hibernateoperations.java

spring的源代码

	 * @param queryString a query expressed in Hibernate's query language
	 * @param value the value of the parameter
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 */
	List find(String queryString, Object value) throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding a
	 * number of values to "?" parameters in the query string.
	 * @param queryString a query expressed in Hibernate's query language
	 * @param values the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 */
	List find(String queryString, Object[] values) throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding
	 * one value to a ":" named parameter in the query string.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param paramName the name of parameter
	 * @param value the value of the parameter
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedParam(String queryName, String paramName, Object value)
			throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding a
	 * number of values to ":" named parameters in the query string.
	 * @param queryString a query expressed in Hibernate's query language
	 * @param paramNames the names of the parameters
	 * @param values the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedParam(String queryString, String[] paramNames, Object[] values)
			throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding the properties
	 * of the given bean to <i>named</i> parameters in the query string.
	 * @param queryString a query expressed in Hibernate's query language
	 * @param valueBean the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Query#setProperties
	 * @see org.hibernate.Session#createQuery
	 */
	List findByValueBean(String queryString, Object valueBean) throws DataAccessException;


	//-------------------------------------------------------------------------
	// Convenience finder methods for named queries
	//-------------------------------------------------------------------------

	/**
	 * Execute a named query for persistent instances.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQuery(String queryName) throws DataAccessException;

	/**
	 * Execute a named query for persistent instances, binding
	 * one value to a "?" parameter in the query string.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param value the value of the parameter
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQuery(String queryName, Object value) throws DataAccessException;

	/**
	 * Execute a named query for persistent instances, binding a
	 * number of values to "?" parameters in the query string.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param values the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQuery(String queryName, Object[] values) throws DataAccessException;

	/**
	 * Execute a named query for persistent instances, binding
	 * one value to a ":" named parameter in the query string.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param paramName the name of parameter
	 * @param value the value of the parameter
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQueryAndNamedParam(String queryName, String paramName, Object value)
			throws DataAccessException;

	/**
	 * Execute a named query for persistent instances, binding a
	 * number of values to ":" named parameters in the query string.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param paramNames the names of the parameters
	 * @param values the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQueryAndNamedParam(String queryName, String[] paramNames, Object[] values)
			throws DataAccessException;

	/**
	 * Execute a named query for persistent instances, binding the properties
	 * of the given bean to ":" named parameters in the query string.
	 * A named query is defined in a Hibernate mapping file.
	 * @param queryName the name of a Hibernate query in a mapping file
	 * @param valueBean the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Query#setProperties
	 * @see org.hibernate.Session#getNamedQuery(String)
	 */
	List findByNamedQueryAndValueBean(String queryName, Object valueBean)
			throws DataAccessException;


	//-------------------------------------------------------------------------
	// Convenience finder methods for detached criteria
	//-------------------------------------------------------------------------

	/**
	 * Execute a query based on a given Hibernate criteria object.
	 * @param criteria the detached Hibernate criteria object,
	 * which can for example be held in an instance variable of a DAO
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.criterion.DetachedCriteria#getExecutableCriteria(org.hibernate.Session)
	 */
	List findByCriteria(DetachedCriteria criteria) throws DataAccessException;

	/**
	 * Execute a query based on a given Hibernate criteria object.
	 * @param criteria the detached Hibernate criteria object,
	 * which can for example be held in an instance variable of a DAO
	 * @param firstResult the index of the first result object to be retrieved
	 * (numbered from 0)
	 * @param maxResults the maximum number of result objects to retrieve
	 * (or <=0 for no limit)
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.criterion.DetachedCriteria#getExecutableCriteria(org.hibernate.Session)
	 * @see org.hibernate.Criteria#setFirstResult(int)
	 * @see org.hibernate.Criteria#setMaxResults(int)
	 */
	List findByCriteria(DetachedCriteria criteria, int firstResult, int maxResults) throws DataAccessException;

	/**
	 * Execute a query based on a given example entity object.
	 * @param exampleEntity an instance of the desired entity,
	 * serving as example for "query-by-example"
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.criterion.Example#create(Object)
	 */
	List findByExample(Object exampleEntity) throws DataAccessException;

	/**
	 * Execute a query based on a given example entity object.
	 * @param exampleEntity an instance of the desired entity,
	 * serving as example for "query-by-example"
	 * @param firstResult the index of the first result object to be retrieved
	 * (numbered from 0)
	 * @param maxResults the maximum number of result objects to retrieve
	 * (or <=0 for no limit)
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.criterion.Example#create(Object)
	 * @see org.hibernate.Criteria#setFirstResult(int)
	 * @see org.hibernate.Criteria#setMaxResults(int)
	 */
	List findByExample(Object exampleEntity, int firstResult, int maxResults) throws DataAccessException;


	//-------------------------------------------------------------------------
	// Convenience query methods for iteration and bulk updates/deletes
	//-------------------------------------------------------------------------

	/**
	 * Execute a query for persistent instances.
	 * <p>Returns the results as Iterator. Entities returned are initialized
	 * on demand. See Hibernate docs for details.
	 * @param queryString a query expressed in Hibernate's query language
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#iterate
	 */
	Iterator iterate(String queryString) throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding one value
	 * to a "?" parameter in the query string.
	 * <p>Returns the results as Iterator. Entities returned are initialized
	 * on demand. See Hibernate docs for details.
	 * @param queryString a query expressed in Hibernate's query language
	 * @param value the value of the parameter
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#iterate
	 */
	Iterator iterate(String queryString, Object value) throws DataAccessException;

	/**
	 * Execute a query for persistent instances, binding a number of
	 * values to "?" parameters in the query string.
	 * <p>Returns the results as Iterator. Entities returned are initialized
	 * on demand. See Hibernate docs for details.
	 * @param queryString a query expressed in Hibernate's query language
	 * @param values the values of the parameters
	 * @return a List containing 0 or more persistent instances
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#iterate
	 */
	Iterator iterate(String queryString, Object[] values) throws DataAccessException;

	/**
	 * Close an Iterator created by <i>iterate</i> operations immediately,
	 * instead of waiting until the session is closed or disconnected.
	 * @param it the Iterator to close
	 * @throws DataAccessException if the Iterator could not be closed
	 * @see org.hibernate.Hibernate#close
	 */
	void closeIterator(Iterator it) throws DataAccessException;

	/**
	 * Update/delete all objects according to the given query.
	 * Return the number of entity instances updated/deleted.
	 * @param queryString an update/delete query expressed in Hibernate's query language
	 * @return the number of instances updated/deleted
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#executeUpdate
	 */
	int bulkUpdate(String queryString) throws DataAccessException;

	/**
	 * Update/delete all objects according to the given query.
	 * Return the number of entity instances updated/deleted.
	 * @param queryString an update/delete query expressed in Hibernate's query language
	 * @param value the value of the parameter
	 * @return the number of instances updated/deleted
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#executeUpdate
	 */
	int bulkUpdate(String queryString, Object value) throws DataAccessException;

	/**
	 * Update/delete all objects according to the given query.
	 * Return the number of entity instances updated/deleted.
	 * @param queryString an update/delete query expressed in Hibernate's query language
	 * @param values the values of the parameters
	 * @return the number of instances updated/deleted
	 * @throws org.springframework.dao.DataAccessException in case of Hibernate errors
	 * @see org.hibernate.Session#createQuery
	 * @see org.hibernate.Query#executeUpdate
	 */
	int bulkUpdate(String queryString, Object[] values) throws DataAccessException;

}