com.gisgraphy.service.impl
Class UniversalManagerImpl

java.lang.Object
  com.gisgraphy.service.impl.UniversalManagerImpl

All Implemented Interfaces:

UniversalManager

Direct Known Subclasses:

LookupManagerImpl, RoleManagerImpl, UserManagerImpl

public class UniversalManagerImpl
extends java.lang.Object
implements UniversalManager

Base class for Business Services - use this class for utility methods and generic CRUD methods.

Author:

Matt Raible

Field Summary

protected UniversalDao	dao UniversalDao instance, ready to charge forward and persist to the database
protected org.apache.commons.logging.Log	log Log instance for all child classes.

Constructor Summary

UniversalManagerImpl()

Method Summary

java.lang.Object	get(java.lang.Class<?> clazz, java.io.Serializable id) Generic method to get an object based on class and identifier.
java.util.List<?>	getAll(java.lang.Class<?> clazz) Generic method used to get a all objects of a particular type.
void	remove(java.lang.Class<?> clazz, java.io.Serializable id) Generic method to delete an object based on class and id
java.lang.Object	save(java.lang.Object o) Generic method to save an object.
void	setDao(UniversalDao dao)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected final org.apache.commons.logging.Log log

Log instance for all child classes. Uses LogFactory.getLog(getClass()) from Commons Logging

dao

protected UniversalDao dao

UniversalDao instance, ready to charge forward and persist to the database

Constructor Detail

UniversalManagerImpl

public UniversalManagerImpl()

Method Detail

setDao

public void setDao(UniversalDao dao)

get

public java.lang.Object get(java.lang.Class<?> clazz,
                            java.io.Serializable id)

Generic method to get an object based on class and identifier.

Specified by:

get in interface UniversalManager

Parameters:

clazz - model class to lookup

id - the identifier (primary key) of the class

Returns:

a populated object

See Also:

ObjectRetrievalFailureException

getAll

public java.util.List<?> getAll(java.lang.Class<?> clazz)

Generic method used to get a all objects of a particular type.

Specified by:

getAll in interface UniversalManager

Parameters:

clazz - the type of objects

Returns:

List of populated objects

remove

public void remove(java.lang.Class<?> clazz,
                   java.io.Serializable id)

Generic method to delete an object based on class and id

Specified by:

remove in interface UniversalManager

Parameters:

clazz - model class to lookup

id - the identifier of the class

save

public java.lang.Object save(java.lang.Object o)

Generic method to save an object.

Specified by:

save in interface UniversalManager

Parameters:

o - the object to save

Returns:

a populated object