Example usage for java.util Collections EMPTY

Introduction

In this page you can find the example usage for java.util Collections EMPTY_MAP.

Prototype

Map EMPTY_MAP

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Document

The empty map (immutable).

Usage

From source file:org.apache.tiles.definition.TestUrlDefinitionsFactory.java

/**
 * Tests the readDefinitions method under normal conditions.
 *
 * @throws Exception If something goes wrong.
 *//*from   ww  w  .ja v  a  2s  . c  o  m*/
@SuppressWarnings("unchecked")
public void testReadDefinitions() throws Exception {
    DefinitionsFactory factory = new UrlDefinitionsFactory();

    // Set up multiple data sources.
    URL url1 = this.getClass().getClassLoader().getResource("org/apache/tiles/config/defs1.xml");
    assertNotNull("Could not load defs1 file.", url1);
    URL url2 = this.getClass().getClassLoader().getResource("org/apache/tiles/config/defs2.xml");
    assertNotNull("Could not load defs2 file.", url2);
    URL url3 = this.getClass().getClassLoader().getResource("org/apache/tiles/config/defs3.xml");
    assertNotNull("Could not load defs3 file.", url3);

    factory.init(Collections.EMPTY_MAP);
    factory.addSource(url1);
    factory.addSource(url2);
    factory.addSource(url3);

    // Parse files.
    Definitions definitions = factory.readDefinitions();

    assertNotNull("test.def1 definition not found.", definitions.getDefinition("test.def1"));
    assertNotNull("test.def2 definition not found.", definitions.getDefinition("test.def2"));
    assertNotNull("test.def3 definition not found.", definitions.getDefinition("test.def3"));
}

From source file:URISupport.java

@SuppressWarnings("unchecked")
private static Map<String, String> emptyMap() {
    return Collections.EMPTY_MAP;
}

From source file:com.tuplejump.stargate.lucene.query.function.AggregateFunction.java

@Override
public List<Row> process(ResultMapper resultMapper, ColumnFamilyStore table, RowIndex currentIndex)
        throws Exception {
    Options options = resultMapper.searchSupport.getOptions();
    if (aggregates.length == 1 && !aggregates[0].distinct && "count".equalsIgnoreCase(aggregates[0].getType())
            && groupBy == null) {
        //this means it is a count-star. we can simply return the size of the index results
        Count count = new Count(aggregates[0], false);
        count.count = resultMapper.collector.docs().size();
        group.groups.put(new Tuple(options.nestedFields, Collections.EMPTY_MAP, simpleExpressions), count);
        Row row = resultMapper.tableMapper.getRowWithMetaColumn(group.toByteBuffer());
        return Collections.singletonList(row);
    }//from  w  ww  .  j  a v a 2s . c  o m
    Tuple tuple = createTuple(options);
    if (resultMapper.collector.canByPassRowFetch()) {
        for (IndexEntryCollector.IndexEntry indexEntry : resultMapper.collector.docs()) {
            load(tuple, indexEntry);
            group.addTuple(tuple);
        }
    } else {
        RowFetcher rowFetcher = new RowFetcher(resultMapper);
        for (Row row : rowFetcher.fetchRows()) {
            resultMapper.tableMapper.load(positions, tuple, row);
            group.addTuple(tuple);
        }

    }
    Utils.SimpleTimer timer3 = Utils.getStartedTimer(SearchSupport.logger);
    ByteBuffer groupBuffer = group.toByteBuffer();
    timer3.endLogTime("Aggregation serialization  [" + group.groups.size() + "] results");

    Row row = resultMapper.tableMapper.getRowWithMetaColumn(groupBuffer);
    return Collections.singletonList(row);
}

From source file:org.jhk.pulsing.search.elasticsearch.client.ESRestClient.java

public Optional<String> putDocument(String index, String type, long id, Map<String, String> jsonObject) {
    String endpoint = new StringJoiner("/").add(index).add(type).add(id + "").toString();

    _LOGGER.debug("ESRestClient.putDocument: " + endpoint + " - " + jsonObject);
    try {/*from  w w w  .j  a v  a2 s  .c  om*/
        Optional<Response> response = performRequest("PUT", endpoint, Collections.EMPTY_MAP,
                new NStringEntity(_objectMapper.writeValueAsString(jsonObject)), EMPTY_HEADER);

        if (response.isPresent()) {
            HttpEntity hEntity = response.get().getEntity();
            String result = EntityUtils.toString(hEntity);

            _LOGGER.debug("ESRestClient.putDocument: result - " + result);
            return Optional.of(result);
        }
    } catch (IOException iException) {
        iException.printStackTrace();
    }

    return Optional.empty();
}

From source file:de.hybris.platform.util.config.ConfigPerformanceIntTest.java

protected void runAccessor(final int threads, final String callType,
        final TestThreadsHolder<PropertyAccessor> randomAccessHolder) {

    randomAccessHolder.startAll();/*from w w  w  . j  a  v  a  2 s . com*/
    try {
        Thread.sleep(WAIT_SECONDS * 1000);
    } catch (final InterruptedException e) {
        Thread.currentThread().interrupt();
    }
    assertTrue("not all test threads shut down orderly", randomAccessHolder.stopAndDestroy(30));
    assertEquals("found worker errors", Collections.EMPTY_MAP, randomAccessHolder.getErrors());

    long totalCalls = 0;
    for (final PropertyAccessor r : randomAccessHolder.getRunners()) {

        totalCalls += r.getAccessCount();
        if (!r.occurredErrors.isEmpty()) {
            for (final Throwable t : r.occurredErrors) {
                LOG.error(t);
                Assert.fail(t.getMessage());
            }
        }

    }

    assertTrue(totalCalls > 0);

    final String[] header = { callType, "duration [sec]", "threads", "opers/sec" };
    ASCIITable.getInstance().printTable(header, new String[][] { { //
            String.valueOf(totalCalls), String.valueOf(WAIT_SECONDS), String.valueOf(threads),
            String.valueOf(totalCalls / WAIT_SECONDS), // 
            } //
    });

}

From source file:org.apache.cocoon.components.treeprocessor.variables.VariableResolver.java

/**
 * Build a <code>Map</code> from a Map of named <code>ListOfMapResolver</code>s and
 * a list of Maps used for resolution./*  www.  jav a  2  s  .  c om*/
 *
 * @return a fully resolved <code>Map</code>.
 */
public static Map buildMap(Map expressions, InvokeContext context, Map objectModel) throws PatternException {
    int size;
    if (expressions == null || (size = expressions.size()) == 0) {
        return Collections.EMPTY_MAP;
    }

    Map result;
    if (expressions instanceof Locatable) {
        result = new SitemapParameters.LocatedHashMap(((Locatable) expressions).getLocation(), size);
    } else {
        result = new HashMap(size);
    }

    Iterator iter = expressions.entrySet().iterator();
    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        result.put(((VariableResolver) entry.getKey()).resolve(context, objectModel),
                ((VariableResolver) entry.getValue()).resolve(context, objectModel));
    }

    return result;
}

From source file:architecture.ee.web.community.struts2.action.ajax.MySocialNetworkAction.java

protected Map<Media, SocialNetwork> getConnectedSocialNetworkMap() {
    if (getUser().isAnonymous())
        return Collections.EMPTY_MAP;

    Map<Media, SocialNetwork> map = new HashMap<Media, SocialNetwork>();
    for (SocialNetwork network : getConnectedSocialNetworks()) {
        map.put(network.getSocialServiceProvider().getMedia(), network);
    }/*  w w  w.  j a  v a2 s .c o  m*/
    return map;
}

From source file:com.adobe.acs.commons.mcp.impl.processes.renovator.RenovatorTest.java

@Test(expected = RepositoryException.class)
public void testRequiredFields() throws LoginException, DeserializeException, RepositoryException {
    assertEquals("Renovator: relocator test", instance.getName());
    instance.init(rr, Collections.EMPTY_MAP);
    tool.buildProcess(instance, rr);//  w w  w .ja va  2 s .co m
    fail("That should have thrown an error");
}

From source file:org.codehaus.griffon.plugins.DefaultGriffonPlugin.java

public DefaultGriffonPlugin(Class pluginClass, Resource resource, GriffonContext application) {
    super(pluginClass, application);
    // create properties
    this.dependencies = Collections.EMPTY_MAP;
    this.pluginDescriptor = resource;
    this.resolver = new PathMatchingResourcePatternResolver();
    initialisePlugin(pluginClass);//from  w w w . j av  a  2 s . c  o m
}

From source file:net.di2e.ecdr.describe.endpoint.rest.CDRRestDescribeService.java

@Override
public Map<String, String> getProperties() {
    return Collections.EMPTY_MAP;
}

Example usage for java.util Collections EMPTY_MAP

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