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humanProcessing.java
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humanProcessing.java
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package org.wikidata.wdtk.examples;
/*
* #%L
* Wikidata Toolkit Examples
* %%
* Copyright (C) 2014 Wikidata Toolkit Developers
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import java.util.Map.Entry;
import org.wikidata.wdtk.datamodel.interfaces.Claim;
import org.wikidata.wdtk.datamodel.interfaces.EntityDocumentProcessor;
import org.wikidata.wdtk.datamodel.interfaces.EntityIdValue;
import org.wikidata.wdtk.datamodel.interfaces.ItemDocument;
import org.wikidata.wdtk.datamodel.interfaces.PropertyDocument;
import org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue;
import org.wikidata.wdtk.datamodel.interfaces.Reference;
import org.wikidata.wdtk.datamodel.interfaces.Snak;
import org.wikidata.wdtk.datamodel.interfaces.SnakGroup;
import org.wikidata.wdtk.datamodel.interfaces.Statement;
import org.wikidata.wdtk.datamodel.interfaces.StatementGroup;
import org.wikidata.wdtk.datamodel.interfaces.ValueSnak;
import org.wikidata.wdtk.dumpfiles.DumpProcessingController;
import org.wikidata.wdtk.dumpfiles.MwRevision;
import org.wikidata.wdtk.dumpfiles.MwRevisionProcessor;
import org.wikidata.wdtk.dumpfiles.StatisticsMwRevisionProcessor;
/**
* This class demonstrates how to write an application that downloads and
* processes dumpfiles from Wikidata.org.
*
* @author Markus Kroetzsch
*
*/
public class humanProcessing {
public static void main(String[] args) throws IOException {
// Define where log messages go
//ExampleHelpers.configureLogging();
// Print information about this program
printDocumentation();
// Controller object for processing dumps:
DumpProcessingController dumpProcessingController = new DumpProcessingController(
"wikidatawiki");
// // Work offline (using only previously fetched dumps):
// dumpProcessingController.setOfflineMode(true);
// // Use any download directory:
// dumpProcessingController.setDownloadDirectory(System.getProperty("user.dir"));
// Our local example class ItemStatisticsProcessor counts the number of
// labels etc. in Wikibase item documents to print out some statistics:
EntityDocumentProcessor edpItemStats = new ItemStatisticsProcessor();
// Subscribe to the most recent entity documents of type wikibase item:
dumpProcessingController.registerEntityDocumentProcessor(edpItemStats,
MwRevision.MODEL_WIKIBASE_ITEM, true);
// General statistics and time keeping:
MwRevisionProcessor rpRevisionStats = new StatisticsMwRevisionProcessor(
"revision processing statistics", 10000);
// Subscribe to all current revisions (null = no filter):
dumpProcessingController.registerMwRevisionProcessor(rpRevisionStats,
null, true);
// Start processing (may trigger downloads where needed):
// Process all recent dumps (including daily dumps as far as avaiable)
dumpProcessingController.processAllRecentRevisionDumps();
// // Alternatively: Process just a recent daily dump (for testing):
// dumpProcessingController.processMostRecentDailyDump();
// // Alternatively: Process just the most recent main dump:
// dumpProcessingController.processMostRecentMainDump();
}
/**
* Print some basic documentation about this program.
*/
private static void printDocumentation() {
System.out
.println("********************************************************************");
System.out.println("*** Wikidata Toolkit: Dump Processing Example");
System.out.println("*** ");
System.out
.println("*** This program will download and process dumps from Wikidata.");
System.out
.println("*** It will print progress information and some simple statistics.");
System.out
.println("*** Downloading may take some time initially. After that, files");
System.out
.println("*** are stored on disk and are used until newer dumps are available.");
System.out
.println("*** You can delete files manually when no longer needed (see ");
System.out
.println("*** message below for the directory where files are found).");
System.out
.println("********************************************************************");
}
/**
* A simple example class that processes EntityDocuments to compute basic
* statistics that are printed to the standard output. Moreover, that shows
* how often certain properties are used in the data. This CSV file is
* stored under the name property-counts.csv.
* <p>
* This could be replaced with any other class that processes entity
* documents in some way.
*
* @author Markus Kroetzsch
*
*/
static class ItemStatisticsProcessor implements EntityDocumentProcessor {
long countItems = 0;
long countP31Items = 0;
long countP31_5Items = 0;
long countP31_5_24langsItems = 0;
Set<String> langs24 = new HashSet<String>
(Arrays.asList("enwiki", "nlwiki", "dewiki", "frwiki", "eswiki", "itwiki", "ptwiki", "elwiki", "dawiki", "svwiki", "plwiki", "huwiki", "ruwiki", "hewiki", "trwiki", "arwiki", "fawiki", "hiwiki", "mswiki", "thwiki", "viwiki", "zhwiki", "kowiki", "jawiki"));
private Boolean inLangs24(Set incomingKeySet){
Set<String> intersection = new HashSet<String>(langs24);
intersection.retainAll(incomingKeySet);
if (intersection.isEmpty()){
return false;
}
else{return true;}
}
@Override
public void processItemDocument(ItemDocument itemDocument) {
this.countItems++;
for (StatementGroup sg : itemDocument.getStatementGroups()) {
for (Statement si: sg.getStatements()) {
String PID = si.getClaim().getMainSnak().getPropertyId().getId().toString();
if (PID.equals("P31")) {
this.countP31Items++;
try{
ValueSnak vs = (ValueSnak) si.getClaim().getMainSnak();
String VID = vs.getValue().toString();
if (VID.equals("(ItemId)http://www.wikidata.org/entity//Q5")){
this.countP31_5Items++;
if (inLangs24(itemDocument.getSiteLinks().keySet())){
this.countP31_5_24langsItems++;
}
}
}
catch(java.lang.ClassCastException castE){
System.out.println("some error herer");
}
}
}
}
// print a report every 10000 items:
if (this.countItems % 10000 == 0) {
printReport();
}
}
@Override
public void processPropertyDocument(PropertyDocument propertyDocument) {
// ignore properties
// (in fact, the above code does not even register the processor for
// receiving properties)
}
@Override
public void finishProcessingEntityDocuments() {
printReport(); // print a final report
System.out.println("Finito");
}
/**
* Prints a report about the statistics gathered so far.
*/
private void printReport() {
System.out.println("Processed " + this.countItems + " items:");
System.out.println("Processed " + this.countP31Items + " P31 items:");
System.out.println("Processed " + this.countP31_5Items + " P31 items with Q5:");
System.out.println("Processed " + this.countP31_5_24langsItems + " P31 items with Q5 and in 24langs:");
}
}
}