uk.ac.ic.doc.automed.qproc.cache
Class CacheObjectBinding

java.lang.Object
  com.sleepycat.bind.tuple.TupleBase
      com.sleepycat.bind.tuple.TupleBinding
          uk.ac.ic.doc.automed.util.persist.AbstractObjectBinding
              uk.ac.ic.doc.automed.qproc.cache.CacheObjectBinding

All Implemented Interfaces:

com.sleepycat.bind.EntryBinding

public class CacheObjectBinding
extends AbstractObjectBinding

CacheObjectBinding.java

Custom binding of essential CacheItem attributes for persistency

Author:

Duc M Le dmle@doc.ic.ac.uk
Created on August 3, 2006
Department of Computing, Imperial College

Constructor Summary

CacheObjectBinding()

Method Summary

java.lang.Object	entryToObject(com.sleepycat.bind.tuple.TupleInput ti) Convert a database entry into a CacheItem object
PersistentKey	getKey(java.lang.Object object) Return a PersistentKey object from the value object
void	objectToEntry(java.lang.Object object, com.sleepycat.bind.tuple.TupleOutput to) Write a CachItem object to a persistent database

Methods inherited from class com.sleepycat.bind.tuple.TupleBinding

entryToObject, getPrimitiveBinding, objectToEntry

Methods inherited from class com.sleepycat.bind.tuple.TupleBase

entryToInput, getTupleBufferSize, getTupleOutput, inputToEntry, newOutput, newOutput, outputToEntry, setTupleBufferSize

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheObjectBinding

public CacheObjectBinding()

Method Detail

getKey

public PersistentKey getKey(java.lang.Object object)

Description copied from class: AbstractObjectBinding

Return a PersistentKey object from the value object

Specified by:

getKey in class AbstractObjectBinding

entryToObject

public java.lang.Object entryToObject(com.sleepycat.bind.tuple.TupleInput ti)

Convert a database entry into a CacheItem object

Specified by:

entryToObject in class AbstractObjectBinding

Parameters:

ti - is the tuple key or data entry.

Returns:

the key or data object constructed from the entry.

objectToEntry

public void objectToEntry(java.lang.Object object,
                          com.sleepycat.bind.tuple.TupleOutput to)

Write a CachItem object to a persistent database

Specified by:

objectToEntry in class AbstractObjectBinding

Parameters:

object - is the key or data object.

to - is the tuple entry to which the key or data should be written.