本文整理了Java中com.hazelcast.jet.Util.entry()
方法的一些代码示例,展示了Util.entry()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Util.entry()
方法的具体详情如下:
包路径:com.hazelcast.jet.Util
类名称:Util
方法名:entry
[英]Returns a Map.Entry with the given key and value.
[中]返回一张地图。输入给定的键和值。
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private Entry<Long, Double> tfidfEntry(double logDf, Entry<Long, Double> docidTf) {
Long docId = docidTf.getKey();
double tf = docidTf.getValue();
double idf = logDocCount - logDf;
return entry(docId, tf * idf);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Entry<String, Double> tfidfEntry(double logDocCount, double logDf, Entry<String, Long> docIdTf) {
String docId = docIdTf.getKey();
double tf = docIdTf.getValue();
double idf = logDocCount - logDf;
return entry(docId, tf * idf);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Entry<Long, Double> tfidfEntry(Entry<Entry<Long, String>, Long> tfEntry, Double idf) {
final Long tf = tfEntry.getValue();
return entry(tfEntry.getKey().getKey(), tf * idf);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Entry<String, Double> tfidfEntry(Entry<Entry<String, String>, Long> tfEntry, Double idf) {
final Long tf = tfEntry.getValue();
return entry(tfEntry.getKey().getKey(), tf * idf);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
static Stream<Entry<String, String>> docLines(String name) {
try {
return Files.lines(Paths.get(TfIdfJdkStreams.class.getResource("books/" + name).toURI()))
.map(String::toLowerCase)
.map(line -> entry(name, line));
} catch (IOException | URISyntaxException e) {
throw new RuntimeException(e);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Stream<Entry<Long, String>> tokenize(Entry<Long, String> docLine) {
return Arrays.stream(TfIdfJdkStreams.DELIMITER.split(docLine.getValue()))
.filter(token -> !token.isEmpty())
.map(word -> entry(docLine.getKey(), word));
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
@Override
@SuppressWarnings("unchecked")
protected boolean tryProcess1(@Nonnull Object item) {
Entry<Entry<Long, String>, Long> e = (Entry<Entry<Long, String>, Long>) item;
long docId = e.getKey().getKey();
String word = e.getKey().getValue();
long tf = e.getValue();
wordDocTf.computeIfAbsent(word, w -> new ArrayList<>())
.add(entry(docId, (double) tf));
return true;
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private Stream<Entry<Long, String>> tokenize(Entry<Long, String> docLine) {
return Arrays.stream(DELIMITER.split(docLine.getValue()))
.filter(token -> !token.isEmpty())
.filter(token -> !stopwords.contains(token))
.map(word -> entry(docLine.getKey(), word));
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Stream<Entry<String, String>> tokenize(Entry<String, String> docLine) {
return Arrays.stream(TfIdfJdkStreams.DELIMITER.split(docLine.getValue()))
.filter(token -> !token.isEmpty())
.map(word -> entry(docLine.getKey(), word));
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
static Stream<Entry<Long, String>> docLines(Entry<Long, String> idAndName) {
try {
return Files.lines(Paths.get(TfIdfJdkStreams.class.getResource("books/" + idAndName.getValue()).toURI()))
.map(String::toLowerCase)
.map(line -> entry(idAndName.getKey(), line));
} catch (IOException | URISyntaxException e) {
throw new RuntimeException(e);
}
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private Entry<String, List<Entry<Long, Double>>> toInvertedIndexEntry(
Entry<String, List<Entry<Long, Double>>> wordDocTf
) {
String word = wordDocTf.getKey();
List<Entry<Long, Double>> docidTfs = wordDocTf.getValue();
return entry(word, docScores(docidTfs));
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Entry<String, Collection<Entry<String, Double>>> toInvertedIndexEntry(
double logDocCount,
String word,
Collection<Entry<String, Long>> docIdTfs
) {
return entry(word, docScores(logDocCount, docIdTfs));
}
代码示例来源:origin: hazelcast/hazelcast-jet
/**
* Convenience for {@link #kafka(Properties, DistributedFunction, String...)}
* wrapping the output in {@code Map.Entry}.
*/
@Nonnull
public static <K, V> StreamSource<Entry<K, V>> kafka(
@Nonnull Properties properties,
@Nonnull String ... topics
) {
return KafkaSources.<K, V, Entry<K, V>>kafka(properties, r -> entry(r.key(), r.value()), topics);
}
代码示例来源:origin: com.hazelcast.jet/hazelcast-jet-kafka
/**
* Convenience for {@link #kafka(Properties, DistributedFunction, String...)}
* wrapping the output in {@code Map.Entry}.
*/
@Nonnull
public static <K, V> StreamSource<Entry<K, V>> kafka(
@Nonnull Properties properties,
@Nonnull String ... topics
) {
return KafkaSources.<K, V, Entry<K, V>>kafka(properties, r -> entry(r.key(), r.value()), topics);
}
代码示例来源:origin: hazelcast/hazelcast-jet-demos
/**
* The actual classification of the images by using the pre-trained model.
*/
private static Entry<String, Double> classifyWithModel(ImageClassifierVggCifar10 classifier, BufferedImage image) {
Planar<GrayF32> planar = new Planar<>(GrayF32.class, image.getWidth(), image.getHeight(), 3);
ConvertBufferedImage.convertFromPlanar(image, planar, true, GrayF32.class);
classifier.classify(planar);
return classifier.getAllResults().stream()
.map(score -> entry(classifier.getCategories().get(score.category), score.score))
.max(Comparator.comparing(Entry::getValue)).get();
}
代码示例来源:origin: hazelcast/hazelcast-jet
/**
* Returns a projection that converts the {@link EventJournalCacheEvent} to a
* {@link java.util.Map.Entry} using the event's new value as a value.
*
* @see Sources#cacheJournal
* @see Sources#remoteCacheJournal
*/
public static <K, V> DistributedFunction<EventJournalCacheEvent<K, V>, Entry<K, V>> cacheEventToEntry() {
return e -> entry(e.getKey(), e.getNewValue());
}
代码示例来源:origin: hazelcast/hazelcast-jet
/**
* Returns a projection that converts the {@link EventJournalMapEvent} to a
* {@link java.util.Map.Entry} using the event's new value as a value.
*
* @see Sources#mapJournal
* @see Sources#remoteMapJournal
*/
public static <K, V> DistributedFunction<EventJournalMapEvent<K, V>, Entry<K, V>> mapEventToEntry() {
return e -> entry(e.getKey(), e.getNewValue());
}
代码示例来源:origin: hazelcast/hazelcast-jet
@Override
public Entry read(ObjectDataInput in) throws IOException {
return entry(in.readObject(), in.readObject());
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Pipeline buildPipeline(String connectionUrl) {
Pipeline p = Pipeline.create();
p.drawFrom(Sources.jdbc(connectionUrl,
"SELECT * FROM " + TABLE_NAME,
resultSet -> new User(resultSet.getInt(1), resultSet.getString(2))))
.map(user -> Util.entry(user.getId(), user))
.drainTo(Sinks.map(MAP_NAME));
return p;
}
代码示例来源:origin: hazelcast/hazelcast-jet-code-samples
private static Pipeline buildPipeline() {
Pipeline p = Pipeline.create();
p.drawFrom(AvroSources.filesBuilder(AvroSink.DIRECTORY_NAME, ReflectDatumReader<User>::new)
//Both Jet members share the same local file system
.sharedFileSystem(true)
.build())
.map(user -> Util.entry(user.getUsername(), user))
.drainTo(Sinks.map(AvroSink.MAP_NAME));
return p;
}
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