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

Introduction

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

Prototype

public static <T> T get(Iterator<T> iterator, int position) 

Source Link

Document

Advances iterator position + 1 times, returning the element at the position th position.

Usage

From source file:org.jnario.lib.JnarioIteratorExtensions.java

/**
  * Returns the element at the specified position in the arguments.
  */*ww  w  .ja  v  a  2  s  .c o m*/
  * @param index index of the element to return
  * @return the element at the specified position in this argument list
  * @throws IndexOutOfBoundsException if the index is out of range
  *         (<tt>index &lt; 0 || index &gt;= size()</tt>)
  */
public static <T> T get(Iterator<T> iterator, int index) {
    return Iterators.get(iterator, index);
}

---

From source file:io.druid.client.selector.RandomServerSelectorStrategy.java

@Override
public QueryableDruidServer pick(Set<QueryableDruidServer> servers, DataSegment segment) {
    return Iterators.get(servers.iterator(), random.nextInt(servers.size()));
}

---

From source file:org.apache.druid.client.selector.RandomServerSelectorStrategy.java

@Override
public QueryableDruidServer pick(Set<QueryableDruidServer> servers, DataSegment segment) {
    return Iterators.get(servers.iterator(), ThreadLocalRandom.current().nextInt(servers.size()));
}

---

From source file:org.matsim.contrib.dynagent.examples.random.RandomDynAgentLogic.java

static <E> E chooseRandomElement(Set<E> set) {
    int randomIndex = MatsimRandom.getRandom().nextInt(set.size());
    return Iterators.get(set.iterator(), randomIndex);
}

---

From source file:de.faustedition.facsimile.FacsimileTile.java

public ImageReader createImageReader() throws IOException {
    final ImageInputStream imageInputStream = ImageIO.createImageInputStream(file);
    final ImageReader imageReader = Iterators.get(ImageIO.getImageReaders(imageInputStream), 0);
    imageReader.setInput(imageInputStream);
    return imageReader;
}

---

From source file:org.opendaylight.yangtools.yang.data.api.StackedReversePathArguments.java

@Override
public PathArgument get(final int index) {
    return Iterators.get(iterator(), index);
}

---

From source file:org.ow2.sirocco.cloudmanager.api.openstack.server.resources.nova.ServerActions.java

@Override
public Response action(InputStream stream) {
    if (stream == null) {
        return badRequest("ServerAction", "undefined : empty payload");
    }//from  w w w.  j a  v a  2s.  co  m

    ObjectMapper mapper = new ObjectMapper();
    JsonNode rootNode = null; // src can be a File, URL, InputStream etc
    try {
        rootNode = mapper.readValue(stream, JsonNode.class);
    } catch (IOException e) {
        return computeFault(500, "Error while reading JSON", e.getMessage());
    }

    String actionName = Iterators.get(rootNode.getFieldNames(), 0);
    Action action = getAction(actionName);
    if (action == null) {
        return computeFault(500, "Can not retrieve action", "Action not found for " + actionName);
    } else {
        return action.invoke(getServerId(), rootNode);
    }
}

---

From source file:at.ac.univie.isc.asio.CaptureEvents.java

/**
 * Get the i-th captured event of the expected type.
 *//*from w w w .  j a  va2  s . c o  m*/
public EVENT get(final int index) {
    assert index < captured.size();
    return Iterators.get(captured().iterator(), index);
}

---

From source file:com.blurengine.blur.modules.filters.lexer.FilterRecursiveDescentParser.java

private Filter factor() {
    Filter result = null;/* w w w  . j av a 2  s  .  c o  m*/

    next();
    if (current == null) {
        throw new RuntimeException("Expression Malformed: " + this.input);
    }
    switch (current.getType()) {
    case PLAINTEXT:
        String filterId = current.getData().trim();
        check(!filterId.isEmpty(), "Filter name is somehow empty.");

        if (this.index < this.tokens.size() - 1) {
            // Peek to make sure syntax is correct.
            Token token = Iterators.get(this.tokens.iterator(), index + 1);
            check(token.getType() != TokenType.PLAINTEXT, "A token must follow a filter.");
        }
        result = filterIdGetter.apply(filterId);
        Preconditions.checkArgument(result != null, "Filter id '%s' not found.", filterId);
        next();
        return result;
    case TRUE:
        result = Filters.ALWAYS_ALLOW;
        next();
        return result;
    case FALSE:
        result = Filters.ALWAYS_DENY;
        next();
        return result;
    case NOT:
        return factor().inverse();
    case LEFTPAREN:
        result = expression();
        next();
        return result;
    }
    return result;
}

---

From source file:com.ansorgit.plugins.bash.lang.psi.util.BashAbstractProcessor.java

/**
 * Returns the best results. It takes all the elements which have been rated the best
 * and returns the first / last, depending on the parameter.
 *
 * @param results          The results to check
 * @param firstResult      If the first element of the best element list should be returned.
 * @param referenceElement//from w ww  .  java 2  s.  c  o m
 * @return The result
 */
private PsiElement findBestResult(Multimap<Integer, PsiElement> results, boolean firstResult,
        PsiElement referenceElement) {
    if (!hasResults()) {
        return null;
    }

    if (firstResult) {
        return Iterators.get(results.values().iterator(), 0);
    }

    //if the first should not be used return the best element
    int referenceLevel = preferNeigbourhood && (referenceElement != null)
            ? BashPsiUtils.blockNestingLevel(referenceElement)
            : 0;

    // find the best suitable result rating
    // The best one is as close as possible to the given referenceElement
    int bestRating = Integer.MAX_VALUE;
    int bestDelta = Integer.MAX_VALUE;
    for (int rating : results.keySet()) {
        final int delta = Math.abs(referenceLevel - rating);
        if (delta < bestDelta) {
            bestDelta = delta;
            bestRating = rating;
        }
    }

    // now get the best result
    // if there are equal definitions on the same level we prefer the first if the neighbourhood is not preferred
    if (preferNeigbourhood) {
        return Iterators.getLast(results.get(bestRating).iterator());
    } else {
        //return the element which has the lowest textOffset
        long smallestOffset = Integer.MAX_VALUE;
        PsiElement bestElement = null;

        for (PsiElement e : results.get(bestRating)) {
            //if the element is injected compute the text offset in the real file
            int textOffset = e.getTextOffset();
            if (BashPsiUtils.isInjectedElement(e)) {
                //fixme optimize this
                PsiLanguageInjectionHost injectionHost = InjectedLanguageManager.getInstance(e.getProject())
                        .getInjectionHost(e);
                if (injectionHost != null) {
                    textOffset = textOffset + injectionHost.getTextOffset();
                }
            }

            if (textOffset < smallestOffset) {
                smallestOffset = textOffset;
                bestElement = e;
            }
        }

        return bestElement;
    }
}

---

• «
• 1
• 2
• 3
• »