Example usage for com.google.common.collect Lists newArrayListWithCapacity

Introduction

In this page you can find the example usage for com.google.common.collect Lists newArrayListWithCapacity.

Prototype

@GwtCompatible(serializable = true)
public static <E> ArrayList<E> newArrayListWithCapacity(int initialArraySize)

Source Link

Document

Creates an ArrayList instance backed by an array with the specified initial size; simply delegates to ArrayList#ArrayList(int) .

Usage

From source file:com.atlassian.jira.rest.client.test.matchers.IssueMatchers.java

public static Matcher<Iterable<? extends BasicIssue>> issuesWithKeys(String... keys) {
    final Collection<Matcher<? super BasicIssue>> matchers = Lists.newArrayListWithCapacity(keys.length);
    for (String key : keys) {
        matchers.add(withIssueKey(key));
    }//from  w w w . j ava2  s.c o m
    return IsIterableContainingInAnyOrder.containsInAnyOrder(matchers);
}

From source file:com.atlassian.jira.rest.client.test.matchers.NamedEntityMatchers.java

public static Matcher<Iterable<? extends NamedEntity>> entitiesWithNames(String... names) {
    final Collection<Matcher<? super NamedEntity>> matchers = Lists.newArrayListWithCapacity(names.length);
    for (String key : names) {
        matchers.add(withName(key));//from   w w  w. ja  v a  2  s .c o m
    }
    return IsIterableContainingInAnyOrder.containsInAnyOrder(matchers);
}

From source file:com.ebay.pulsar.analytics.metricstore.druid.query.model.QueryCacheHelper.java

public static byte[] computePostAggregatorBytes(List<BasePostAggregator> postaggregators) {
    List<byte[]> cacheKeySet = Lists.newArrayListWithCapacity(postaggregators.size());

    int totalSize = 0;
    for (BasePostAggregator agg : postaggregators) {
        final byte[] cacheKey = agg.cacheKey();
        cacheKeySet.add(cacheKey);//from   w w w.j  a v a 2s .  c o m
        totalSize += cacheKey.length;
    }

    ByteBuffer retVal = ByteBuffer.allocate(totalSize);
    for (byte[] bytes : cacheKeySet) {
        retVal.put(bytes);
    }
    return retVal.array();
}

From source file:io.druid.sql.calcite.table.DruidTables.java

/**
 * Returns the "natural" rowOrder for a Druid table. This is the order that a scan without projection would return.
 *
 * @param druidTable druid table// w ww  . j  a va  2s  .c o m
 *
 * @return natural row order
 */
public static List<String> rowOrder(final DruidTable druidTable) {
    final List<String> rowOrder = Lists.newArrayListWithCapacity(druidTable.getColumnCount());
    for (int i = 0; i < druidTable.getColumnCount(); i++) {
        rowOrder.add(druidTable.getColumnName(i));
    }
    return rowOrder;
}

From source file:com.atlassian.jira.rest.client.test.matchers.AddressableEntityMatchers.java

public static Matcher<Iterable<? extends AddressableEntity>> entitiesWithSelf(URI... uris) {
    final Collection<Matcher<? super AddressableEntity>> matchers = Lists.newArrayListWithCapacity(uris.length);
    for (URI uri : uris) {
        matchers.add(withSelf(uri));//from ww w  . j a  v a 2 s  .  c om
    }
    return IsIterableContainingInAnyOrder.containsInAnyOrder(matchers);
}

From source file:tachyon.io.Utils.java

/**
 * Converts a list of byte buffers to a list of base64-encoded Strings.
 *///from  w w w .  j  av  a  2 s .  c o m
public static List<String> byteBufferListToBase64(List<ByteBuffer> bufs) {
    if (bufs == null) {
        return null;
    }

    List<String> bytes = Lists.newArrayListWithCapacity(bufs.size());
    for (ByteBuffer buf : bufs) {
        bytes.add(byteBufferToBase64(buf));
    }
    return bytes;
}

From source file:org.apache.drill.exec.planner.sql.parser.DrillCompoundIdentifier.java

private static List<String> getNames(List<IdentifierHolder> identifiers) {
    List<String> names = Lists.newArrayListWithCapacity(identifiers.size());
    for (IdentifierHolder h : identifiers) {
        names.add(h.value);//from   www  .j av a2  s  .c  o m
    }
    return names;
}

From source file:com.torodb.torod.db.backends.query.processors.NotProcessor.java

public static List<ProcessedQueryCriteria> process(NotQueryCriteria criteria,
        QueryCriteriaVisitor<List<ProcessedQueryCriteria>, Void> visitor) {

    List<ProcessedQueryCriteria> childResults = criteria.getSubQueryCriteria().accept(visitor, null);

    List<ProcessedQueryCriteria> result = Lists.newArrayListWithCapacity(childResults.size() * 2);

    for (ProcessedQueryCriteria cr : childResults) {
        //if the structure query is not a tautology (=always true)
        //then we add the negation of the given expression with no data query
        if (cr.getStructureQuery() != null && !TrueQueryCriteria.getInstance().equals(cr.getStructureQuery())) {
            result.add(new ProcessedQueryCriteria(new NotQueryCriteria(cr.getStructureQuery()), null));
        }//from   w ww . jav  a  2 s. c  o  m
        if (cr.getDataQuery() != null && !TrueQueryCriteria.getInstance().equals(cr.getDataQuery())) {
            result.add(new ProcessedQueryCriteria(cr.getStructureQuery(),
                    new NotQueryCriteria(cr.getDataQuery())));
        }
    }
    return result;
}

From source file:com.torodb.torod.db.postgresql.query.processors.OrProcessor.java

public static List<ProcessedQueryCriteria> process(OrQueryCriteria criteria,
        QueryCriteriaVisitor<List<ProcessedQueryCriteria>, Void> visitor) {

    List<ProcessedQueryCriteria> child1Result = criteria.getSubQueryCriteria1().accept(visitor, null);
    List<ProcessedQueryCriteria> child2Result = criteria.getSubQueryCriteria2().accept(visitor, null);

    List<ProcessedQueryCriteria> result = Lists
            .newArrayListWithCapacity(child1Result.size() + child2Result.size());
    result.addAll(child1Result);// ww  w. ja va  2 s . com
    result.addAll(child2Result);

    return result;

}

From source file:co.cask.tephra.util.TransactionEditUtil.java

/**
 * Generates a number of semi-random {@link TransactionEdit} instances.
 * These are just randomly selected from the possible states, so would not necessarily reflect a real-world
 * distribution.//w w w  . jav  a 2  s.  c om
 *
 * @param numEntries how many entries to generate in the returned list.
 * @return a list of randomly generated transaction log edits.
 */
public static List<TransactionEdit> createRandomEdits(int numEntries) {
    List<TransactionEdit> edits = Lists.newArrayListWithCapacity(numEntries);
    for (int i = 0; i < numEntries; i++) {
        TransactionEdit.State nextType = TransactionEdit.State.values()[random.nextInt(6)];
        long writePointer = Math.abs(random.nextLong());
        switch (nextType) {
        case INPROGRESS:
            edits.add(TransactionEdit.createStarted(writePointer, writePointer - 1,
                    System.currentTimeMillis() + 300000L, TransactionType.SHORT));
            break;
        case COMMITTING:
            edits.add(TransactionEdit.createCommitting(writePointer, generateChangeSet(10)));
            break;
        case COMMITTED:
            edits.add(TransactionEdit.createCommitted(writePointer, generateChangeSet(10), writePointer + 1,
                    random.nextBoolean()));
            break;
        case INVALID:
            edits.add(TransactionEdit.createInvalid(writePointer));
            break;
        case ABORTED:
            edits.add(TransactionEdit.createAborted(writePointer, TransactionType.SHORT, null));
            break;
        case MOVE_WATERMARK:
            edits.add(TransactionEdit.createMoveWatermark(writePointer));
            break;
        }
    }
    return edits;
}