Implemented persistence

src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java

@@ -3,6 +3,7 @@
  */
 package org.gcube.accounting.analytics.persistence.postgresql;
 
+import java.io.Serializable;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.Statement;
@@ -263,7 +264,46 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 
 	@Override
 	public Record getRecord(String recordId, String type) throws Exception {
-		return null;
+		Class<? extends AggregatedRecord<?, ?>> aggregatedRecordClass = RecordUtility.getAggregatedRecordClass(type);
+		Connection connection = getConnection(aggregatedRecordClass);
+		try {
+			Statement statement = connection.createStatement();
+			
+			Query query = new Query(aggregatedRecordClass);
+			query.setRecordId("fa573711-ceb6-44ba-9c83-bd47e0915b80");
+			String sql = query.getRecordQuery();
+			
+			RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
+			
+			ResultSet resultSet = statement.executeQuery(sql);
+			resultSet.next();
+			
+			AggregatedRecord<?, ?> instance = aggregatedRecordClass.newInstance();
+			Set<String> requiredFields = instance.getRequiredFields();
+			
+			for(String recordField : requiredFields) {
+				String tableField = recordToDBMapper.getTableField(recordField);
+				Serializable serializable;
+				switch (recordField) {
+					case AggregatedRecord.START_TIME: case AggregatedRecord.END_TIME: case AggregatedRecord.CREATION_TIME:
+						OffsetDateTime offsetDateTime = resultSet.getObject(tableField, OffsetDateTime.class);
+						Calendar calendar = getCalendar(offsetDateTime);
+						serializable = calendar.getTimeInMillis();
+						break;
+						
+					default:
+						serializable = resultSet.getObject(tableField).toString();
+						break;
+				}
+				instance.setResourceProperty(recordField, serializable);
+			}
+			
+			return instance;
+			
+		}finally {
+			connection.close();
+		}	
+		
 	}
 
 	@Override

src/main/java/org/gcube/accounting/analytics/persistence/postgresql/Query.java

@@ -34,7 +34,8 @@ public class Query extends PostgreSQLQuery {
 	private String fieldOfRequesteValues;
 	private String orderByField;
 	private Integer limit;
-
+	
+	private String recordId;
 	
 	public Query(Class<? extends AggregatedRecord<?, ?>> clz) throws Exception {
 		this.clz = clz;
@@ -76,7 +77,11 @@ public class Query extends PostgreSQLQuery {
 		contexts.add(context);
 	}
 	
-
+	public void setRecordId(String recordId) {
+		this.recordId = recordId;
+	}
+	
+	
 	public RecordToDBFields getRecordToDBMapper() {
 		return recordToDBFields;
 	}
@@ -300,4 +305,15 @@ public class Query extends PostgreSQLQuery {
 		return stringBuffer.toString();
 	}
 	
+	public String getRecordQuery(){
+		newQuery();
+		stringBuffer.append("* ");
+		stringBuffer.append(" FROM ");
+		stringBuffer.append(recordToDBFields.getTableName());
+		stringBuffer.append(" WHERE ");
+		stringBuffer.append(" id=");
+		appendString(recordId);
+		return stringBuffer.toString();
+	}
+	
 }

src/test/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQLTest.java

@@ -21,6 +21,8 @@ import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQu
 import org.gcube.accounting.analytics.persistence.AccountingPersistenceQuery;
 import org.gcube.accounting.datamodel.UsageRecord;
 import org.gcube.accounting.datamodel.aggregation.AggregatedServiceUsageRecord;
+import org.gcube.accounting.utility.postgresql.RecordToDBMapping;
+import org.gcube.documentstore.records.Record;
 import org.junit.Before;
 import org.junit.Test;
 import org.slf4j.Logger;
@@ -204,8 +206,13 @@ public class AccountingPersistenceQueryPostgreSQLTest extends ContextTest {
 				Info info = timeseries.get(c);
 				logger.debug("{}", info);
 			}
-		}
-		
-		
+		}		
+	}
+	
+	@Test
+	public void testGetRecord() throws Exception {
+		String type = RecordToDBMapping.getRecordTypeByClass(AggregatedServiceUsageRecord.class);
+		Record record = accountingPersistenceQueryPostgreSQL.getRecord("fa573711-ceb6-44ba-9c83-bd47e0915b80", type);
+		logger.debug("{}", record);
 	}
 }

src/test/java/org/gcube/accounting/analytics/persistence/postgresql/QueryTest.java

@@ -85,7 +85,15 @@ public class QueryTest extends ContextTest {
 		query.setOrderByField(AccountingPersistenceQuery.getDefaultOrderingProperties(AggregatedServiceUsageRecord.class));
 		ret = query.getNextPossibleValueQuery();
 		logger.debug(ret);
-		
+	}
+	
+	
+	@Test
+	public void testGetRecordQuery() throws Exception {
+		Query query = new Query(AggregatedServiceUsageRecord.class);
+		query.setRecordId("fa573711-ceb6-44ba-9c83-bd47e0915b80");
+		String ret = query.getRecordQuery();
+		logger.debug(ret);
 	}
 
 }