net.sf.farrago.ddl
Class DdlSetSystemParamStmt

java.lang.Object
  net.sf.farrago.ddl.DdlStmt
      net.sf.farrago.ddl.DdlSetParamStmt
          net.sf.farrago.ddl.DdlSetSystemParamStmt

All Implemented Interfaces:

FarragoSessionDdlStmt

public class DdlSetSystemParamStmt
extends DdlSetParamStmt

DdlSetSystemParamStmt represents the ALTER SYSTEM SET ... statement.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/ddl/DdlSetSystemParamStmt.java#21 $

Author:

John V. Sichi

Constructor Summary

DdlSetSystemParamStmt(String paramName, SqlLiteral paramValue)
Constructs a new DdlSetSystemParamStmt.

Method Summary

protected void	handleImmutableParameter(FarragoSessionDdlValidator ddlValidator, InvalidNameException thrown) Handle immutable parameters.
protected void	handleInvalidName(FarragoSessionDdlValidator ddlValidator, InvalidNameException thrown) Handle invalide name exception.
protected void	handleReflectionException(FarragoSessionDdlValidator ddlValidator, Exception thrown) Handle reflection exception.
protected void	handleTypeMismatch(FarragoSessionDdlValidator ddlValidator, TypeMismatchException thrown) Handle type mismatch.
void	preValidate(FarragoSessionDdlValidator ddlValidator) Called before generic validation.
void	visit(DdlVisitor visitor) Invokes a visitor on this statement.

Methods inherited from class net.sf.farrago.ddl.DdlSetParamStmt

getParamName, getParamValue, preValidate

Methods inherited from class net.sf.farrago.ddl.DdlStmt

getModelElement, isDropRestricted, postCommit, postExecute, preExecute, requiresCommit, runsAsDml

Methods inherited from class java.lang.Object

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

Constructor Detail

DdlSetSystemParamStmt

public DdlSetSystemParamStmt(String paramName,
                             SqlLiteral paramValue)

Constructs a new DdlSetSystemParamStmt.

Parameters:

paramName - name of parameter to set

paramValue - new value for parameter

Method Detail

preValidate

public void preValidate(FarragoSessionDdlValidator ddlValidator)

Description copied from interface: FarragoSessionDdlStmt

Called before generic validation.

Specified by:

preValidate in interface FarragoSessionDdlStmt

Overrides:

preValidate in class DdlStmt

Parameters:

ddlValidator - the object validating this stmt

handleInvalidName

protected void handleInvalidName(FarragoSessionDdlValidator ddlValidator,
                                 InvalidNameException thrown)

Description copied from class: DdlSetParamStmt

Handle invalide name exception. Called when DdlSetParamStmt.paramName is not recognized as a member of the RefObject passed to DdlSetParamStmt.preValidate(FarragoSessionDdlValidator, RefObject, RefObject).

Specified by:

handleInvalidName in class DdlSetParamStmt

Parameters:

ddlValidator - the object passed to DdlSetParamStmt.preValidate(net.sf.farrago.session.FarragoSessionDdlValidator, javax.jmi.reflect.RefObject, javax.jmi.reflect.RefObject).

thrown - the InvalidNameException generated

handleReflectionException

protected void handleReflectionException(FarragoSessionDdlValidator ddlValidator,
                                         Exception thrown)

Description copied from class: DdlSetParamStmt

Handle reflection exception. Called when a reflection error occurs while performing type conversion on DdlSetParamStmt.paramValue.

Specified by:

handleReflectionException in class DdlSetParamStmt

Parameters:

ddlValidator - the object passed to DdlSetParamStmt.preValidate(net.sf.farrago.session.FarragoSessionDdlValidator, javax.jmi.reflect.RefObject, javax.jmi.reflect.RefObject).

thrown - the Exception

handleImmutableParameter

protected void handleImmutableParameter(FarragoSessionDdlValidator ddlValidator,
                                        InvalidNameException thrown)

Description copied from class: DdlSetParamStmt

Handle immutable parameters. Called when DdlSetParamStmt.paramName is an immutable parameter of the RefObject passed to DdlSetParamStmt.preValidate(FarragoSessionDdlValidator, RefObject, RefObject).

Specified by:

handleImmutableParameter in class DdlSetParamStmt

Parameters:

ddlValidator - the object passed to DdlSetParamStmt.preValidate(net.sf.farrago.session.FarragoSessionDdlValidator, javax.jmi.reflect.RefObject, javax.jmi.reflect.RefObject).

thrown - the InvalidNameException generated (which in this case indicates an immutable parameter)

handleTypeMismatch

protected void handleTypeMismatch(FarragoSessionDdlValidator ddlValidator,
                                  TypeMismatchException thrown)

Description copied from class: DdlSetParamStmt

Handle type mismatch. Called when DdlSetParamStmt.paramValue has successfully undergone type conversion but is not the expected type.

Specified by:

handleTypeMismatch in class DdlSetParamStmt

Parameters:

ddlValidator - the object passed to DdlSetParamStmt.preValidate(net.sf.farrago.session.FarragoSessionDdlValidator, javax.jmi.reflect.RefObject, javax.jmi.reflect.RefObject).

thrown - the TypeMismatchException thrown

visit

public void visit(DdlVisitor visitor)

Description copied from class: DdlStmt

Invokes a visitor on this statement.

Specified by:

visit in class DdlStmt

Parameters:

visitor - DdlVisitor to invoke