Java PageDetails.getPageDetails方法代码示例

import org.alfresco.query.PageDetails; //导入方法依赖的package包/类
protected <T> PagingResults<T> wrapResult(PagingRequest pagingRequest, List<T> result)
{
    final int totalSize = result.size();
    final PageDetails pageDetails = PageDetails.getPageDetails(pagingRequest, totalSize);

    final List<T> page = new ArrayList<>(pageDetails.getPageSize());
    Iterator<T> it = result.iterator();
    for (int counter = 0; counter < pageDetails.getEnd() && it.hasNext(); counter++)
    {
        T element = it.next();
        if (counter < pageDetails.getSkipCount())
        {
            continue;
        }
        if (counter > pageDetails.getEnd() - 1)
        {
            break;
        }
        page.add(element);
    }

    return new PagingResults<T>()
    {
        @Override
        public List<T> getPage()
        {
            return page;
        }

        @Override
        public boolean hasMoreItems()
        {
            return pageDetails.hasMoreItems();
        }

        @Override
        public Pair<Integer, Integer> getTotalResultCount()
        {
            Integer total = Integer.valueOf(totalSize);
            return new Pair<>(total, total);
        }

        @Override
        public String getQueryExecutionId()
        {
            return null;
        }
    };
}
 

import org.alfresco.query.PageDetails; //导入方法依赖的package包/类
public static <T> PagingResults<T> wrapPagingResults(Paging paging, Collection<T> result)
{
    if (paging == null)
    {
        throw new InvalidArgumentException("paging object can't be null.");
    }
    if (result == null)
    {
        result = Collections.emptyList();
    }

    PagingRequest pagingRequest = getPagingRequest(paging);

    final int totalSize = result.size();
    final PageDetails pageDetails = PageDetails.getPageDetails(pagingRequest, totalSize);

    final List<T> page = new ArrayList<>(pageDetails.getPageSize());
    Iterator<T> it = result.iterator();
    for (int counter = 0, end = pageDetails.getEnd(); counter < end && it.hasNext(); counter++)
    {
        T element = it.next();
        if (counter < pageDetails.getSkipCount())
        {
            continue;
        }
        if (counter > end - 1)
        {
            break;
        }
        page.add(element);
    }

    return new PagingResults<T>()
    {
        @Override
        public List<T> getPage()
        {
            return page;
        }

        @Override
        public boolean hasMoreItems()
        {
            return pageDetails.hasMoreItems();
        }

        @Override
        public Pair<Integer, Integer> getTotalResultCount()
        {
            Integer total = totalSize;
            return new Pair<>(total, total);
        }

        @Override
        public String getQueryExecutionId()
        {
            return null;
        }
    };
}
 

import org.alfresco.query.PageDetails; //导入方法依赖的package包/类
public CollectionWithPagingInfo<MemberOfSite> getSites(String personId, Parameters parameters)
{
    Paging paging = parameters.getPaging();

    personId = people.validatePerson(personId);

    PagingRequest pagingRequest = Util.getPagingRequest(paging);

    // get the sorting options
    List<Pair<? extends Object, SortOrder>> sortPairs = new ArrayList<>(parameters.getSorting().size());

    List<SortColumn> sortCols = parameters.getSorting();
    if ((sortCols != null) && (sortCols.size() > 0))
    {
        for (SortColumn sortCol : sortCols)
        {
            SiteService.SortFields sortProp = SORT_SITE_MEMBERSHIP.get(sortCol.column);
            if (sortProp == null)
            {
                throw new InvalidArgumentException("Invalid sort field: "+sortCol.column);
            }
            sortPairs.add(new Pair<>(sortProp, (sortCol.asc ? SortOrder.ASCENDING : SortOrder.DESCENDING)));
        }
    }
    else
    {
        // default sort order
        sortPairs.add(new Pair<SiteService.SortFields, SortOrder>(
                SiteService.SortFields.SiteTitle,
                SortOrder.ASCENDING ));
    }

    // get the unsorted list of site memberships
    List<SiteMembership> siteMembers = siteService.listSiteMemberships(personId, 0);

    // sort the list of site memberships
    int totalSize = siteMembers.size();
    final List<SiteMembership> sortedSiteMembers = new ArrayList<>(siteMembers);
    Collections.sort(sortedSiteMembers, new SiteMembershipComparator(
                sortPairs,
                SiteMembershipComparator.Type.SITES));

    PageDetails pageDetails = PageDetails.getPageDetails(pagingRequest, totalSize);
    List<MemberOfSite> ret = new ArrayList<>(totalSize);

    List<FilterProp> filterProps = getFilterPropListOfSites(parameters);

    int counter;
    int totalItems = 0;
    Iterator<SiteMembership> it = sortedSiteMembers.iterator();
    for(counter = 0; it.hasNext();)
    {
        SiteMembership siteMember = it.next();

        if (filterProps != null && !includeFilter(siteMember, filterProps))
        {
            continue;
        }

        if(counter < pageDetails.getSkipCount())
        {
            totalItems++;
            counter++;
            continue;
        }
        
        if (counter <= pageDetails.getEnd() - 1)
        {
            SiteInfo siteInfo = siteMember.getSiteInfo();
            MemberOfSite memberOfSite = new MemberOfSite(siteInfo.getShortName(), siteInfo.getNodeRef(), siteMember.getRole());
            ret.add(memberOfSite);

            counter++;
        }

        totalItems++;
    }
    return CollectionWithPagingInfo.asPaged(paging, ret, counter < totalItems, totalItems);

}
 

import org.alfresco.query.PageDetails; //导入方法依赖的package包/类
public CollectionWithPagingInfo<MemberOfSite> getSites(String personId, Parameters parameters)
{
    Paging paging = parameters.getPaging();

    personId = people.validatePerson(personId);

    PagingRequest pagingRequest = Util.getPagingRequest(paging);

    // get the sorting options
    List<Pair<? extends Object, SortOrder>> sortPairs = new ArrayList<Pair<? extends Object, SortOrder>>(parameters.getSorting().size());
    for (SortColumn sortColumn : parameters.getSorting())
    {
        SiteService.SortFields sortField;
        try 
        {
            sortField= SiteService.SortFields.valueOf(sortColumn.column);
        } 
        catch (IllegalArgumentException ex)
        {
            // invalid sort field
            continue;
        }
        
        sortPairs.add(new Pair<SiteService.SortFields, SortOrder>(
                sortField, 
                (sortColumn.asc ? SortOrder.ASCENDING : SortOrder.DESCENDING)));
    }
    
    // if no sorting options were specify, sort by title
    if(sortPairs.size() == 0)
    {
        sortPairs.add(new Pair<SiteService.SortFields, SortOrder>(
                SiteService.SortFields.SiteTitle,
                SortOrder.ASCENDING ));
    }

    // get the unsorted list of site memberships
    List<SiteMembership> siteMembers = siteService.listSiteMemberships (personId, 0);

    // sort the list of site memberships
    int totalSize = siteMembers.size();
    final List<SiteMembership> sortedSiteMembers = new ArrayList<>(siteMembers);
    Collections.sort(sortedSiteMembers, new SiteMembershipComparator(
                sortPairs,
                SiteMembershipComparator.Type.SITES));

    PageDetails pageDetails = PageDetails.getPageDetails(pagingRequest, totalSize);
    List<MemberOfSite> ret = new ArrayList<>(totalSize);
    
    Iterator<SiteMembership> it = sortedSiteMembers.iterator();
    for(int counter = 0; counter < pageDetails.getEnd() && it.hasNext(); counter++)
    {
        SiteMembership siteMember = it.next();

        if(counter < pageDetails.getSkipCount())
        {
            continue;
        }
        
        if(counter > pageDetails.getEnd() - 1)
        {
            break;
        }

        SiteInfo siteInfo = siteMember.getSiteInfo();
        MemberOfSite memberOfSite = new MemberOfSite(siteInfo.getShortName(), siteInfo.getNodeRef(), siteMember.getRole());
        ret.add(memberOfSite);
    }
    return CollectionWithPagingInfo.asPaged(paging, ret, pageDetails.hasMoreItems(), null);

}