001/*
002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others.
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 *
016 * Contributors:
017 *     Thomas Roger
018 */
019
020package org.nuxeo.ecm.automation.core.util;
021
022import java.util.ArrayList;
023import java.util.Map;
024
025import org.nuxeo.ecm.platform.query.api.Aggregate;
026import org.nuxeo.ecm.platform.query.api.Bucket;
027import org.nuxeo.ecm.platform.query.api.PageProvider;
028
029/**
030 * Wraps a {@link org.nuxeo.ecm.platform.query.api.PageProvider}.
031 *
032 * @since 5.7.3
033 */
034public class PaginablePageProvider<T> extends ArrayList<T> implements Paginable<T> {
035
036    private static final long serialVersionUID = 1L;
037
038    protected PageProvider<T> pageProvider;
039
040    public PaginablePageProvider(PageProvider<T> pageProvider) {
041        super(pageProvider.getCurrentPage());
042        this.pageProvider = pageProvider;
043    }
044
045    @Override
046    public long getPageSize() {
047        return pageProvider.getPageSize();
048    }
049
050    @Override
051    public long getMaxPageSize() {
052        return pageProvider.getMaxPageSize();
053    }
054
055    @Override
056    public long getResultsCount() {
057        return pageProvider.getResultsCount();
058    }
059
060    @Override
061    public long getNumberOfPages() {
062        return pageProvider.getNumberOfPages();
063    }
064
065    @Override
066    public boolean isNextPageAvailable() {
067        return pageProvider.isNextPageAvailable();
068    }
069
070    @Override
071    public boolean isLastPageAvailable() {
072        return pageProvider.isLastPageAvailable();
073    }
074
075    @Override
076    public boolean isPreviousPageAvailable() {
077        return pageProvider.isPreviousPageAvailable();
078    }
079
080    @Override
081    public long getCurrentPageSize() {
082        return pageProvider.getCurrentPageSize();
083    }
084
085    @Override
086    public long getCurrentPageIndex() {
087        return pageProvider.getCurrentPageIndex();
088    }
089
090    @Override
091    public boolean isSortable() {
092        return pageProvider.isSortable();
093    }
094
095    @Override
096    public boolean hasError() {
097        return pageProvider.hasError();
098    }
099
100    @Override
101    public String getErrorMessage() {
102        return pageProvider.getErrorMessage();
103    }
104
105    @Override
106    public Map<String, Aggregate<? extends Bucket>> getAggregates() {
107        return pageProvider.getAggregates();
108    }
109
110    @Override
111    public boolean hasAggregateSupport() {
112        return pageProvider.hasAggregateSupport();
113    }
114}