SQLStatementLoad (Castor JavaDoc)

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java.lang.Object
- org.exolab.castor.jdo.engine.SQLStatementLoad

```
public final class SQLStatementLoad
extends java.lang.Object
```
SQLStatementLoad class that makes use of select class hierarchy to generate SQL query structure. Execute method prepares a SQL statement, binds identity values to parameters of the query, executes it and handles the results of the query.

Version:

$Revision: 8778 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Dennis Butterstein, Ralf Joachim

Constructor Summary

Constructors
Constructor Description

SQLStatementLoad(SQLEngine engine, PersistenceFactory factory)
Constructor creating new SQLStatementLoad.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`executeStatement(CastorConnection conn, Identity identity, ProposedEntity entity, AccessMode accessMode)`	Execute statement to load entity with given identity from database using given JDBC connection.

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

- Constructor Detail
  - SQLStatementLoad
```
public SQLStatementLoad(SQLEngine engine,
                        PersistenceFactory factory)
                 throws MappingException
```
    Constructor creating new SQLStatementLoad.
    
    Parameters:
    
    engine - SQLEngine to be used.
    
    factory - PersistenceFactory to be used.
    
    Throws:
    
    MappingException - If we get into trouble.
- Method Detail
  - executeStatement
```
public void executeStatement(CastorConnection conn,
                             Identity identity,
                             ProposedEntity entity,
                             AccessMode accessMode)
                      throws PersistenceException
```
    Execute statement to load entity with given identity from database using given JDBC connection.
    
    Parameters:
    
    conn - CastorConnection holding connection and PersistenceFactory to be used to create statement.
    
    identity - Identity of the object to remove.
    
    entity - The proposed entity to be filled with results.
    
    accessMode - Used to determine if query level locking should be used or not.
    
    Throws:
    
    PersistenceException - If failed to remove object from database. This could happen if a database access error occurs, type of one of the values to bind is ambiguous or object to be deleted does not exist.

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