AbstractSelectingDelegate (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.id.insert
Class AbstractSelectingDelegate

java.lang.Object
  org.hibernate.id.insert.AbstractSelectingDelegate

All Implemented Interfaces:: InsertGeneratedIdentifierDelegate

Direct Known Subclasses:: IdentityGenerator.BasicDelegate, SelectGenerator.SelectGeneratorDelegate

public abstract class AbstractSelectingDelegate
extends Object
implements InsertGeneratedIdentifierDelegate

Abstract InsertGeneratedIdentifierDelegate implementation where the underlying strategy requires an subsequent select after the insert to determine the generated identifier.

Author:: Steve Ebersole

Constructor Summary

protected AbstractSelectingDelegate(PostInsertIdentityPersister persister)


Method Summary

protected void bindParameters(SessionImplementor session, PreparedStatement ps, Object entity)
          Bind any required parameter values into the SQL command getSelectSQL().

protected abstract Serializable getResult(SessionImplementor session, ResultSet rs, Object entity)
          Extract the generated key value from the given result set.

protected abstract String getSelectSQL()
          Get the SQL statement to be used to retrieve generated key values.

Serializable performInsert(String insertSQL, SessionImplementor session, Binder binder)
          Perform the indicated insert SQL statement and determine the identifier value generated.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.id.insert.InsertGeneratedIdentifierDelegate

prepareIdentifierGeneratingInsert

Constructor Detail

AbstractSelectingDelegate

protected AbstractSelectingDelegate(PostInsertIdentityPersister persister)

Method Detail

performInsert

public final Serializable performInsert(String insertSQL,
                                        SessionImplementor session,
                                        Binder binder)

Description copied from interface: InsertGeneratedIdentifierDelegate

Perform the indicated insert SQL statement and determine the identifier value generated.

Specified by:: performInsert in interface InsertGeneratedIdentifierDelegate

Parameters:: insertSQL -; session -; binder -
Returns:: The generated identifier value.

getSelectSQL

protected abstract String getSelectSQL()

Get the SQL statement to be used to retrieve generated key values.

Returns:: The SQL command string

bindParameters

protected void bindParameters(SessionImplementor session,
                              PreparedStatement ps,
                              Object entity)
                       throws SQLException

Bind any required parameter values into the SQL command getSelectSQL().

Parameters:: session - The session; ps - The prepared SQL command; entity - The entity being saved.
Throws:: SQLException

getResult

protected abstract Serializable getResult(SessionImplementor session,
                                          ResultSet rs,
                                          Object entity)
                                   throws SQLException

Extract the generated key value from the given result set.

Parameters:: session - The session; rs - The result set containing the generated primay key values.; entity - The entity being saved.
Returns:: The generated identifier
Throws:: SQLException