Package org.apache.flink.table.runtime.io

Class CompressedHeaderlessChannelReaderInputView

java.lang.Object
org.apache.flink.runtime.memory.AbstractPagedInputView
org.apache.flink.runtime.io.disk.iomanager.AbstractChannelReaderInputView
org.apache.flink.table.runtime.io.CompressedHeaderlessChannelReaderInputView
All Implemented Interfaces:
DataInput, org.apache.flink.core.memory.DataInputView, org.apache.flink.runtime.io.disk.iomanager.RequestDoneCallback<org.apache.flink.runtime.io.network.buffer.Buffer>, org.apache.flink.runtime.io.network.buffer.BufferRecycler
public class CompressedHeaderlessChannelReaderInputView extends org.apache.flink.runtime.io.disk.iomanager.AbstractChannelReaderInputView implements org.apache.flink.runtime.io.disk.iomanager.RequestDoneCallback<org.apache.flink.runtime.io.network.buffer.Buffer>, org.apache.flink.runtime.io.network.buffer.BufferRecycler
A DataInputView that is backed by a BufferFileReader, making it effectively a data input stream. The view reads it data in blocks from the underlying channel and decompress it before returning to caller. The view can only read data that has been written by CompressedHeaderlessChannelWriterOutputView, due to block formatting.

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.flink.runtime.io.network.buffer.BufferRecycler

    org.apache.flink.runtime.io.network.buffer.BufferRecycler.DummyBufferRecycler

  • Field Summary

    Fields inherited from class org.apache.flink.runtime.memory.AbstractPagedInputView

    headerLength

  • Constructor Summary

    Constructors
    Constructor
    Description
    CompressedHeaderlessChannelReaderInputView(org.apache.flink.runtime.io.disk.iomanager.FileIOChannel.ID id, org.apache.flink.runtime.io.disk.iomanager.IOManager ioManager, org.apache.flink.runtime.io.compression.BlockCompressionFactory compressionCodecFactory, int compressionBlockSize, int numBlocks)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    List<org.apache.flink.core.memory.MemorySegment>
    close()
     
    org.apache.flink.runtime.io.disk.iomanager.FileIOChannel
    getChannel()
     
    protected int
    getLimitForSegment(org.apache.flink.core.memory.MemorySegment segment)
     
    org.apache.flink.runtime.io.disk.iomanager.BufferFileReader
    getReader()
     
    boolean
    isClosed()
     
    protected org.apache.flink.core.memory.MemorySegment
    nextSegment(org.apache.flink.core.memory.MemorySegment current)
     
    void
    recycle(org.apache.flink.core.memory.MemorySegment segment)
     
    void
    requestFailed(org.apache.flink.runtime.io.network.buffer.Buffer buffer, IOException e)
     
    void
    requestSuccessful(org.apache.flink.runtime.io.network.buffer.Buffer request)
     

    Methods inherited from class org.apache.flink.runtime.memory.AbstractPagedInputView

    advance, clear, doAdvance, getCurrentPositionInSegment, getCurrentSegment, getCurrentSegmentLimit, getHeaderLength, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, seekInput, skipBytes, skipBytesToRead

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • CompressedHeaderlessChannelReaderInputView

      public CompressedHeaderlessChannelReaderInputView(org.apache.flink.runtime.io.disk.iomanager.FileIOChannel.ID id, org.apache.flink.runtime.io.disk.iomanager.IOManager ioManager, org.apache.flink.runtime.io.compression.BlockCompressionFactory compressionCodecFactory, int compressionBlockSize, int numBlocks) throws IOException
      Throws:
      IOException

  • Method Details

    • nextSegment

      protected org.apache.flink.core.memory.MemorySegment nextSegment(org.apache.flink.core.memory.MemorySegment current) throws IOException
      Specified by:
      nextSegment in class org.apache.flink.runtime.memory.AbstractPagedInputView
      Throws:
      IOException

    • getReader

      public org.apache.flink.runtime.io.disk.iomanager.BufferFileReader getReader()

    • getLimitForSegment

      protected int getLimitForSegment(org.apache.flink.core.memory.MemorySegment segment)
      Specified by:
      getLimitForSegment in class org.apache.flink.runtime.memory.AbstractPagedInputView

    • close

      public List<org.apache.flink.core.memory.MemorySegment> close() throws IOException
      Specified by:
      close in class org.apache.flink.runtime.io.disk.iomanager.AbstractChannelReaderInputView
      Throws:
      IOException

    • getChannel

      public org.apache.flink.runtime.io.disk.iomanager.FileIOChannel getChannel()
      Specified by:
      getChannel in class org.apache.flink.runtime.io.disk.iomanager.AbstractChannelReaderInputView

    • isClosed

      public boolean isClosed()

    • requestSuccessful

      public void requestSuccessful(org.apache.flink.runtime.io.network.buffer.Buffer request)
      Specified by:
      requestSuccessful in interface org.apache.flink.runtime.io.disk.iomanager.RequestDoneCallback<org.apache.flink.runtime.io.network.buffer.Buffer>

    • requestFailed

      public void requestFailed(org.apache.flink.runtime.io.network.buffer.Buffer buffer, IOException e)
      Specified by:
      requestFailed in interface org.apache.flink.runtime.io.disk.iomanager.RequestDoneCallback<org.apache.flink.runtime.io.network.buffer.Buffer>

    • recycle

      public void recycle(org.apache.flink.core.memory.MemorySegment segment)
      Specified by:
      recycle in interface org.apache.flink.runtime.io.network.buffer.BufferRecycler