Example usage for javax.persistence Query getMaxResults

Introduction

In this page you can find the example usage for javax.persistence Query getMaxResults.

Prototype

int getMaxResults();

Source Link

Document

The maximum number of results the query object was set to retrieve.

Usage

From source file:org.apache.ranger.biz.UserMgr.java

/**
 * @param searchCriteria//  w  w w. ja v a  2  s  . c  o m
 * @return
 */
public VXPortalUserList searchUsers(SearchCriteria searchCriteria) {

    VXPortalUserList returnList = new VXPortalUserList();
    ArrayList<VXPortalUser> objectList = new ArrayList<VXPortalUser>();
    String queryStr = "SELECT u FROM  XXPortalUser u ";
    String countQueryStr = "SELECT COUNT(u) FROM XXPortalUser u ";

    // Get total count first
    Query query = createUserSearchQuery(countQueryStr, null, searchCriteria);
    Long count = (Long) query.getSingleResult();
    int resultSize = count != null ? count.intValue() : 0;
    if (resultSize == 0) {
        return returnList;
    }

    // Get actual data

    // Add sort by
    String sortBy = searchCriteria.getSortBy();
    String querySortBy = "u.loginId";
    if (!stringUtil.isEmpty(sortBy)) {
        sortBy = sortBy.trim();
        if (sortBy.equalsIgnoreCase("userId")) {
            querySortBy = "u.id";
        } else if (sortBy.equalsIgnoreCase("loginId")) {
            querySortBy = "ua.loginId";
        } else if (sortBy.equalsIgnoreCase("emailAddress")) {
            querySortBy = "u.emailAddress";
        } else if (sortBy.equalsIgnoreCase("firstName")) {
            querySortBy = "u.firstName";
        } else if (sortBy.equalsIgnoreCase("lastName")) {
            querySortBy = "u.lastName";
        } else {
            sortBy = "loginId";
            logger.error("Invalid sortBy provided. sortBy=" + sortBy);
        }
    } else {
        sortBy = "loginId";
    }

    // Default sort field
    String sortClause = " order by " + querySortBy + " ";

    // Add sort type
    String sortType = searchCriteria.getSortType();
    String querySortType = "asc";
    if (sortType != null) {
        if (sortType.equalsIgnoreCase("asc") || sortType.equalsIgnoreCase("desc")) {
            querySortType = sortType;
        } else {
            logger.error("Invalid sortType. sortType=" + sortType);
        }
    }
    sortClause += querySortType;

    query = createUserSearchQuery(queryStr, sortClause, searchCriteria);

    // Set start index
    query.setFirstResult(searchCriteria.getStartIndex());

    searchUtil.updateQueryPageSize(query, searchCriteria);

    @SuppressWarnings("rawtypes")
    List resultList = query.getResultList();
    // Iterate over the result list and create the return list
    for (Object object : resultList) {
        XXPortalUser gjUser = (XXPortalUser) object;
        VXPortalUser userProfile = new VXPortalUser();
        gjUserToUserProfile(gjUser, userProfile);
        objectList.add(userProfile);
    }

    returnList.setResultSize(resultSize);
    returnList.setPageSize(query.getMaxResults());
    returnList.setSortBy(sortBy);
    returnList.setSortType(querySortType);
    returnList.setStartIndex(query.getFirstResult());
    returnList.setTotalCount(count.longValue());
    returnList.setVXPortalUsers(objectList);
    return returnList;
}

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From source file:org.apache.ranger.service.RangerBaseModelService.java

public List<T> searchResources(SearchFilter searchCriteria, List<SearchField> searchFieldList,
        List<SortField> sortFieldList, VList vList) {

    // Get total count of the rows which meet the search criteria
    long count = -1;
    if (searchCriteria.isGetCount()) {
        count = getCountForSearchQuery(searchCriteria, searchFieldList);
        if (count == 0) {
            return Collections.emptyList();
        }/* w ww  .j a v a2 s  .  c  o m*/
    }

    String sortClause = searchUtil.constructSortClause(searchCriteria, sortFieldList);

    String q = queryStr;
    Query query = createQuery(q, sortClause, searchCriteria, searchFieldList, false);

    List<T> resultList = getDao().executeQueryInSecurityContext(tEntityClass, query);

    if (vList != null) {
        vList.setResultSize(resultList.size());
        vList.setPageSize(query.getMaxResults());
        vList.setSortBy(searchCriteria.getSortBy());
        vList.setSortType(searchCriteria.getSortType());
        vList.setStartIndex(query.getFirstResult());
        vList.setTotalCount(count);
    }
    return resultList;
}

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From source file:org.apache.ranger.service.RangerBaseModelService.java

protected List<T> searchRangerObjects(SearchFilter searchCriteria, List<SearchField> searchFieldList,
        List<SortField> sortFieldList, PList<V> pList) {

    // Get total count of the rows which meet the search criteria
    long count = -1;
    if (searchCriteria.isGetCount()) {
        count = getCountForSearchQuery(searchCriteria, searchFieldList);
        if (count == 0) {
            return Collections.emptyList();
        }//from  www.  ja  v a2s .c  o  m
    }

    String sortClause = searchUtil.constructSortClause(searchCriteria, sortFieldList);

    String q = queryStr;
    Query query = createQuery(q, sortClause, searchCriteria, searchFieldList, false);

    List<T> resultList = getDao().executeQueryInSecurityContext(tEntityClass, query);

    if (pList != null) {
        pList.setResultSize(resultList.size());
        pList.setPageSize(query.getMaxResults());
        pList.setSortBy(searchCriteria.getSortBy());
        pList.setSortType(searchCriteria.getSortType());
        pList.setStartIndex(query.getFirstResult());
        pList.setTotalCount(count);
    }
    return resultList;
}

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From source file:org.apache.ranger.service.RangerPluginInfoService.java

private List<XXPluginInfo> searchRangerObjects(SearchFilter searchCriteria, List<SearchField> searchFieldList,
        List<SortField> sortFieldList, PList<RangerPluginInfo> pList) {

    // Get total count of the rows which meet the search criteria
    long count = -1;
    if (searchCriteria.isGetCount()) {
        count = getCountForSearchQuery(searchCriteria, searchFieldList);
        if (count == 0) {
            return Collections.emptyList();
        }/*from  w w  w. j  a  v a2  s . c o  m*/
    }

    String sortClause = searchUtil.constructSortClause(searchCriteria, sortFieldList);

    String queryStr = "SELECT obj FROM " + XXPluginInfo.class.getName() + " obj ";
    Query query = createQuery(queryStr, sortClause, searchCriteria, searchFieldList, false);

    List<XXPluginInfo> resultList = daoManager.getXXPluginInfo()
            .executeQueryInSecurityContext(XXPluginInfo.class, query);

    if (pList != null) {
        pList.setResultSize(resultList.size());
        pList.setPageSize(query.getMaxResults());
        pList.setSortBy(searchCriteria.getSortBy());
        pList.setSortType(searchCriteria.getSortType());
        pList.setStartIndex(query.getFirstResult());
        pList.setTotalCount(count);
    }
    return resultList;
}

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