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/*
 * Copyright © 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.common.data.domain;

import java.util.List;
import java.util.function.Function;

/**
 * @author Titouan COMPIEGNE (titouan.compiegne at graviteesource.com)
 * @author GraviteeSource Team
 */
public class Page {

    private final List content;
    private final int page;
    private final int size;
    private final long total;

    public Page(List content, int page, int size, long total) {
        this.content = content;
        this.page = page;
        this.size = size;
        this.total = total;
    }

    public  Page map(Function mapper) {
        return new Page<>(content.stream().map(mapper).toList(), page, size, total);
    }

    public List getContent() {
        return content;
    }

    public long getTotalElements() {
        return total;
    }

    public int getPageNumber() {
        return page;
    }

    public long getPageElements() {
        return (total <= size) ? total : size;
    }
}