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public interface Dao<T extends DalObject>
Method Summary | |
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void |
delete(T o)
deletes an object from the database |
java.util.Collection<T> |
getAll()
retrieves all objects of the managed type from the database |
T |
getByBusinessKey(T dm)
retrieves an object that matches the business key properties in the dm. |
T |
getByPk(java.io.Serializable pk)
retrieves an object from the database by its primary key |
java.util.Collection<T> |
getByProperties(T dm,
java.lang.Object... names)
retrieves all objects that match the properties. |
T |
getByUniqueProperties(T dm)
retrieves an object that matches the unique properties of the provided dm. |
T |
merge(T o)
merges an object to the database. |
T |
save(T o)
saves an object to the database |
Method Detail |
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void delete(T o)
o
- DalObject to deletejava.util.Collection<T> getAll()
T getByPk(java.io.Serializable pk) throws org.springframework.dao.DataAccessException
pk
- primary key
org.springframework.dao.DataAccessException
java.util.Collection<T> getByProperties(T dm, java.lang.Object... names)
dm
as an "example" object on which properties named names
are
being considered in the query
dm
- example domain objectnames
- property named to fetch by
T getByUniqueProperties(T dm)
Column(unique=true)
persistence annotation.
dm
- example domain object
T getByBusinessKey(T dm)
BusinessKey
annotation.
dm
- example domain object
T save(T o)
o
- DalObject to save
T merge(T o)
o
- DalObject to merge
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