java - How to use dynamic query to join liferay table with custom table? -


i have custom business table. have user liferay table.

how can join 2 tables using dynamic query?

here mycode example:

            //sub query business              dynamicquery businessquery = dynamicqueryfactoryutil                     .getdynamicqueryfactory().forclass(business.class,                             portletclassloaderutil.getclassloader());              businessquery.setprojection(propertyfactoryutil                     .forname("mappinguserid"));              // root query user              dynamicquery userquery = dynamicqueryfactoryutil.forclass(                     user.class, portalclassloaderutil.getclassloader());              criterion userquerycriterion = null;              userquerycriterion = propertyfactoryutil.forname("userid").in(                     businessquery);              userquerycriterion = restrictionsfactoryutil.or(userquerycriterion,                     propertyfactoryutil.forname("emailaddress").like(keyword));              userquerycriterion = restrictionsfactoryutil.or(userquerycriterion,                     propertyfactoryutil.forname("screenname").like(keyword));              userquery.add(userquerycriterion);              list<user> list = userlocalserviceutil.dynamicquery(userquery);

problem here portalclassloader dont understand portletclassloader got error.

[basepersistenceimpl:244] caught unexpected exception org.hibernate.mappingexception [businessfinderimpl:516] null com.liferay.portal.kernel.exception.systemexception: org.hibernate.mappingexception: unknown entity: org.test.accountt.model.impl.businessimpl     @ com.liferay.portal.service.persistence.impl.basepersistenceimpl.processexception(basepersistenceimpl.java:251)     @ com.liferay.portal.service.persistence.impl.basepersistenceimpl.findwithdynamicquery(basepersistenceimpl.java:144)     @ com.liferay.portal.service.base.userlocalservicebaseimpl.dynamicquery(userlocalservicebaseimpl.java:231)

any idea ?


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