Package org.geotools.io

Class MemoryMappedRandomAccessFile

Object
RandomAccessFile
MemoryMappedRandomAccessFile
All Implemented Interfaces:
Closeable, DataInput, DataOutput, AutoCloseable, FileCacheable
public class MemoryMappedRandomAccessFile extends RandomAccessFile
A ReadOnly MemoryMapped RandomAccessFile. It will map the file in memory, using a MappedByteBuffer.

Writing capability is not supported at the moment.

  • Field Summary

    Fields inherited from class RandomAccessFile

    allFiles, BIG_ENDIAN, bigEndian, buffer, bufferModified, bufferStart, dataEnd, dataSize, debugAccess, debugLeaks, defaultBufferSize, endOfFile, file, fileChannel, filePosition, LITTLE_ENDIAN, location, openFiles, readonly, showOpen, showRead

  • Constructor Summary

    Constructors
    Constructor
    Description
    MemoryMappedRandomAccessFile(String location, String mode)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
     
    static String
    getUriString(String uriString)
     
    long
    length()
     
    void
    reacquire()
     
    int
    read()
     
    int
    readBytes(byte[] dst, int offset, int length)
     
    void
    release()
     
    boolean
    searchForward(KMPMatch match, int maxBytes)
     
    void
    seek(long pos)
     
    void
    setFileCache(FileCacheIF fileCache)
     
    void
    write(int b)
     
    void
    writeBytes(byte[] dst, int offset, int length)
     

    Methods inherited from class RandomAccessFile

    acquire, acquire, eject, enableDefaultGlobalFileCache, flush, getAllFiles, getBufferSize, getDebugLeaks, getDebugNbytes, getDebugNseeks, getFilePointer, getGlobalFileCache, getLastModified, getLocation, getMaxOpenFileCount, getOpenFileCount, getOpenFiles, getRandomAccessFile, isAtEndOfFile, isDirectory, order, order, read, read, read_, readBoolean, readBuffer, readByte, readBytes, readChar, readDouble, readDouble, readFloat, readFloat, readFully, readFully, readInt, readInt, readIntUnbuffered, readLine, readLine, readLong, readLong, readShort, readShort, readString, readString, readStringMax, readStringMax, readToByteChannel, readUnsignedByte, readUnsignedShort, readUTF, setBufferSize, setDebugAccess, setDebugLeaks, setExtendMode, setGlobalFileCache, setMinLength, shutdown, skipBytes, skipBytes, toString, unread, write, write, writeBoolean, writeBoolean, writeByte, writeBytes, writeBytes, writeChar, writeChar, writeChar, writeChar, writeChar, writeChar, writeChars, writeChars, writeChars, writeDouble, writeDouble, writeDouble, writeDouble, writeDouble, writeDouble, writeFloat, writeFloat, writeFloat, writeFloat, writeFloat, writeFloat, writeInt, writeInt, writeInt, writeInt, writeInt, writeInt, writeLong, writeLong, writeLong, writeLong, writeLong, writeLong, writeShort, writeShort, writeShort, writeShort, writeShort, writeShort, writeUTF

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

  • Method Details

    • seek

      public void seek(long pos) throws IOException
      Overrides:
      seek in class RandomAccessFile
      Throws:
      IOException

    • release

      public void release()
      Specified by:
      release in interface FileCacheable
      Overrides:
      release in class RandomAccessFile

    • reacquire

      public void reacquire()
      Specified by:
      reacquire in interface FileCacheable
      Overrides:
      reacquire in class RandomAccessFile

    • setFileCache

      public void setFileCache(FileCacheIF fileCache)
      Specified by:
      setFileCache in interface FileCacheable
      Overrides:
      setFileCache in class RandomAccessFile

    • read

      public int read() throws IOException
      Overrides:
      read in class RandomAccessFile
      Throws:
      IOException

    • readBytes

      public int readBytes(byte[] dst, int offset, int length) throws IOException
      Overrides:
      readBytes in class RandomAccessFile
      Throws:
      IOException

    • write

      public void write(int b)
      Specified by:
      write in interface DataOutput
      Overrides:
      write in class RandomAccessFile

    • writeBytes

      public void writeBytes(byte[] dst, int offset, int length)
      Overrides:
      writeBytes in class RandomAccessFile

    • length

      public long length()
      Overrides:
      length in class RandomAccessFile

    • close

      public void close() throws IOException
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in interface FileCacheable
      Overrides:
      close in class RandomAccessFile
      Throws:
      IOException

    • getUriString

      public static String getUriString(String uriString)

    • searchForward

      public boolean searchForward(KMPMatch match, int maxBytes) throws IOException
      Overrides:
      searchForward in class RandomAccessFile
      Throws:
      IOException