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Java Pipe類代碼示例

本文整理匯總了Java中java.nio.channels.Pipe類的典型用法代碼示例。如果您正苦於以下問題：Java Pipe類的具體用法？Java Pipe怎麽用？Java Pipe使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


Pipe類屬於java.nio.channels包，在下文中一共展示了Pipe類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getImagesData

import java.nio.channels.Pipe; //導入依賴的package包/類
/**
 * {@inheritDoc}
 */
@Override
public ReadableByteChannel getImagesData() {

	// Leverage the raw frame decoder as input to the colour decoder
	Pipe pipe = null;
	try {
		pipe = Pipe.open();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
		return null;
	}
	decoderthreadpool.execute(new ColourFrameDecoder(getRawImageData(), pipe.sink()));
	return pipe.source();
}
開發者ID:Cr0s，項目名稱:JavaRA，代碼行數:19，代碼來源:WsaFileCNC.java

示例2: getImpl

import java.nio.channels.Pipe; //導入依賴的package包/類
@Override
public <T> T getImpl(Class<? extends T> cl)
{
   if (InputStream.class.isAssignableFrom(cl))
   {
      try
      {
         Pipe pipe = Pipe.open();
         DownloadTask dltask = new DownloadTask(pipe);
         Thread download_thread = new Thread(dltask, "Product Download");
         download_thread.start();

         InputStream is = Channels.newInputStream(pipe.source());
         return cl.cast(is);
      }
      catch (IOException ex)
      {
         LOGGER.error("could not create pipe", ex);
      }
   }
   return null;
}
開發者ID:SentinelDataHub，項目名稱:dhus-core，代碼行數:23，代碼來源:DownloadableProduct.java

示例3: main

import java.nio.channels.Pipe; //導入依賴的package包/類
public static void main(String[] args) throws Exception {

        // Load necessary classes ahead of time
        DatagramChannel dc = DatagramChannel.open();
        Exception se = new SocketException();
        SelectorProvider sp = SelectorProvider.provider();
        Pipe p = sp.openPipe();
        ServerSocketChannel ssc = ServerSocketChannel.open();

        test1();
        test2();
        test3();
        test4();
    }
開發者ID:AdoptOpenJDK，項目名稱:openjdk-jdk10，代碼行數:15，代碼來源:Open.java

示例4: write

import java.nio.channels.Pipe; //導入依賴的package包/類
/**
 * {@inheritDoc}
 * @see io.netty.channel.ChannelOutboundInvoker#write(java.lang.Object)
 */
@Override
public ChannelFuture write(Object message) {
	if(message!=null) {
		if(message instanceof FileRegion) {
			try {
				Pipe pipe = Pipe.open();
				FileRegion fr = (FileRegion)message;
				
				long bytesToRead = fr.count();
				fr.transferTo(pipe.sink(), 0L);
				byte[] content = new byte[(int)bytesToRead];
				pipe.source().read(ByteBuffer.wrap(content));
				channelWrites.add(content);
			} catch (Exception ex) {
				log.error("Failed to read content from pipe", ex);
				channelWrites.add(ex);
			}
		} else {
			channelWrites.add(message);
		}
		log.info("Received Channel Write [{}]  type:[{}]", message, message.getClass().getName());
	}
	
	return null;
}
開發者ID:nickman，項目名稱:HeliosStreams，代碼行數:30，代碼來源:InvocationChannel.java

示例5: write

import java.nio.channels.Pipe; //導入依賴的package包/類
/**
 * {@inheritDoc}
 * @see org.jboss.netty.channel.Channel#write(java.lang.Object)
 */
@Override
public ChannelFuture write(Object message) {
	if(message!=null) {
		if(message instanceof FileRegion) {
			try {
				Pipe pipe = Pipe.open();
				FileRegion fr = (FileRegion)message;
				
				long bytesToRead = fr.getCount();
				fr.transferTo(pipe.sink(), 0L);
				byte[] content = new byte[(int)bytesToRead];
				pipe.source().read(ByteBuffer.wrap(content));
				channelWrites.add(content);
			} catch (Exception ex) {
				log.error("Failed to read content from pipe", ex);
				channelWrites.add(ex);
			}
		} else {
			channelWrites.add(message);
		}
		log.info("Received Channel Write [{}]  type:[{}]", message, message.getClass().getName());
	}
	
	return Channels.succeededFuture(this);
}
開發者ID:nickman，項目名稱:HeliosStreams，代碼行數:30，代碼來源:InvocationChannel.java

示例6: testPackageUploadWithFileSucceeds

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testPackageUploadWithFileSucceeds() throws Exception {
  Pipe pipe = Pipe.open();
  String contents = "This is a test!";
  File tmpFile = makeFileWithContents("file.txt", contents);
  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          new FileNotFoundException("some/path"))));

  when(mockGcsUtil.create(any(GcsPath.class), anyString())).thenReturn(pipe.sink());

  List<DataflowPackage> targets =
      defaultPackageUtil.stageClasspathElements(
          ImmutableList.of(tmpFile.getAbsolutePath()), STAGING_PATH, createOptions);
  DataflowPackage target = Iterables.getOnlyElement(targets);

  verify(mockGcsUtil).getObjects(anyListOf(GcsPath.class));
  verify(mockGcsUtil).create(any(GcsPath.class), anyString());
  verifyNoMoreInteractions(mockGcsUtil);

  assertThat(target.getName(), RegexMatcher.matches("file-" + HASH_PATTERN + ".txt"));
  assertThat(target.getLocation(), equalTo(STAGING_PATH + target.getName()));
  assertThat(new LineReader(Channels.newReader(pipe.source(), "UTF-8")).readLine(),
      equalTo(contents));
}
開發者ID:apache，項目名稱:beam，代碼行數:26，代碼來源:PackageUtilTest.java

示例7: testStagingPreservesClasspath

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testStagingPreservesClasspath() throws Exception {
  File smallFile = makeFileWithContents("small.txt", "small");
  File largeFile = makeFileWithContents("large.txt", "large contents");
  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          new FileNotFoundException("some/path"))));

  when(mockGcsUtil.create(any(GcsPath.class), anyString()))
      .thenAnswer(new Answer<SinkChannel>() {
        @Override
        public SinkChannel answer(InvocationOnMock invocation) throws Throwable {
          return Pipe.open().sink();
        }
      });

  List<DataflowPackage> targets =
      defaultPackageUtil.stageClasspathElements(
          ImmutableList.of(smallFile.getAbsolutePath(), largeFile.getAbsolutePath()),
          STAGING_PATH,
          createOptions);
  // Verify that the packages are returned small, then large, matching input order even though
  // the large file would be uploaded first.
  assertThat(targets.get(0).getName(), startsWith("small"));
  assertThat(targets.get(1).getName(), startsWith("large"));
}
開發者ID:apache，項目名稱:beam，代碼行數:27，代碼來源:PackageUtilTest.java

示例8: testPackageUploadWithEmptyDirectorySucceeds

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testPackageUploadWithEmptyDirectorySucceeds() throws Exception {
  Pipe pipe = Pipe.open();
  File tmpDirectory = tmpFolder.newFolder("folder");

  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          new FileNotFoundException("some/path"))));
  when(mockGcsUtil.create(any(GcsPath.class), anyString())).thenReturn(pipe.sink());

  List<DataflowPackage> targets =
      defaultPackageUtil.stageClasspathElements(
          ImmutableList.of(tmpDirectory.getAbsolutePath()), STAGING_PATH, createOptions);
  DataflowPackage target = Iterables.getOnlyElement(targets);

  verify(mockGcsUtil).getObjects(anyListOf(GcsPath.class));
  verify(mockGcsUtil).create(any(GcsPath.class), anyString());
  verifyNoMoreInteractions(mockGcsUtil);

  assertThat(target.getName(), RegexMatcher.matches("folder-" + HASH_PATTERN + ".jar"));
  assertThat(target.getLocation(), equalTo(STAGING_PATH + target.getName()));
  assertNull(new ZipInputStream(Channels.newInputStream(pipe.source())).getNextEntry());
}
開發者ID:apache，項目名稱:beam，代碼行數:24，代碼來源:PackageUtilTest.java

示例9: testPackageUploadEventuallySucceeds

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testPackageUploadEventuallySucceeds() throws Exception {
  Pipe pipe = Pipe.open();
  File tmpFile = makeFileWithContents("file.txt", "This is a test!");
  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          new FileNotFoundException("some/path"))));
  when(mockGcsUtil.create(any(GcsPath.class), anyString()))
      .thenThrow(new IOException("Fake Exception: 410 Gone")) // First attempt fails
      .thenReturn(pipe.sink());                               // second attempt succeeds

  try (PackageUtil directPackageUtil =
      PackageUtil.withExecutorService(MoreExecutors.newDirectExecutorService())) {
    directPackageUtil.stageClasspathElements(
        ImmutableList.of(tmpFile.getAbsolutePath()),
        STAGING_PATH,
        fastNanoClockAndSleeper,
        createOptions);
  } finally {
    verify(mockGcsUtil).getObjects(anyListOf(GcsPath.class));
    verify(mockGcsUtil, times(2)).create(any(GcsPath.class), anyString());
    verifyNoMoreInteractions(mockGcsUtil);
  }
}
開發者ID:apache，項目名稱:beam，代碼行數:25，代碼來源:PackageUtilTest.java

示例10: testPackageUploadIsNotSkippedWhenSizesAreDifferent

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testPackageUploadIsNotSkippedWhenSizesAreDifferent() throws Exception {
  Pipe pipe = Pipe.open();
  File tmpDirectory = tmpFolder.newFolder("folder");
  tmpFolder.newFolder("folder", "empty_directory");
  tmpFolder.newFolder("folder", "directory");
  makeFileWithContents("folder/file.txt", "This is a test!");
  makeFileWithContents("folder/directory/file.txt", "This is also a test!");
  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          createStorageObject(STAGING_PATH, Long.MAX_VALUE))));
  when(mockGcsUtil.create(any(GcsPath.class), anyString())).thenReturn(pipe.sink());

  defaultPackageUtil.stageClasspathElements(
      ImmutableList.of(tmpDirectory.getAbsolutePath()), STAGING_PATH, createOptions);

  verify(mockGcsUtil).getObjects(anyListOf(GcsPath.class));
  verify(mockGcsUtil).create(any(GcsPath.class), anyString());
  verifyNoMoreInteractions(mockGcsUtil);
}
開發者ID:apache，項目名稱:beam，代碼行數:21，代碼來源:PackageUtilTest.java

示例11: testPackageUploadWithExplicitPackageName

import java.nio.channels.Pipe; //導入依賴的package包/類
@Test
public void testPackageUploadWithExplicitPackageName() throws Exception {
  Pipe pipe = Pipe.open();
  File tmpFile = makeFileWithContents("file.txt", "This is a test!");
  final String overriddenName = "alias.txt";

  when(mockGcsUtil.getObjects(anyListOf(GcsPath.class)))
      .thenReturn(ImmutableList.of(StorageObjectOrIOException.create(
          new FileNotFoundException("some/path"))));
  when(mockGcsUtil.create(any(GcsPath.class), anyString())).thenReturn(pipe.sink());

  List<DataflowPackage> targets =
      defaultPackageUtil.stageClasspathElements(
          ImmutableList.of(overriddenName + "=" + tmpFile.getAbsolutePath()),
          STAGING_PATH,
          createOptions);
  DataflowPackage target = Iterables.getOnlyElement(targets);

  verify(mockGcsUtil).getObjects(anyListOf(GcsPath.class));
  verify(mockGcsUtil).create(any(GcsPath.class), anyString());
  verifyNoMoreInteractions(mockGcsUtil);

  assertThat(target.getName(), equalTo(overriddenName));
  assertThat(target.getLocation(),
      RegexMatcher.matches(STAGING_PATH + "file-" + HASH_PATTERN + ".txt"));
}
開發者ID:apache，項目名稱:beam，代碼行數:27，代碼來源:PackageUtilTest.java

示例12: buildConstructors

import java.nio.channels.Pipe; //導入依賴的package包/類
@Override
protected void buildConstructors(Appendable target, String className) throws IOException {
    
    target.append("public ").append(className).append("(");
    
    if (generateRunnable) {
        target.append(") { \n");
        
        FieldReferenceOffsetManager from = MessageSchema.from(schema);
        if (!from.hasSimpleMessagesOnly) {
            target.append(tab).append("startup();\n");
        }
        
    } else {        
        target.append(GraphManager.class.getCanonicalName()).append(" gm, ");
        Appendables.appendClass(target, Pipe.class, schema.getClass()).append(" ").append(pipeVarName).append(") {\n");
        
        target.append("super(gm,NONE,").append(pipeVarName).append(");\n");
        target.append("this.").append(pipeVarName).append(" = ").append(pipeVarName).append(";\n"); 
        Appendables.appendStaticCall(target, Pipe.class, "from").append(pipeVarName).append(").validateGUID(FROM_GUID);\n");
    }
    
    target.append("}\n\n");
            
}
開發者ID:oci-pronghorn，項目名稱:Pronghorn，代碼行數:26，代碼來源:FuzzDataStageGenerator.java

示例13: main

import java.nio.channels.Pipe; //導入依賴的package包/類
public static void main(String[] args) throws Exception {
  Pipe pipe = Pipe.open();

  Pipe.SinkChannel sinkChannel = pipe.sink();
  Pipe.SourceChannel sourceChannel = pipe.source();
  String newData = "New String to write to file..." + System.currentTimeMillis();
  ByteBuffer buf = ByteBuffer.allocate(48);
  buf.clear();
  buf.put(newData.getBytes());
  buf.flip();

  ByteBuffer bufread = ByteBuffer.allocate(48);

  while (buf.hasRemaining()) {
    sinkChannel.write(buf);
    int bytesRead = sourceChannel.read(bufread);
    System.out.println(bytesRead);
  }

}
開發者ID:whyDK37，項目名稱:pinenut，代碼行數:21，代碼來源:PipeTest.java

示例14: ChannelQueue

import java.nio.channels.Pipe; //導入依賴的package包/類
public ChannelQueue(Selector readSelector) throws IOException {

        this.pipe = Pipe.open();
        this.sinkChannel = this.pipe.sink();
        this.sourceChannel = this.pipe.source();

        this.sinkChannel.configureBlocking(false);
        this.sourceChannel.configureBlocking(false);

        this.readSelector = readSelector;
        this.queue = new LinkedBlockingQueue();
        this.notificationQueue = 0;
        this.readBuffer = ByteBuffer.allocate(1);

        this.writeBuffer = ByteBuffer.allocate(1);
        this.writeBuffer.put((byte)0x1);
        this.writeBuffer.flip();

        this.sourceChannel.register(this.readSelector, SelectionKey.OP_READ);

    }
開發者ID:simplepanda，項目名稱:nio-http，代碼行數:22，代碼來源:ChannelQueue.java

示例15: SingleInputExpect

import java.nio.channels.Pipe; //導入依賴的package包/類
protected SingleInputExpect(
        final Pipe.SourceChannel source,
        final Pipe.SinkChannel sink,
        final InputStream input,
        final Charset charset,
        final Appendable echoInput,
        final Filter filter,
        final int bufferSize,
        final boolean autoFlushEcho) throws IOException {
    this.input = input;
    this.charset = charset;
    this.echoInput = echoInput;
    this.filter = filter;
    this.bufferSize = bufferSize;
    this.autoFlushEcho = autoFlushEcho;
    this.source = source;
    this.sink = sink;
    source.configureBlocking(false);
    buffer = new StringBuilder();
}
開發者ID:Alexey1Gavrilov，項目名稱:ExpectIt，代碼行數:21，代碼來源:SingleInputExpect.java


注：本文中的java.nio.channels.Pipe類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。