Package com.semedy.reasoner.reasoning.processes

Class SwappableIncrementalRelation

java.lang.Object

com.semedy.reasoner.edb.persistentstore.AbstractCacheUnit

com.semedy.reasoner.reasoning.processes.SwappableRelation

com.semedy.reasoner.reasoning.processes.SwappableIncrementalRelation

All Implemented Interfaces:

CacheUnit

Direct Known Subclasses:

SwappableBufferedIncrementalRelation

public class SwappableIncrementalRelation
extends SwappableRelation

Store for incremental relation.
Either 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
SwappableIncrementalRelation(int arity, ReasoningMonitor monitor, String tempDir, boolean releasable, boolean cepReasoning, boolean retracts, boolean sorted)

Method Summary

Modifier and Type	Method	Description
boolean	addTuple(int tuple)	add a tuple
boolean	addTuple(long[] tuple)	add a tuple
boolean	addTuple(TupleBuffer tuple)	add a tuple
boolean	addTupleMM(long[] tuple)
boolean	addTupleMM(TupleBuffer tuple)
boolean	addTupleP(long[] tuple)
boolean	addTupleP(TupleBuffer tuple)
void	clear()	clear relation
void	destroy()	destroy it.
ReasoningRelation	getAllTuples()
ReasoningRelation	getIncrementalTuples()
TupleStore	getTupleStore()	get the tuple store behind
boolean	isInMemory()	is it in main memory
void	remove()	remove all tuples
void	setDontCheck4Duplicates(boolean check)
long	size()	number of tuples
long	sizeInBytes()	get the approximate size in bytes used in main memory
void	storeIncremental()
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.SwappableRelation

finalize, getTuples, isReleasable, release, 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

SwappableIncrementalRelation

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

Method Details

clear

public void clear()
           throws IOException

Description copied from class: SwappableRelation

clear relation

Overrides:

clear in class SwappableRelation

Throws:

IOException

isInMemory

public boolean isInMemory()

Description copied from class: SwappableRelation

is it in main memory

Overrides:

isInMemory in class SwappableRelation

Returns:

size

public long size()
          throws IOException,
EDBException

Description copied from class: SwappableRelation

number of tuples

Overrides:

size in class SwappableRelation

Returns:

Throws:

IOException

EDBException

addTupleMM

public boolean addTupleMM(long[] tuple)
                   throws IOException,
EDBException

Throws:

IOException

EDBException

addTupleMM

public boolean addTupleMM(TupleBuffer tuple)
                   throws IOException,
EDBException

Throws:

IOException

EDBException

addTuple

public boolean addTuple(int tuple)
                 throws IOException,
EDBException

Description copied from class: SwappableRelation

add a tuple

Overrides:

addTuple in class SwappableRelation

Returns:

Throws:

IOException

EDBException

addTupleP

public boolean addTupleP(long[] tuple)
                  throws IOException,
EDBException

Throws:

IOException

EDBException

addTupleP

public boolean addTupleP(TupleBuffer tuple)
                  throws IOException,
EDBException

Throws:

IOException

EDBException

addTuple

public boolean addTuple(long[] tuple)
                 throws IOException,
EDBException

Description copied from class: SwappableRelation

add a tuple

Overrides:

addTuple in class SwappableRelation

Returns:

Throws:

IOException

EDBException

addTuple

public boolean addTuple(TupleBuffer tuple)
                 throws IOException,
EDBException

Description copied from class: SwappableRelation

add a tuple

Overrides:

addTuple in class SwappableRelation

Returns:

Throws:

IOException

EDBException

setDontCheck4Duplicates

public void setDontCheck4Duplicates(boolean check)

storeIncremental

public void storeIncremental()
                      throws IOException,
EDBException

Throws:

IOException

EDBException

getIncrementalTuples

public ReasoningRelation getIncrementalTuples()

getTupleStore

public TupleStore getTupleStore()

Description copied from class: SwappableRelation

get the tuple store behind

Overrides:

getTupleStore in class SwappableRelation

Returns:

sizeInBytes

public long sizeInBytes()

Description copied from class: SwappableRelation

get the approximate size in bytes used in main memory

Specified by:

sizeInBytes in interface CacheUnit

Overrides:

sizeInBytes in class SwappableRelation

Returns:

getAllTuples

public ReasoningRelation getAllTuples()
                               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 SwappableRelation

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 SwappableRelation

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 SwappableRelation

Returns:

Throws:

IOException

EDBException

remove

public void remove()
            throws IOException

Description copied from class: SwappableRelation

remove all tuples

Overrides:

remove in class SwappableRelation

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 SwappableRelation