/**
 * Copyright (c) 2012, The National Archives <pronom@nationalarchives.gsi.gov.uk>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following
 * conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 *  * Neither the name of the The National Archives nor the
 *    names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package uk.gov.nationalarchives.droid.report.interfaces;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;

/**
 * @author rflitcroft
 *
 */
public class ReportItem implements Aggregator {

    @XmlElement(name = "Specification")
    private ReportSpecItem reportSpecItem;
    
    @XmlElementWrapper(name = "Groups")
    @XmlElement(name = "Group")
    private List<GroupedFieldItem> groupFields = new ArrayList<GroupedFieldItem>();
    
    @XmlElement(name = "ReportItemAggregateSummary")
    private ReportData aggregateSummary = new ReportData();
    
    private Set<ReportData> aggregatedData = new HashSet<ReportData>();
    
    
    /**
     * @param reportSpecItem the reportSpec to set
     */
    public void setReportSpecItem(ReportSpecItem reportSpecItem) {
        this.reportSpecItem = reportSpecItem;
    }
    
    /**
     * Adds a grouped field item.
     * @param groupedFieldItem the grouped field item to add
     */
    public void addGroupedFieldItem(GroupedFieldItem groupedFieldItem) {
        groupFields.add(groupedFieldItem);
        groupedFieldItem.addAggregator(this);
    }
    
    /**
     * {@inheritDoc}
     */
    @Override
    public void aggregate(ReportData reportData) {
        if (aggregatedData.add(reportData)) {
            aggregateSummary.addData(reportData);
        }
    }
    
}
