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.jackrabbit.core.state.ChildNodeEntries.java

/**
 * Initializes the name and entries map with unmodifiable empty instances.
 *///ww w. j  a va 2 s  . co m
private void init() {
    nameMap = Collections.EMPTY_MAP;
    entries = EmptyLinkedMap.INSTANCE;
    shared = false;
}

From source file:org.codehaus.groovy.grails.web.servlet.mvc.AbstractGrailsControllerHelper.java

public Object handleAction(GroovyObject controller, Object action, HttpServletRequest request,
        HttpServletResponse response) {//from  w  w  w . j  a  v a 2  s. c  o m
    return handleAction(controller, action, request, response, Collections.EMPTY_MAP);
}

From source file:org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsControllerHelper.java

public Object handleAction(GroovyObject controller, Closure action, HttpServletRequest request,
        HttpServletResponse response) {//from  ww w . java2s.c o m
    return handleAction(controller, action, request, response, Collections.EMPTY_MAP);
}

From source file:org.openmrs.module.auditlog.api.db.hibernate.interceptor.HibernateAuditLogInterceptor.java

@Override
public void onCollectionRemove(Object collection, Serializable key) throws CallbackException {
    //We need to get all collection elements and link their childlogs to the parent's
    if (collection != null) {
        PersistentCollection persistentColl = (PersistentCollection) collection;
        if (InterceptorUtil.isAudited(persistentColl.getOwner().getClass())) {
            Object owningObject = persistentColl.getOwner();
            String role = persistentColl.getRole();
            String propertyName = role.substring(role.lastIndexOf('.') + 1);
            ClassMetadata cmd = AuditLogUtil.getClassMetadata(AuditLogUtil.getActualType(owningObject));
            Object currentCollection = cmd.getPropertyValue(owningObject, propertyName, EntityMode.POJO);

            //Hibernate calls onCollectionRemove whenever the underlying collection is replaced with a
            //new instance i.e one calls the collection's setter and passes in a new instance even if the
            //new collection contains some elements, we want to treat this as regular collection update,
            //Except if onCollectionRemove is called because the owner got purged from the DB.
            //I believe hibernate calls onDelete for the owner before onCollectionRemove for all its
            //collections so we can guarantee that the owner is already in the 'deletes' thread local
            boolean isOwnerDeleted = OpenmrsUtil.collectionContains(deletes.get().peek(), owningObject);
            if (Collection.class.isAssignableFrom(collection.getClass())) {
                Collection coll = (Collection) collection;
                if (!coll.isEmpty()) {
                    if (isOwnerDeleted) {
                        if (entityRemovedChildrenMap.get().peek().get(owningObject) == null) {
                            entityRemovedChildrenMap.get().peek().put(owningObject, new HashSet<Object>());
                        }/*from   w  w w .  j  a va2  s  .  c  om*/
                        for (Object removedItem : coll) {
                            entityRemovedChildrenMap.get().peek().get(owningObject).add(removedItem);
                        }
                    } else if (!isOwnerDeleted && currentCollection == null) {
                        Class<?> propertyClass = cmd.getPropertyType(propertyName).getReturnedClass();
                        if (Set.class.isAssignableFrom(propertyClass)) {
                            currentCollection = Collections.EMPTY_SET;
                        } else if (List.class.isAssignableFrom(propertyClass)) {
                            currentCollection = Collections.EMPTY_LIST;
                        }
                    }
                }
            } else if (Map.class.isAssignableFrom(collection.getClass())) {
                if (!isOwnerDeleted && currentCollection == null) {
                    currentCollection = Collections.EMPTY_MAP;
                }
            } else {
                //TODO: Handle other persistent collections types e.g bags
            }

            if (!isOwnerDeleted) {
                handleUpdatedCollection(currentCollection, collection, owningObject, role);
            }
        }
    }
}

From source file:org.apache.jackrabbit.core.state.ChildNodeEntries.java

/**
 * Ensures that the {@link #nameMap} and {@link #entries} map are
 * modifiable.//www.  j av a 2 s  .co m
 */
private void ensureModifiable() {
    if (nameMap == Collections.EMPTY_MAP) {
        nameMap = new HashMap<Name, Object>();
        entries = new LinkedMap();
    } else if (shared) {
        entries = (LinkedMap) entries.clone();
        nameMap = (Map<Name, Object>) ((HashMap<Name, Object>) nameMap).clone();
        for (Iterator it = nameMap.entrySet().iterator(); it.hasNext();) {
            Map.Entry entry = (Map.Entry) it.next();
            Object value = entry.getValue();
            if (value instanceof ArrayList) {
                entry.setValue(((ArrayList) value).clone());
            }
        }
        shared = false;
    }
}

From source file:com.useekm.indexing.elasticsearch.ElasticSearchIndexerSettings.java

@SuppressWarnings("unchecked") //EMPTY_MAP
public Map<String, String> getAnalyzers() {
    return analyzers == null ? (Map<String, String>) Collections.EMPTY_MAP
            : Collections.unmodifiableMap(analyzers);
}

From source file:org.apache.jackrabbit.core.state.ChildNodeEntries.java

/**
 * Ensures that the {@link #nameMap} and {@link #entries} map are
 * modifiable./*from  w w w  . jav  a2  s  .  co m*/
 */
private void ensureModifiable() {
    if (nameMap == Collections.EMPTY_MAP) {
        nameMap = new HashMap();
        entries = new LinkedMap();
    } else if (shared) {
        entries = (LinkedMap) entries.clone();
        nameMap = (Map) ((HashMap) nameMap).clone();
        for (Iterator it = nameMap.entrySet().iterator(); it.hasNext();) {
            Map.Entry entry = (Map.Entry) it.next();
            Object value = entry.getValue();
            if (value instanceof ArrayList) {
                entry.setValue(((ArrayList) value).clone());
            }
        }
        shared = false;
    }
}

From source file:org.apache.geode.management.internal.cli.commands.ConfigCommandsDUnitTest.java

@Test
public void testAlterRuntimeConfig() throws Exception {
    final String controller = "controller";
    String directory = this.temporaryFolder.newFolder(controller).getAbsolutePath();
    String statFilePath = new File(directory, "stat.gfs").getAbsolutePath();

    setUpJmxManagerOnVm0ThenConnect(null);

    Properties localProps = new Properties();
    localProps.setProperty(NAME, controller);
    localProps.setProperty(LOG_LEVEL, "error");
    getSystem(localProps);//from  www .j  a  v a  2  s . c o m

    final GemFireCacheImpl cache = (GemFireCacheImpl) getCache();
    final DistributionConfig config = cache.getSystem().getConfig();

    CommandStringBuilder csb = new CommandStringBuilder(CliStrings.ALTER_RUNTIME_CONFIG);
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__MEMBER, controller);
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__LOG__LEVEL, "info");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__LOG__FILE__SIZE__LIMIT, "50");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__ARCHIVE__DISK__SPACE__LIMIT, "32");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__ARCHIVE__FILE__SIZE__LIMIT, "49");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__STATISTIC__SAMPLE__RATE, "2000");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__STATISTIC__ARCHIVE__FILE, statFilePath);
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__STATISTIC__SAMPLING__ENABLED, "true");
    csb.addOption(CliStrings.ALTER_RUNTIME_CONFIG__LOG__DISK__SPACE__LIMIT, "10");

    CommandResult cmdResult = executeCommand(csb.getCommandString());
    String resultString = commandResultToString(cmdResult);

    getLogWriter().info("Result\n");
    getLogWriter().info(resultString);

    assertEquals(true, cmdResult.getStatus().equals(Status.OK));
    assertEquals(LogWriterImpl.INFO_LEVEL, config.getLogLevel());
    assertEquals(50, config.getLogFileSizeLimit());
    assertEquals(32, config.getArchiveDiskSpaceLimit());
    assertEquals(2000, config.getStatisticSampleRate());
    assertEquals("stat.gfs", config.getStatisticArchiveFile().getName());
    assertEquals(true, config.getStatisticSamplingEnabled());
    assertEquals(10, config.getLogDiskSpaceLimit());

    CommandProcessor commandProcessor = new CommandProcessor();
    Result result = commandProcessor.createCommandStatement("alter runtime", Collections.EMPTY_MAP).process();
}

From source file:org.geotools.data.wfs.v1_1_0.WFS_1_1_0_Protocol.java

/**
 * @throws IOException//from w w w . j  a va2  s  .com
 * @see WFSProtocol#describeFeatureTypeGET(String, String)
 */
public WFSResponse describeFeatureTypeGET(String typeName, String outputFormat) throws IOException {
    if (!supportsOperation(DESCRIBE_FEATURETYPE, false)) {
        throw new UnsupportedOperationException(
                "The server does not support DescribeFeatureType for HTTP method GET");
    }

    URL url = getDescribeFeatureTypeURLGet(typeName, outputFormat);
    WFSResponse response = issueGetRequest(null, url, Collections.EMPTY_MAP);
    return response;
}

From source file:eu.openanalytics.rsb.RestJobsITCase.java

@SuppressWarnings("unchecked")
@Test//from   ww  w. j  av  a 2 s  . com
public void submitMultipartValidZipJobAsOctetStream() throws Exception {
    final String applicationName = newTestApplicationName();
    final Document resultDoc = doSubmitValidMultipartJob(applicationName,
            Collections.singletonList(new UploadedFile("r-job-sample.zip", "application/octet-stream")),
            Collections.EMPTY_MAP);
    final String resultUri = getResultUri(resultDoc);
    ponderRetrieveAndValidateZipResult(resultUri);
}

Example usage for java.util Collections EMPTY_MAP

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