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.common.paging.PagingRequest; 019import org.gbif.api.model.common.paging.PagingResponse; 020import org.gbif.api.model.registry.Dataset; 021import org.gbif.api.service.registry.DatasetService; 022 023import java.util.UUID; 024 025/** 026 * Iterates over all dataset constituents of a given super dataset. 027 */ 028public class DatasetConstituentPager extends DatasetBasePager { 029 030 private final DatasetService service; 031 private final UUID datasetKey; 032 033 public DatasetConstituentPager(DatasetService service, UUID datasetKey, int pageSize) { 034 super(null, pageSize); 035 this.service = service; 036 this.datasetKey = datasetKey; 037 } 038 039 @Override 040 public PagingResponse<Dataset> nextPage(PagingRequest page) { 041 return service.listConstituents(datasetKey, page); 042 } 043 044}