it.unibz.inf.ontop.cli

Class OntopMappingV1ToV3

java.lang.Object

it.unibz.inf.ontop.cli.OntopMappingV1ToV3

All Implemented Interfaces:

OntopCommand, Runnable

@Command(name="v1-to-v3",
         description="Clean mapping file (from Ontop v1) to be readable by Ontop v3. \nYou may still need to manually adjust the converted files. \nIt does the following jobs at our best effort: \n  (1) for Ontop native OBDA files, it extracts the jdbc connection info into a separate properties file\n  (2) for both Ontop native and R2RML files, for each full qualified columns (e.g `table1.col1`), it generates an alias (e.g `table1.col1 AS table1_col1`")
public class OntopMappingV1ToV3
extends Object
implements OntopCommand

Field Summary

Fields

Modifier and Type	Field and Description
protected String	outputMappingFile
protected boolean	overwriteFile
protected boolean	SIMPLIFY_SQL_PROJECTIONS

Constructor Summary

Constructors

Constructor and Description
OntopMappingV1ToV3()

Method Summary

Modifier and Type	Method and Description
protected String	extractMappingColumnsFromSQL(Set<String> args, String sql, String mapping)
protected String	extractSimpleTable(String sql)
protected String	getRenaming(Map<String,String> renaming, String selectClause, String mapping)
protected String	getSimplifiedProjection(String sql)
protected Set<String>	getTemplateColumns(String template)
void	processOBDA(File inputFile, File outputFile)
void	run()

Methods inherited from class java.lang.Object

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

Field Detail

outputMappingFile

@Option(type=COMMAND,
        name={"-o","--output"},
        title="mapping.obda",
        description="Output mapping file in R2RML (.ttl) or in Ontop native format (.obda)")
protected String outputMappingFile

SIMPLIFY_SQL_PROJECTIONS

@Option(type=COMMAND,
        name="--simplify-projection",
        description="Replace projection with * whenever possible in SQL queries")
protected boolean SIMPLIFY_SQL_PROJECTIONS

overwriteFile

@Option(type=COMMAND,
        name="--overwrite",
        description="Overwrite the mapping file given as input")
protected boolean overwriteFile

Constructor Detail

OntopMappingV1ToV3

public OntopMappingV1ToV3()

Method Detail

run

public void run()

Specified by:

run in interface Runnable

processOBDA

public void processOBDA(File inputFile,
                        File outputFile)
                 throws Exception

Throws:

Exception

getTemplateColumns

protected Set<String> getTemplateColumns(String template)

extractMappingColumnsFromSQL

protected String extractMappingColumnsFromSQL(Set<String> args,
                                              String sql,
                                              String mapping)

getRenaming

protected String getRenaming(Map<String,String> renaming,
                             String selectClause,
                             String mapping)

getSimplifiedProjection

protected String getSimplifiedProjection(String sql)

extractSimpleTable

protected String extractSimpleTable(String sql)