Examples of org.apache.commons.collections.map.ReferenceMap$KeyIterator

Package org.apache.commons.collections.map

Examples of org.apache.commons.collections.map.ReferenceMap$KeyIterator

org.apache.commons.collections.map.ReferenceMap
The keySet iterator.

         *
         * @param id node id
         * @return node or <code>null</code>
         */
        public AbstractNodeData retrieveFirst(NodeId id) {
            ReferenceMap map = (ReferenceMap) cache.get(id);
            if (map != null) {
                Iterator iter = map.values().iterator();
                try {
                    while (iter.hasNext()) {
                        AbstractNodeData data = (AbstractNodeData) iter.next();
                        if (data != null) {
                            return data;

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         * @param id node id
         * @param parentId parent id
         * @return node or <code>null</code>
         */
        public AbstractNodeData retrieve(NodeId id, NodeId parentId) {
            ReferenceMap map = (ReferenceMap) cache.get(id);
            if (map != null) {
                return (AbstractNodeData) map.get(parentId);
            }
            return null;
        }

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         *
         * @param data data to cache
         */
        public void cache(AbstractNodeData data) {
            NodeId id = data.getNodeState().getNodeId();
            ReferenceMap map = (ReferenceMap) cache.get(id);
            if (map == null) {
                map = new ReferenceMap(ReferenceMap.HARD, ReferenceMap.WEAK);
                cache.put(id, map);
            }
            Object old = map.put(data.getPrimaryParentId(), data);
            if (old != null) {
                log.warn("overwriting cached item: " + old);
            }
        }

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         * Evict some node from the cache.
         *
         * @param data data to evict
         */
        public void evict(AbstractNodeData data) {
            ReferenceMap map = (ReferenceMap) cache.get(data.getId());
            if (map != null) {
                map.remove(data.getPrimaryParentId());
            }
        }

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   private void initResourceMap( Context initialContext )
   throws NamingException
   {
      if ( m_resourceIsPersistent )
      {
         m_resources = new ReferenceMap( ReferenceMap.HARD, ReferenceMap.SOFT, true );
         initCachePolicy( initialContext );
      }
      else
      {
         m_resources = new HashMap(  );

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     * 
     * @since 3.0
     * @return a map with hard referenced keys and weak referenced values.
     */
    static Map<Object, Persistent> createObjectMap() {
        return new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.WEAK);
    }

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    public Map<Object, Persistent> createObjectMap() {
        String retainStrategy = runtimeProperties.get(MAP_RETAIN_STRATEGY_PROPERTY);
        
        if (SOFT_RETAIN_STRATEGY.equals(retainStrategy)) {
            return new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.SOFT);
        }
        else if (HARD_RETAIN_STRATEGY.equals(retainStrategy)) {
            return new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.HARD);
        }
        else {
            return new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.WEAK);
        }
    }

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         */
        protected Map<Object, Object> getOldSerializedViewsMap()
        {
            if (_oldSerializedViews == null)
            {
                _oldSerializedViews = new ReferenceMap(AbstractReferenceMap.WEAK, AbstractReferenceMap.WEAK, true);
            }
            return _oldSerializedViews;
        }

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                                             config.getChild("cachable").getLocation() +
                                             ": please use 'cacheable', not 'cachable'");
        }
        this.cacheAll = config.getChild("cacheable").getValueAsBoolean(true);


        this.documents = Collections.synchronizedMap(new ReferenceMap());
        Configuration[] files = config.getChildren("file");
        for (int i = 0; i < files.length; i++) {
            boolean reload = files[i].getAttributeAsBoolean("reloadable", this.reloadAll);
            boolean cache = files[i].getAttributeAsBoolean("cacheable", this.cacheAll);
            this.src = files[i].getAttribute("src");
            // by assigning the source uri to this.src the last one will be the default
            // OTOH caching / reload parameters can be specified in one central place
            // if multiple file tags are used.
            this.documents.put(this.src, new DocumentHelper(reload, cache, this.src, this));
        }


        // init caches
        this.cacheExpressions = config.getChild("cache-expressions").getValueAsBoolean(true);
        if (this.cacheExpressions) {
            this.expressionCache = new ReferenceMap(AbstractReferenceMap.SOFT, AbstractReferenceMap.SOFT);
            this.expressionValuesCache = new ReferenceMap(AbstractReferenceMap.SOFT, AbstractReferenceMap.SOFT);
        }
    }

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            if (_oldSerializedViews == null && context != null)
            {
                String cacheMode = getCacheOldViewsInSessionMode(context); 
                if (CACHE_OLD_VIEWS_IN_SESSION_MODE_WEAK.equals(cacheMode))
                {
                    _oldSerializedViews = new ReferenceMap(AbstractReferenceMap.WEAK, AbstractReferenceMap.WEAK, true);
                }
                else if (CACHE_OLD_VIEWS_IN_SESSION_MODE_SOFT_WEAK.equals(cacheMode))
                {
                    _oldSerializedViews = new ReferenceMap(AbstractReferenceMap.SOFT, AbstractReferenceMap.WEAK, true);
                }
                else if (CACHE_OLD_VIEWS_IN_SESSION_MODE_SOFT.equals(cacheMode))
                {
                    _oldSerializedViews = new ReferenceMap(AbstractReferenceMap.SOFT, AbstractReferenceMap.SOFT, true);
                }
                else if (CACHE_OLD_VIEWS_IN_SESSION_MODE_HARD_SOFT.equals(cacheMode))
                {
                    _oldSerializedViews = new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.SOFT);
                }
            }
            
            return _oldSerializedViews;
        }

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