Example usage for java.util Collections EMPTY_MAP

Introduction

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

Prototype

Map EMPTY_MAP

To view the source code for java.util Collections EMPTY_MAP.

Click Source Link

Document

The empty map (immutable).

Usage

From source file:com.pscnlab.train.services.impls.TrainPeopleServiceImpl.java

@Override
public Map<Integer, List<TrainPeople>> findMapByTrainIds(List<Integer> es) {
    List<TrainPeople> trainPeoples = this.findListByTrainIds(es);
    if (CollectionUtils.isEmpty(trainPeoples)) {
        return Collections.EMPTY_MAP;
    }/* ww  w.j  ava  2  s .  c  om*/
    return trainPeoples.stream().collect(Collectors.groupingBy(TrainPeople::getUuidTrain));
}

---

From source file:net.mlw.vlh.adapter.hibernate3.util.StatementBuilder.java

/**
 * Usage of filters: {key} -> :keyName add to query's parameter map keyValue
 * [key] -> keyValue//  w  w  w  . j a v a  2 s  . c  o  m
 * 
 * @param hql
 * @param whereClause
 * @return Query for ordinary list
 * @throws HibernateException
 * @throws ParseException
 */
public Query generate(Session session, StringBuffer hql, Map whereClause, boolean isRemoveEmptyStrings)
        throws HibernateException, ParseException {
    if (whereClause == null) {
        whereClause = Collections.EMPTY_MAP;
    }

    Map arguments = new HashMap();

    // Include or exclude the filters.
    for (int i = 0, end = 0, start; ((start = hql.toString().indexOf("/~", end)) >= 0); i++) {
        end = hql.toString().indexOf("~/", start);
        String key = hql.substring(start + 2, hql.indexOf(":", start));

        Object value = whereClause.get(key);
        if (isValuePopulated(value, isRemoveEmptyStrings)) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("The filter key=[" + key + "] with the value=[" + value
                        + "] is accepted by the hql preprocesor");
            }
            hql.replace(start, end + 2, hql.substring(hql.indexOf(":", start) + 1, end));
        } else {
            if (LOGGER.isInfoEnabled()) {
                LOGGER.info("The filter key=[" + key + "] is removed from the query by the hql preprocesor.");
            }
            hql.replace(start, end + 2, "");

        }
        end -= start;
    }

    // Replace any [key] with the value in the whereClause Map.
    for (int i = 0, end = 0, start; ((start = hql.toString().indexOf('[', end)) >= 0); i++) {
        end = hql.toString().indexOf(']', start);
        String key = hql.substring(start + 1, end);

        Object value = whereClause.get(key);
        hql.replace(start, end + 1, (value == null) ? "" : value.toString());
        end -= (key.length() + 2);
    }

    // Replace any "{key}" with the value in the whereClause Map,
    // then placing the value in the partameters list.
    for (int i = 0, end = 0, start; ((start = hql.toString().indexOf('{', end)) >= 0); i++) {
        end = hql.toString().indexOf('}', start);

        String key = hql.substring(start + 1, end);

        Object value = whereClause.get(key);
        if (value == null) {
            throw new NullPointerException("Property '" + key + "' was not provided.");
        }
        arguments.put(key, value);
        hql.replace(start, end + 1, ":" + key);
        end -= (key.length() + 2);
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("The final query is " + hql);
    }
    Query query = session.createQuery(hql.toString());
    // Now set all the patameters on the statement.

    if (setters == null) {
        for (Iterator keys = arguments.keySet().iterator(); keys.hasNext();) {
            String key = (String) keys.next();
            Object value = arguments.get(key);
            if (value instanceof List) {
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug("Setting a paremeterList to the query.");
                }
                query.setParameterList(key, ((List) value).toArray());
            } else {
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug(
                            "Using the default setter for key=[" + key + "] with the value=[" + value + "]");
                }
                getDefaultSetter().set(query, key, value);
            }
        }
    } else {
        for (Iterator keys = arguments.keySet().iterator(); keys.hasNext();) {
            String key = (String) keys.next();
            Object value = arguments.get(key);
            getSetter(key).set(query, key, value);
        }
    }

    return query;
}

---

From source file:com.impetus.kundera.persistence.EntityManagerFactoryBuilder.java

/**
 * Builds up EntityManagerFactory for a given persistenceUnitName and
 * overriding properties./*w  w  w. j av  a  2  s. c om*/
 * 
 * @param persistenceUnitName
 *            the persistence unit name
 * @param override
 *            the override
 * @return the entity manager factory
 */
public EntityManagerFactory buildEntityManagerFactory(String persistenceUnitName,
        Map<Object, Object> override) {
    Properties props = new Properties();
    // Override properties

    KunderaMetadata kunderaMetadata = KunderaMetadata.INSTANCE;
    PersistenceUnitMetadata puMetadata = kunderaMetadata.getApplicationMetadata()
            .getPersistenceUnitMetadata(persistenceUnitName);

    Properties metadataProperties = puMetadata.getProperties();
    // Make sure, it's empty or Unmodifiable
    override = override == null ? Collections.EMPTY_MAP : Collections.unmodifiableMap(override);

    // Take all from Metadata and override with supplied map
    for (Map.Entry<Object, Object> entry : metadataProperties.entrySet()) {
        Object key = entry.getKey();
        Object value = entry.getValue();

        if (override.containsKey(key)) {
            value = override.get(key);
        }
        props.put(key, value);
    }

    // Now take all the remaining ones from override
    for (Map.Entry<Object, Object> entry : override.entrySet()) {
        Object key = entry.getKey();
        Object value = entry.getValue();

        if (!props.containsKey(key)) {
            props.put(key, value);
        }
    }

    LOG.info("Building EntityManagerFactory for name: " + puMetadata.getPersistenceUnitName()
            + ", and Properties:" + props);
    return new EntityManagerFactoryImpl(puMetadata, props);
}

---

From source file:org.apache.beam.sdk.io.elasticsearch.ElasticSearchIOTestUtils.java

/**
 * Synchronously deletes the target if it exists and then (re)creates it as a copy of source
 * synchronously./*w  w w.  jav  a  2 s  .  com*/
 */
static void copyIndex(RestClient restClient, String source, String target) throws IOException {
    deleteIndex(restClient, target);
    HttpEntity entity = new NStringEntity(
            String.format("{\"source\" : { \"index\" : \"%s\" }, \"dest\" : { \"index\" : \"%s\" } }", source,
                    target),
            ContentType.APPLICATION_JSON);
    restClient.performRequest("POST", "/_reindex", Collections.EMPTY_MAP, entity);
}

---

From source file:org.geoserver.kml.KMLTest.java

@Override
protected void onSetUp(SystemTestData testData) throws Exception {
    super.onSetUp(testData);
    Catalog catalog = getCatalog();/*from w  w w  .  j av  a  2s  . c o m*/
    testData.addStyle("notthere", "notthere.sld", getClass(), catalog);
    testData.addStyle("scaleRange", "scaleRange.sld", getClass(), catalog);
    testData.addVectorLayer(STORM_OBS, Collections.EMPTY_MAP, "storm_obs.properties", getClass(), catalog);
}

---

From source file:io.fabric8.spring.cloud.discovery.KubernetesServiceInstance.java

public Map<String, String> getMetadata() {
    return Collections.EMPTY_MAP;
}

---

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

public Optional<String> getDocument(String index, String type, String id) {
    String endpoint = new StringJoiner("/").add(index).add(type).add(id).toString();

    try {/*ww  w .ja  va  2s .c  o m*/
        Optional<Response> response = performRequest("GET", endpoint, Collections.EMPTY_MAP, null,
                EMPTY_HEADER);
        if (response.isPresent()) {
            HttpEntity hEntity = response.get().getEntity();
            String result = EntityUtils.toString(hEntity);

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

    return Optional.empty();
}

---

From source file:org.jasig.services.persondir.support.xml.XmlPersonAttributeDaoTest.java

public void testQueryByUsername() {
    final IPersonAttributes boringPerson = this.xmlPersonAttributeDao.getPerson("iboring");
    assertNotNull(boringPerson);/*from w  ww.  j  a v a2s  . c  o  m*/
    assertEquals("iboring", boringPerson.getName());
    assertEquals(Collections.EMPTY_MAP, boringPerson.getAttributes());

    final IPersonAttributes mstaffPerson = this.xmlPersonAttributeDao.getPerson("mstaff");
    assertNotNull(mstaffPerson);
    assertEquals("mstaff", mstaffPerson.getName());

    final Map<String, List<String>> mstaffAttributes = new LinkedHashMap<String, List<String>>();
    mstaffAttributes.put("givenName", Arrays.asList("Mary"));
    mstaffAttributes.put("familyName", Arrays.asList("Staff"));
    mstaffAttributes.put("email", Arrays.asList("mstaff@example.edu"));
    mstaffAttributes.put("emplid", Arrays.asList("963852741"));
    mstaffAttributes.put("portalId", Arrays.asList("!@#$%^*()_+"));

    assertEquals(mstaffAttributes, mstaffPerson.getAttributes());

    final IPersonAttributes nullPerson = this.xmlPersonAttributeDao.getPerson("doesntexist");
    assertNull(nullPerson);
}

---

From source file:org.apereo.services.persondir.support.xml.XmlPersonAttributeDaoTest.java

public void testQueryByUsername() {
    final IPersonAttributes boringPerson = this.xmlPersonAttributeDao.getPerson("iboring");
    assertNotNull(boringPerson);//from  ww  w  .ja  v a 2 s  .co  m
    assertEquals("iboring", boringPerson.getName());
    assertEquals(Collections.EMPTY_MAP, boringPerson.getAttributes());

    final IPersonAttributes mstaffPerson = this.xmlPersonAttributeDao.getPerson("mstaff");
    assertNotNull(mstaffPerson);
    assertEquals("mstaff", mstaffPerson.getName());

    final Map<String, List<String>> mstaffAttributes = new LinkedHashMap<>();
    mstaffAttributes.put("givenName", Arrays.asList("Mary"));
    mstaffAttributes.put("familyName", Arrays.asList("Staff"));
    mstaffAttributes.put("email", Arrays.asList("mstaff@example.edu"));
    mstaffAttributes.put("emplid", Arrays.asList("963852741"));
    mstaffAttributes.put("portalId", Arrays.asList("!@#$%^*()_+"));

    assertEquals(mstaffAttributes, mstaffPerson.getAttributes());

    final IPersonAttributes nullPerson = this.xmlPersonAttributeDao.getPerson("doesntexist");
    assertNull(nullPerson);
}

---

From source file:org.fishwife.jrugged.spring.retry.ClassifierSimpleRetryPolicy.java

/***
 * Constructor./*from  w ww.  ja va  2 s  .c o  m*/
 *
 * @param maxAttempts The maximum number of attempts allowed
 * @param classifier The classifier used to determine if an exception should trigger a retry
 */
public ClassifierSimpleRetryPolicy(int maxAttempts, Classifier<Throwable, Boolean> classifier) {
    super(maxAttempts, Collections.EMPTY_MAP);
    this.classifier = classifier;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »