352 lines
12 KiB
Java
352 lines
12 KiB
Java
/**
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*
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*/
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package org.gcube.accounting.analytics.persistence.postgresql;
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import java.io.Serializable;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.Statement;
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import java.time.OffsetDateTime;
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import java.util.Calendar;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.SortedMap;
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import java.util.SortedSet;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import org.gcube.accounting.analytics.Filter;
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import org.gcube.accounting.analytics.Info;
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import org.gcube.accounting.analytics.NumberedFilter;
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import org.gcube.accounting.analytics.TemporalConstraint;
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import org.gcube.accounting.analytics.UsageValue;
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import org.gcube.accounting.analytics.exception.DuplicatedKeyFilterException;
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import org.gcube.accounting.analytics.exception.KeyException;
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import org.gcube.accounting.analytics.exception.ValueException;
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import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery;
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import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQueryConfiguration;
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import org.gcube.accounting.analytics.persistence.AccountingPersistenceQuery;
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import org.gcube.accounting.datamodel.aggregation.AggregatedServiceUsageRecord;
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import org.gcube.accounting.datamodel.aggregation.AggregatedStorageStatusRecord;
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import org.gcube.accounting.datamodel.usagerecords.ServiceUsageRecord;
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import org.gcube.accounting.persistence.AccountingPersistenceConfiguration;
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import org.gcube.accounting.utility.postgresql.RecordToDBConnection;
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import org.gcube.accounting.utility.postgresql.RecordToDBFields;
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import org.gcube.accounting.utility.postgresql.RecordToDBMapping;
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import org.gcube.documentstore.records.AggregatedRecord;
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import org.gcube.documentstore.records.Record;
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import org.gcube.documentstore.records.RecordUtility;
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import org.json.JSONObject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* @author Luca Frosini (ISTI - CNR)
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*/
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public class AccountingPersistenceQueryPostgreSQL implements AccountingPersistenceBackendQuery {
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protected static final Logger logger = LoggerFactory.getLogger(AccountingPersistenceQueryPostgreSQL.class);
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public static final String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss.SSS Z";
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public static final String URL_PROPERTY_KEY = AccountingPersistenceConfiguration.URL_PROPERTY_KEY;
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// private String baseURL;
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protected AccountingPersistenceBackendQueryConfiguration configuration;
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static {
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// One Record per package is enough
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RecordUtility.addRecordPackage(ServiceUsageRecord.class.getPackage());
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RecordUtility.addRecordPackage(AggregatedServiceUsageRecord.class.getPackage());
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}
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protected Connection getConnection(Class<? extends AggregatedRecord<?, ?>> clz) throws Exception {
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RecordToDBConnection recordDBInfo = RecordToDBMapping.getRecordDBInfo(clz);
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if(recordDBInfo == null) {
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RecordToDBMapping.addRecordToDB(clz, configuration);
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recordDBInfo = RecordToDBMapping.getRecordDBInfo(clz);
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}
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return recordDBInfo.getConnection();
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}
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@Override
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public void prepareConnection(AccountingPersistenceBackendQueryConfiguration configuration) throws Exception {
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this.configuration = configuration;
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Map<String, Class<? extends AggregatedRecord<?,?>>> aggregatedRecords = RecordUtility.getAggregatedRecordClassesFound();
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for(String typeName : aggregatedRecords.keySet()) {
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try {
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Class<? extends AggregatedRecord<?,?>> clz = aggregatedRecords.get(typeName);
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RecordToDBMapping.addRecordToDB(clz, configuration);
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} catch (Exception e) {
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new RuntimeException(e);
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}
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}
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}
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protected SortedMap<Calendar, Info> getTimeSeries(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters, Set<String> contexts)
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throws Exception {
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Connection connection = getConnection(clz);
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try {
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Statement statement = connection.createStatement();
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SortedMap<Calendar, Info> result = new TreeMap<>();
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Query query = new Query(clz);
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query.setTemporalConstraint(temporalConstraint);
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query.setFilters(filters);
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query.setContexts(contexts);
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String sql = query.getTimeSeriesQuery();
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List<String> requestedTableField = query.getRequestedTableField();
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RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
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ResultSet resultSet = statement.executeQuery(sql);
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while (resultSet.next()) {
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OffsetDateTime offsetDateTime = resultSet.getObject(Query.DATE_OF_TIMESERIES_AS_FIELD, OffsetDateTime.class);
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Calendar calendar = getCalendar(offsetDateTime);
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JSONObject jsonObject = new JSONObject();
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for(String tableField : requestedTableField) {
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String usageRecordField = recordToDBMapper.getRecordField(tableField);
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Object object = resultSet.getObject(tableField);
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jsonObject.put(usageRecordField, object);
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}
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Info info = new Info(calendar, jsonObject);
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result.put(calendar, info);
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}
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return result;
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}finally {
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connection.close();
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}
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}
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@Override
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public SortedMap<Calendar, Info> getTimeSeries(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters)
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throws DuplicatedKeyFilterException, KeyException, ValueException, Exception {
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String context = AccountingPersistenceBackendQuery.getScopeToQuery();
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Set<String> contexts = new HashSet<>();
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contexts.add(context);
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return getTimeSeries(clz, temporalConstraint, filters, contexts);
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}
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protected Calendar getCalendar(OffsetDateTime offsetDateTime) {
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Calendar calendar = Calendar.getInstance();
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long epochMillis = offsetDateTime.toInstant().toEpochMilli();
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calendar.setTimeInMillis(epochMillis);
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return calendar;
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}
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@Override
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public SortedMap<Calendar, Info> getNoContextTimeSeries(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters)
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throws DuplicatedKeyFilterException, KeyException, ValueException, Exception {
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return getTimeSeries(clz, temporalConstraint, filters, null);
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}
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@Override
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public SortedMap<Filter, SortedMap<Calendar, Info>> getContextTimeSeries(
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Class<? extends AggregatedRecord<?, ?>> clz, TemporalConstraint temporalConstraint, List<Filter> filters,
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List<String> contexts) throws Exception {
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SortedMap<Filter,SortedMap<Calendar,Info>> ret = new TreeMap<>();
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for(String context : contexts) {
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Filter contextFilter = new Filter("context", context);
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Set<String> timeSeriesContexts = new HashSet<>();
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timeSeriesContexts.add(context);
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SortedMap<Calendar, Info> timeSeries = getTimeSeries(clz, temporalConstraint, filters, timeSeriesContexts);
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if(!timeSeries.isEmpty()) {
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ret.put(contextFilter, timeSeries);
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}
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}
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return ret;
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}
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protected SortedSet<NumberedFilter> getNumberedValues(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters, String key,
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String orderingProperty, Integer limit) throws Exception {
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Connection connection = getConnection(clz);
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try {
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Statement statement = connection.createStatement();
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if(orderingProperty == null) {
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orderingProperty = AccountingPersistenceQuery.getDefaultOrderingProperties(clz);
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}
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if(limit == null) {
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limit = 50;
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}
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SortedSet<NumberedFilter> result = new TreeSet<>();
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String context = AccountingPersistenceBackendQuery.getScopeToQuery();
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Set<String> contexts = new HashSet<>();
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contexts.add(context);
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Query query = new Query(clz);
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query.setTemporalConstraint(temporalConstraint);
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query.setFilters(filters);
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query.setContexts(contexts);
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query.setTableFieldToRequest(key);
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query.setOrderByField(orderingProperty);
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query.setLimit(limit);
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String sql = query.getNextPossibleValueQuery();
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// List<String> requestedTableField = query.getRequestedTableField();
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RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
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ResultSet resultSet = statement.executeQuery(sql);
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while (resultSet.next()) {
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String tableFieldKey = recordToDBMapper.getTableField(key);
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Object value = resultSet.getObject(tableFieldKey);
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Object numberObject = resultSet.getObject(orderingProperty);
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NumberedFilter numberedFilter = new NumberedFilter(key, value.toString(), (Number) numberObject, orderingProperty);
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result.add(numberedFilter);
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}
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return result;
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}finally {
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connection.close();
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}
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}
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@Override
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public SortedSet<NumberedFilter> getFilterValues(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters, String key) throws Exception {
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return getNumberedValues(clz, temporalConstraint, filters, key, null, null);
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}
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@Override
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public SortedSet<NumberedFilter> getFilterValues(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters, String key, Integer limit) throws Exception {
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return getNumberedValues(clz, temporalConstraint, filters, key, null, limit);
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}
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@Override
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public SortedMap<NumberedFilter, SortedMap<Calendar, Info>> getTopValues(
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Class<? extends AggregatedRecord<?, ?>> clz, TemporalConstraint temporalConstraint, List<Filter> filters,
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String topKey, String orderingProperty)
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throws DuplicatedKeyFilterException, KeyException, ValueException, Exception {
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String context = AccountingPersistenceBackendQuery.getScopeToQuery();
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Set<String> contexts = new HashSet<>();
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contexts.add(context);
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SortedMap<NumberedFilter,SortedMap<Calendar,Info>> ret = new TreeMap<>();
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SortedSet<NumberedFilter> top = getNumberedValues(clz, temporalConstraint, filters, topKey, orderingProperty, 10);
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for(NumberedFilter numberedFilter : top) {
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filters.add(numberedFilter);
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SortedMap<Calendar,Info> map = getTimeSeries(clz, temporalConstraint, filters, contexts);
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ret.put(numberedFilter, map);
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filters.remove(numberedFilter);
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}
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return ret;
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}
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@Override
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public Record getRecord(String recordId, String type) throws Exception {
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Class<? extends AggregatedRecord<?, ?>> aggregatedRecordClass = RecordUtility.getAggregatedRecordClass(type);
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Connection connection = getConnection(aggregatedRecordClass);
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try {
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Statement statement = connection.createStatement();
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Query query = new Query(aggregatedRecordClass);
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query.setRecordId("fa573711-ceb6-44ba-9c83-bd47e0915b80");
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String sql = query.getRecordQuery();
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RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
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ResultSet resultSet = statement.executeQuery(sql);
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resultSet.next();
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AggregatedRecord<?, ?> instance = aggregatedRecordClass.newInstance();
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Set<String> requiredFields = instance.getRequiredFields();
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for(String recordField : requiredFields) {
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String tableField = recordToDBMapper.getTableField(recordField);
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Serializable serializable;
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switch (recordField) {
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case AggregatedRecord.START_TIME: case AggregatedRecord.END_TIME: case AggregatedRecord.CREATION_TIME:
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OffsetDateTime offsetDateTime = resultSet.getObject(tableField, OffsetDateTime.class);
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Calendar calendar = getCalendar(offsetDateTime);
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serializable = calendar.getTimeInMillis();
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break;
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default:
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serializable = resultSet.getObject(tableField).toString();
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break;
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}
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instance.setResourceProperty(recordField, serializable);
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}
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return instance;
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}finally {
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connection.close();
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}
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}
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@Override
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public SortedSet<String> getSpaceProvidersIds() throws Exception {
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Class<? extends AggregatedRecord<?, ?>> aggregatedRecordClass = AggregatedStorageStatusRecord.class;
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Connection connection = getConnection(aggregatedRecordClass);
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try {
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Statement statement = connection.createStatement();
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Query query = new Query(aggregatedRecordClass);
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query.setTableFieldToRequest(AggregatedStorageStatusRecord.PROVIDER_ID);
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String sql = query.getDinstinctValuesQuery();
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SortedSet<String> providersIds = new TreeSet<>();
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ResultSet resultSet = statement.executeQuery(sql);
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while (resultSet.next()) {
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String id = resultSet.getString(1);
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providersIds.add(id);
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}
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return providersIds;
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}finally {
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connection.close();
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}
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}
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@Override
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public List<UsageValue> getUsageValueQuotaTotal(List<UsageValue> listUsage) throws Exception {
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return null;
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}
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@Override
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public SortedMap<Filter, SortedMap<Calendar, Long>> getSpaceTimeSeries(Class<? extends AggregatedRecord<?, ?>> clz,
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TemporalConstraint temporalConstraint, List<Filter> filters, List<String> providersId) throws Exception {
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return null;
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}
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@Override
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public void close() throws Exception {
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// OK
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}
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@Override
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public boolean isConnectionActive() throws Exception {
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return true;
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}
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}
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