org.makumba.providers.query.mql
Class MqlSQLParameterTransformer

java.lang.Object
  org.makumba.providers.query.mql.MqlSQLParameterTransformer

All Implemented Interfaces:

SQLParameterTransformer

public class MqlSQLParameterTransformer
extends Object
implements SQLParameterTransformer

MQL implementation of the SQLParameterTransformer, which generates SQL based on a QueryAnalysis

Version:

$Id: MqlSQLQueryGenerator.java,v 1.1 Mar 30, 2010 4:17:00 PM manu Exp $

Author:

Manuel Gay

Constructor Summary

MqlSQLParameterTransformer(MqlQueryAnalysis qA)

Method Summary

int	getArgumentCount() The number of arguments of the query
String	getSQLQuery(NameResolver nr) Provides the SQL query to be executed on the DBMS, with expanded and transformed parameters
DataDefinition	getSQLQueryArgumentTypes() Gets the types of the arguments
static MqlSQLParameterTransformer	getSQLQueryGenerator(MqlQueryAnalysis qA, Map<String,Object> args)
void	init(Map<String,Object> arguments) Initialises the SQLQueryGenerator.
static void	main(String[] args)
Object[]	toArgumentArray(Map<String,Object> arguments) Provides the arguments necessary in order to execute the query on the DBMS, in the order following the one of the query returned by #getSQLQuery(NameResolver, Object)

Methods inherited from class java.lang.Object

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

Constructor Detail

MqlSQLParameterTransformer

public MqlSQLParameterTransformer(MqlQueryAnalysis qA)

Method Detail

init

public void init(Map<String,Object> arguments)

Description copied from interface: SQLParameterTransformer

Initialises the SQLQueryGenerator. Called at resource configuration time

Specified by:

init in interface SQLParameterTransformer

getArgumentCount

public int getArgumentCount()

Description copied from interface: SQLParameterTransformer

The number of arguments of the query

Specified by:

getArgumentCount in interface SQLParameterTransformer

getSQLQueryArgumentTypes

public DataDefinition getSQLQueryArgumentTypes()

Description copied from interface: SQLParameterTransformer

Gets the types of the arguments

Specified by:

getSQLQueryArgumentTypes in interface SQLParameterTransformer

Returns:

a DataDefinition with the types of all the arguments

getSQLQuery

public String getSQLQuery(NameResolver nr)

Description copied from interface: SQLParameterTransformer

Provides the SQL query to be executed on the DBMS, with expanded and transformed parameters

Specified by:

getSQLQuery in interface SQLParameterTransformer

Parameters:

nr - the NameResolver used to resolve database-level table and field names

Returns:

the expanded SQL query String

toArgumentArray

public Object[] toArgumentArray(Map<String,Object> arguments)

Description copied from interface: SQLParameterTransformer

Provides the arguments necessary in order to execute the query on the DBMS, in the order following the one of the query returned by #getSQLQuery(NameResolver, Object)

Specified by:

toArgumentArray in interface SQLParameterTransformer

Returns:

an object array containing the ordered parameter values

getSQLQueryGenerator

public static MqlSQLParameterTransformer getSQLQueryGenerator(MqlQueryAnalysis qA,
                                                              Map<String,Object> args)

main

public static void main(String[] args)