de.hybris.platform.commercefacades.catalog.PageOption.java Source code

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Here is the source code for de.hybris.platform.commercefacades.catalog.PageOption.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2014 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 *  
 */
package de.hybris.platform.commercefacades.catalog;

import com.google.common.base.Preconditions;

public final class PageOption {
    private final int pageNumber;
    private final int pageSize;
    private final boolean includeInformationAboutPagesField;

    private PageOption(final int currentPage, final int pageSize, final boolean includeInformationAboutPages) {
        this.pageNumber = currentPage;
        this.pageSize = pageSize;
        this.includeInformationAboutPagesField = includeInformationAboutPages;
    }

    public static PageOption createWithoutLimits() {
        return new PageOption(0, Integer.MAX_VALUE, false);
    }

    public static PageOption createForPageNumberAndPageSize(final int currentPage, final int pageSize) {
        Preconditions.checkArgument(currentPage >= 0);
        Preconditions.checkArgument(pageSize > 0);
        if (pageSize == Integer.MAX_VALUE) {
            return new PageOption(currentPage, pageSize, false);
        } else {
            return new PageOption(currentPage, pageSize, true);
        }

    }

    public int getPageNumber() {
        return pageNumber;
    }

    public int getPageSize() {
        return pageSize;
    }

    public int getPageStart() {
        return pageSize * pageNumber;
    }

    public boolean includeInformationAboutPages() {
        return includeInformationAboutPagesField;
    }
}