charNo));
    }

    // Sometimes this will be null in tests.
    this.sourceName = sourceFile == null ? null : sourceFile.getName();

    this.config = config;
    this.errorReporter = errorReporter;
    this.transformDispatcher = new TransformDispatcher();
    // The template node properties are applied to all nodes in this transform.
    this.templateNode = createTemplateNode();

    switch (config.languageMode) {
    case ECMASCRIPT3:
        reservedKeywords = null; // use TokenStream.isKeyword instead
        break;
    case ECMASCRIPT5:
        reservedKeywords = ES5_RESERVED_KEYWORDS;
        break;
    case ECMASCRIPT5_STRICT:
        reservedKeywords = ES5_STRICT_RESERVED_KEYWORDS;
        break;
    case ECMASCRIPT6:
        reservedKeywords = ES5_RESERVED_KEYWORDS;
        break;
    case ECMASCRIPT6_STRICT:
        reservedKeywords = ES5_STRICT_RESERVED_KEYWORDS;
        break;
    default:
        throw new IllegalStateException("unknown language mode");
    }
}

---

From source file:com.google.javascript.jscomp.parsing.IRFactory.java

private IRFactory(String sourceString, StaticSourceFile sourceFile, Config config, ErrorReporter errorReporter,
        ImmutableList<Comment> comments) {
    this.sourceString = sourceString;
    this.nextCommentIter = comments.iterator();
    this.currentComment = nextCommentIter.hasNext() ? nextCommentIter.next() : null;
    this.newlines = new ArrayList<>();
    this.sourceFile = sourceFile;
    this.fileLevelJsDocBuilder = new JSDocInfoBuilder(config.parseJsDocDocumentation);

    // Pre-generate all the newlines in the file.
    for (int charNo = 0; true; charNo++) {
        charNo = sourceString.indexOf('\n', charNo);
        if (charNo == -1) {
            break;
        }//from   w w w  . j  a  v a  2 s .c om
        newlines.add(Integer.valueOf(charNo));
    }

    // Sometimes this will be null in tests.
    this.sourceName = sourceFile == null ? null : sourceFile.getName();

    this.config = config;
    this.errorReporter = errorReporter;
    this.transformDispatcher = new TransformDispatcher();
    // The template node properties are applied to all nodes in this transform.
    this.templateNode = createTemplateNode();

    switch (config.languageMode) {
    case ECMASCRIPT3:
        reservedKeywords = null; // use TokenStream.isKeyword instead
        break;
    case ECMASCRIPT5:
    case ECMASCRIPT6:
        reservedKeywords = ES5_RESERVED_KEYWORDS;
        break;
    case ECMASCRIPT5_STRICT:
    case ECMASCRIPT6_STRICT:
    case ECMASCRIPT6_TYPED:
        reservedKeywords = ES5_STRICT_RESERVED_KEYWORDS;
        break;
    default:
        throw new IllegalStateException("unknown language mode: " + config.languageMode);
    }
}

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