Class SQLStatementUpdateCheck
- java.lang.Object
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- org.castor.cpa.persistence.sql.engine.SQLStatementUpdateCheck
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public final class SQLStatementUpdateCheck extends java.lang.Object
SQLStatementUpdatCheck class to check whether the new SQL update statement has failed because entity has been removed previously from persistent storage or the object has been modified before. If the object has been modified an ObjectModifiedException and if object has been deleted an ObjectDeletedException is raised.- Version:
- $Revision: 8285 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
- Author:
- Assaf Arkin, Thomas Yip, Bruce Snyder, Werner Guttmann, Ralf Joachim, Ahmad Hassan, Dennis Butterstein
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Constructor Summary
Constructors Constructor Description SQLStatementUpdateCheck(SQLEngine engine)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
updateFailureCheck(CastorConnection conn, Identity identity)
This function checks whether the object specified in the statement has been previously removed from the persistent storage or has been modified.
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Constructor Detail
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SQLStatementUpdateCheck
public SQLStatementUpdateCheck(SQLEngine engine)
Constructor.- Parameters:
engine
- SQL engine for all persistence operations at entities of the type this class is responsible for. Holds all required information of the entity type.
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Method Detail
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updateFailureCheck
public void updateFailureCheck(CastorConnection conn, Identity identity) throws PersistenceException
This function checks whether the object specified in the statement has been previously removed from the persistent storage or has been modified. If the object has been modified an ObjectModifiedException and if object has been deleted an ObjectDeletedException is raised.- Parameters:
conn
- CastorConnection holding connection and PersistenceFactory to be used to create statement.identity
- Identity of the object to check for availability.- Throws:
PersistenceException
- If a database access error occurs, identity size mismatches, column length mismatches, ObjectDeletedException if object had been deleted or ObjectModifiedException if object had been modified before.
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