Example usage for org.springframework.data.domain Pageable getPageSize

List of usage examples for org.springframework.data.domain Pageable getPageSize

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Introduction

In this page you can find the example usage for org.springframework.data.domain Pageable getPageSize.

Prototype

int getPageSize();

Source Link

Document

Returns the number of items to be returned.

Usage

From source file:org.dspace.app.rest.converter.DiscoverFacetResultsConverter.java

private SearchFacetEntryRest convertFacetEntry(final String facetName, final DiscoverResult searchResult,
        final DiscoveryConfiguration configuration, final Pageable page) {
    DiscoverySearchFilterFacet field = configuration.getSidebarFacet(facetName);

    SearchFacetEntryRest facetEntryRest = new SearchFacetEntryRest(facetName);
    List<DiscoverResult.FacetResult> facetResults = searchResult.getFacetResult(field);

    if (!facetResults.isEmpty()) {
        facetEntryRest.setFacetType(facetResults.get(0).getFieldType());
    }//from  w ww .  j a  va 2s .  c o m

    facetEntryRest.setFacetLimit(field.getFacetLimit());

    //We requested one extra facet value. Check if that value is present to indicate that there are more results
    facetEntryRest.setHasMore(facetResults.size() > page.getPageSize());

    return facetEntryRest;
}

From source file:org.dspace.app.rest.model.hateoas.FacetsResource.java

private void embedFacetResults(SearchResultsRest data, Pageable page) {
    int i = 0;/*from   w ww  .  j  a  v a 2 s. c om*/
    for (SearchFacetEntryRest searchFacetEntryRest : CollectionUtils.emptyIfNull(data.getFacets())) {
        if (i >= page.getOffset() && i < page.getOffset() + page.getPageSize()) {
            facetResources.add(new SearchFacetEntryResource(searchFacetEntryRest, data));
        }
    }

    embedResource("facets", facetResources);
}

From source file:org.dspace.app.rest.repository.BrowseEntryLinkRepository.java

public Page<BrowseEntryRest> listBrowseEntries(HttpServletRequest request, String browseName, Pageable pageable,
        String projection) throws BrowseException, SQLException {
    // FIXME this should be bind automatically and available as method
    // argument//from   www .j  av a  2 s  .c o m
    String scope = null;
    if (request != null) {
        scope = request.getParameter("scope");
    }

    Context context = obtainContext();
    BrowseEngine be = new BrowseEngine(context);
    BrowserScope bs = new BrowserScope(context);
    DSpaceObject scopeObj = null;
    if (scope != null) {
        UUID uuid = UUID.fromString(scope);
        scopeObj = communityService.find(context, uuid);
        if (scopeObj == null) {
            scopeObj = collectionService.find(context, uuid);
        }
    }

    // process the input, performing some inline validation
    final BrowseIndex bi;
    if (StringUtils.isNotEmpty(browseName)) {
        bi = BrowseIndex.getBrowseIndex(browseName);
    } else {
        bi = null;
    }
    if (bi == null) {
        throw new IllegalArgumentException("Unknown browse index");
    }
    if (!bi.isMetadataIndex()) {
        throw new IllegalStateException("The requested browse haven't metadata entries");
    }

    // set up a BrowseScope and start loading the values into it
    bs.setBrowseIndex(bi);
    Sort sort = null;
    if (pageable != null) {
        sort = pageable.getSort();
    }
    if (sort != null) {
        Iterator<Order> orders = sort.iterator();
        while (orders.hasNext()) {
            bs.setOrder(orders.next().getDirection().name());
        }
    }
    // bs.setFilterValue(value != null?value:authority);
    // bs.setFilterValueLang(valueLang);
    // bs.setJumpToItem(focus);
    // bs.setJumpToValue(valueFocus);
    // bs.setJumpToValueLang(valueFocusLang);
    // bs.setStartsWith(startsWith);
    if (pageable != null) {
        bs.setOffset(pageable.getOffset());
        bs.setResultsPerPage(pageable.getPageSize());
    }
    // bs.setEtAl(etAl);
    // bs.setAuthorityValue(authority);

    if (scopeObj != null) {
        bs.setBrowseContainer(scopeObj);
    }

    BrowseInfo binfo = be.browse(bs);
    Pageable pageResultInfo = new PageRequest((binfo.getStart() - 1) / binfo.getResultsPerPage(),
            binfo.getResultsPerPage());
    Page<BrowseEntryRest> page = new PageImpl<String[]>(Arrays.asList(binfo.getStringResults()), pageResultInfo,
            binfo.getTotal()).map(converter);
    page.forEach(new Consumer<BrowseEntryRest>() {
        @Override
        public void accept(BrowseEntryRest t) {
            t.setBrowseIndex(bixConverter.convert(bi));
        }
    });
    return page;
}

From source file:org.dspace.app.rest.repository.BrowseItemLinkRepository.java

public Page<ItemRest> listBrowseItems(HttpServletRequest request, String browseName, Pageable pageable,
        String projection) throws BrowseException, SQLException {
    //FIXME these should be bind automatically and available as method arguments
    String scope = null;//from w  ww.j a  v  a  2  s .  co  m
    String filterValue = null;
    String filterAuthority = null;

    if (request != null) {
        scope = request.getParameter("scope");
        filterValue = request.getParameter("filterValue");
        filterAuthority = request.getParameter("filterAuthority");
    }
    Context context = obtainContext();
    BrowseEngine be = new BrowseEngine(context);
    BrowserScope bs = new BrowserScope(context);
    DSpaceObject scopeObj = null;
    if (scope != null) {
        UUID uuid = UUID.fromString(scope);
        scopeObj = communityService.find(context, uuid);
        if (scopeObj == null) {
            scopeObj = collectionService.find(context, uuid);
        }
    }

    // process the input, performing some inline validation
    BrowseIndex bi = null;
    if (StringUtils.isNotEmpty(browseName)) {
        bi = BrowseIndex.getBrowseIndex(browseName);
    }
    if (bi == null) {
        throw new IllegalArgumentException("Unknown browse index");
    }
    if (!bi.isItemIndex() && (filterAuthority == null && filterValue == null)) {
        throw new IllegalStateException(
                "The requested browse doesn't provide direct access to items you must specify a filter");
    }

    if (!bi.isMetadataIndex() && (filterAuthority != null || filterValue != null)) {
        throw new IllegalStateException("The requested browse doesn't support filtering");
    }

    // set up a BrowseScope and start loading the values into it
    bs.setBrowseIndex(bi);
    Sort sort = null;
    if (pageable != null) {
        sort = pageable.getSort();
    }
    if (sort != null) {
        Iterator<Order> orders = sort.iterator();
        while (orders.hasNext()) {
            Order order = orders.next();
            bs.setOrder(order.getDirection().name());
            String sortBy;
            if (!StringUtils.equals("default", order.getProperty())) {
                sortBy = order.getProperty();
            } else {
                sortBy = bi.getDefaultOrder();
            }

            try {
                SortOption so = SortOption.getSortOption(sortBy);
                if (so != null) {
                    bs.setSortBy(so.getNumber());
                }
            } catch (SortException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    }

    if (filterValue != null || filterAuthority != null) {
        bs.setFilterValue(filterValue);
        bs.setAuthorityValue(filterAuthority);
        bs.setBrowseLevel(1);
    }
    // bs.setFilterValueLang(valueLang);
    // bs.setJumpToItem(focus);
    // bs.setJumpToValue(valueFocus);
    // bs.setJumpToValueLang(valueFocusLang);
    // bs.setStartsWith(startsWith);
    if (pageable != null) {
        bs.setOffset(pageable.getOffset());
        bs.setResultsPerPage(pageable.getPageSize());
    }

    if (scopeObj != null) {
        bs.setBrowseContainer(scopeObj);
    }

    // For second level browses on metadata indexes, we need to adjust the default sorting
    if (bi != null && bi.isMetadataIndex() && bs.isSecondLevel() && bs.getSortBy() <= 0) {
        bs.setSortBy(1);
    }

    BrowseInfo binfo = be.browse(bs);

    Pageable pageResultInfo = new PageRequest((binfo.getStart() - 1) / binfo.getResultsPerPage(),
            binfo.getResultsPerPage());
    Page<ItemRest> page = new PageImpl<Item>(binfo.getBrowseItemResults(), pageResultInfo, binfo.getTotal())
            .map(converter);
    return page;
}

From source file:org.dspace.app.rest.repository.CollectionRestRepository.java

@Override
public Page<CollectionRest> findAll(Context context, Pageable pageable) {
    List<Collection> it = null;
    List<Collection> collections = new ArrayList<Collection>();
    int total = 0;
    try {/*from w  ww . jav a2s  .  com*/
        total = cs.countTotal(context);
        it = cs.findAll(context, pageable.getPageSize(), pageable.getOffset());
        for (Collection c : it) {
            collections.add(c);
        }
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<CollectionRest> page = new PageImpl<Collection>(collections, pageable, total).map(dsoConverter);
    return page;
}

From source file:org.dspace.app.rest.repository.CommunityRestRepository.java

@Override
public Page<CommunityRest> findAll(Context context, Pageable pageable) {
    List<Community> it = null;
    List<Community> communities = new ArrayList<Community>();
    int total = 0;
    try {//  w ww. ja v  a 2s  . co  m
        total = cs.countTotal(context);
        it = cs.findAll(context, pageable.getPageSize(), pageable.getOffset());
        for (Community c : it) {
            communities.add(c);
        }
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<CommunityRest> page = new PageImpl<Community>(communities, pageable, total).map(dsoConverter);
    return page;
}

From source file:org.dspace.app.rest.repository.EPersonRestRepository.java

@Override
public Page<EPersonRest> findAll(Context context, Pageable pageable) {
    List<EPerson> epersons = null;
    int total = 0;
    try {/*from w  ww . j  a v  a  2 s.  c o  m*/
        if (!authorizeService.isAdmin(context)) {
            throw new RESTAuthorizationException(
                    "The EPerson collection endpoint is reserved to system administrators");
        }
        total = es.countTotal(context);
        epersons = es.findAll(context, EPerson.ID, pageable.getPageSize(), pageable.getOffset());
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<EPersonRest> page = new PageImpl<EPerson>(epersons, pageable, total).map(converter);
    return page;
}

From source file:org.dspace.app.rest.repository.EPersonRestRepository.java

/**
 * Find the epersons matching the query q parameter. The search is delegated to the
 * {@link EPersonService#search(Context, String, int, int)} method
 *
 * @param q//from w  w w .  j av a 2s  . com
 *            is the *required* query string
 * @param pageable
 *            contains the pagination information
 * @return a Page of EPersonRest instances matching the user query
 */
@SearchRestMethod(name = "byName")
public Page<EPersonRest> findByName(@Parameter(value = "q", required = true) String q, Pageable pageable) {
    List<EPerson> epersons = null;
    int total = 0;
    try {
        Context context = obtainContext();
        epersons = es.search(context, q, pageable.getOffset(), pageable.getOffset() + pageable.getPageSize());
        total = es.searchResultCount(context, q);
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<EPersonRest> page = new PageImpl<EPerson>(epersons, pageable, total).map(converter);
    return page;
}

From source file:org.dspace.app.rest.repository.ItemRestRepository.java

@Override
@PreAuthorize("hasAuthority('ADMIN')")
public Page<ItemRest> findAll(Context context, Pageable pageable) {
    Iterator<Item> it = null;
    List<Item> items = new ArrayList<Item>();
    int total = 0;
    try {/*from  w w  w  .  j  a  v  a  2s . co  m*/
        total = is.countTotal(context);
        it = is.findAll(context, pageable.getPageSize(), pageable.getOffset());
        while (it.hasNext()) {
            Item i = it.next();
            items.add(i);
        }
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<ItemRest> page = new PageImpl<Item>(items, pageable, total).map(dsoConverter);
    return page;
}

From source file:org.dspace.app.rest.repository.SubmissionUploadRestRepository.java

@Override
public Page<SubmissionUploadRest> findAll(Context context, Pageable pageable) {
    List<SubmissionConfig> subConfs = new ArrayList<SubmissionConfig>();
    subConfs = submissionConfigReader.getAllSubmissionConfigs(pageable.getPageSize(), pageable.getOffset());
    List<SubmissionUploadRest> results = new ArrayList<>();
    for (SubmissionConfig config : subConfs) {
        for (int i = 0; i < config.getNumberOfSteps(); i++) {
            SubmissionStepConfig step = config.getStep(i);
            if (SubmissionStepConfig.UPLOAD_STEP_NAME.equals(step.getType())) {
                UploadConfiguration uploadConfig = uploadConfigurationService.getMap().get(step.getId());
                if (uploadConfig != null) {
                    try {
                        results.add(convert(context, uploadConfig));
                    } catch (Exception e) {
                        log.error(e.getMessage(), e);
                    }//  w w  w .  jav a2  s .co  m
                }
            }
        }
    }
    return new PageImpl<SubmissionUploadRest>(results, pageable, results.size());
}