001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.expando.service.persistence;
016    
017    import com.liferay.portal.kernel.bean.PortalBeanLocatorUtil;
018    import com.liferay.portal.kernel.dao.orm.DynamicQuery;
019    import com.liferay.portal.kernel.exception.SystemException;
020    import com.liferay.portal.kernel.util.OrderByComparator;
021    import com.liferay.portal.service.ServiceContext;
022    
023    import com.liferay.portlet.expando.model.ExpandoColumn;
024    
025    import java.util.List;
026    
027    /**
028     * The persistence utility for the expando column service. This utility wraps {@link ExpandoColumnPersistenceImpl} and provides direct access to the database for CRUD operations. This utility should only be used by the service layer, as it must operate within a transaction. Never access this utility in a JSP, controller, model, or other front-end class.
029     *
030     * <p>
031     * Never modify this class directly. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
032     * </p>
033     *
034     * <p>
035     * Caching information and settings can be found in <code>portal.properties</code>
036     * </p>
037     *
038     * @author Brian Wing Shun Chan
039     * @see ExpandoColumnPersistence
040     * @see ExpandoColumnPersistenceImpl
041     * @generated
042     */
043    public class ExpandoColumnUtil {
044            /**
045             * @see com.liferay.portal.service.persistence.BasePersistence#clearCache()
046             */
047            public static void clearCache() {
048                    getPersistence().clearCache();
049            }
050    
051            /**
052             * @see com.liferay.portal.service.persistence.BasePersistence#clearCache(com.liferay.portal.model.BaseModel)
053             */
054            public static void clearCache(ExpandoColumn expandoColumn) {
055                    getPersistence().clearCache(expandoColumn);
056            }
057    
058            /**
059             * @see com.liferay.portal.service.persistence.BasePersistence#countWithDynamicQuery(DynamicQuery)
060             */
061            public long countWithDynamicQuery(DynamicQuery dynamicQuery)
062                    throws SystemException {
063                    return getPersistence().countWithDynamicQuery(dynamicQuery);
064            }
065    
066            /**
067             * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery)
068             */
069            public static List<ExpandoColumn> findWithDynamicQuery(
070                    DynamicQuery dynamicQuery) throws SystemException {
071                    return getPersistence().findWithDynamicQuery(dynamicQuery);
072            }
073    
074            /**
075             * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery, int, int)
076             */
077            public static List<ExpandoColumn> findWithDynamicQuery(
078                    DynamicQuery dynamicQuery, int start, int end)
079                    throws SystemException {
080                    return getPersistence().findWithDynamicQuery(dynamicQuery, start, end);
081            }
082    
083            /**
084             * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery, int, int, OrderByComparator)
085             */
086            public static List<ExpandoColumn> findWithDynamicQuery(
087                    DynamicQuery dynamicQuery, int start, int end,
088                    OrderByComparator orderByComparator) throws SystemException {
089                    return getPersistence()
090                                       .findWithDynamicQuery(dynamicQuery, start, end,
091                            orderByComparator);
092            }
093    
094            /**
095             * @see com.liferay.portal.service.persistence.BasePersistence#remove(com.liferay.portal.model.BaseModel)
096             */
097            public static ExpandoColumn remove(ExpandoColumn expandoColumn)
098                    throws SystemException {
099                    return getPersistence().remove(expandoColumn);
100            }
101    
102            /**
103             * @see com.liferay.portal.service.persistence.BasePersistence#update(com.liferay.portal.model.BaseModel, boolean)
104             */
105            public static ExpandoColumn update(ExpandoColumn expandoColumn,
106                    boolean merge) throws SystemException {
107                    return getPersistence().update(expandoColumn, merge);
108            }
109    
110            /**
111             * @see com.liferay.portal.service.persistence.BasePersistence#update(com.liferay.portal.model.BaseModel, boolean, ServiceContext)
112             */
113            public static ExpandoColumn update(ExpandoColumn expandoColumn,
114                    boolean merge, ServiceContext serviceContext) throws SystemException {
115                    return getPersistence().update(expandoColumn, merge, serviceContext);
116            }
117    
118            /**
119            * Caches the expando column in the entity cache if it is enabled.
120            *
121            * @param expandoColumn the expando column to cache
122            */
123            public static void cacheResult(
124                    com.liferay.portlet.expando.model.ExpandoColumn expandoColumn) {
125                    getPersistence().cacheResult(expandoColumn);
126            }
127    
128            /**
129            * Caches the expando columns in the entity cache if it is enabled.
130            *
131            * @param expandoColumns the expando columns to cache
132            */
133            public static void cacheResult(
134                    java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> expandoColumns) {
135                    getPersistence().cacheResult(expandoColumns);
136            }
137    
138            /**
139            * Creates a new expando column with the primary key. Does not add the expando column to the database.
140            *
141            * @param columnId the primary key for the new expando column
142            * @return the new expando column
143            */
144            public static com.liferay.portlet.expando.model.ExpandoColumn create(
145                    long columnId) {
146                    return getPersistence().create(columnId);
147            }
148    
149            /**
150            * Removes the expando column with the primary key from the database. Also notifies the appropriate model listeners.
151            *
152            * @param columnId the primary key of the expando column to remove
153            * @return the expando column that was removed
154            * @throws com.liferay.portlet.expando.NoSuchColumnException if a expando column with the primary key could not be found
155            * @throws SystemException if a system exception occurred
156            */
157            public static com.liferay.portlet.expando.model.ExpandoColumn remove(
158                    long columnId)
159                    throws com.liferay.portal.kernel.exception.SystemException,
160                            com.liferay.portlet.expando.NoSuchColumnException {
161                    return getPersistence().remove(columnId);
162            }
163    
164            public static com.liferay.portlet.expando.model.ExpandoColumn updateImpl(
165                    com.liferay.portlet.expando.model.ExpandoColumn expandoColumn,
166                    boolean merge)
167                    throws com.liferay.portal.kernel.exception.SystemException {
168                    return getPersistence().updateImpl(expandoColumn, merge);
169            }
170    
171            /**
172            * Finds the expando column with the primary key or throws a {@link com.liferay.portlet.expando.NoSuchColumnException} if it could not be found.
173            *
174            * @param columnId the primary key of the expando column to find
175            * @return the expando column
176            * @throws com.liferay.portlet.expando.NoSuchColumnException if a expando column with the primary key could not be found
177            * @throws SystemException if a system exception occurred
178            */
179            public static com.liferay.portlet.expando.model.ExpandoColumn findByPrimaryKey(
180                    long columnId)
181                    throws com.liferay.portal.kernel.exception.SystemException,
182                            com.liferay.portlet.expando.NoSuchColumnException {
183                    return getPersistence().findByPrimaryKey(columnId);
184            }
185    
186            /**
187            * Finds the expando column with the primary key or returns <code>null</code> if it could not be found.
188            *
189            * @param columnId the primary key of the expando column to find
190            * @return the expando column, or <code>null</code> if a expando column with the primary key could not be found
191            * @throws SystemException if a system exception occurred
192            */
193            public static com.liferay.portlet.expando.model.ExpandoColumn fetchByPrimaryKey(
194                    long columnId)
195                    throws com.liferay.portal.kernel.exception.SystemException {
196                    return getPersistence().fetchByPrimaryKey(columnId);
197            }
198    
199            /**
200            * Finds all the expando columns where tableId = &#63;.
201            *
202            * @param tableId the table id to search with
203            * @return the matching expando columns
204            * @throws SystemException if a system exception occurred
205            */
206            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findByTableId(
207                    long tableId)
208                    throws com.liferay.portal.kernel.exception.SystemException {
209                    return getPersistence().findByTableId(tableId);
210            }
211    
212            /**
213            * Finds a range of all the expando columns where tableId = &#63;.
214            *
215            * <p>
216            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
217            * </p>
218            *
219            * @param tableId the table id to search with
220            * @param start the lower bound of the range of expando columns to return
221            * @param end the upper bound of the range of expando columns to return (not inclusive)
222            * @return the range of matching expando columns
223            * @throws SystemException if a system exception occurred
224            */
225            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findByTableId(
226                    long tableId, int start, int end)
227                    throws com.liferay.portal.kernel.exception.SystemException {
228                    return getPersistence().findByTableId(tableId, start, end);
229            }
230    
231            /**
232            * Finds an ordered range of all the expando columns where tableId = &#63;.
233            *
234            * <p>
235            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
236            * </p>
237            *
238            * @param tableId the table id to search with
239            * @param start the lower bound of the range of expando columns to return
240            * @param end the upper bound of the range of expando columns to return (not inclusive)
241            * @param orderByComparator the comparator to order the results by
242            * @return the ordered range of matching expando columns
243            * @throws SystemException if a system exception occurred
244            */
245            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findByTableId(
246                    long tableId, int start, int end,
247                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
248                    throws com.liferay.portal.kernel.exception.SystemException {
249                    return getPersistence()
250                                       .findByTableId(tableId, start, end, orderByComparator);
251            }
252    
253            /**
254            * Finds the first expando column in the ordered set where tableId = &#63;.
255            *
256            * <p>
257            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
258            * </p>
259            *
260            * @param tableId the table id to search with
261            * @param orderByComparator the comparator to order the set by
262            * @return the first matching expando column
263            * @throws com.liferay.portlet.expando.NoSuchColumnException if a matching expando column could not be found
264            * @throws SystemException if a system exception occurred
265            */
266            public static com.liferay.portlet.expando.model.ExpandoColumn findByTableId_First(
267                    long tableId,
268                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
269                    throws com.liferay.portal.kernel.exception.SystemException,
270                            com.liferay.portlet.expando.NoSuchColumnException {
271                    return getPersistence().findByTableId_First(tableId, orderByComparator);
272            }
273    
274            /**
275            * Finds the last expando column in the ordered set where tableId = &#63;.
276            *
277            * <p>
278            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
279            * </p>
280            *
281            * @param tableId the table id to search with
282            * @param orderByComparator the comparator to order the set by
283            * @return the last matching expando column
284            * @throws com.liferay.portlet.expando.NoSuchColumnException if a matching expando column could not be found
285            * @throws SystemException if a system exception occurred
286            */
287            public static com.liferay.portlet.expando.model.ExpandoColumn findByTableId_Last(
288                    long tableId,
289                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
290                    throws com.liferay.portal.kernel.exception.SystemException,
291                            com.liferay.portlet.expando.NoSuchColumnException {
292                    return getPersistence().findByTableId_Last(tableId, orderByComparator);
293            }
294    
295            /**
296            * Finds the expando columns before and after the current expando column in the ordered set where tableId = &#63;.
297            *
298            * <p>
299            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
300            * </p>
301            *
302            * @param columnId the primary key of the current expando column
303            * @param tableId the table id to search with
304            * @param orderByComparator the comparator to order the set by
305            * @return the previous, current, and next expando column
306            * @throws com.liferay.portlet.expando.NoSuchColumnException if a expando column with the primary key could not be found
307            * @throws SystemException if a system exception occurred
308            */
309            public static com.liferay.portlet.expando.model.ExpandoColumn[] findByTableId_PrevAndNext(
310                    long columnId, long tableId,
311                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
312                    throws com.liferay.portal.kernel.exception.SystemException,
313                            com.liferay.portlet.expando.NoSuchColumnException {
314                    return getPersistence()
315                                       .findByTableId_PrevAndNext(columnId, tableId,
316                            orderByComparator);
317            }
318    
319            /**
320            * Filters by the user's permissions and finds all the expando columns where tableId = &#63;.
321            *
322            * @param tableId the table id to search with
323            * @return the matching expando columns that the user has permission to view
324            * @throws SystemException if a system exception occurred
325            */
326            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> filterFindByTableId(
327                    long tableId)
328                    throws com.liferay.portal.kernel.exception.SystemException {
329                    return getPersistence().filterFindByTableId(tableId);
330            }
331    
332            /**
333            * Filters by the user's permissions and finds a range of all the expando columns where tableId = &#63;.
334            *
335            * <p>
336            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
337            * </p>
338            *
339            * @param tableId the table id to search with
340            * @param start the lower bound of the range of expando columns to return
341            * @param end the upper bound of the range of expando columns to return (not inclusive)
342            * @return the range of matching expando columns that the user has permission to view
343            * @throws SystemException if a system exception occurred
344            */
345            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> filterFindByTableId(
346                    long tableId, int start, int end)
347                    throws com.liferay.portal.kernel.exception.SystemException {
348                    return getPersistence().filterFindByTableId(tableId, start, end);
349            }
350    
351            /**
352            * Filters by the user's permissions and finds an ordered range of all the expando columns where tableId = &#63;.
353            *
354            * <p>
355            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
356            * </p>
357            *
358            * @param tableId the table id to search with
359            * @param start the lower bound of the range of expando columns to return
360            * @param end the upper bound of the range of expando columns to return (not inclusive)
361            * @param orderByComparator the comparator to order the results by
362            * @return the ordered range of matching expando columns that the user has permission to view
363            * @throws SystemException if a system exception occurred
364            */
365            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> filterFindByTableId(
366                    long tableId, int start, int end,
367                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
368                    throws com.liferay.portal.kernel.exception.SystemException {
369                    return getPersistence()
370                                       .filterFindByTableId(tableId, start, end, orderByComparator);
371            }
372    
373            /**
374            * Finds the expando column where tableId = &#63; and name = &#63; or throws a {@link com.liferay.portlet.expando.NoSuchColumnException} if it could not be found.
375            *
376            * @param tableId the table id to search with
377            * @param name the name to search with
378            * @return the matching expando column
379            * @throws com.liferay.portlet.expando.NoSuchColumnException if a matching expando column could not be found
380            * @throws SystemException if a system exception occurred
381            */
382            public static com.liferay.portlet.expando.model.ExpandoColumn findByT_N(
383                    long tableId, java.lang.String name)
384                    throws com.liferay.portal.kernel.exception.SystemException,
385                            com.liferay.portlet.expando.NoSuchColumnException {
386                    return getPersistence().findByT_N(tableId, name);
387            }
388    
389            /**
390            * Finds the expando column where tableId = &#63; and name = &#63; or returns <code>null</code> if it could not be found. Uses the finder cache.
391            *
392            * @param tableId the table id to search with
393            * @param name the name to search with
394            * @return the matching expando column, or <code>null</code> if a matching expando column could not be found
395            * @throws SystemException if a system exception occurred
396            */
397            public static com.liferay.portlet.expando.model.ExpandoColumn fetchByT_N(
398                    long tableId, java.lang.String name)
399                    throws com.liferay.portal.kernel.exception.SystemException {
400                    return getPersistence().fetchByT_N(tableId, name);
401            }
402    
403            /**
404            * Finds the expando column where tableId = &#63; and name = &#63; or returns <code>null</code> if it could not be found, optionally using the finder cache.
405            *
406            * @param tableId the table id to search with
407            * @param name the name to search with
408            * @return the matching expando column, or <code>null</code> if a matching expando column could not be found
409            * @throws SystemException if a system exception occurred
410            */
411            public static com.liferay.portlet.expando.model.ExpandoColumn fetchByT_N(
412                    long tableId, java.lang.String name, boolean retrieveFromCache)
413                    throws com.liferay.portal.kernel.exception.SystemException {
414                    return getPersistence().fetchByT_N(tableId, name, retrieveFromCache);
415            }
416    
417            /**
418            * Finds all the expando columns.
419            *
420            * @return the expando columns
421            * @throws SystemException if a system exception occurred
422            */
423            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findAll()
424                    throws com.liferay.portal.kernel.exception.SystemException {
425                    return getPersistence().findAll();
426            }
427    
428            /**
429            * Finds a range of all the expando columns.
430            *
431            * <p>
432            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
433            * </p>
434            *
435            * @param start the lower bound of the range of expando columns to return
436            * @param end the upper bound of the range of expando columns to return (not inclusive)
437            * @return the range of expando columns
438            * @throws SystemException if a system exception occurred
439            */
440            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findAll(
441                    int start, int end)
442                    throws com.liferay.portal.kernel.exception.SystemException {
443                    return getPersistence().findAll(start, end);
444            }
445    
446            /**
447            * Finds an ordered range of all the expando columns.
448            *
449            * <p>
450            * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
451            * </p>
452            *
453            * @param start the lower bound of the range of expando columns to return
454            * @param end the upper bound of the range of expando columns to return (not inclusive)
455            * @param orderByComparator the comparator to order the results by
456            * @return the ordered range of expando columns
457            * @throws SystemException if a system exception occurred
458            */
459            public static java.util.List<com.liferay.portlet.expando.model.ExpandoColumn> findAll(
460                    int start, int end,
461                    com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
462                    throws com.liferay.portal.kernel.exception.SystemException {
463                    return getPersistence().findAll(start, end, orderByComparator);
464            }
465    
466            /**
467            * Removes all the expando columns where tableId = &#63; from the database.
468            *
469            * @param tableId the table id to search with
470            * @throws SystemException if a system exception occurred
471            */
472            public static void removeByTableId(long tableId)
473                    throws com.liferay.portal.kernel.exception.SystemException {
474                    getPersistence().removeByTableId(tableId);
475            }
476    
477            /**
478            * Removes the expando column where tableId = &#63; and name = &#63; from the database.
479            *
480            * @param tableId the table id to search with
481            * @param name the name to search with
482            * @throws SystemException if a system exception occurred
483            */
484            public static void removeByT_N(long tableId, java.lang.String name)
485                    throws com.liferay.portal.kernel.exception.SystemException,
486                            com.liferay.portlet.expando.NoSuchColumnException {
487                    getPersistence().removeByT_N(tableId, name);
488            }
489    
490            /**
491            * Removes all the expando columns from the database.
492            *
493            * @throws SystemException if a system exception occurred
494            */
495            public static void removeAll()
496                    throws com.liferay.portal.kernel.exception.SystemException {
497                    getPersistence().removeAll();
498            }
499    
500            /**
501            * Counts all the expando columns where tableId = &#63;.
502            *
503            * @param tableId the table id to search with
504            * @return the number of matching expando columns
505            * @throws SystemException if a system exception occurred
506            */
507            public static int countByTableId(long tableId)
508                    throws com.liferay.portal.kernel.exception.SystemException {
509                    return getPersistence().countByTableId(tableId);
510            }
511    
512            /**
513            * Filters by the user's permissions and counts all the expando columns where tableId = &#63;.
514            *
515            * @param tableId the table id to search with
516            * @return the number of matching expando columns that the user has permission to view
517            * @throws SystemException if a system exception occurred
518            */
519            public static int filterCountByTableId(long tableId)
520                    throws com.liferay.portal.kernel.exception.SystemException {
521                    return getPersistence().filterCountByTableId(tableId);
522            }
523    
524            /**
525            * Counts all the expando columns where tableId = &#63; and name = &#63;.
526            *
527            * @param tableId the table id to search with
528            * @param name the name to search with
529            * @return the number of matching expando columns
530            * @throws SystemException if a system exception occurred
531            */
532            public static int countByT_N(long tableId, java.lang.String name)
533                    throws com.liferay.portal.kernel.exception.SystemException {
534                    return getPersistence().countByT_N(tableId, name);
535            }
536    
537            /**
538            * Counts all the expando columns.
539            *
540            * @return the number of expando columns
541            * @throws SystemException if a system exception occurred
542            */
543            public static int countAll()
544                    throws com.liferay.portal.kernel.exception.SystemException {
545                    return getPersistence().countAll();
546            }
547    
548            public static ExpandoColumnPersistence getPersistence() {
549                    if (_persistence == null) {
550                            _persistence = (ExpandoColumnPersistence)PortalBeanLocatorUtil.locate(ExpandoColumnPersistence.class.getName());
551                    }
552    
553                    return _persistence;
554            }
555    
556            public void setPersistence(ExpandoColumnPersistence persistence) {
557                    _persistence = persistence;
558            }
559    
560            private static ExpandoColumnPersistence _persistence;
561    }