StringurlString="http://localhost:8983/solr/sandbox";Propertiesprops=newProperties();props.setProperty("debug","false");props.setProperty("field[0].name","id");props.setProperty("field[0].type","String");props.setProperty("field[1].name","text");props.setProperty("field[1].type","String");props.setProperty("field[2].name","field1");props.setProperty("field[2].type","String");props.setProperty("field[3].name","field2");props.setProperty("field[3].type","String[]");props.setProperty("field[4].name","field3");props.setProperty("field[4].type","Long[]");props.setProperty("field[5].name","field4");props.setProperty("field[5].type","Double[]");props.setProperty("field[6].name","field5");props.setProperty("field[6].type","Long");props.setProperty("field[7].name","field6");props.setProperty("field[7].type","Double");Stringjson="{"//+"'id':'001'"//+",'text':'This is test.'"//+",'field1':'fieldvalue001'"//+",'field2':['fieldvalue001']"//+",'field3':[1,2,3]"//+",'field4':[0.1,0.2,0.3]"//+",'field5':123"//+",'field6':0.123"//+"}";SolrJsonImporterutil=newSolrJsonImporter(urlString);util.setProperties(props);System.err.println(util.add(json));util.commit();
packagemk42;importjava.util.Arrays;importjava.util.List;importjava.util.Objects;importjava.util.function.Consumer;importjava.util.function.Function;importjava.util.function.Supplier;importjava.util.function.UnaryOperator;importjava.util.stream.Collectors;publicclassProcessingTest{publicstaticvoidmain(String[]args){longstartTime=System.nanoTime();run(generate.get());longendTime=System.nanoTime();Mk42.echo.accept("Processing Time : "+(endTime-startTime)+" ns");}/**
* Processing speed test.
*
* @param list
*/privatestaticvoidrun(List<String>list){try{// fastestMk42.echo.accept(list.stream().filter(Objects::nonNull).map(add3.andThen(convertInt)).mapToInt(v->v).sum());// normalMk42.echo.accept(list.stream().filter(Objects::nonNull).map(add3.andThen(convertInt)).collect(Collectors.summingInt(Integer::intValue)));// badall.accept(list);}catch(NumberFormatExceptione){Mk42.echo.accept(join.apply(list));}}/** A series of processing */staticConsumer<List<String>>all=v->{Mk42.echo.accept(v.stream().filter(Objects::nonNull).map(x->x+"3").map(Integer::parseInt).mapToInt(z->z).sum());};/** Add 3 */staticUnaryOperator<String>add3=v->v+"3";/** Convert to Integer */staticFunction<Object,Integer>convertInt=v->Integer.parseInt(String.valueOf(v));/** Join with comma */staticFunction<List<String>,String>join=v->v.stream().collect(Collectors.joining(","));/** Generate List which can convert to Integer */staticSupplier<List<String>>generate=()->Arrays.asList(null,"1","2","3","4","5");}
ちなみにMk42とは
Mk42.java
packagemk42;importjava.util.Arrays;importjava.util.List;importjava.util.Optional;importjava.util.function.Consumer;importjava.util.function.Function;importjava.util.function.Predicate;importjava.util.function.Supplier;/**
* Answer to the Ultimate Question of Life, the Universe, and Everything.
*/publicclassMk42{/** echo */publicstaticConsumer<Object>echo=v->System.out.println(v);/** not null */publicstaticPredicate<Object>notNull=v->Optional.ofNullable(v).isPresent();/** sum list */publicstaticFunction<List<Integer>,Integer>sum=v->v.stream().filter(notNull).mapToInt(i->i).sum();/** generate String list */publicstaticSupplier<List<String>>strList=()->Arrays.asList(null,""," ","a","0");/** generate Integer list */publicstaticSupplier<List<Integer>>intList=()->Arrays.asList(null,1,2,3,4,5);}
importjava.io.IOException;importjava.text.SimpleDateFormat;importjava.util.Date;importorg.apache.solr.client.solrj.SolrClient;importorg.apache.solr.client.solrj.SolrServerException;importorg.apache.solr.client.solrj.impl.HttpSolrClient;importorg.apache.solr.client.solrj.response.UpdateResponse;importorg.apache.solr.common.SolrInputDocument;publicclassHelloDocumentAdd2{publicstaticvoidmain(String[]args)throwsSolrServerException,IOException{StringurlString="http://localhost:8983/solr/sandbox";SolrClientsolr=newHttpSolrClient.Builder(urlString).build();SolrInputDocumentdocument=newSolrInputDocument();document.addField("id","5");document.addField("field_text_en","This is test. for Date formatting ");document.addField("field_location_string","ja");{StringdateNow=(newSimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss")).format(newDate());System.err.println(dateNow);document.addField("field_date",dateNow);}UpdateResponseresponse=solr.add(document);// throws SolrServerException,IOExceptionSystem.err.println(response);// Remember to commit your changes!solr.commit();}}
publicstaticclassVolumeChangedActionReceiverextendsBroadcastReceiver{@OverridepublicvoidonReceive(Contextcontext,Intentintent){if(intent.getAction().equals("android.media.VOLUME_CHANGED_ACTION")){intnewVolume=intent.getIntExtra("android.media.EXTRA_VOLUME_STREAM_VALUE",0);intoldVolume=intent.getIntExtra("android.media.EXTRA_PREV_VOLUME_STREAM_VALUE",0);intstreamType=intent.getIntExtra("android.media.EXTRA_VOLUME_STREAM_TYPE",0);if(streamType==AudioManager.STREAM_MUSIC){// TODO: write your code}}}}
