com.github.quintans.ezSQL

Class AbstractDb

java.lang.Object

com.github.quintans.ezSQL.AbstractDb

Direct Known Subclasses:

Db

public abstract class AbstractDb
extends Object

Constructor Summary

Constructors

Constructor and Description
AbstractDb()

Method Summary

Modifier and Type	Method and Description
protected abstract Connection	connection() Obtem a ligação a usar para executar o SQL Implementações deste método podem ser a simples devolução de uma Connection previamente definida, ou obtenção de uma Connection definida na Thread por frameworks transacionais
Delete	delete(Table table)
Long	fetchAutoNumber(Column<? extends Number> column, boolean after)
Long	fetchAutoNumberBefore(Column<? extends Number> column)
Long	fetchCurrentAutoNumberAfter(Column<? extends Number> column)
Connection	getConnection()
Driver	getDriver()
JdbcSession	getJdbcSession()
Insert	insert(Table table)
<T> T	loadAssociation(Object bean, Association association) gets the value at the end of the association from the database, puts in the input bean and returns the value.
Query	query(Query query)
Query	query(Table table) selct over a table. If no columns are added, when executing a select or list all columns of the driving table will be added.
void	setDriver(Driver driver)
Object	transformParameter(Object parameter)
Map<String,Object>	transformParameters(Map<String,Object> parameters)
Object[]	transformParameters(Object... parameters)
Update	update(Table table)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDb

public AbstractDb()

Method Detail

connection

protected abstract Connection connection()

Obtem a ligação a usar para executar o SQL
Implementações deste método podem ser a simples devolução de uma Connection previamente
definida, ou obtenção de uma Connection definida na Thread por frameworks transacionais

Spring ex: Connection conn = DataSourceUtils.getConnection(dataSource);

Returns:

getConnection

public Connection getConnection()

loadAssociation

public <T> T loadAssociation(Object bean,
                             Association association)

gets the value at the end of the association from the database, puts in the input bean and returns the value. This method relies in reflection

Parameters:

bean - the target bean

association - the mapping

Returns:

the bean instance returned from de data base

query

public Query query(Table table)

selct over a table.
If no columns are added, when executing a select or list all columns of the driving table will be added.

Parameters:

table -

Returns:

query

public Query query(Query query)

getDriver

public Driver getDriver()

setDriver

public void setDriver(Driver driver)

getJdbcSession

public JdbcSession getJdbcSession()

fetchAutoNumberBefore

public Long fetchAutoNumberBefore(Column<? extends Number> column)

fetchCurrentAutoNumberAfter

public Long fetchCurrentAutoNumberAfter(Column<? extends Number> column)

fetchAutoNumber

public Long fetchAutoNumber(Column<? extends Number> column,
                            boolean after)

insert

public Insert insert(Table table)

update

public Update update(Table table)

delete

public Delete delete(Table table)

transformParameters

public Map<String,Object> transformParameters(Map<String,Object> parameters)

transformParameters

public Object[] transformParameters(Object... parameters)

transformParameter

public Object transformParameter(Object parameter)