Example usage for java.util Collections checkedList

List of usage examples for java.util Collections checkedList

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Introduction

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

Prototype

public static <E> List<E> checkedList(List<E> list, Class<E> type)

Source Link

Document

Returns a dynamically typesafe view of the specified list.

Usage

From source file:Main.java

public static void main(String args[]) {

    List<String> arlst = new ArrayList<String>();

    arlst.add("A");
    arlst.add("B");
    arlst.add("C");
    arlst.add("from java2s.com");

    // create typesafe view of the list
    List<String> tslst = Collections.checkedList(arlst, String.class);

    System.out.println(tslst);//from  www .j  a  v  a 2 s .c  o  m
}

From source file:Main.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> void checkedAtRuntime(List<T> list, Class<T> clazz, Object data) {
    List tryToAddNotTStuff = Collections.checkedList(list, clazz);
    try {//from w w  w.  j  a  va2s. c o m
        tryToAddNotTStuff.add(data);
    } catch (ClassCastException e) {
        System.out.println("can't add data different that expected");
    }
    System.out.println(tryToAddNotTStuff);
}

From source file:document_search.MultiQuerySearch.java

public static List<MultiQueryResults> search(Index i, int docLimit, String searchField, Analyzer a,
        String... queries) {//from   w ww  .j  av  a 2 s .  c  o  m
    ParseWrapper parser = new ParseWrapper(new QueryParser(searchField, a));

    // Parse all available results
    List<QueryPair> queryList = Arrays.asList(queries).stream().map(parser::parseQuery)
            .filter(query -> query != null).collect(Collectors.toList());

    // Create the overall query
    BooleanQuery query = new BooleanQuery();
    for (QueryPair pair : queryList) {
        query.add(pair.query, BooleanClause.Occur.SHOULD);
    }

    // FIXME: We should not have index searchers here, but we still do! :-( Fuck Lucene and its vast plots of, features...
    IndexSearcher searcher = new IndexSearcher(i.getIndexer().getReader());

    // TODO: Refactor this because it looks terrible, functional style is better, but the functional isn't good...
    List<MultiQueryResults> queryResults = Collections.checkedList(new ArrayList<>(), MultiQueryResults.class);
    for (Index.IndexDocument doc : i.runQuery(query, docLimit)) {
        // Create new multi query results
        MultiQueryResults results = new MultiQueryResults(doc.id, doc.score, Arrays.asList(queries));

        // Explain the individual query results
        for (QueryPair queryPair : queryList) {
            try {
                double score = searcher.explain(queryPair.query, doc.lucene_id).getValue();
                QueryResults individualResults = new QueryResults(doc.id, queryPair.term, score);
                results.addQueryResult(individualResults);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        // Add the Multi-query results to the overall list
        queryResults.add(results);
    }
    return queryResults;
}

From source file:org.sventon.web.ctrl.template.FlattenController.java

@Override
protected ModelAndView svnHandle(final SVNConnection connection, final BaseCommand command,
        final long headRevision, final UserRepositoryContext userRepositoryContext,
        final HttpServletRequest request, final HttpServletResponse response, final BindException exception)
        throws Exception {

    final List<DirEntry> entries = Collections.checkedList(new ArrayList<DirEntry>(), DirEntry.class);

    logger.debug("Flattening directories below: " + command.getPath());
    entries.addAll(getCache().findDirectories(command.getName(), command.getPath()));
    logger.debug(entries.size() + " entries found");

    final Map<String, Object> model = new HashMap<String, Object>();

    logger.debug("Sort params: " + userRepositoryContext.getSortType().name() + ", "
            + userRepositoryContext.getSortMode());
    new DirEntrySorter(userRepositoryContext.getSortType(), userRepositoryContext.getSortMode()).sort(entries);

    model.put("dirEntries", entries);
    model.put("isFlatten", true); // Indicates that path should be shown in browser view.
    return new ModelAndView(getViewName(), model);
}

From source file:indexer.Index.java

public List<IndexDocument> runQuery(Query q, int maxResults) {
    IndexReader reader = getIndexer().getReader();
    IndexSearcher searcher = new IndexSearcher(reader);
    try {/*from   w w  w . j a v  a  2s  . c o  m*/
        TopDocs docs = searcher.search(q, maxResults);
        return Arrays.asList(docs.scoreDocs).stream().map(s -> {
            try {
                int uniqueId = Integer.parseInt(reader.document(s.doc).get(IndexerFields.ID.name()));
                return new IndexDocument(uniqueId, s.doc, s.score);
            } catch (IOException e) {
                log.error("Error while converting document", e);
                return null;
            }
        }).filter(d -> d != null).collect(Collectors.toList());

    } catch (IOException e) {
        log.error("There was an error while attempting a search.", e);
        return Collections.checkedList(new ArrayList<>(), IndexDocument.class);
    }
}

From source file:es.upm.fiware.rss.dao.impl.ObCountryDaoImpl.java

/**
 * //from w  w  w. j  a  v a2  s.  c o  m
 * @param hql
 * @return
 */
private List<BmObCountry> listObCountryQuery(final String hql) {
    ObCountryDaoImpl.LOGGER.debug(hql);

    List<BmObCountry> list = this.getSession().createQuery(hql).list();
    List<BmObCountry> resultList = Collections.checkedList(list, BmObCountry.class);

    return resultList;
}

From source file:org.openeos.jbpm.integration.internal.dao.JbpmProcessInstanceDAOHibernateImpl.java

@Override
@Transactional(readOnly = true)/*from   w  ww . j ava  2  s  . c  o m*/
public List<JbpmProcessInstance> findByEventType(String eventType) {
    Criteria crit = getSession().createCriteria(JbpmProcessInstance.class);
    crit.createCriteria(JbpmProcessInstance.PROPERTY_EVENT_TYPE_LIST)
            .add(Restrictions.eq(JbpmProcessInstanceEventType.PROPERTY_EVENT_TYPE, eventType));

    return Collections.checkedList(crit.list(), JbpmProcessInstance.class);
}

From source file:es.upm.fiware.rss.dao.impl.DbeAppProviderDaoImpl.java

@Override
public List<DbeAppProvider> getProvidersByAggregator(String aggregatorId) {
    String hql = "from DbeAppProvider as p where p.id.aggregator='" + aggregatorId + "'";
    List<DbeAppProvider> resultList;
    try {//from  ww w. j  a  v a2 s .  c  om
        List list = this.getSession().createQuery(hql).list();
        resultList = Collections.checkedList(list, DbeAppProvider.class);
    } catch (Exception e) {
        return null;
    }
    return resultList;
}

From source file:es.upm.fiware.rss.dao.impl.SharingReportDaoImpl.java

@Override
public List<SharingReport> getSharingReportsByParameters(String aggregator, String providerId,
        String productClass) {/* w  w w .  jav a2s .com*/
    // Build queries
    String hql = "from SharingReport l";

    if (null != aggregator && !aggregator.isEmpty()) {
        hql += " where l.owner.id.aggregator.txEmail= '" + aggregator + "'";

        if (null != providerId && !providerId.isEmpty()) {
            hql += " and l.owner.id.txAppProviderId= '" + providerId + "'";

            if (null != productClass && !productClass.isEmpty()) {
                hql += " and l.productClass= '" + productClass + "'";
            }
        }
    }

    List<SharingReport> resultList;
    try {
        List list = this.getSession().createQuery(hql).list();
        resultList = Collections.checkedList(list, SharingReport.class);
    } catch (Exception e) {
        return null;
    }

    if (null == resultList || resultList.isEmpty()) {
        resultList = null;
    }

    return resultList;
}

From source file:org.sventon.web.ctrl.template.SearchEntriesController.java

@Override
protected ModelAndView svnHandle(final SVNConnection connection, final BaseCommand command,
        final long headRevision, final UserRepositoryContext userRepositoryContext,
        final HttpServletRequest request, final HttpServletResponse response, final BindException exception)
        throws Exception {

    final String searchString = ServletRequestUtils.getRequiredStringParameter(request,
            SEARCH_STRING_PARAMETER);/*from www. j  a  v  a2  s .  c  o m*/
    final String startDir = ServletRequestUtils.getRequiredStringParameter(request, START_DIR_PARAMETER);

    final Map<String, Object> model = new HashMap<String, Object>();

    logger.debug("Searching cache for [" + searchString + "] in directory [" + startDir + "]");
    final List<DirEntry> entries = Collections.checkedList(new ArrayList<DirEntry>(), DirEntry.class);

    if (CamelCasePattern.isValid(searchString)) {
        logger.debug("Search string was in upper case only - performing CamelCase cache search");
        entries.addAll(getCache().findEntriesByCamelCase(command.getName(), new CamelCasePattern(searchString),
                startDir));
        model.put("searchType", SearchType.CAMELCASE);
    } else {
        entries.addAll(getCache().findEntries(command.getName(), searchString, startDir));
        model.put("searchType", SearchType.TEXT);
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Sort params: " + userRepositoryContext.getSortType().name() + ", "
                + userRepositoryContext.getSortMode());
    }

    new DirEntrySorter(userRepositoryContext.getSortType(), userRepositoryContext.getSortMode()).sort(entries);

    model.put("dirEntries", entries);
    model.put("searchString", searchString);
    model.put("locks", getRepositoryService().getLocks(connection, command.getPath(), false));
    model.put("startDir", startDir);
    model.put("isEntrySearch", true); // Indicates that path should be shown in browser view.
    return new ModelAndView(getViewName(), model);
}