Examples with Collection java.util.Collection used on opensource projects

Example 16 with Collection

use of java.util.Collection in project elasticsearch by elastic.

the class UnicastZenPingTests method testResolveReuseExistingNodeConnections.

public void testResolveReuseExistingNodeConnections() throws ExecutionException, InterruptedException {
    final Settings settings = Settings.builder().put("cluster.name", "test").put(TransportSettings.PORT.getKey(), 0).build();
    NetworkService networkService = new NetworkService(settings, Collections.emptyList());
    final BiFunction<Settings, Version, Transport> supplier = (s, v) -> new MockTcpTransport(s, threadPool, BigArrays.NON_RECYCLING_INSTANCE, new NoneCircuitBreakerService(), new NamedWriteableRegistry(Collections.emptyList()), networkService, v);
    NetworkHandle handleA = startServices(settings, threadPool, "UZP_A", Version.CURRENT, supplier, EnumSet.allOf(Role.class));
    closeables.push(handleA.transportService);
    NetworkHandle handleB = startServices(settings, threadPool, "UZP_B", Version.CURRENT, supplier, EnumSet.allOf(Role.class));
    closeables.push(handleB.transportService);
    final boolean useHosts = randomBoolean();
    final Settings.Builder hostsSettingsBuilder = Settings.builder().put("cluster.name", "test");
    if (useHosts) {
        hostsSettingsBuilder.putArray("discovery.zen.ping.unicast.hosts", NetworkAddress.format(new InetSocketAddress(handleB.address.address().getAddress(), handleB.address.address().getPort())));
    } else {
        hostsSettingsBuilder.put("discovery.zen.ping.unicast.hosts", (String) null);
    }
    final Settings hostsSettings = hostsSettingsBuilder.build();
    final ClusterState state = ClusterState.builder(new ClusterName("test")).version(randomNonNegativeLong()).build();
    // connection to reuse
    handleA.transportService.connectToNode(handleB.node);
    // install a listener to check that no new connections are made
    handleA.transportService.addConnectionListener(new TransportConnectionListener() {

        @Override
        public void onConnectionOpened(DiscoveryNode node) {
            fail("should not open any connections. got [" + node + "]");
        }
    });
    final TestUnicastZenPing zenPingA = new TestUnicastZenPing(hostsSettings, threadPool, handleA, EMPTY_HOSTS_PROVIDER);
    zenPingA.start(new PingContextProvider() {

        @Override
        public DiscoveryNodes nodes() {
            return DiscoveryNodes.builder().add(handleA.node).add(handleB.node).localNodeId("UZP_A").build();
        }

        @Override
        public ClusterState clusterState() {
            return ClusterState.builder(state).blocks(ClusterBlocks.builder().addGlobalBlock(STATE_NOT_RECOVERED_BLOCK)).build();
        }
    });
    closeables.push(zenPingA);
    TestUnicastZenPing zenPingB = new TestUnicastZenPing(hostsSettings, threadPool, handleB, EMPTY_HOSTS_PROVIDER);
    zenPingB.start(new PingContextProvider() {

        @Override
        public DiscoveryNodes nodes() {
            return DiscoveryNodes.builder().add(handleB.node).localNodeId("UZP_B").build();
        }

        @Override
        public ClusterState clusterState() {
            return state;
        }
    });
    closeables.push(zenPingB);
    Collection<ZenPing.PingResponse> pingResponses = zenPingA.pingAndWait().toList();
    assertThat(pingResponses.size(), equalTo(1));
    ZenPing.PingResponse ping = pingResponses.iterator().next();
    assertThat(ping.node().getId(), equalTo("UZP_B"));
    assertThat(ping.getClusterStateVersion(), equalTo(state.version()));
}

Example 17 with Collection

use of java.util.Collection in project elasticsearch by elastic.

the class Lucene method files.

/**
     * Returns an iterable that allows to iterate over all files in this segments info
     */
public static Iterable<String> files(SegmentInfos infos) throws IOException {
    final List<Collection<String>> list = new ArrayList<>();
    list.add(Collections.singleton(infos.getSegmentsFileName()));
    for (SegmentCommitInfo info : infos) {
        list.add(info.files());
    }
    return Iterables.flatten(list);
}

Example 18 with Collection

use of java.util.Collection in project che by eclipse.

the class TemplateReaderWriter method read.

/**
	 * Reads templates from an <code>InputSource</code> and adds them to the templates.
	 *
	 * @param source the input source
	 * @param bundle a resource bundle to use for translating the read templates, or <code>null</code> if no translation should occur
	 * @param singleId the template id to extract, or <code>null</code> to read in all templates
	 * @return the read templates, encapsulated in instances of <code>TemplatePersistenceData</code>
	 * @throws IOException if reading from the stream fails
	 */
private TemplatePersistenceData[] read(InputSource source, ResourceBundle bundle, String singleId) throws IOException {
    try {
        Collection templates = new ArrayList();
        Set ids = new HashSet();
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder parser = factory.newDocumentBuilder();
        parser.setErrorHandler(new DefaultHandler());
        Document document = parser.parse(source);
        NodeList elements = document.getElementsByTagName(TEMPLATE_ELEMENT);
        int count = elements.getLength();
        for (int i = 0; i != count; i++) {
            Node node = elements.item(i);
            NamedNodeMap attributes = node.getAttributes();
            if (attributes == null)
                continue;
            String id = getStringValue(attributes, ID_ATTRIBUTE, null);
            if (id != null && ids.contains(id))
                //$NON-NLS-1$
                throw new IOException(TemplatePersistenceMessages.getString("TemplateReaderWriter.duplicate.id"));
            if (singleId != null && !singleId.equals(id))
                continue;
            boolean deleted = getBooleanValue(attributes, DELETED_ATTRIBUTE, false);
            String name = getStringValue(attributes, NAME_ATTRIBUTE);
            name = translateString(name, bundle);
            //$NON-NLS-1$
            String description = getStringValue(attributes, DESCRIPTION_ATTRIBUTE, "");
            description = translateString(description, bundle);
            String context = getStringValue(attributes, CONTEXT_ATTRIBUTE);
            if (name == null || context == null)
                //$NON-NLS-1$
                throw new IOException(TemplatePersistenceMessages.getString("TemplateReaderWriter.error.missing_attribute"));
            boolean enabled = getBooleanValue(attributes, ENABLED_ATTRIBUTE, true);
            boolean autoInsertable = getBooleanValue(attributes, AUTO_INSERTABLE_ATTRIBUTE, true);
            StringBuffer buffer = new StringBuffer();
            NodeList children = node.getChildNodes();
            for (int j = 0; j != children.getLength(); j++) {
                String value = children.item(j).getNodeValue();
                if (value != null)
                    buffer.append(value);
            }
            String pattern = buffer.toString();
            pattern = translateString(pattern, bundle);
            Template template = new Template(name, description, context, pattern, autoInsertable);
            TemplatePersistenceData data = new TemplatePersistenceData(template, enabled, id);
            data.setDeleted(deleted);
            templates.add(data);
            if (singleId != null && singleId.equals(id))
                break;
        }
        return (TemplatePersistenceData[]) templates.toArray(new TemplatePersistenceData[templates.size()]);
    } catch (ParserConfigurationException e) {
        Assert.isTrue(false);
    } catch (SAXException e) {
        //$NON-NLS-1$
        throw (IOException) new IOException("Could not read template file").initCause(e);
    }
    // dummy
    return null;
}

Example 19 with Collection

use of java.util.Collection in project che by eclipse.

the class ContributionTemplateStore method readContributedTemplates.

private Collection readContributedTemplates() throws /*IConfigurationElement[] extensions*/
IOException {
    Collection templates = new ArrayList();
    //		for (int i= 0; i < extensions.length; i++) {
    //			if (extensions[i].getName().equals(TEMPLATE))
    //				createTemplate(templates, extensions[i]);
    //			else if (extensions[i].getName().equals(INCLUDE)) {
    //				readIncludedTemplates(templates, extensions[i]);
    //			}
    //		}
    readIncludedTemplates(templates, "/org/eclipse/templates/default-templates.xml");
    readIncludedTemplates(templates, "/org/eclipse/templates/default-codetemplates.xml");
    return templates;
}

Example 20 with Collection

use of java.util.Collection in project che by eclipse.

the class ContributionTemplateStore method loadContributedTemplates.

/**
	 * Loads the templates contributed via the templates extension point.
	 *
	 * @throws IOException {@inheritDoc}
	 */
protected void loadContributedTemplates() throws IOException {
    //		IConfigurationElement[] extensions= getTemplateExtensions();
    Collection contributed = readContributedTemplates();
    for (Iterator it = contributed.iterator(); it.hasNext(); ) {
        TemplatePersistenceData data = (TemplatePersistenceData) it.next();
        internalAdd(data);
    }
}