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‎hiberate/126.md‎

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@@ -37,50 +37,27 @@ Session接口提供多个方法，但这里列出的只有少数重要的方法
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| S.N. | 会话的方法和说明 |
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| --- | --- |
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| 1 | **Transaction beginTransaction()** 
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Begin a unit of work and return the associated Transaction object. |
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| 2 | **void cancelQuery()** 
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Cancel the execution of the current query. |
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| 3 | **void clear()** 
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Completely clear the session. |
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| 4 | **Connection close()** 
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End the session by releasing the JDBC connection and cleaning up. |
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| 5 | **Criteria createCriteria(Class persistentClass)** 
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Create a new Criteria instance, for the given entity class, or a superclass of an entity class. |
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| 6 | **Criteria createCriteria(String entityName)** 
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Create a new Criteria instance, for the given entity name. |
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| 7 | **Serializable getIdentifier(Object object)** 
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Return the identifier value of the given entity as associated with this session. |
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| 8 | **Query createFilter(Object collection, String queryString)** 
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Create a new instance of Query for the given collection and filter string. |
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| 9 | **Query createQuery(String queryString)** 
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Create a new instance of Query for the given HQL query string. |
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| 10 | **SQLQuery createSQLQuery(String queryString)** 
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Create a new instance of SQLQuery for the given SQL query string. |
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| 11 | **void delete(Object object)** 
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Remove a persistent instance from the datastore. |
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| 12 | **void delete(String entityName, Object object)** 
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Remove a persistent instance from the datastore. |
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| 13 | **Session get(String entityName, Serializable id)** 
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Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance. |
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| 14 | **SessionFactory getSessionFactory()** 
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Get the session factory which created this session. |
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| 15 | **void refresh(Object object)** 
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Re-read the state of the given instance from the underlying database. |
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| 16 | **Transaction getTransaction()** 
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Get the Transaction instance associated with this session. |
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| 17 | **boolean isConnected()** 
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Check if the session is currently connected. |
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| 18 | **boolean isDirty()** 
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Does this session contain any changes which must be synchronized with the database? |
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| 19 | **boolean isOpen()** 
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Check if the session is still open. |
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| 20 | **Serializable save(Object object)** 
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Persist the given transient instance, first assigning a generated identifier. |
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| 21 | **void saveOrUpdate(Object object)** 
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Either save(Object) or update(Object) the given instance. |
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| 22 | **void update(Object object)** 
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Update the persistent instance with the identifier of the given detached instance. |
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| 23 | **void update(String entityName, Object object)** 
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Update the persistent instance with the identifier of the given detached instance. |
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| 1 | **Transaction beginTransaction()** Begin a unit of work and return the associated Transaction object. |
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| 2 | **void cancelQuery()** Cancel the execution of the current query. |
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| 3 | **void clear()** Completely clear the session. |
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| 4 | **Connection close()** End the session by releasing the JDBC connection and cleaning up. |
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| 5 | **Criteria createCriteria(Class persistentClass)** Create a new Criteria instance, for the given entity class, or a superclass of an entity class. |
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| 6 | **Criteria createCriteria(String entityName)** Create a new Criteria instance, for the given entity name. |
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| 7 | **Serializable getIdentifier(Object object)** Return the identifier value of the given entity as associated with this session. |
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| 8 | **Query createFilter(Object collection, String queryString)** Create a new instance of Query for the given collection and filter string. |
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| 9 | **Query createQuery(String queryString)** Create a new instance of Query for the given HQL query string. |
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| 10 | **SQLQuery createSQLQuery(String queryString)** Create a new instance of SQLQuery for the given SQL query string. |
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| 11 | **void delete(Object object)** Remove a persistent instance from the datastore. |
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| 12 | **void delete(String entityName, Object object)** Remove a persistent instance from the datastore. |
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| 13 | **Session get(String entityName, Serializable id)** Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance. |
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| 14 | **SessionFactory getSessionFactory()** Get the session factory which created this session. |
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| 15 | **void refresh(Object object)** Re-read the state of the given instance from the underlying database. |
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| 16 | **Transaction getTransaction()** Get the Transaction instance associated with this session. |
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| 17 | **boolean isConnected()** Check if the session is currently connected. |
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| 18 | **boolean isDirty()** Does this session contain any changes which must be synchronized with the database? |
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| 19 | **boolean isOpen()** Check if the session is still open. |
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| 20 | **Serializable save(Object object)** Persist the given transient instance, first assigning a generated identifier. |
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| 21 | **void saveOrUpdate(Object object)** Either save(Object) or update(Object) the given instance. |
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| 22 | **void update(Object object)** Update the persistent instance with the identifier of the given detached instance. |
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| 23 | **void update(String entityName, Object object)** Update the persistent instance with the identifier of the given detached instance. |
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