org.apache.accumulo.core.file.blockfile.impl
Class CachableBlockFile.CachedBlockRead

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          java.io.DataInputStream
              org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile.BlockRead
                  org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile.CachedBlockRead

All Implemented Interfaces:

Closeable, DataInput, ABlockReader

Enclosing class:

CachableBlockFile

public static class CachableBlockFile.CachedBlockRead
extends CachableBlockFile.BlockRead

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

CachableBlockFile.CachedBlockRead(CacheEntry cb, byte[] buf)

Method Summary

<T> T	getIndex(Class<T> clazz)
int	getPosition() Get the file position.
boolean	isIndexable() An indexable block supports seeking, getting a position, and associating an arbitrary index with the block
void	seek(int position)

Methods inherited from class org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile.BlockRead

getRawSize, getStream

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.accumulo.core.file.blockfile.ABlockReader

close

Methods inherited from interface java.io.DataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes

Constructor Detail

CachableBlockFile.CachedBlockRead

public CachableBlockFile.CachedBlockRead(CacheEntry cb,
                                         byte[] buf)

Method Detail

seek

public void seek(int position)

Specified by:

seek in interface ABlockReader

Overrides:

seek in class CachableBlockFile.BlockRead

getPosition

public int getPosition()

Description copied from interface: ABlockReader

Get the file position.

Specified by:

getPosition in interface ABlockReader

Overrides:

getPosition in class CachableBlockFile.BlockRead

Returns:

the file position.

isIndexable

public boolean isIndexable()

Description copied from interface: ABlockReader

An indexable block supports seeking, getting a position, and associating an arbitrary index with the block

Specified by:

isIndexable in interface ABlockReader

Overrides:

isIndexable in class CachableBlockFile.BlockRead

Returns:

true, if the block is indexable; otherwise false.

getIndex

public <T> T getIndex(Class<T> clazz)

Specified by:

getIndex in interface ABlockReader

Overrides:

getIndex in class CachableBlockFile.BlockRead