001/*
002 * Copyright 2020 Global Biodiversity Information Facility (GBIF)
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.gbif.api.util.iterables;
017
018import org.gbif.api.model.collections.Institution;
019import org.gbif.api.model.collections.request.InstitutionSearchRequest;
020import org.gbif.api.model.common.paging.PagingRequest;
021import org.gbif.api.model.common.paging.PagingResponse;
022import org.gbif.api.service.collections.InstitutionService;
023
024/**
025 * Iterates over results of {@link InstitutionService#list(InstitutionSearchRequest)}.
026 */
027public class InstitutionsPager extends BasePager<Institution> {
028
029  private final InstitutionService service;
030  private final InstitutionSearchRequest searchRequest;
031
032  public InstitutionsPager(InstitutionService service,
033                           InstitutionSearchRequest searchRequest,
034                           int pageSize) {
035    super(pageSize);
036    this.searchRequest = searchRequest;
037    this.service = service;
038  }
039
040  @Override
041  public PagingResponse<Institution> nextPage(PagingRequest page) {
042    searchRequest.setOffset(page.getOffset());
043    searchRequest.setLimit(page.getLimit());
044    return service.list(searchRequest);
045  }
046
047}