OracleQueryVisitor (Castor JavaDoc)

java.lang.Object
- org.castor.cpa.persistence.sql.query.visitor.DefaultQueryVisitor
- - org.castor.cpa.persistence.sql.query.visitor.DefaultDoubleQuoteNameQueryVisitor
  - - org.castor.cpa.persistence.sql.query.visitor.OracleQueryVisitor

All Implemented Interfaces:

Visitor
```
public final class OracleQueryVisitor
extends DefaultDoubleQuoteNameQueryVisitor
```
Visitor defining special behavior of query building for Oracle databases.

Version:

$Revision: 8469 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Dennis Butterstein

Field Summary
- Fields inherited from class org.castor.cpa.persistence.sql.query.visitor.DefaultQueryVisitor
  _queryString, LOG

Constructor Summary

Constructors
Constructor Description

OracleQueryVisitor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.String`	`getSequenceNextValString(java.lang.String seqName)`	Returns the database engine specific string to fetch sequence next value.
`protected void`	`handleLock(Select select)`	Method appending lock clauses as "FOR UPDATE" when needed.
`protected java.lang.String`	`quoteName(java.lang.String name)`	Method returning prepared string to match requirements of specific databases if needed.

Methods inherited from class org.castor.cpa.persistence.sql.query.visitor.DefaultDoubleQuoteNameQueryVisitor
doubleQuoteName

Methods inherited from class org.castor.cpa.persistence.sql.query.visitor.DefaultQueryVisitor
addTableNames, handleJoinConstruction, toString, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

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

- Constructor Detail
  - OracleQueryVisitor
```
public OracleQueryVisitor()
```
- Method Detail
  - quoteName
```
protected java.lang.String quoteName(java.lang.String name)
```
    Method returning prepared string to match requirements of specific databases if needed.
    
    Overrides:
    
    quoteName in class DefaultQueryVisitor
    
    Parameters:
    
    name - String to be prepared.
    
    Returns:
    
    Prepared string.
  - getSequenceNextValString
```
protected java.lang.String getSequenceNextValString(java.lang.String seqName)
```
    Returns the database engine specific string to fetch sequence next value.
    
    Overrides:
    
    getSequenceNextValString in class DefaultQueryVisitor
    
    Parameters:
    
    seqName - Name of the sequence.
    
    Returns:
    
    String to fetch sequence next value.
  - handleLock
```
protected void handleLock(Select select)
```
    Method appending lock clauses as "FOR UPDATE" when needed.
    
    Overrides:
    
    handleLock in class DefaultQueryVisitor
    
    Parameters:
    
    select - Select to check if locking-clauses have to be appended or not.