Package hu.icellmobilsoft.roaster.oracle.service

Class OracleJDBCSelectorService

java.lang.Object

hu.icellmobilsoft.roaster.oracle.service.OracleJDBCSelectorService

@Dependent
public class OracleJDBCSelectorService
extends Object

Class representing Oracle JDBC functionality

Author:

balazs.joo

Constructor Summary

Constructors

Constructor	Description
OracleJDBCSelectorService()

Method Summary

Modifier and Type	Method	Description
protected JDBCConnection	getJdbcConnection()
<T> List<T>	selectAllObjects(String sql, hu.icellmobilsoft.coffee.tool.common.FunctionalInterfaces.BaseExceptionFunction<ResultSet,T> converter)	Run sql select command, and return list of desired result objects, converted by given converter
BigDecimal	selectFirstBigDecimalValue(String sql, String columnName)	Run sql select command, and return given column BigDecimal value
Boolean	selectFirstBooleanValue(String sql, String columnName)	Run sql select command, and return given column Boolean value
Date	selectFirstDateValue(String sql, String columnName)	Run sql select command, and return given column Date value
Integer	selectFirstIntegerValue(String sql, String columnName)	Run sql select command, and return given column Integer value
<T> T	selectFirstObject(String sql, hu.icellmobilsoft.coffee.tool.common.FunctionalInterfaces.BaseExceptionFunction<ResultSet,T> converter)	Run sql select command, and return desired result object, converted by given converter
String	selectFirstStringValue(String sql, String columnName)	Run sql select command, and return given column String value
Integer	selectRowCount(String sql)	Run sql select command, and return row count
void	setJdbcConnection(JDBCConnection jdbcConnection)

Methods inherited from class java.lang.Object

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

Constructor Detail

OracleJDBCSelectorService

public OracleJDBCSelectorService()

Method Detail

selectFirstStringValue

public String selectFirstStringValue(String sql,
                                     String columnName)
                              throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return given column String value

Parameters:

sql - sql command

columnName - column name

Returns:

column String value

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectFirstIntegerValue

public Integer selectFirstIntegerValue(String sql,
                                       String columnName)
                                throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return given column Integer value

Parameters:

sql - sql command

columnName - column name

Returns:

column Integer value

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectFirstBooleanValue

public Boolean selectFirstBooleanValue(String sql,
                                       String columnName)
                                throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return given column Boolean value

Parameters:

sql - sql command

columnName - column name

Returns:

column Boolean value

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectFirstBigDecimalValue

public BigDecimal selectFirstBigDecimalValue(String sql,
                                             String columnName)
                                      throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return given column BigDecimal value

Parameters:

sql - sql command

columnName - column name

Returns:

column BigDecimal value

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectFirstDateValue

public Date selectFirstDateValue(String sql,
                                 String columnName)
                          throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return given column Date value

Parameters:

sql - sql command

columnName - column name

Returns:

column Date value

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectRowCount

public Integer selectRowCount(String sql)
                       throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return row count

Parameters:

sql - sql command

Returns:

row count

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectFirstObject

public <T> T selectFirstObject(String sql,
                               hu.icellmobilsoft.coffee.tool.common.FunctionalInterfaces.BaseExceptionFunction<ResultSet,T> converter)
                        throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return desired result object, converted by given converter

Example for converter: private T convert(ResultSet rs) { try { T t = new T(); t.setId(rs.getString("X__ID")); t.setName(rs.getString("NAME")); return t; } catch (SQLException e) { return null; } }

Type Parameters:

T - type of return object

Parameters:

sql - sql command

converter - converter for desired result object

Returns:

converted object

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

selectAllObjects

public <T> List<T> selectAllObjects(String sql,
                                    hu.icellmobilsoft.coffee.tool.common.FunctionalInterfaces.BaseExceptionFunction<ResultSet,T> converter)
                             throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Run sql select command, and return list of desired result objects, converted by given converter

Example for converter: private T convert(ResultSet rs) { try { T t = new T(); t.setId(rs.getString("X__ID")); t.setName(rs.getString("NAME")); return t; } catch (SQLException e) { return null; } }

Type Parameters:

T - type of return objects

Parameters:

sql - sql command

converter - converter for desired result objects

Returns:

list of converted objects

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - exception

getJdbcConnection

protected JDBCConnection getJdbcConnection()

setJdbcConnection

public void setJdbcConnection(JDBCConnection jdbcConnection)