velosurf.model
Class Action

java.lang.Object
  velosurf.model.Action

Direct Known Subclasses:

Transaction

public class Action

extends java.lang.Object

This class correspond to custom update and delete queries

Author:

Claude Brisson

Field Summary

protected DBConnection	mDB the satabase connection
protected java.lang.String	mName the name of this action
protected java.util.List	mParamNames parameter names of this action
protected java.lang.String	mQuery query of this action

Constructor Summary

Action(DBConnection inDB, org.jdom.Element inJDOMAction)
Constructor

Method Summary

java.util.List	buildArrayList(DataAccessor inSource) get the list of values for all parameters
protected void	defineQuery(org.jdom.Element inJDOMAction) define the query from the XML tree
DBConnection	getDB() get the database connection
java.lang.String	getName() get the name of the action
static boolean	isTransaction(org.jdom.Element inElement) checks whether the action defined by this XML tree is a simple action or a transaction
int	perform(DataAccessor inSource) executes this action
java.lang.String	toString() for debugging purpose

Methods inherited from class java.lang.Object

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

Field Detail

mDB

protected DBConnection mDB

the satabase connection

mName

protected java.lang.String mName

the name of this action

mParamNames

protected java.util.List mParamNames

parameter names of this action

mQuery

protected java.lang.String mQuery

query of this action

Constructor Detail

Action

public Action(DBConnection inDB,
              org.jdom.Element inJDOMAction)

Constructor

Parameters:

inDB - database connection

inJDOMAction - the XML tree for this action

Method Detail

defineQuery

protected void defineQuery(org.jdom.Element inJDOMAction)

define the query from the XML tree

Parameters:

inJDOMAction - the XML tree

perform

public int perform(DataAccessor inSource)
            throws java.sql.SQLException

executes this action

Parameters:

inSource - the object on which apply the action

Returns:

number of impacted rows

Throws:

java.sql.SQLException - an SQL problem occurs

buildArrayList

public java.util.List buildArrayList(DataAccessor inSource)
                              throws java.sql.SQLException

get the list of values for all parameters

Parameters:

inSource - the DataAccessor

Returns:

the list of values

Throws:

java.sql.SQLException - thrown by the DataAccessor

getName

public java.lang.String getName()

get the name of the action

Returns:

the name

toString

public java.lang.String toString()

for debugging purpose

Returns:

definition string

getDB

public DBConnection getDB()

get the database connection

Returns:

the database connection

isTransaction

public static boolean isTransaction(org.jdom.Element inElement)

checks whether the action defined by this XML tree is a simple action or a transaction

Parameters:

inElement - XML tree defining an action

Returns:

true if the action is a transaction