source: vlo/branches/vlo-3.0/vlo-web-app/src/main/java/eu/clarin/cmdi/vlo/service/impl/FacetFieldsDataProvider.java @ 4519

/*
 * Copyright (C) 2014 CLARIN
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.clarin.cmdi.vlo.service.impl;

import eu.clarin.cmdi.vlo.pojo.QueryFacetsSelection;
import eu.clarin.cmdi.vlo.service.FacetFieldsService;
import java.util.Iterator;
import java.util.List;
import org.apache.solr.client.solrj.response.FacetField;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

/**
 *
 * @author twagoo
 */
public class FacetFieldsDataProvider implements IDataProvider<FacetField> {

    private final FacetFieldsService facetFieldService;
    private final IModel<QueryFacetsSelection> selectionModel;

    public FacetFieldsDataProvider(FacetFieldsService facetFieldService, IModel<QueryFacetsSelection> selectionModel) {
        this.facetFieldService = facetFieldService;
        this.selectionModel = selectionModel;
    }

    @Override
    public Iterator<? extends FacetField> iterator(long first, long count) {
        List<FacetField> facets = facetFieldService.getFacetFields(selectionModel.getObject());
        return facets.listIterator((int) first);
    }

    @Override
    public long size() {
        return facetFieldService.getFacetFieldCount();
    }

    @Override
    public IModel<FacetField> model(FacetField object) {
        return Model.of(object);
    }

    @Override
    public void detach() {
    }

}