java.util.stream.Stream.close()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.util.stream.Stream.close()方法的一些代码示例,展示了Stream.close()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。Stream.close()方法的具体详情如下:
包路径:java.util.stream.Stream
类名称:Stream
方法名:close

Stream.close介绍

暂无

代码示例

代码示例来源:origin: gocd/gocd

@Override
public void close() {
  if (null != stream) {
    stream.close();
  }
  stream = null;
  iterator = null;
}

代码示例来源:origin: wildfly/wildfly

@Override
  public void close() throws RealmUnavailableException {
    resultStream.close();
    closeContext(dirContext);
  }
};

代码示例来源:origin: speedment/speedment

/**
 * Closes this stream, causing all close handlers for this stream pipeline
 * to be called.
 *
 * @see AutoCloseable#close()
 */
@Override
public void close() {
  inner.close();
}

代码示例来源:origin: AxonFramework/AxonFramework

@Override
  public void close() {
    closed = true;
    if (eventStream != null) {
      eventStream.close();
    }
  }
}

代码示例来源:origin: AxonFramework/AxonFramework

private void closePrivateStream() {
    Optional.ofNullable(privateStream).ifPresent(stream -> {
      privateStream = null;
      privateIterator = null;
      stream.close();
    });
  }
}

代码示例来源:origin: CalebFenton/simplify

private static String getClassName(File inputFile) throws FileNotFoundException {
  try {
    Path myPath = Paths.get(inputFile.toURI());
    Stream<String> lines = Files.lines(myPath);
    Optional<String> firstClassLine = lines.filter(s -> s.startsWith(".class ")).findFirst();
    lines.close();
    if (!firstClassLine.isPresent()) {
      throw new RuntimeException("Missing class directive in " + inputFile);
    }
    String line = firstClassLine.get();
    Matcher m = CLASS_PATTERN.matcher(line);
    if (!m.find()) {
      throw new RuntimeException("Strange class directive: " + line);
    }
    return m.group(1);
  } catch (IOException e) {
    throw new RuntimeException("Unable to read class name in " + inputFile, e);
  }
}

代码示例来源:origin: google/guava

public void testConcat_refStream_closeIsPropagated_Stream_concat() {
 // Just to demonstrate behavior of Stream::concat in the standard library
 AtomicInteger closeCountB = new AtomicInteger(0);
 Stream<String> streamB = Stream.of("b").onClose(closeCountB::incrementAndGet);
 Stream<String> concatenated =
   Stream.<Stream<String>>of(Stream.of("a"), streamB, Stream.empty(), Stream.of("c", "d"))
     .reduce(Stream.empty(), Stream::concat);
 assertThat(concatenated).containsExactly("a", "b", "c", "d").inOrder();
 concatenated.close();
 Truth.assertThat(closeCountB.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

private void testMapWithIndex_closeIsPropagated(Stream<String> source) {
 AtomicInteger stringsCloseCount = new AtomicInteger();
 Stream<String> strings = source.onClose(stringsCloseCount::incrementAndGet);
 Stream<String> withIndex = Streams.mapWithIndex(strings, (str, i) -> str + ":" + i);
 withIndex.close();
 Truth.assertThat(stringsCloseCount.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

public void testConcat_refStream_closeIsPropagated_Stream_flatMap() {
 // Just to demonstrate behavior of Stream::flatMap in the standard library
 AtomicInteger closeCountB = new AtomicInteger(0);
 Stream<String> streamB = Stream.of("b").onClose(closeCountB::incrementAndGet);
 Stream<String> concatenated =
   Stream.<Stream<String>>of(Stream.of("a"), streamB, Stream.empty(), Stream.of("c", "d"))
     .flatMap(x -> x);
 assertThat(concatenated).containsExactly("a", "b", "c", "d").inOrder();
 concatenated.close();
 // even without close, see doc for flatMap
 Truth.assertThat(closeCountB.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

private void testMapWithIndex_longStream_closeIsPropagated(LongStream source) {
 AtomicInteger longStreamCloseCount = new AtomicInteger();
 LongStream longStream = source.onClose(longStreamCloseCount::incrementAndGet);
 Stream<String> withIndex = Streams.mapWithIndex(longStream, (str, i) -> str + ":" + i);
 withIndex.close();
 Truth.assertThat(longStreamCloseCount.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

public void testZip_closeIsPropagated() {
 AtomicInteger lettersCloseCount = new AtomicInteger();
 Stream<String> letters = Stream.of("a", "b", "c").onClose(lettersCloseCount::incrementAndGet);
 AtomicInteger numbersCloseCount = new AtomicInteger();
 Stream<Integer> numbers = Stream.of(1, 2, 3).onClose(numbersCloseCount::incrementAndGet);
 Stream<String> zipped = Streams.zip(letters, numbers, (a, b) -> a + ":" + b);
 zipped.close();
 Truth.assertThat(lettersCloseCount.get()).isEqualTo(1);
 Truth.assertThat(numbersCloseCount.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

private void testMapWithIndex_intStream_closeIsPropagated(IntStream source) {
 AtomicInteger intStreamCloseCount = new AtomicInteger();
 IntStream intStream = source.onClose(intStreamCloseCount::incrementAndGet);
 Stream<String> withIndex = Streams.mapWithIndex(intStream, (str, i) -> str + ":" + i);
 withIndex.close();
 Truth.assertThat(intStreamCloseCount.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

private void testMapWithIndex_doubleStream_closeIsPropagated(DoubleStream source) {
 AtomicInteger doubleStreamCloseCount = new AtomicInteger();
 DoubleStream doubleStream = source.onClose(doubleStreamCloseCount::incrementAndGet);
 Stream<String> withIndex = Streams.mapWithIndex(doubleStream, (str, i) -> str + ":" + i);
 withIndex.close();
 Truth.assertThat(doubleStreamCloseCount.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

public void testConcat_refStream_closeIsPropagated() {
 AtomicInteger closeCountB = new AtomicInteger(0);
 Stream<String> streamB = Stream.of("b").onClose(closeCountB::incrementAndGet);
 Stream<String> concatenated =
   Streams.concat(Stream.of("a"), streamB, Stream.empty(), Stream.of("c", "d"));
 assertThat(concatenated).containsExactly("a", "b", "c", "d").inOrder();
 concatenated.close();
 Truth.assertThat(closeCountB.get()).isEqualTo(1);
}

代码示例来源:origin: google/guava

() -> {
 for (Stream<? extends T> stream : streams) {
  stream.close();

代码示例来源:origin: spring-projects/spring-security

@Test
  public void filterStreamWhenClosedThenUpstreamGetsClosed() {
    final Stream<?> upstream = mock(Stream.class);
    doReturn(Stream.<String>empty()).when(upstream).filter(any());

    Expression expression = handler.getExpressionParser().parseExpression("true");

    EvaluationContext context = handler.createEvaluationContext(authentication,
        methodInvocation);

    ((Stream) handler.filter(upstream, expression, context)).close();
    verify(upstream).close();
  }
}

代码示例来源:origin: google/j2objc

() -> {
 for (Stream<? extends T> stream : streams) {
  stream.close();

代码示例来源:origin: wildfly/wildfly

() -> {
 for (Stream<? extends T> stream : streams) {
  stream.close();

代码示例来源:origin: prestodb/presto

() -> {
 for (Stream<? extends T> stream : streams) {
  stream.close();

代码示例来源:origin: hibernate/hibernate-orm

@Test
public void basicStreamTest() {
  Session session = openSession();
  session.getTransaction().begin();
  // mainly we want to make sure that closing the Stream releases the ScrollableResults too
  assertThat( ( (SessionImplementor) session ).getJdbcCoordinator().getLogicalConnection().getResourceRegistry().hasRegisteredResources(), is( false ) );
  final Stream<MyEntity> stream = session.createQuery( "from MyEntity", MyEntity.class ).stream();
  assertThat( ( (SessionImplementor) session ).getJdbcCoordinator().getLogicalConnection().getResourceRegistry().hasRegisteredResources(), is( true ) );
  stream.forEach( System.out::println );
  assertThat( ( (SessionImplementor) session ).getJdbcCoordinator().getLogicalConnection().getResourceRegistry().hasRegisteredResources(), is( true ) );
  stream.close();
  assertThat( ( (SessionImplementor) session ).getJdbcCoordinator().getLogicalConnection().getResourceRegistry().hasRegisteredResources(), is( false ) );
  session.getTransaction().commit();
  session.close();
}

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