本文整理了Java中java.util.stream.LongStream.empty()方法的一些代码示例，展示了LongStream.empty()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。LongStream.empty()方法的具体详情如下：
包路径：java.util.stream.LongStream
类名称：LongStream
方法名：empty

LongStream.empty介绍

暂无

代码示例

代码示例来源：origin: neo4j/neo4j

@Override
public LongStream findLogVersionsToDelete( long upToLogVersion )
{
  // Never delete anything.
  return LongStream.empty();
}

代码示例来源：origin: speedment/speedment

private static LongStream empty() {
  return LongStream.empty();
}

代码示例来源：origin: google/guava

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: prestodb/presto

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: google/j2objc

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: ben-manes/caffeine

@Override
 public LongStream events() throws IOException {
  return lines().flatMapToLong(line -> {
   String[] array = line.split(",", 5);
   if (array.length <= 4) {
    return LongStream.empty();
   }
   long startBlock = Long.parseLong(array[1]);
   int size = Integer.parseInt(array[2]);
   int sequence = IntMath.divide(size, BLOCK_SIZE, RoundingMode.UP);
   char readWrite = Character.toLowerCase(array[3].charAt(0));
   return (readWrite == 'w')
     ? LongStream.empty()
     : LongStream.range(startBlock, startBlock + sequence);
  });
 }
}

代码示例来源：origin: wildfly/wildfly

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: speedment/speedment

@Override
  public TS build(boolean parallel) {
    if (Stream.class.equals(streamType)) {
      @SuppressWarnings("unchecked")
      final TS result = (TS) Stream.empty();
      return result;
    } else if (IntStream.class.equals(streamType)) {
      @SuppressWarnings("unchecked")
      final TS result = (TS) IntStream.empty();
      return result;
    } else if (LongStream.class.equals(streamType)) {
      @SuppressWarnings("unchecked")
      final TS result = (TS) LongStream.empty();
      return result;
    } else if (DoubleStream.class.equals(streamType)) {
      @SuppressWarnings("unchecked")
      final TS result = (TS) DoubleStream.empty();
      return result;
    } else {
      throw new UnsupportedOperationException(
        "Unknown stream type '" + streamType.getName() + "'."
      );
    }
  }
}

代码示例来源：origin: neo4j/neo4j

return LongStream.empty();

代码示例来源：origin: neo4j/neo4j

@Test
  public void mustNotHaveLogsFilesToPruneIfStrategyFindsNoFiles()
  {
    when( factory.strategyFromConfigValue( eq( fs ), eq( logFiles ), eq( clock ), anyString() ) )
        .thenReturn(  x -> LongStream.empty() );
    LogPruning pruning = new LogPruningImpl( fs, logFiles, logProvider, factory, clock, config );
    assertFalse( pruning.mightHaveLogsToPrune() );
  }
}

代码示例来源：origin: neo4j/neo4j

return LongStream.empty();
  return LongStream.empty();
return LongStream.empty();

代码示例来源：origin: google/guava

public void testCopyOf_stream() {
 assertThat(ImmutableLongArray.copyOf(LongStream.empty())).isSameAs(ImmutableLongArray.of());
 assertThat(ImmutableLongArray.copyOf(LongStream.of(0, 1, 3)).asList())
   .containsExactly(0L, 1L, 3L)
   .inOrder();
}

代码示例来源：origin: google/guava

public void testConcat_longStream() {
 assertThat(
     Streams.concat(
       LongStream.of(1), LongStream.of(2), LongStream.empty(), LongStream.of(3, 4)))
   .containsExactly(1L, 2L, 3L, 4L)
   .inOrder();
}

代码示例来源：origin: neo4j-contrib/neo4j-apoc-procedures

@SuppressWarnings("unchecked")
public static LongStream ids(Object ids) {
  if (ids == null) return LongStream.empty();
  if (ids instanceof Number) return LongStream.of(((Number)ids).longValue());
  if (ids instanceof Node) return LongStream.of(((Node)ids).getId());
  if (ids instanceof Relationship) return LongStream.of(((Relationship)ids).getId());
  if (ids instanceof Collection) {
    Collection<Object> coll = (Collection<Object>) ids;
    return coll.stream().mapToLong( (o) -> ((Number)o).longValue());
  }
  if (ids instanceof Iterable) {
    Spliterator<Object> spliterator = ((Iterable) ids).spliterator();
    return StreamSupport.stream(spliterator,false).mapToLong( (o) -> ((Number)o).longValue());
  }
  throw new RuntimeException("Can't convert "+ids.getClass()+" to a stream of long ids");
}

代码示例来源：origin: Mojang/DataFixerUpper

return outOps.createLongList(inOps.getLongStream(input).orElse(LongStream.empty()));

代码示例来源：origin: org.neo4j/neo4j-kernel

@Override
public LongStream findLogVersionsToDelete( long upToLogVersion )
{
  // Never delete anything.
  return LongStream.empty();
}

代码示例来源：origin: com.facebook.presto/presto-jdbc

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: seznam/euphoria

/**
 * If a value is present in {@code optional}, returns a stream containing only that element,
 * otherwise returns an empty stream.
 *
 * <p><b>Java 9 users:</b> use {@code optional.stream()} instead.
 */
public static LongStream stream(OptionalLong optional) {
 return optional.isPresent() ? LongStream.of(optional.getAsLong()) : LongStream.empty();
}

代码示例来源：origin: hazelcast/hazelcast-jet

/**
 * Returns a stream of {@code long}s:
 * {@code for (long i = start; i <= end; i += step) yield i;}
 */
private static LongStream range(long start, long end, long step) {
  return start > end
      ? LongStream.empty()
      : LongStream.iterate(start, n -> n + step).limit(1 + (end - start) / step);
}

代码示例来源：origin: com.google.guava/guava-tests

public void testCopyOf_stream() {
 assertThat(ImmutableLongArray.copyOf(LongStream.empty())).isSameAs(ImmutableLongArray.of());
 assertThat(ImmutableLongArray.copyOf(LongStream.of(0, 1, 3)).asList())
   .containsExactly(0L, 1L, 3L)
   .inOrder();
}