Examples of org.apache.commons.collections.map.LinkedMap

Package org.apache.commons.collections.map

Examples of org.apache.commons.collections.map.LinkedMap

org.apache.commons.collections.map.LinkedMap
A Map implementation that maintains the order of the entries. In this implementation order is maintained by original insertion.
This implementation improves on the JDK1.4 LinkedHashMap by adding the {@link org.apache.commons.collections.MapIterator MapIterator}functionality, additional convenience methods and allowing bidirectional iteration. It also implements OrderedMap. In addition, non-interface methods are provided to access the map by index.
The orderedMapIterator() method provides direct access to a bidirectional iterator. The iterators from the other views can also be cast to OrderedIterator if required.
All the available iterators can be reset back to the start by casting to ResettableIterator and calling reset().
The implementation is also designed to be subclassed, with lots of useful methods exposed. @since Commons Collections 3.0 @version $Revision: 1.9 $ $Date: 2004/02/18 01:13:19 $ @author Stephen Colebourne

    /**
     * Validate that the types of the parameters are correct.
     */
    private void validateParameters() {
        if (_positional != null) {
            LinkedMap types = _query.getParameterTypes();
            for (int i = 0,
                size = Math.min(_positional.size(), types.size());
                i < size; i++)
                validateParameter(String.valueOf(i),
                    (Class) types.getValue(i), _positional.get(i));
        } else if (_named != null) {
            Map types = _query.getParameterTypes();
            for (Iterator i = _named.entrySet().iterator(); i.hasNext();) {
                Map.Entry entry = (Map.Entry) i.next();
                String name = (String) entry.getKey();
                validateParameter(name, (Class) types.get(name),
                    entry.getValue());
            }
        }
    }

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                    ("savepoint-flush-not-supported"));


            OpenJPASavepoint save = _spm.newSavepoint(name, this);
            if (_savepoints == null || _savepoints.isEmpty()) {
                save.save(getTransactionalStates());
                _savepoints = new LinkedMap();
            } else {
                if (_savepointCache == null)
                    save.save(Collections.EMPTY_SET);
                else {
                    save.save(_savepointCache);

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         * Add the given instance to the dirty cache.
         */
        public void addDirty(StateManagerImpl sm) {
            if (_dirty == null) {
                if (_orderDirty)
                    _dirty = MapBackedSet.decorate(new LinkedMap());
                else
                    _dirty = new HashSet<StateManagerImpl>();
            }
            if (_dirty.add(sm))
                removeCleanInternal(sm);

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     * Consolidate an event iterator obtained from observation, merging
     * add and remove operations on nodes with the same UUID into a move
     * operation.
     */
    private Iterator consolidateEvents(EventIterator events) {
        LinkedMap eventMap = new LinkedMap();


        while (events.hasNext()) {
            EventImpl event = (EventImpl) events.nextEvent();
            HierarchyEvent he;


            try {
                he = new HierarchyEvent(event.getChildId(),
                        session.getQPath(event.getPath()).getNormalizedPath(),
                        event.getType());
            } catch (MalformedPathException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            } catch (RepositoryException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            }


            HierarchyEvent heExisting = (HierarchyEvent) eventMap.get(he.id);
            if (heExisting != null) {
                heExisting.merge(he);
            } else {
                eventMap.put(he.id, he);
            }
        }
        return eventMap.values().iterator();
    }

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    }
    
    public LinkedMap getParameterTypes() {
        lock();
        try {
            LinkedMap wrap = new LinkedMap();
            wrap.putAll(compileForExecutor().getOrderedParameterTypes(_storeQuery));
            return wrap;
        } finally {
            unlock();
        }
    }

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     * Consolidate an event iterator obtained from observation, merging
     * add and remove operations on nodes with the same UUID into a move
     * operation.
     */
    private Iterator<HierarchyEvent> consolidateEvents(EventIterator events) {
        LinkedMap eventMap = new LinkedMap();


        while (events.hasNext()) {
            EventImpl event = (EventImpl) events.nextEvent();
            HierarchyEvent he;


            try {
                he = new HierarchyEvent(event.getChildId(),
                        sysSession.getQPath(event.getPath()).getNormalizedPath(),
                        event.getType());
            } catch (MalformedPathException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            } catch (RepositoryException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            }


            HierarchyEvent heExisting = (HierarchyEvent) eventMap.get(he.id);
            if (heExisting != null) {
                heExisting.merge(he);
            } else {
                eventMap.put(he.id, he);
            }
        }
        return eventMap.values().iterator();
    }

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  public String queryList(QueryParam queryParam) {


    List<T> listTotal = baseDao.getMongoTemplate().findAll(getBeanClass());
    int page = queryParam.getPageNumber();
    int total = listTotal.size();
    Map map = new LinkedMap(3);
    map.put("page", page);
    map.put("total", total);


    Query query = new Query();
    if (!StringUtils.isEmpty(queryParam.getQuery())) {
      query.addCriteria(Criteria.where(queryParam.getQtype()).is(
          queryParam.getQuery()));
    }
    query.skip(queryParam.getSkip()).limit(queryParam.getLimit()).sort()
        .on(queryParam.getSortname(), queryParam.getSortorder());


    List<T> list = baseDao.getMongoTemplate().find(query, getBeanClass());
    List<Map<String, Object>> mapList = new LinkedList<Map<String, Object>>();
    for (T bean : list) {
      mapList.add(bean.toMap());
    }
    map.put("rows", mapList);


    String json = JackJson.fromObjectToJson(map);


    return json;
  }

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        String[] testCaseName = { TestMapBackedSet2.class.getName()};
        junit.textui.TestRunner.main(testCaseName);
    }


    public Set makeEmptySet() {
        return MapBackedSet.decorate(new LinkedMap());
    }

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     * Consolidate an event iterator obtained from observation, merging
     * add and remove operations on nodes with the same UUID into a move
     * operation.
     */
    private Iterator consolidateEvents(EventIterator events) {
        LinkedMap eventMap = new LinkedMap();


        while (events.hasNext()) {
            EventImpl event = (EventImpl) events.nextEvent();
            HierarchyEvent he;


            try {
                he = new HierarchyEvent(event.getChildId(),
                        sysSession.getQPath(event.getPath()).getNormalizedPath(),
                        event.getType());
            } catch (MalformedPathException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            } catch (RepositoryException e) {
                log.info("Unable to get event's path: " + e.getMessage());
                continue;
            }


            HierarchyEvent heExisting = (HierarchyEvent) eventMap.get(he.id);
            if (heExisting != null) {
                heExisting.merge(he);
            } else {
                eventMap.put(he.id, he);
            }
        }
        return eventMap.values().iterator();
    }

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        }
        return gwtInfos;
    }


    private OrderedMap convert(PublicationInfo pubInfo, PublicationInfoNode root, List<String> mainPaths, JCRSessionWrapper currentUserSession, String language) {
        OrderedMap gwtInfos = new LinkedMap();
        return convert(pubInfo, root, mainPaths, currentUserSession, language, gwtInfos);
    }

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