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java.lang.Objectorg.springframework.dao.support.DaoSupport
org.springframework.orm.hibernate3.support.HibernateDaoSupport
com.gisgraphy.dao.hibernate.GenericDaoHibernate<T,PK>
T
- a type variablePK
- the primary key for that typepublic class GenericDaoHibernate<T,PK extends Serializable>
This class serves as the Base class for all other DAOs - namely to hold common CRUD methods that they might all use. You should only need to extend this class when your require custom CRUD logic.
To register this class in your Spring context file, use the following XML.
<bean id="fooDao" class="com.gisgraphy.dao.hibernate.GenericDaoHibernate"> <constructor-arg value="com.gisgraphy.model.Foo"/> <property name="sessionFactory" ref="sessionFactory"/> </bean>
Field Summary | |
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protected org.apache.commons.logging.Log |
log
Log variable for all child classes. |
Fields inherited from class org.springframework.dao.support.DaoSupport |
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logger |
Constructor Summary | |
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GenericDaoHibernate(Class<T> persistentClass)
Constructor that takes in a class to see which type of entity to persist |
Method Summary | |
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boolean |
exists(PK id)
Checks for existence of an object of type T using the id arg. |
T |
get(PK id)
Generic method to get an object based on class and identifier. |
List<T> |
getAll()
Generic method used to get all objects of a particular type. |
void |
remove(PK id)
Generic method to delete an object based on class and id |
T |
save(T object)
Generic method to save an object - handles both update and insert. |
Methods inherited from class org.springframework.orm.hibernate3.support.HibernateDaoSupport |
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checkDaoConfig, convertHibernateAccessException, createHibernateTemplate, getHibernateTemplate, getSession, getSession, getSessionFactory, releaseSession, setHibernateTemplate, setSessionFactory |
Methods inherited from class org.springframework.dao.support.DaoSupport |
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afterPropertiesSet, initDao |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected final org.apache.commons.logging.Log log
Constructor Detail |
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public GenericDaoHibernate(Class<T> persistentClass)
persistentClass
- the class type you'd like to persistMethod Detail |
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public List<T> getAll()
getAll
in interface GenericDao<T,PK extends Serializable>
public T get(PK id)
get
in interface GenericDao<T,PK extends Serializable>
id
- the identifier (primary key) of the object to get
ObjectRetrievalFailureException
public boolean exists(PK id)
exists
in interface GenericDao<T,PK extends Serializable>
id
- the id of the entity
public T save(T object)
save
in interface GenericDao<T,PK extends Serializable>
object
- the object to save
public void remove(PK id)
remove
in interface GenericDao<T,PK extends Serializable>
id
- the identifier (primary key) of the object to remove
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