org.gcube.dataanalysis.ecoengine.utils

Class DatabaseUtils

java.lang.Object

org.gcube.dataanalysis.ecoengine.utils.DatabaseUtils

public class DatabaseUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
List<Object>	columns

Constructor Summary

Constructors

Constructor and Description
DatabaseUtils(org.hibernate.SessionFactory referencedbConnection)

Method Summary

Methods

Modifier and Type	Method and Description
static String	addColumnStatement(String tableToUpdate, String columnName, String columnKey)
String	buildCreateStatement(String originaltable, String destinationTable)
static void	closeDBConnection(org.hibernate.SessionFactory dbHibConnection)
static String	copyFileFromTableStatement(String file, String table, String delimiter, boolean withheader)
static String	copyFileToTableStatement(String file, String table)
static String	countElementsStatement(String table)
static void	createBigTable(boolean createTable, String table, String dbdriver, String dbuser, String dbpassword, String dburl, String creationStatement, org.hibernate.SessionFactory dbHibConnection)
static String	createBlankTableFromAnotherStatement(String tableFrom, String tableTo)
static void	createLocalFileFromRemoteTable(String filePath, String tablename, String delimiter, String username, String password, String databaseurl)
static void	createRemoteTableFromFile(String filePath, String tablename, String delimiter, boolean hasHeader, String username, String password, String databaseurl)
static String	createUpdateStatement(String tableToUpdate, String fieldToUpdate, String tableFromUpdate, String columnFromUpdate, String tableToUpKey, String tableFromUpKey)
static String	deleteFromBuffer(String table, StringBuffer couples)
static String	dropTableStatement(String table)
static String	duplicateTableStatement(String tableFrom, String tableTo)
static long	estimateNumberofRows(String table, org.hibernate.SessionFactory dbconnection)
List<Object>	getColumnDecriptions()
String	getColumnName(int index)
static String	getColumnsElementsStatement(String table, String columns, String filter)
static String	getColumnsNamesStatement(String table)
String	getColumnType(int index)
static String	getDinstictElements(String table, String columns, String filter)
static String	getOrderedElements(String table, String key, String column)
String	getPrimaryKey()
static org.hibernate.SessionFactory	initDBSession(AlgorithmConfiguration config)
static void	insertChunksIntoTable(String table, String columnsNames, List<String[]> values, int chunkSize, org.hibernate.SessionFactory dbconnection)
static void	insertChunksIntoTable(String table, String columnsNames, List<String[]> values, int chunkSize, org.hibernate.SessionFactory dbconnection, boolean correctApos)
static String	insertFromBuffer(String table, String columnsNames, StringBuffer values)
static String	insertFromString(String table, String columnsNames, String values)
static String	insertIntoColumn(String table, String keyColumnName, String valueColumnName, List<Object> couplesColumnAndKeys)
static String	sumElementsStatement(String table, String column)
static String	update(String table, String valueColumnName, String value, String keyColumnName, String key)
static String	updateColumn(String table, String keyColumnName, String valueColumnName, List<Object> couplesColumnAndKeys)
static String	updateTableColumnFromOther(String tableName, String fieldToUpdate, String otherTable, String otherColumn, String keyColumn, String otherKeyColumn)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

columns

public List<Object> columns

Constructor Detail

DatabaseUtils

public DatabaseUtils(org.hibernate.SessionFactory referencedbConnection)

Method Detail

createUpdateStatement

public static String createUpdateStatement(String tableToUpdate,
                           String fieldToUpdate,
                           String tableFromUpdate,
                           String columnFromUpdate,
                           String tableToUpKey,
                           String tableFromUpKey)

addColumnStatement

public static String addColumnStatement(String tableToUpdate,
                        String columnName,
                        String columnKey)

estimateNumberofRows

public static long estimateNumberofRows(String table,
                        org.hibernate.SessionFactory dbconnection)
                                 throws Exception

Throws:

Exception

getPrimaryKey

public String getPrimaryKey()

getColumnDecriptions

public List<Object> getColumnDecriptions()

getColumnName

public String getColumnName(int index)

getColumnType

public String getColumnType(int index)

duplicateTableStatement

public static String duplicateTableStatement(String tableFrom,
                             String tableTo)

createBlankTableFromAnotherStatement

public static String createBlankTableFromAnotherStatement(String tableFrom,
                                          String tableTo)

dropTableStatement

public static String dropTableStatement(String table)

getDinstictElements

public static String getDinstictElements(String table,
                         String columns,
                         String filter)

getOrderedElements

public static String getOrderedElements(String table,
                        String key,
                        String column)

sumElementsStatement

public static String sumElementsStatement(String table,
                          String column)

getColumnsElementsStatement

public static String getColumnsElementsStatement(String table,
                                 String columns,
                                 String filter)

countElementsStatement

public static String countElementsStatement(String table)

update

public static String update(String table,
            String valueColumnName,
            String value,
            String keyColumnName,
            String key)

insertIntoColumn

public static String insertIntoColumn(String table,
                      String keyColumnName,
                      String valueColumnName,
                      List<Object> couplesColumnAndKeys)

insertFromBuffer

public static String insertFromBuffer(String table,
                      String columnsNames,
                      StringBuffer values)

insertChunksIntoTable

public static void insertChunksIntoTable(String table,
                         String columnsNames,
                         List<String[]> values,
                         int chunkSize,
                         org.hibernate.SessionFactory dbconnection)
                                  throws Exception

Throws:

Exception

insertChunksIntoTable

public static void insertChunksIntoTable(String table,
                         String columnsNames,
                         List<String[]> values,
                         int chunkSize,
                         org.hibernate.SessionFactory dbconnection,
                         boolean correctApos)
                                  throws Exception

Throws:

Exception

insertFromString

public static String insertFromString(String table,
                      String columnsNames,
                      String values)

deleteFromBuffer

public static String deleteFromBuffer(String table,
                      StringBuffer couples)

copyFileToTableStatement

public static String copyFileToTableStatement(String file,
                              String table)

copyFileFromTableStatement

public static String copyFileFromTableStatement(String file,
                                String table,
                                String delimiter,
                                boolean withheader)

updateTableColumnFromOther

public static String updateTableColumnFromOther(String tableName,
                                String fieldToUpdate,
                                String otherTable,
                                String otherColumn,
                                String keyColumn,
                                String otherKeyColumn)

updateColumn

public static String updateColumn(String table,
                  String keyColumnName,
                  String valueColumnName,
                  List<Object> couplesColumnAndKeys)

buildCreateStatement

public String buildCreateStatement(String originaltable,
                          String destinationTable)

getColumnsNamesStatement

public static String getColumnsNamesStatement(String table)

createBigTable

public static void createBigTable(boolean createTable,
                  String table,
                  String dbdriver,
                  String dbuser,
                  String dbpassword,
                  String dburl,
                  String creationStatement,
                  org.hibernate.SessionFactory dbHibConnection)
                           throws Exception

Throws:

Exception

createRemoteTableFromFile

public static void createRemoteTableFromFile(String filePath,
                             String tablename,
                             String delimiter,
                             boolean hasHeader,
                             String username,
                             String password,
                             String databaseurl)
                                      throws Exception

Throws:

Exception

createLocalFileFromRemoteTable

public static void createLocalFileFromRemoteTable(String filePath,
                                  String tablename,
                                  String delimiter,
                                  String username,
                                  String password,
                                  String databaseurl)
                                           throws Exception

Throws:

Exception

initDBSession

public static org.hibernate.SessionFactory initDBSession(AlgorithmConfiguration config)

closeDBConnection

public static void closeDBConnection(org.hibernate.SessionFactory dbHibConnection)