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

     * modifiable.
     */
    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();

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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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         * 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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        public OrderedMap<Object,Class<?>> getOrderedParameterTypes(StoreQuery q) {
            return EMPTY_ORDERED_PARAMS;
        }
        
        public LinkedMap getParameterTypes(StoreQuery q) {
            LinkedMap result = new LinkedMap();
            result.putAll(getOrderedParameterTypes(q));
            return result;
        }

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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<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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        } else {
            config.append("save");            
        }
        final String uri = (String)info.getConfigurations().get(config.toString());


        final Map key = new LinkedMap();
        key.put("baseuri", uri);
        key.put("separator", "?");
        key.put("portal", info.getPortalName());
        key.put("layout", info.getLayoutKey());
        key.put("type", category);
        if ( "group".equals(category) ) {
            key.put("group", info.getGroup());
        }
        if ( "user".equals(category) ) {
            key.put("user", info.getUserName());
        }
        
        return key;
    }

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            uri = config.getChild(profileType + "-role-" + postFix).getAttribute("uri");
        } else if (type.equals("user")) {
            uri = config.getChild(profileType + "-user-" + postFix).getAttribute("uri");
        }


        Map key = new LinkedMap();
        key.put("baseuri", uri);
        key.put("separator", "?");
        key.put("portal", service.getPortalName());
        key.put("layout", layoutKey);
        if ( type != null ) {
            key.put("type", type);
            if ( "role".equals(type) || "user".equals(type)) {
                key.put("role", handler.getContext().getContextInfo().get("role"));
            }
            if ( "user".equals(type) ) {
                key.put("user", handler.getUserId());
            }
        }
        return key;
    }

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            Map parameters = new HashMap();
            parameters.put("profiletype", "layout");
            parameters.put("objectmap", copletInstanceDataManager.getCopletInstanceData());


            Map map = new LinkedMap();
            map.put("base", this.profilesPath);
            map.put("portalname", service.getPortalName());
            map.put("profile", "layout");
            map.put("groupKey", layoutKey);


            adapter = (ProfileLS) this.manager.lookup(ProfileLS.ROLE);
            SourceValidity newValidity = adapter.getValidity(map, parameters);
            if (valid == SourceValidity.UNKNOWN) {
                if (sourceValidity.isValid(newValidity) == SourceValidity.VALID) {

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