001/*
002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Thomas Roger
016 */
017
018package org.nuxeo.ecm.automation.core.util;
019
020import java.util.ArrayList;
021import java.util.Map;
022
023import org.nuxeo.ecm.platform.query.api.Aggregate;
024import org.nuxeo.ecm.platform.query.api.Bucket;
025import org.nuxeo.ecm.platform.query.api.PageProvider;
026
027/**
028 * Wraps a {@link org.nuxeo.ecm.platform.query.api.PageProvider}.
029 *
030 * @since 5.7.3
031 */
032public class PaginablePageProvider<T> extends ArrayList<T> implements Paginable<T> {
033
034    private static final long serialVersionUID = 1L;
035
036    protected PageProvider<T> pageProvider;
037
038    public PaginablePageProvider(PageProvider<T> pageProvider) {
039        super(pageProvider.getCurrentPage());
040        this.pageProvider = pageProvider;
041    }
042
043    @Override
044    public long getPageSize() {
045        return pageProvider.getPageSize();
046    }
047
048    @Override
049    public long getMaxPageSize() {
050        return pageProvider.getMaxPageSize();
051    }
052
053    @Override
054    public long getResultsCount() {
055        return pageProvider.getResultsCount();
056    }
057
058    @Override
059    public long getNumberOfPages() {
060        return pageProvider.getNumberOfPages();
061    }
062
063    @Override
064    public boolean isNextPageAvailable() {
065        return pageProvider.isNextPageAvailable();
066    }
067
068    @Override
069    public boolean isLastPageAvailable() {
070        return pageProvider.isLastPageAvailable();
071    }
072
073    @Override
074    public boolean isPreviousPageAvailable() {
075        return pageProvider.isPreviousPageAvailable();
076    }
077
078    @Override
079    public long getCurrentPageSize() {
080        return pageProvider.getCurrentPageSize();
081    }
082
083    @Override
084    public long getCurrentPageIndex() {
085        return pageProvider.getCurrentPageIndex();
086    }
087
088    @Override
089    public boolean isSortable() {
090        return pageProvider.isSortable();
091    }
092
093    @Override
094    public boolean hasError() {
095        return pageProvider.hasError();
096    }
097
098    @Override
099    public String getErrorMessage() {
100        return pageProvider.getErrorMessage();
101    }
102
103    @Override
104    public Map<String, Aggregate<? extends Bucket>> getAggregates() {
105        return pageProvider.getAggregates();
106    }
107
108    @Override
109    public boolean hasAggregateSupport() {
110        return pageProvider.hasAggregateSupport();
111    }
112}