org.egov.works.services.impl

Class BaseServiceImpl<T,ID extends Serializable>

java.lang.Object

org.egov.works.services.impl.BaseServiceImpl<T,ID>

All Implemented Interfaces:

BaseService<T,ID>

Direct Known Subclasses:

ContractorBillServiceImpl, DepositWorksUsageServiceImpl, MeasurementBookServiceImpl, RevisionEstimateServiceImpl, WorkOrderServiceImpl, WorksPackageServiceImpl

public class BaseServiceImpl<T,ID extends Serializable>
extends Object
implements BaseService<T,ID>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.egov.infstr.services.PersistenceService	genericService
protected org.egov.infstr.services.PersistenceService<T,ID>	persistenceService

Constructor Summary

Constructors

Constructor and Description
BaseServiceImpl(org.egov.infstr.services.PersistenceService<T,ID> persistenceService) Public constructor for creating a new BaseServiceImpl.

Method Summary

Modifier and Type	Method and Description
T	create(T entity) Generic method to save an object.
void	delete(T entity) Generic method to delete an object based on class and id
T	find(String query) Find object by query.
T	find(String query, Object... params) Find object by query and parameter.
List<T>	findAll() Generic method used to get all objects of a particular type.
List<T>	findAllBy(String query, Object... params) Find list of object by query and parameter.
List<T>	findAllByNamedQuery(String namedQuery, Object... params) Find list of object by query and parameter.
List<T>	findByExample(T exampleT) Generic method to search similar objects.
T	findById(ID id, boolean lock) Generic method to get an object based on class and identifier.
T	findByNamedQuery(String namedQuery, Object... params) find object by named query and parameter.
org.egov.commons.CFinancialYear	getCurrentFinancialYear(Date date) This method retrieves the CFinancialYear for the given date.
T	merge(T model) Generic method to merge entity
T	persist(T entity) Generic method to validate and save/update the entity
void	setGenericService(org.egov.infstr.services.PersistenceService genericService) Search list of objects by query.
T	update(T entity) Generic method to update an object.

Methods inherited from class java.lang.Object

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

Field Detail

persistenceService

protected org.egov.infstr.services.PersistenceService<T,ID extends Serializable> persistenceService

genericService

protected org.egov.infstr.services.PersistenceService genericService

Constructor Detail

BaseServiceImpl

public BaseServiceImpl(org.egov.infstr.services.PersistenceService<T,ID> persistenceService)

Public constructor for creating a new BaseServiceImpl.

Parameters:

genericDAO -

Method Detail

findById

public T findById(ID id,
                  boolean lock)

Generic method to get an object based on class and identifier. An ObjectRetrievalFailureException Runtime Exception is thrown if nothing is found.

Specified by:

findById in interface BaseService<T,ID extends Serializable>

Parameters:

id -

lock -

Returns:

findAll

public List<T> findAll()

Generic method used to get all objects of a particular type. This is the same as lookup up all rows in a table.

Specified by:

findAll in interface BaseService<T,ID extends Serializable>

Returns:

list of objects.

findByExample

public List<T> findByExample(T exampleT)

Generic method to search similar objects.

Specified by:

findByExample in interface BaseService<T,ID extends Serializable>

Parameters:

exampleT -

Returns:

create

public T create(T entity)

Generic method to save an object.

Specified by:

create in interface BaseService<T,ID extends Serializable>

Parameters:

entity -

Returns:

the created

persist

public T persist(T entity)

Generic method to validate and save/update the entity

Specified by:

persist in interface BaseService<T,ID extends Serializable>

Parameters:

entity -

Returns:

merge

public T merge(T model)

Generic method to merge entity

Specified by:

merge in interface BaseService<T,ID extends Serializable>

Parameters:

model -

Returns:

delete

public void delete(T entity)

Generic method to delete an object based on class and id

Specified by:

delete in interface BaseService<T,ID extends Serializable>

Parameters:

entity -

update

public T update(T entity)

Generic method to update an object.

Specified by:

update in interface BaseService<T,ID extends Serializable>

Parameters:

entity -

Returns:

the updated object

find

public T find(String query,
              Object... params)

Find object by query and parameter.

Specified by:

find in interface BaseService<T,ID extends Serializable>

Parameters:

query -

params -

Returns:

object.

find

public T find(String query)

Find object by query.

Specified by:

find in interface BaseService<T,ID extends Serializable>

Parameters:

query -

Returns:

object.

findAllBy

public List<T> findAllBy(String query,
                         Object... params)

Find list of object by query and parameter.

Specified by:

findAllBy in interface BaseService<T,ID extends Serializable>

Parameters:

query -

params -

Returns:

List of object

findAllByNamedQuery

public List<T> findAllByNamedQuery(String namedQuery,
                                   Object... params)

Find list of object by query and parameter.

Specified by:

findAllByNamedQuery in interface BaseService<T,ID extends Serializable>

Parameters:

namedQuery -

params -

Returns:

List of object

findByNamedQuery

public T findByNamedQuery(String namedQuery,
                          Object... params)

find object by named query and parameter.

Specified by:

findByNamedQuery in interface BaseService<T,ID extends Serializable>

Parameters:

namedQuery -

params -

Returns:

object.

setGenericService

public void setGenericService(org.egov.infstr.services.PersistenceService genericService)

Search list of objects by query.

Parameters:

queryString -

getCurrentFinancialYear

public org.egov.commons.CFinancialYear getCurrentFinancialYear(Date date)

This method retrieves the CFinancialYear for the given date.

Specified by:

getCurrentFinancialYear in interface BaseService<T,ID extends Serializable>

Parameters:

date - an instance of Date for which the financial year is to be retrieved.

Returns: