org.mindswap.pellet.tableau.completion.incremental

Class DependencyIndex

java.lang.Object

org.mindswap.pellet.tableau.completion.incremental.DependencyIndex

public class DependencyIndex
extends Object

This is the index structure for maintaining the dependencies between structures in an ABox and the syntactic assertions which caused them to be created. This is used for incremental deletions.

Author:

Christian Halaschek-Wiener

Field Summary

Fields

Modifier and Type	Field and Description
static Logger	log

Constructor Summary

Constructors

Constructor and Description
DependencyIndex(KnowledgeBase kb) Default constructor
DependencyIndex(KnowledgeBase kb, DependencyIndex oldIndex) Copy constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addBranchAddDependency(Branch branch) Add a new branch dependency
void	addCloseBranchDependency(Branch branch, DependencySet ds) Add a new branch ds removal dependency
void	addEdgeDependency(Edge edge, DependencySet ds) Add a new edge dependency
void	addMergeDependency(aterm.ATermAppl ind, aterm.ATermAppl mergedTo, DependencySet ds) Add a new merge dependency
void	addTypeDependency(aterm.ATermAppl ind, aterm.ATermAppl type, DependencySet ds) Add a new type dependency
protected Map<aterm.ATermAppl,DependencyEntry>	getDependencies()
DependencyEntry	getDependencies(aterm.ATermAppl assertion)
void	removeBranchDependencies(Branch b) Remove branch dependencies - this is needed due to backjumping!
void	removeDependencies(aterm.ATermAppl assertion) Remove the dependencies for a given assertion
void	setClashDependencies(Clash clash) Set clash dependencies

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final Logger log

Constructor Detail

DependencyIndex

public DependencyIndex(KnowledgeBase kb)

Default constructor

DependencyIndex

public DependencyIndex(KnowledgeBase kb,
               DependencyIndex oldIndex)

Copy constructor

Method Detail

getDependencies

public DependencyEntry getDependencies(aterm.ATermAppl assertion)

Parameters:

assertion -

Returns:

getDependencies

protected Map<aterm.ATermAppl,DependencyEntry> getDependencies()

Returns:

addTypeDependency

public void addTypeDependency(aterm.ATermAppl ind,
                     aterm.ATermAppl type,
                     DependencySet ds)

Add a new type dependency

Parameters:

ind -

type -

ds -

addMergeDependency

public void addMergeDependency(aterm.ATermAppl ind,
                      aterm.ATermAppl mergedTo,
                      DependencySet ds)

Add a new merge dependency

Parameters:

ind -

type -

ds -

addEdgeDependency

public void addEdgeDependency(Edge edge,
                     DependencySet ds)

Add a new edge dependency

Parameters:

edge -

ds -

addBranchAddDependency

public void addBranchAddDependency(Branch branch)

Add a new branch dependency

Parameters:

ind -

type -

ds -

addCloseBranchDependency

public void addCloseBranchDependency(Branch branch,
                            DependencySet ds)

Add a new branch ds removal dependency

Parameters:

ind -

type -

ds -

removeDependencies

public void removeDependencies(aterm.ATermAppl assertion)

Remove the dependencies for a given assertion

Parameters:

assertion -

removeBranchDependencies

public void removeBranchDependencies(Branch b)

Remove branch dependencies - this is needed due to backjumping!

Parameters:

b -

setClashDependencies

public void setClashDependencies(Clash clash)

Set clash dependencies