Module io.helidon.dbclient

Package io.helidon.dbclient

Class DbRowBase

java.lang.Object

io.helidon.dbclient.DbRowBase

All Implemented Interfaces:

DbRow

public abstract class DbRowBase
extends Object
implements DbRow

Base DbRow implementation.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DbRowBase(DbColumnBase[] columns, DbMapperManager dbMapperManager)

Method Summary

Modifier and Type	Method	Description
<T> T	as(GenericType<T> type)	Map this row to an object using a DbMapper.
<T> T	as(Class<T> type)	Get specific class instance representation of this row.
<T> T	as(Function<DbRow,T> mapper)	Get specific class instance representation of this row.
DbColumn	column(int index)	Get a column in this row.
DbColumn	column(String name)	Get a column in this row.
void	forEach(Consumer<? super DbColumn> columnAction)	Iterate through each column in this row.

Methods inherited from class java.lang.Object

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

Constructor Details

DbRowBase

protected DbRowBase(DbColumnBase[] columns,
 DbMapperManager dbMapperManager)

Method Details

column

public DbColumn column(String name)

Description copied from interface: DbRow

Get a column in this row. Column is identified by its name.

Specified by:

column in interface DbRow

Parameters:

name - column name

Returns:

a column in this row

column

public DbColumn column(int index)

Description copied from interface: DbRow

Get a column in this row. Column is identified by its index.

Specified by:

column in interface DbRow

Parameters:

index - column index starting from 1

Returns:

a column in this row

forEach

public void forEach(Consumer<? super DbColumn> columnAction)

Description copied from interface: DbRow

Iterate through each column in this row.

Specified by:

forEach in interface DbRow

Parameters:

columnAction - what to do with each column

as

public <T> T as(Class<T> type)
         throws MapperException

Description copied from interface: DbRow

Get specific class instance representation of this row. Mapper for target class must be already registered.

Specified by:

as in interface DbRow

Type Parameters:

T - type of the returned value

Parameters:

type - class of the returned value type

Returns:

instance of requested class containing this database row

Throws:

MapperException - in case the mapping is not defined or fails

as

public <T> T as(GenericType<T> type)
         throws MapperException

Description copied from interface: DbRow

Map this row to an object using a DbMapper.

Specified by:

as in interface DbRow

Type Parameters:

T - type to be returned

Parameters:

type - type that supports generic declarations

Returns:

typed row

Throws:

MapperException - in case the mapping is not defined or fails

MapperException - in case the mapping is not defined or fails

as

public <T> T as(Function<DbRow,T> mapper)

Description copied from interface: DbRow

Get specific class instance representation of this row. Mapper for target class is provided as an argument.

Specified by:

as in interface DbRow

Type Parameters:

T - type of the returned value

Parameters:

mapper - method to create a target class instance from DbRow

Returns:

instance of requested class containing this database row