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package eu.etaxonomy.cdm.api.service;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import eu.etaxonomy.cdm.api.service.statistics.Statistics;
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import eu.etaxonomy.cdm.api.service.statistics.StatisticsConfigurator;
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import eu.etaxonomy.cdm.api.service.statistics.StatisticsTypeEnum;
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import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.name.TaxonName;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.persistence.dao.description.IDescriptionDao;
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import eu.etaxonomy.cdm.persistence.dao.name.ITaxonNameDao;
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import eu.etaxonomy.cdm.persistence.dao.reference.IReferenceDao;
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import eu.etaxonomy.cdm.persistence.dao.statistics.IStatisticsDao;
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import eu.etaxonomy.cdm.persistence.dao.taxon.IClassificationDao;
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import eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonDao;
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/**
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*
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* @author s.buers Service to provide statistic data of the database elements
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*/
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@Service
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@Transactional
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public class StatisticsServiceImpl implements IStatisticsService {
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private static final Logger logger = Logger
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.getLogger(StatisticsServiceImpl.class);
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// this does not make sense, we just count nothing if no type is given.
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// the one who calls this service should check that there are types given!
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// private static final StatisticsTypeEnum DEFAULT_TYPE=StatisticsTypeEnum.ALL_TAXA;
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//TODO create a list with all types.
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// this constant can also be used by the ones that use the service
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private static final IdentifiableEntity<?> ALL_DB = null;
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@Override
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@Transactional
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public IdentifiableEntity<?> getFilterALL_DB(){
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return ALL_DB;
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}
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private ArrayList<Statistics> statisticsList;
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@Autowired
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private ITaxonDao taxonDao;
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@Autowired
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private ITaxonNameDao taxonNameDao;
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@Autowired
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private IClassificationDao classificationDao;
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@Autowired
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private IReferenceDao referenceDao;
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@Autowired
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private IStatisticsDao statisticsDao;
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@Autowired
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private IDescriptionDao descriptionDao;
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/**
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* counts all the elements referenced in the configurator from the part of
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* the database referenced in the configurator
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*
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* @param configurators
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* @return be aware that a Statistics.countMap might contain "null"
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* {@link Number} values, if the count failed (, if the value is "0"
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* the count succeeded in counting zero elements.)
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*/
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@Override
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@Transactional
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public List<Statistics> getCountStatistics(
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List<StatisticsConfigurator> configurators) {
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statisticsList = new ArrayList<>();
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for (StatisticsConfigurator statisticsConfigurator : configurators) {
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// create a Statistics element for each configurator
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countStatisticsPart(statisticsConfigurator);
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}
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return this.statisticsList;
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}
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@Transactional
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private void countStatisticsPart(StatisticsConfigurator configurator) {
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// get last element of configurator.filter (the node that is the root
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// for the count):
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IdentifiableEntity<?> filter = configurator.getFilter().get(
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(configurator.getFilter().size()) - 1);
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if (filter == getFilterALL_DB()) {
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countAll(configurator);
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} else { // check for classtype classification
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countPart(configurator, filter);
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}
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}
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private void countAll(StatisticsConfigurator configurator) {
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Statistics statistics = new Statistics(configurator);
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for (StatisticsTypeEnum type : configurator.getType()) {
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Long counter = null;
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switch (type) {
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case ALL_TAXA:
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counter = taxonDao.count(TaxonBase.class);
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break;
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case SYNONYMS:
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counter = taxonDao.count(Synonym.class);
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break;
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case ACCEPTED_TAXA:
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counter = taxonDao.count(Taxon.class);
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break;
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case ALL_REFERENCES:
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counter = referenceDao.count(eu.etaxonomy.cdm.model.reference.Reference.class);
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counter -=statisticsDao.countNomenclaturalReferences();
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break;
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case NOMENCLATURAL_REFERENCES:
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counter = statisticsDao.countNomenclaturalReferences();
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break;
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case CLASSIFICATION:
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counter = classificationDao.count(Classification.class);
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break;
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case TAXON_NAMES:
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counter = taxonNameDao.count(TaxonName.class);
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break;
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case DESCRIPTIVE_SOURCE_REFERENCES:
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counter = statisticsDao.countDescriptiveSourceReferences();
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break;
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case DESCRIPTIONS:
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counter = descriptionDao.count(DescriptionBase.class);
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break;
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}
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statistics.addCount(type, counter);
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}
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statisticsList.add(statistics);
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}
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@Transactional
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private void countPart(StatisticsConfigurator configurator,
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IdentifiableEntity filter) {
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// TODO maybe remove redundant parameter filter
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Statistics statistics = new Statistics(configurator);
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Long counter = null;
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if (filter instanceof Classification) {
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for (StatisticsTypeEnum type : configurator.getType()) {
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switch (type) {
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case CLASSIFICATION:
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logger.info("there should not be any classification "
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+ "nested in an other classification");
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// so we set counter to 1, as a classification itself is one classification
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counter = new Long(1);
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break;
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case ACCEPTED_TAXA:
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counter = statisticsDao.countTaxaInClassification(
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Taxon.class, (Classification) filter);
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break;
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case ALL_TAXA:
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counter = statisticsDao.countTaxaInClassification(
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TaxonBase.class, (Classification) filter);
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break;
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case SYNONYMS:
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counter = statisticsDao.countTaxaInClassification(
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Synonym.class, (Classification) filter);
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break;
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case TAXON_NAMES:
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counter = statisticsDao
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.countTaxonNames((Classification) filter);
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break;
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case ALL_REFERENCES:
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// counter = statisticsDao.countReferencesInClassification((Classification) filter);
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counter = statisticsDao.countReferencesInClassificationWithUuids((Classification) filter);
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counter+=statisticsDao
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.countDescriptive(true, (Classification) filter);
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break;
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case DESCRIPTIVE_SOURCE_REFERENCES:
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counter = statisticsDao
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.countDescriptive(true, (Classification) filter);
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break;
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case DESCRIPTIONS:
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counter = statisticsDao
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.countDescriptive(false, (Classification) filter);
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break;
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case NOMENCLATURAL_REFERENCES:
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counter = statisticsDao
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.countNomenclaturalReferences((Classification) filter);
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break;
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}
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statistics.addCount(type, counter);
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}
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} else if(filter instanceof Taxon) {
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//TODO get all taxa of the tree:
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do{
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filter.getUuid();
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statisticsDao.getTaxonTree(filter);
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}while(true);
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}else {
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// we just return null as count for the statistics
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// element, if the filter is neither classification nor null.
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}
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statisticsList.add(statistics);
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}
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}
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