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## org.apache.cassandra.io.compress
Class CompressedRandomAccessReader

    java.lang.Object
      java.io.RandomAccessFile
          org.apache.cassandra.io.util.RandomAccessReader
              org.apache.cassandra.io.compress.CompressedRandomAccessReader

All Implemented Interfaces:
  java.io.Closeable, java.io.DataInput, java.io.DataOutput, FileDataInput

    public class CompressedRandomAccessReader

extends RandomAccessReader

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.io.util.RandomAccessReader
`RandomAccessReader.BufferedRandomAccessFileMark`

Field Summary

Fields inherited from class org.apache.cassandra.io.util.RandomAccessReader
`buffer, bufferOffset, current, DEFAULT_BUFFER_SIZE, markedPointer, MAX_BYTES_IN_PAGE_CACHE, validBufferBytes`

Constructor Summary
`CompressedRandomAccessReader(java.lang.String dataFilePath, CompressionMetadata metadata, boolean skipIOCache)`

Method Summary
`long` | `length()`
`static RandomAccessReader` | `open(java.lang.String dataFilePath, CompressionMetadata metadata)`
`static RandomAccessReader` | `open(java.lang.String dataFilePath, CompressionMetadata metadata, boolean skipIOCache)`
`protected void` | `reBuffer()` Read data from file starting from current currentOffset to populate buffer.
`java.lang.String` | `toString()`

Methods inherited from class org.apache.cassandra.io.util.RandomAccessReader
`bufferCursor, bytesPastMark, bytesPastMark, bytesRemaining, close, getFilePointer, getPath, isEOF, mark, open, open, open, open, open, read, read, read, readBytes, reset, reset, resetBuffer, seek, write, write, write`

Methods inherited from class java.io.RandomAccessFile
`getChannel, getFD, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, setLength, skipBytes, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface java.io.DataInput
`readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes`

Constructor Detail

### CompressedRandomAccessReader

    public CompressedRandomAccessReader(java.lang.String dataFilePath,
                                        CompressionMetadata metadata,
                                        boolean skipIOCache)
                                 throws java.io.IOException

Throws:
  `java.io.IOException`

Method Detail

### open

    public static RandomAccessReader open(java.lang.String dataFilePath,
                                          CompressionMetadata metadata)
                                   throws java.io.IOException

  Throws:
    `java.io.IOException`

### open

    public static RandomAccessReader open(java.lang.String dataFilePath,
                                          CompressionMetadata metadata,
                                          boolean skipIOCache)
                                   throws java.io.IOException

  Throws:
    `java.io.IOException`

### reBuffer

    protected void reBuffer()
                     throws java.io.IOException

  Description copied from class: `RandomAccessReader`
  Read data from file starting from current currentOffset to populate buffer.

  Overrides:
    `reBuffer` in class `RandomAccessReader`
  Throws:
    `java.io.IOException` - on any I/O error.

### length

    public long length()
                throws java.io.IOException

  Overrides:
    `length` in class `RandomAccessReader`
  Throws:
    `java.io.IOException`

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `RandomAccessReader`

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Copyright © 2011 The Apache Software Foundation