本文整理了Java中org.agrona.IoUtil.mapNewFile()方法的一些代码示例，展示了IoUtil.mapNewFile()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。IoUtil.mapNewFile()方法的具体详情如下：
包路径：org.agrona.IoUtil
类名称：IoUtil
方法名：mapNewFile

IoUtil.mapNewFile介绍

[英]Create a new file, fill with 0s, and return a java.nio.MappedByteBuffer for the file.

The file itself will be closed, but the mapping will persist.
[中]创建一个新文件，填充0，然后返回一个java。尼奥。文件的MappedByteBuffer。
文件本身将被关闭，但映射将保持不变。

代码示例

代码示例来源：origin: real-logic/agrona

/**
 * Create a new file, fill with 0s, and return a {@link java.nio.MappedByteBuffer} for the file.
 * <p>
 * The file itself will be closed, but the mapping will persist.
 *
 * @param location of the file to create and map
 * @param length   of the file to create and map
 * @return {@link java.nio.MappedByteBuffer} for the file
 */
public static MappedByteBuffer mapNewFile(final File location, final long length)
{
  return mapNewFile(location, length, true);
}

代码示例来源：origin: real-logic/aeron

/**
   * Map a new loss report in the Aeron directory for a given length.
   *
   * @param aeronDirectoryName in which to create the file.
   * @param reportFileLength   for the file.
   * @return the newly mapped buffer for the file.
   */
  public static MappedByteBuffer mapLossReport(final String aeronDirectoryName, final int reportFileLength)
  {
    return mapNewFile(file(aeronDirectoryName), reportFileLength, false);
  }
}

代码示例来源：origin: real-logic/aeron

private void createFile(final long correlationId, final long length, final String filename)
{
  if (fileSessionByIdMap.containsKey(correlationId))
  {
    throw new IllegalStateException("correlationId is in use: " + correlationId);
  }
  final File file = new File(storageDir, filename);
  if (file.exists() && !file.delete())
  {
    throw new IllegalStateException("failed to delete existing file: " + file);
  }
  if (length == 0)
  {
    try
    {
      if (!file.createNewFile())
      {
        throw new IllegalStateException("failed to create " + filename);
      }
    }
    catch (final IOException ex)
    {
      LangUtil.rethrowUnchecked(ex);
    }
  }
  else
  {
    fileSessionByIdMap.put(correlationId, new UnsafeBuffer(IoUtil.mapNewFile(file, length, false)));
  }
}

代码示例来源：origin: real-logic/agrona

this.mappedBuffer = IoUtil.mapNewFile(markFile, totalFileLength);
this.buffer = new UnsafeBuffer(mappedBuffer);
this.versionFieldOffset = versionFieldOffset;

代码示例来源：origin: real-logic/aeron

cncByteBuffer = mapNewFile(
  cncFile(),
  CncFileDescriptor.computeCncFileLength(

代码示例来源：origin: org.agrona/agrona

/**
 * Create a new file, fill with 0s, and return a {@link java.nio.MappedByteBuffer} for the file.
 * <p>
 * The file itself will be closed, but the mapping will persist.
 *
 * @param location of the file to create and map
 * @param length   of the file to create and map
 * @return {@link java.nio.MappedByteBuffer} for the file
 */
public static MappedByteBuffer mapNewFile(final File location, final long length)
{
  return mapNewFile(location, length, true);
}

代码示例来源：origin: io.aeron/aeron-driver

/**
   * Map a new loss report in the Aeron directory for a given length.
   *
   * @param aeronDirectoryName in which to create the file.
   * @param reportFileLength   for the file.
   * @return the newly mapped buffer for the file.
   */
  public static MappedByteBuffer mapLossReport(final String aeronDirectoryName, final int reportFileLength)
  {
    return mapNewFile(file(aeronDirectoryName), reportFileLength, false);
  }
}

代码示例来源：origin: io.aeron/aeron-all

/**
   * Map a new loss report in the Aeron directory for a given length.
   *
   * @param aeronDirectoryName in which to create the file.
   * @param reportFileLength   for the file.
   * @return the newly mapped buffer for the file.
   */
  public static MappedByteBuffer mapLossReport(final String aeronDirectoryName, final int reportFileLength)
  {
    return mapNewFile(file(aeronDirectoryName), reportFileLength, false);
  }
}

代码示例来源：origin: real-logic/artio

public static MappedByteBuffer mapNewFile(final File file, final int size)
{
  final File parentDir = file.getParentFile();
  IoUtil.ensureDirectoryExists(parentDir, parentDir.getAbsolutePath());
  return IoUtil.mapNewFile(file, size);
}

代码示例来源：origin: kaazing/gateway

@Override
public void initialize(File monitoringFile) {
  int fileSize = computeMonitorTotalFileLength();
  mappedMonitorFile = IoUtil.mapNewFile(monitoringFile, fileSize);
  metaDataBuffer = new UnsafeBuffer(mappedMonitorFile, 0, metadataLength + BitUtil.SIZE_OF_INT);
  fillMetaData();
}

代码示例来源：origin: org.agrona/agrona

this.mappedBuffer = IoUtil.mapNewFile(markFile, totalFileLength);
this.buffer = new UnsafeBuffer(mappedBuffer);
this.versionFieldOffset = versionFieldOffset;

代码示例来源：origin: io.aeron/aeron-all

cncByteBuffer = mapNewFile(
  cncFile(),
  CncFileDescriptor.computeCncFileLength(

代码示例来源：origin: io.aeron/aeron-driver

cncByteBuffer = mapNewFile(
  cncFile(),
  CncFileDescriptor.computeCncFileLength(