org.treetank.io.combined

Class CombinedReader

java.lang.Object

org.treetank.io.combined.CombinedReader

All Implemented Interfaces:

IBackendReader

public class CombinedReader
extends Object
implements IBackendReader

Reader for a combined storage.

Author:

Sebastian Graf, University of Konstanz

Constructor Summary

Constructors

Constructor and Description
CombinedReader(IBackendReader pFirstReader, IBackendReader pSecondReader) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closing the storage.
IBucket	read(long pKey) Getting a reference for the given pointer.
UberBucket	readUber() Reading the UberBucket

Methods inherited from class java.lang.Object

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

Constructor Detail

CombinedReader

public CombinedReader(IBackendReader pFirstReader,
              IBackendReader pSecondReader)

Constructor.

Parameters:

pFirstReader - First reader to read the data from

pSecondReader - Second reader to read the data from, fallback from the first reader

Method Detail

read

public IBucket read(long pKey)
             throws TTIOException

Getting a reference for the given pointer.

Specified by:

read in interface IBackendReader

Parameters:

pKey - the reference for the bucket to be determined

Returns:

a IBucket as the base for a bucket

Throws:

TTIOException

readUber

public UberBucket readUber()
                    throws TTIOException

Reading the UberBucket

Specified by:

readUber in interface IBackendReader

Returns:

the most recent UberBucket

Throws:

TTIOException

close

public void close()
           throws TTIOException

Closing the storage.

Specified by:

close in interface IBackendReader

Throws:

TTIOException - if something bad happens while access