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com.newstep.solid.persistence.db

Class DbCRUDKeeperImpl

com.newstep.solid.persistence.db.DbKeeper

+--com.newstep.solid.persistence.db.DbCRUDKeeperImpl

All Implemented Interfaces:
BatchCRUDKeeper

public class DbCRUDKeeperImpl < T >

Represents an externally configured Keeper.

It also is an implmentation of the simple keeper:
com.newstep.solid.persistence.CRUDKeeper

This class is meant to be extended for greater quering capabilities
for your intended Keeper interface..

Author:

msimonsen

Implements:

BatchCRUDKeeper

Links:

Kernel Association Association Link

to Class DbKeeperConfig

Associates type:

association

Client cardinality:

Client navigability:

NOT NAVIGABLE

Client visibility:

private

Supplier cardinality:

Supplier navigability:

NAVIGABLE

Supplier visibility:

private

Kernel Association Association Link

to Interface UniqueIdGenerator

Associates type:

association

Client cardinality:

Client navigability:

NOT NAVIGABLE

Client visibility:

private

Supplier cardinality:

Supplier navigability:

NAVIGABLE

Supplier visibility:

private

Generalization Generalization Link

to Class DbKeeper

Author:

msimonsen

Implementation Implementation Link

to Interface BatchCRUDKeeper

Author:

msimonsen

Template Parameters
Class20	T

Nested Class Summary
Final class	T

Field Summary
private final static String	className
private DbKeeperConfig	config
private Object	configObj
private UniqueIdGenerator	generator
private static Logger	logger

Method Summary
public T	create(T obj, PersistenceContext context)
public boolean	create(Collection col, PersistenceContext context)
public void	delete(T obj, PersistenceContext context)
public T	get(Integer id, PersistenceContext context)
public Collection	getAll(PersistenceContext context)
public Class	getBeanClass()
protected DbKeeperConfig	getConfig()
protected String	getPrimaryKeyCol()
protected String	getSchema()
protected String	getSequence()
protected String	getTable()
protected String	getVOClassName()
public void	init(DbKeeperConfig keeperConfig)
public Collection	query(PostQueryCriteria query, PersistenceContext context)
public Collection	query(PreQueryCriteria query, PersistenceContext context)
public Collection	queryByBean(T bean, PersistenceContext context, String fieldNames)
public T	queryEntityByBean(T bean, PersistenceContext context, String fieldNames)
protected void	setUidGenerator(PersistenceContext context)
public boolean	update(Collection col, PersistenceContext context)
public void	update(T obj, PersistenceContext context)

Template Parameter Detail

Unknown Name

Template Parameter Summary
T

Parameter Metaclass:

Class20

Class Summary
T

Final.

Custom properties

templateParameterString:

Field Detail

className

private final static String className

Final.

Multiplicity:

Static.

config

private DbKeeperConfig config

Multiplicity:

configObj

private Object configObj

Multiplicity:

generator

private UniqueIdGenerator generator

Multiplicity:

logger

private static Logger logger

Multiplicity:

Static.

Method Detail

create

public T create (T obj, PersistenceContext context)

Throws:

PersistenceException

create

public boolean create (Collection col, PersistenceContext context)

Throws:

PersistenceException

delete

public void delete (T obj, PersistenceContext context)

Only the unique id of the the object is required.

Parameters:

context

Throws:

PersistenceException

Custom properties

param obj.

get

public T get (Integer id, PersistenceContext context)

Throws:

PersistenceException

getAll

public Collection getAll (PersistenceContext context)

Throws:

PersistenceException

getBeanClass

public Class getBeanClass ()

getConfig

protected DbKeeperConfig getConfig ()

getPrimaryKeyCol

protected String getPrimaryKeyCol ()

getSchema

protected String getSchema ()

getSequence

protected String getSequence ()

getTable

protected String getTable ()

getVOClassName

protected String getVOClassName ()

init

public void init (DbKeeperConfig keeperConfig)

Throws:

PersistenceException

query

public Collection query (PostQueryCriteria query, PersistenceContext context)

Throws:

PersistenceException

query

public Collection query (PreQueryCriteria query, PersistenceContext context)

Throws:

PersistenceException

queryByBean

public Collection queryByBean (T bean, PersistenceContext context, String fieldNames)

Builds an "AND"ed query based on the sample bean object egObject.

Parameters:

bean - the object to filter against
context

Return:

A collection of queried objects.

Throws:

PersistenceException

queryEntityByBean

public T queryEntityByBean (T bean, PersistenceContext context, String fieldNames)

Builds an "AND"ed query based on the sample bean object egObject to query
a single instance that respects all the conditions. If none found,
ObjectNotFoundException is thrown. The function is built to be used by
retrieveByName.

Parameters:

bean -
the object to filter against
context *
fieldNames

Return:

A collection of queried objects.

Throws:

PersistenceException

setUidGenerator

protected void setUidGenerator (PersistenceContext context)

Sets the uid generator if its found not to be set in context

Parameters:

context

update