Package com.semedy.reasoner.reasoning.processes

Class SwappableBufferedIncrementalRelation

java.lang.Object

com.semedy.reasoner.edb.persistentstore.AbstractCacheUnit

com.semedy.reasoner.reasoning.processes.SwappableRelation

com.semedy.reasoner.reasoning.processes.SwappableIncrementalRelation

com.semedy.reasoner.reasoning.processes.SwappableBufferedIncrementalRelation

All Implemented Interfaces:

CacheUnit

public class SwappableBufferedIncrementalRelation
extends SwappableIncrementalRelation

Store for a buffered incremental relation.
Either buffered incremental relation is in main memory or it is persistent.
Main memory incremental relation can be swapped out.

Author:

angele

Field Summary

Fields inherited from class com.semedy.reasoner.reasoning.processes.SwappableRelation

_tupleStore

Constructor Summary

Constructors

Constructor	Description
SwappableBufferedIncrementalRelation(int arity, boolean cepReasoning, boolean retracts, ReasoningMonitor monitor, String tempDir, boolean releasable, boolean sorted)

Method Summary

Modifier and Type	Method	Description
void	clear()	clear relation
void	destroy()	destroy it.
ReasoningRelation	getBufferedTuples()
void	release()	swap out.
void	remove()	remove all tuples
long	size()	number of tuples
void	storeBuffer()
void	storeBufferMM()
void	swapOut()	swap out to temp dir
void	swapOut(TupleFile tupleFile)	swap out to tuple file
TupleFile	swapOutToTupleFile()	Swap out to a tuple file with a generic name in temp directory

Methods inherited from class com.semedy.reasoner.reasoning.processes.SwappableIncrementalRelation

addTuple, addTuple, addTuple, addTupleMM, addTupleMM, addTupleP, addTupleP, getAllTuples, getIncrementalTuples, getTupleStore, isInMemory, setDontCheck4Duplicates, sizeInBytes, storeIncremental

Methods inherited from class com.semedy.reasoner.reasoning.processes.SwappableRelation

finalize, getTuples, isReleasable, swapout

Methods inherited from class com.semedy.reasoner.edb.persistentstore.AbstractCacheUnit

getLast, getNext, setLast, setNext, touch

Methods inherited from class java.lang.Object

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

Constructor Details

SwappableBufferedIncrementalRelation

public SwappableBufferedIncrementalRelation(int arity,
 boolean cepReasoning,
 boolean retracts,
 ReasoningMonitor monitor,
 String tempDir,
 boolean releasable,
 boolean sorted)

Parameters:

arity -

cepReasoning -

monitor -

tempDir -

Method Details

size

public long size()
          throws IOException,
EDBException

Description copied from class: SwappableRelation

number of tuples

Overrides:

size in class SwappableIncrementalRelation

Returns:

Throws:

IOException

EDBException

clear

public void clear()
           throws IOException

Description copied from class: SwappableRelation

clear relation

Overrides:

clear in class SwappableIncrementalRelation

Throws:

IOException

getBufferedTuples

public ReasoningRelation getBufferedTuples()

storeBufferMM

public void storeBufferMM()
                   throws IOException,
EDBException

Throws:

IOException

EDBException

swapOutToTupleFile

public TupleFile swapOutToTupleFile()
                             throws IOException,
EDBException

Description copied from class: SwappableRelation

Swap out to a tuple file with a generic name in temp directory

Overrides:

swapOutToTupleFile in class SwappableIncrementalRelation

Returns:

Throws:

IOException

EDBException

swapOut

public void swapOut(TupleFile tupleFile)
             throws IOException,
EDBException

Description copied from class: SwappableRelation

swap out to tuple file

Overrides:

swapOut in class SwappableIncrementalRelation

Throws:

IOException

EDBException

storeBuffer

public void storeBuffer()
                 throws IOException,
EDBException

Throws:

IOException

EDBException

swapOut

public void swapOut()
             throws IOException,
EDBException

Description copied from class: SwappableRelation

swap out to temp dir

Overrides:

swapOut in class SwappableIncrementalRelation

Throws:

IOException

EDBException

release

public void release()
             throws IOException,
EDBException

Description copied from class: SwappableRelation

swap out. Used in cache manager

Specified by:

release in interface CacheUnit

Overrides:

release in class SwappableRelation

Throws:

IOException

EDBException

remove

public void remove()
            throws IOException

Description copied from class: SwappableRelation

remove all tuples

Overrides:

remove in class SwappableIncrementalRelation

Throws:

IOException

destroy

public void destroy()

Description copied from class: SwappableRelation

destroy it. Used in cache manager

Specified by:

destroy in interface CacheUnit

Overrides:

destroy in class SwappableIncrementalRelation