/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.owl2rl.owlToRif;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import lupos.rif.BasicIndexRuleEvaluator;
import lupos.owl2rl.parser.ParserResults;
import lupos.owl2rl.parser.TemplatesRuleParser;
public class InferenceRulesGeneratorSetup {
/**Current Generator**/
private static InferenceRulesGenerator gen;
/** Whether Information should be printed or not **/
private boolean printOn=true;
/**Saves parsed rules for type of ruleset**/
private HashMap<String,ParserResults> parserResultsMap=new HashMap<String, ParserResults>();
/**
* Init InferenceRulesGenerator with rule templates from file
* @param ontology
* @param MethodType
* @param file
*/
public void init(String ontology, String file){
init(ontology, createInputStream(file), file);
}
/**
* Init InferenceRulesGenerator with rule templates from InputStream
* @param ontology
* @param rules
* @param key
*/
public void init(String ontology, InputStream rules, String key){
// Reuse old parsed rule set if exists...
//...if not, create new parser and save results
if(!this.parserResultsMap.containsKey(key)){
TemplatesRuleParser parser= new TemplatesRuleParser();
parser.start(rules);
this.parserResultsMap.put(key, parser.getResults());
}
//Reuse old generator if exists...
//..if not create new
if(gen==null){
gen=new InferenceRulesGenerator(this.printOn);
}
//set the results for the corresponding MethodType
gen.setParserResults(this.parserResultsMap.get(key));
gen.start(ontology);
}
/**Returns the Initialized Generator
*
* @return initialized Generator
*/
public InferenceRulesGenerator getGenerator() {
return gen;
}
/**Set wether or not debug Information and emitted Rules should be printed on System.out
*
* @param printOn
*/
public void setPrintOnOrOff(boolean printOn){
this.printOn=printOn;
if(gen!=null)
gen.setPrintOnOrOff(this.printOn);
}
/**Create an InputStream from file Contents
*
* @param file
* @return generated InputStream
*/
private static InputStream createInputStream(final String file) {
try {
try {
return InferenceRulesGeneratorSetup.class.getResource(file).openStream();
} catch (IOException e1) {
return new FileInputStream(InferenceRulesGeneratorSetup.class.getResource(file).getFile());
}
} catch (FileNotFoundException e) {
e.printStackTrace();
System.err.println("File not found! Could not create Input Stream in "
+ "InferenceRulesGeneratorSetup" + " from file: \"" + file + "\"");
}
return null;
}
public void initWithEvaluator(BasicIndexRuleEvaluator ruleEvaluator, String rules, String key) {
// Reuse old parsed rule set if exists...
//...if not, create new parser and save results
if(!this.parserResultsMap.containsKey(key)){
TemplatesRuleParser parser= new TemplatesRuleParser();
parser.start(createInputStream(rules));
this.parserResultsMap.put(key, parser.getResults());
}
//Reuse old generator if exists...
//..if not create new
if(gen==null){
gen=new InferenceRulesGenerator(this.printOn);
}
//set the results for the corresponding MethodType
gen.setParserResults(this.parserResultsMap.get(key));
gen.start(ruleEvaluator);
}
}