io.gravitee.management.rest.model.PagedResult Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of gravitee-management-api-rest Show documentation
There is a newer version: 1.30.31
Show newest version
/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.management.rest.model;

import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.Collection;
import java.util.Map;

/**
 * @author Nicolas GERAUD (nicolas.geraud at graviteesource.com) 
 * @author GraviteeSource Team
 */
public class PagedResult {

    private final Collection data;
    private Map> metadata;
    private final Page page;

    public PagedResult(Collection data, int pageNumber, int perPage, int totalElements) {
        this.data = data;
        this.page = new Page(pageNumber, perPage, data.size(), totalElements);
    }

    public PagedResult(Collection data) {
        this(data, 1, data.size(), data.size());
    }

    public PagedResult(io.gravitee.common.data.domain.Page page, int perPage) {
        this(page.getContent(), page.getPageNumber(), perPage, (int) page.getTotalElements());
    }

    public Collection getData() {
        return data;
    }

    public void setMetadata(Map> metadata) {
        this.metadata = metadata;
    }

    public Map> getMetadata() {
        return metadata;
    }

    public Page getPage() {
        return page;
    }

    public class Page {
        /**
         * the current page number. Start to 1
         */
        private final int current;

        /**
         * the requested number of elements per page
         */
        @JsonProperty("per_page")
        private final int perPage;

        /**
         * the size of the result
         */
        private final int size;

        /**
         * the maximum page number
         */
        @JsonProperty("total_pages")
        private final int totalPages;

        /**
         * the count of all elements
         */
        @JsonProperty("total_elements")
        private final int totalElements;

        public Page(int current, int perPage, int size, int totalElements) {
            this.current = current;
            this.perPage = perPage;
            this.size = size;
            this.totalPages = (int) Math.ceil((double)totalElements / (double)perPage);
            this.totalElements = totalElements;
        }

        public int getCurrent() {
            return current;
        }
        public int getPerPage() {
            return perPage;
        }
        public int getSize() {
            return size;
        }
        public int getTotalPages() {
            return totalPages;
        }
        public int getTotalElements() {
            return totalElements;
        }
    }
}