Example usage for java.lang Iterable iterator

List of usage examples for java.lang Iterable iterator

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Introduction

In this page you can find the example usage for java.lang Iterable iterator.

Prototype

Iterator<T> iterator();

Source Link

Document

Returns an iterator over elements of type T .

Usage

From source file:com.github.rvesse.airline.io.printers.UsagePrinter.java

public UsagePrinter appendLines(Iterable<String> lines, boolean avoidNewlines) {
    Iterator<String> iter = lines.iterator();
    while (iter.hasNext()) {
        String line = iter.next();
        if (line == null || line.isEmpty())
            continue;
        appendWords(arrayToList(line.split("\\s+")), avoidNewlines);
        if (iter.hasNext()) {
            this.newline();
        }/*from   w  w w  . j a  va 2s  . c o m*/
    }
    return this;
}

From source file:com.github.rvesse.airline.model.ArgumentsMetadata.java

public ArgumentsMetadata(Iterable<ArgumentsMetadata> arguments) {
    if (arguments == null)
        throw new NullPointerException("arguments cannot be null");
    if (!arguments.iterator().hasNext())
        throw new IllegalArgumentException("arguments cannot be empty");

    ArgumentsMetadata first = arguments.iterator().next();

    this.titles = first.titles;
    this.description = first.description;
    this.restrictions = first.restrictions;

    Set<Accessor> accessors = new HashSet<>();
    for (ArgumentsMetadata other : arguments) {
        if (!first.equals(other))
            throw new IllegalArgumentException(
                    String.format("Conflicting arguments definitions: %s, %s", first, other));

        accessors.addAll(other.getAccessors());
    }//w  ww.j  a v a 2  s .co m
    this.accessors = SetUtils.unmodifiableSet(accessors);
}

From source file:thingynet.hierarchy.HierarchyTest.java

@Test
public void getDescendantsShouldReturnExpectedHierarchies() {
    Hierarchy parent = hierarchyService.createRoot(PARENT, null);
    Hierarchy child = hierarchyService.createChild(parent, CHILD, null);
    Hierarchy sibling = hierarchyService.createChild(parent, SIBLING, null);
    Hierarchy grandChild = hierarchyService.createChild(child, GRAND_CHILD, null);
    Hierarchy greatGrandChild = hierarchyService.createChild(grandChild, GREAT_GRAND_CHILD, null);

    Hierarchy other = hierarchyService.createRoot(OTHER, null);
    hierarchyService.createChild(other, CHILD, null);

    HashSet<String> expectedIds = new HashSet<>();
    expectedIds.add(child.getPath());/*  w  w  w  . j  a  va  2 s .com*/
    expectedIds.add(sibling.getPath());
    expectedIds.add(grandChild.getPath());
    expectedIds.add(greatGrandChild.getPath());

    Iterable<Hierarchy> actual = hierarchyService.getDescendants(parent);
    while (actual.iterator().hasNext()) {
        Hierarchy descendant = actual.iterator().next();
        assertThat(expectedIds.remove(descendant.getPath()), is(true));
    }
    assertThat(expectedIds.size(), is(0));
}

From source file:org.openbaton.vnfm.core.MediaServerManagement.java

public void deleteByVnfrId(String vnfrId) throws NotFoundException {
    log.debug("Removing all MediaServers running on VNFR with id: " + vnfrId);
    Iterable<MediaServer> mediaServersIterable = mediaServerRepository.findAllByVnrfId(vnfrId);
    if (!mediaServersIterable.iterator().hasNext()) {
        log.warn("Not found any MediaServer for VNFR with id: " + vnfrId);
        return;/*from   w ww.j  a v  a2s  .  com*/
    }
    Iterator<MediaServer> iterator = mediaServersIterable.iterator();
    while (iterator.hasNext()) {
        delete(iterator.next().getId());
    }
    log.info("Removed all MediaServers running on VNFR with id: " + vnfrId);
}

From source file:org.cloudfoundry.client.lib.io.DynamicZipInputStream.java

/**
 * Create a new {@link DynamicZipInputStream} instance.
 *
 * @param entries the zip entries that should be written to the stream
 *///ww  w .  ja v a2 s. c o  m
public DynamicZipInputStream(Iterable<Entry> entries) {
    Assert.notNull(entries, "Entries must not be null");
    this.zipStream = new ZipOutputStream(getOutputStream());
    this.entries = entries.iterator();
}

From source file:org.jongo.AggregateTest.java

@Test
public void canAggregate() throws Exception {

    Iterable<Article> articles = collection.aggregate("{$match:{}}").as(Article.class);

    assertThat(articles.iterator().hasNext()).isTrue();
    for (Article article : articles) {
        assertThat(article.title).isIn("Zombie Panic", "Apocalypse Zombie", "World War Z");
    }//from ww  w .ja  va2s . c om
}

From source file:com.github.rvesse.airline.Accessor.java

public Accessor(Iterable<Field> path) {
    this(path.iterator());
}

From source file:org.axonframework.samples.trader.query.orderbook.OrderBookListenerIntegrationTest.java

@Test
public void testHandleTradeExecuted() throws Exception {
    CompanyEntry company = createCompany();
    OrderBookEntry orderBook = createOrderBook(company);

    OrderId sellOrderId = new OrderId();
    TransactionId sellTransactionId = new TransactionId();
    SellOrderPlacedEvent sellOrderPlacedEvent = new SellOrderPlacedEvent(orderBookId, sellOrderId,
            sellTransactionId, 400, 100, portfolioId);

    orderBookListener.handleSellOrderPlaced(sellOrderPlacedEvent);

    OrderId buyOrderId = new OrderId();
    TransactionId buyTransactionId = new TransactionId();
    BuyOrderPlacedEvent buyOrderPlacedEvent = new BuyOrderPlacedEvent(orderBookId, buyOrderId, buyTransactionId,
            300, 150, portfolioId);/*ww  w.  j  ava2s  .  c o  m*/

    orderBookListener.handleBuyOrderPlaced(buyOrderPlacedEvent);

    Iterable<OrderBookEntry> all = orderBookRepository.findAll();
    OrderBookEntry orderBookEntry = all.iterator().next();
    assertNotNull("The first item of the iterator for orderbooks should not be null", orderBookEntry);
    assertEquals("Test Company", orderBookEntry.getCompanyName());
    assertEquals(1, orderBookEntry.sellOrders().size());
    assertEquals(1, orderBookEntry.buyOrders().size());

    TradeExecutedEvent event = new TradeExecutedEvent(orderBookId, 300, 125, buyOrderId, sellOrderId,
            buyTransactionId, sellTransactionId);
    orderBookListener.handleTradeExecuted(event);

    Iterable<TradeExecutedEntry> tradeExecutedEntries = tradeExecutedRepository.findAll();
    assertTrue(tradeExecutedEntries.iterator().hasNext());
    TradeExecutedEntry tradeExecutedEntry = tradeExecutedEntries.iterator().next();
    assertEquals("Test Company", tradeExecutedEntry.getCompanyName());
    assertEquals(300, tradeExecutedEntry.getTradeCount());
    assertEquals(125, tradeExecutedEntry.getTradePrice());

    all = orderBookRepository.findAll();
    orderBookEntry = all.iterator().next();
    assertNotNull("The first item of the iterator for orderbooks should not be null", orderBookEntry);
    assertEquals("Test Company", orderBookEntry.getCompanyName());
    assertEquals(1, orderBookEntry.sellOrders().size());
    assertEquals(0, orderBookEntry.buyOrders().size());
}

From source file:com.gzj.tulip.jade.statement.JdbcStatement.java

@Override
public Object execute(Map<String, Object> parameters) {
    Object result;/*from  ww  w .j  a v  a2s.  co m*/
    if (batchUpdate) {
        //
        Iterable<?> iterable = (Iterable<?>) parameters.get(":1");
        Iterator<?> iterator = (Iterator<?>) iterable.iterator();
        List<StatementRuntime> runtimes = new LinkedList<StatementRuntime>();
        int index = 0;
        while (iterator.hasNext()) {
            Object arg = iterator.next();
            HashMap<String, Object> clone = new HashMap<String, Object>(parameters);
            // ?
            clone.put(":1", arg);
            if (metaData.getSQLParamAt(0) != null) {
                clone.put(metaData.getSQLParamAt(0).value(), arg);
            }
            StatementRuntime runtime = new StatementRuntimeImpl(metaData, clone);
            for (Interpreter interpreter : interpreters) {
                interpreter.interpret(runtime);
            }
            if (index == 0) {
                log(parameters, runtime);
            }
            runtimes.add(runtime);
            index++;
        }
        result = querier.execute(sqlType, runtimes.toArray(new StatementRuntime[0]));
        result = afterInvocationCallback.execute(runtimes.get(0), result);
    } else {
        StatementRuntime runtime = new StatementRuntimeImpl(metaData, parameters);
        for (Interpreter interpreter : interpreters) {
            interpreter.interpret(runtime);
        }
        log(parameters, runtime);
        result = querier.execute(sqlType, runtime);
        result = afterInvocationCallback.execute(runtime, result);
    }
    return result;

}

From source file:corner.orm.gae.impl.PaginatedJapEntityService.java

License:asdf

public long count(final Class<?> persistClass, final Object conditions) {
    return (Long) this.template.execute(new JpaCallback() {
        @Override/*from  w  w w.  j  a v a  2 s .  com*/
        public Object doInJpa(EntityManager entityManager) throws PersistenceException {
            Iterable con = typeCoercer.coerce(conditions, Iterable.class);
            final Iterator it = con == null ? null : con.iterator();
            final StringBuffer sb = buildConditionJPQL(persistClass, it);
            sb.insert(0, "select count(root) ");
            Query query = entityManager.createQuery(sb.toString());
            if (it != null) {
                int i = 0;
                while (it.hasNext()) {
                    query.setParameter(i++, it.next());
                }
            }
            return Long.parseLong(query.getSingleResult().toString());
        }
    });
}