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Oracle TopLink Java API Reference
10g Release 3 (10.1.3.1)

B28219-01


oracle.toplink.history
Class AsOfSCNClause

java.lang.Object
  extended byoracle.toplink.history.AsOfClause
      extended byoracle.toplink.history.AsOfSCNClause

All Implemented Interfaces:
java.io.Serializable

public class AsOfSCNClause
extends AsOfClause

Purpose:Wraps an immutable value for a past time, represented as a database system change number.

This should be specified with an Oracle platform supporting flashback, and the value will be written to the SQL FROM clause:

SELECT ... FROM EMPLOYEE AS OF SCN (value) t0, ...

Since:
OracleAS TopLink 10g (10.0.3)
See Also:
AsOfClause, oracle.toplink.internal.databaseaccess.OraclePlatform#getSystemChangeNumberQuery, Serialized Form

Field Summary

 

Fields inherited from class oracle.toplink.history.AsOfClause
NO_CLAUSE

 

Constructor Summary
AsOfSCNClause(Expression expression)
           
AsOfSCNClause(long systemChangeNumber)
           
AsOfSCNClause(java.lang.Long systemChangeNumber)
           
AsOfSCNClause(java.lang.Number systemChangeNumber)
           

 

Method Summary
 boolean isAsOfSCNClause()
          PUBLIC:

 

Methods inherited from class oracle.toplink.history.AsOfClause
getValue, isUniversal, toString

 

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

AsOfSCNClause

public AsOfSCNClause(java.lang.Number systemChangeNumber)

AsOfSCNClause

public AsOfSCNClause(java.lang.Long systemChangeNumber)

AsOfSCNClause

public AsOfSCNClause(long systemChangeNumber)

AsOfSCNClause

public AsOfSCNClause(Expression expression)

Method Detail

isAsOfSCNClause

public boolean isAsOfSCNClause()
PUBLIC:
Overrides:
isAsOfSCNClause in class AsOfClause
See Also:
AsOfSCNClause

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