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:org.axonframework.samples.trader.query.orderbook.OrderBookListenerIntegrationTest.java

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

    OrderBookId orderBookId = new OrderBookId(orderBook.getIdentifier());
    SellOrderPlacedEvent event = new SellOrderPlacedEvent(orderBookId, orderId, transactionId, 300, 100,
            portfolioId);//  w  w  w  .j  a va  2  s . co m

    orderBookListener.handleSellOrderPlaced(event);
    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(300, orderBookEntry.sellOrders().get(0).getTradeCount());
}

From source file:com.scaleoutsoftware.soss.hserver.hadoop.ReducerWrapperMapred.java

@Override
public void reduce(INKEY key, Iterable<INVALUE> values) throws IOException {
    reducer.reduce(key, values.iterator(), outputCollector, Reporter.NULL);
}

From source file:io.crate.rest.AdminUIHttpIntegrationTest.java

@Before
public void setup() throws ExecutionException, InterruptedException, IOException {
    Iterable<HttpServerTransport> transports = internalCluster().getInstances(HttpServerTransport.class);
    Iterator<HttpServerTransport> httpTransports = transports.iterator();
    address = ((InetSocketTransportAddress) httpTransports.next().boundAddress().publishAddress()).address();
    // place index file
    final Path indexDirectory = internalCluster().getInstance(Environment.class).libFile().resolve("site");
    Files.createDirectories(indexDirectory);
    final Path indexFile = indexDirectory.resolve("index.html");
    Files.write(indexFile, Collections.singletonList("<h1>Crate Admin</h1>"), Charset.forName("UTF-8"));
}

From source file:eu.fthevenet.binjr.data.codec.CsvDecoder.java

/**
 * Returns the columns headers of the CSV file.
 *
 * @param in an input stream for the CSV file.
 * @return the columns headers of the CSV file.
 * @throws IOException                      in the event of an I/O error.
 * @throws DecodingDataFromAdapterException if an error occurred while decoding the CSV file.
 *///from w  w  w  . ja va2 s . c om
public List<String> getDataColumnHeaders(InputStream in) throws IOException, DecodingDataFromAdapterException {
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, encoding))) {
        CSVFormat csvFormat = CSVFormat.DEFAULT.withAllowMissingColumnNames(false).withDelimiter(delimiter);
        Iterable<CSVRecord> records = csvFormat.parse(reader);
        return this.parseColumnHeaders(records.iterator().next());
    }
}

From source file:io.github.alechenninger.monarch.Main.java

public void run(String[] args) throws ParseException, IOException {
    try {/*  w w w .  java2s  .  c  o m*/
        CliInputs cliInputs = CliInputs.parse(args);

        if (cliInputs.helpRequested()) {
            System.out.print(cliInputs.helpMessage());
            return;
        }

        MonarchOptions options = getOptionsFromInputsAndConfigFiles(cliInputs, fileSystem, parsers);

        Path outputDir = options.outputDir().orElseThrow(missingOptionException("output directory"));
        Path dataDir = options.dataDir().orElseThrow(missingOptionException("data directory"));
        Hierarchy hierarchy = options.hierarchy().orElseThrow(missingOptionException("hierarchy"));
        String target = options.target().orElseThrow(missingOptionException("target"));
        Iterable<Change> changes = options.changes();
        Set<String> mergeKeys = options.mergeKeys();

        if (!changes.iterator().hasNext()) {
            System.out.println("No changes provided; formatting target.");
        }

        List<String> affectedSources = hierarchy.hierarchyOf(target).orElseThrow(
                () -> new IllegalArgumentException("Target source not found in hierarchy: " + options.target()))
                .descendants();

        Map<String, Map<String, Object>> currentData = readDataForHierarchy(dataDir, hierarchy);

        Map<String, Map<String, Object>> result = monarch.generateSources(hierarchy, changes, target,
                currentData, mergeKeys);

        for (Map.Entry<String, Map<String, Object>> sourceToData : result.entrySet()) {
            String source = sourceToData.getKey();

            if (!affectedSources.contains(source)) {
                continue;
            }

            Path sourcePath = outputDir.resolve(source);
            ensureParentDirectories(sourcePath);

            SortedMap<String, Object> sorted = new TreeMap<>(sourceToData.getValue());

            if (sorted.isEmpty()) {
                Files.write(sourcePath, new byte[] {});
            } else {
                yaml.dump(sorted, Files.newBufferedWriter(sourcePath, UTF_8));
            }
        }
    } catch (MonarchException | ParseException e) {
        e.printStackTrace();
        System.out.print(CliInputs.parse(new String[0]).helpMessage());
    }
}

From source file:edu.indiana.d2i.htrc.io.index.solr.SolrRecordReader.java

@Override
public boolean nextKeyValue() throws IOException, InterruptedException {
    if (iditerator.hasNext()) {
        // normal route
        //         String id = iditerator.next();
        //         key.set(id);
        //         
        //         String[] idlst = new String[1];
        //         idlst[0] = id;
        //         Iterable<NamedVector> tfs = client.getTermVectors(idlst);
        //         value.set(tfs.iterator().next()); // only one vector
        //         
        //         count++;
        //         return true;

        // handle Solr exception
        do {//from   w  w  w . j av  a2  s.  c om
            String id = iditerator.next();
            key.set(id);

            String[] idlst = new String[1];
            idlst[0] = id;
            Iterable<NamedVector> tfs = client.getTermVectors(idlst);
            if (tfs != null) { // otherwise, skip this book id
                value.set(tfs.iterator().next()); // only one vector

                //               logger.info("set value for " + ((NamedVector)value.get()).getName());
                count++;
                return true;
            }
        } while (iditerator.hasNext());
        return false;
    } else {
        return false;
    }
}

From source file:thingynet.hierarchy.HierarchyTest.java

@Test
public void getChildrenShouldReturnExpectedHierarchies() {
    Hierarchy parent = hierarchyService.createRoot(PARENT, null);
    Hierarchy child1 = hierarchyService.createChild(parent, CHILD, null);
    Hierarchy child2 = hierarchyService.createChild(parent, SIBLING, null);
    hierarchyService.createRoot(OTHER, null);

    Iterable<Hierarchy> actual = hierarchyService.getChildren(parent);
    assertThat(actual.iterator().next().getPath(), is(child1.getPath()));
    assertThat(actual.iterator().next().getPath(), is(child2.getPath()));
    assertThat(actual.iterator().hasNext(), is(false));
}

From source file:org.mitre.openid.connect.config.JsonMessageSource.java

/**
 * Get a value from a single map/*from   w w w . jav a2s. c o  m*/
 * @param code
 * @param locale
 * @param lang
 * @return
 */
private String getValue(String code, JsonObject lang) {

    // if there's no language map, nothing to look up
    if (lang == null) {
        return null;
    }

    JsonElement e = lang;

    Iterable<String> parts = Splitter.on('.').split(code);
    Iterator<String> it = parts.iterator();

    String value = null;

    while (it.hasNext()) {
        String p = it.next();
        if (e.isJsonObject()) {
            JsonObject o = e.getAsJsonObject();
            if (o.has(p)) {
                e = o.get(p); // found the next level
                if (!it.hasNext()) {
                    // we've reached a leaf, grab it
                    if (e.isJsonPrimitive()) {
                        value = e.getAsString();
                    }
                }
            } else {
                // didn't find it, stop processing
                break;
            }
        } else {
            // didn't find it, stop processing
            break;
        }
    }

    return value;

}

From source file:gobblin.data.management.copy.converter.UnGzipConverterTest.java

@Test
public void testExtensionStripping() throws DataConversionException, IOException {
    List<String> helloWorldFiles = ImmutableList.of("helloworld.txt.gzip", "helloworld.txt.gz");
    UnGzipConverter converter = new UnGzipConverter();

    FileSystem fs = FileSystem.getLocal(new Configuration());

    for (String fileName : helloWorldFiles) {
        String filePath = "unGzipConverterTest/" + fileName;
        String fullPath = getClass().getClassLoader().getResource(filePath).getFile();

        FileAwareInputStream fileAwareInputStream = new FileAwareInputStream(
                CopyableFileUtils.getTestCopyableFile(filePath, "/tmp/" + fileName, null, null),
                fs.open(new Path(fullPath)));

        Iterable<FileAwareInputStream> iterable = converter.convertRecord("outputSchema", fileAwareInputStream,
                new WorkUnitState());
        FileAwareInputStream out = iterable.iterator().next();

        Assert.assertEquals(out.getFile().getDestination().getName(), "helloworld.txt");
        String contents = IOUtils.toString(out.getInputStream(), StandardCharsets.UTF_8);

        Assert.assertEquals(contents, "helloworld\n");
    }/*from ww w . j a  v  a  2s.  co m*/

}

From source file:thingynet.hierarchy.HierarchyTest.java

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

    HashSet<String> expectedIds = new HashSet<>();
    expectedIds.add(grandChild.getPath());
    expectedIds.add(greatGrandChild.getPath());

    Iterable<Hierarchy> actual = hierarchyService.getDescendants(child, 2);
    while (actual.iterator().hasNext()) {
        Hierarchy descendant = actual.iterator().next();
        assertThat(expectedIds.remove(descendant.getPath()), is(true));
    }//from  w  w  w .j  a va  2  s  .c o  m
    assertThat(expectedIds.size(), is(0));
}