org.semanticweb.HermiT.blocking.ValidatedSingleDirectBlockingChecker Maven / Gradle / Ivy
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HermiT is reasoner for ontologies written using the Web Ontology Language (OWL). Given an OWL file, HermiT can determine whether or not the ontology is consistent, identify subsumption relationships between classes, and much more.
This is the maven build of HermiT and is designed for people who wish to use HermiT from within the OWL API. It is now versioned in the main HermiT version repository, although not officially supported by the HermiT developers.
The version number of this package is a composite of the HermiT version and a value representing the OWLAPI release it is compatible with. Note that the group id for the upstream HermiT is com.hermit-reasoner, while this fork is released under net.sourceforge.owlapi.
This fork exists to allow HermiT users to use newer OWLAPI versions than the ones supported by the original HermiT codebase.
This package includes the Jautomata library (http://jautomata.sourceforge.net/), and builds with it directly. This library appears to be no longer under active development, and so a "fork" seems appropriate. No development is intended or anticipated on this code base.
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/* Copyright 2008, 2009, 2010 by the Oxford University Computing Laboratory
This file is part of HermiT.
HermiT is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
HermiT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with HermiT. If not, see m_atomicConceptsSetFactory=new SetFactory<>();
protected final SetFactory m_atomicRolesSetFactory=new SetFactory<>();
protected final Set m_atomicConceptsBuffer=new LinkedHashSet<>();
protected final Set m_atomicRolesBuffer=new LinkedHashSet<>();
protected final boolean m_hasInverses;
protected ExtensionTable.Retrieval m_binaryTableSearch1Bound;
protected ExtensionTable.Retrieval m_ternaryTableSearch12Bound;
/**
* @param hasInverses hasInverses
*/
public ValidatedSingleDirectBlockingChecker(boolean hasInverses) {
m_hasInverses=hasInverses;
}
@Override
public void initialize(Tableau tableau) {
m_binaryTableSearch1Bound=tableau.getExtensionManager().getBinaryExtensionTable().createRetrieval(new boolean[] { false,true },ExtensionTable.View.TOTAL);
m_ternaryTableSearch12Bound=tableau.getExtensionManager().getTernaryExtensionTable().createRetrieval(new boolean[] { false,true,true },ExtensionTable.View.TOTAL);
}
@Override
public void clear() {
m_atomicConceptsSetFactory.clearNonpermanent();
m_atomicRolesSetFactory.clearNonpermanent();
m_binaryTableSearch1Bound.clear();
m_ternaryTableSearch12Bound.clear();
}
@Override
public boolean isBlockedBy(Node blocker,Node blocked) {
boolean isBlockedBy=
!blocker.isBlocked() &&
blocker.getNodeType()==NodeType.TREE_NODE &&
blocked.getNodeType()==NodeType.TREE_NODE &&
((ValidatedSingleBlockingObject)blocker.getBlockingObject()).getAtomicConceptsLabel()==((ValidatedSingleBlockingObject)blocked.getBlockingObject()).getAtomicConceptsLabel();
return isBlockedBy;
}
@Override
public int blockingHashCode(Node node) {
return ((ValidatedSingleBlockingObject)node.getBlockingObject()).m_blockingRelevantHashCode;
}
@Override
public boolean canBeBlocker(Node node) {
Node parent=node.getParent();
return node.getNodeType()==NodeType.TREE_NODE && (!m_hasInverses || node.getParent().getNodeType()==NodeType.TREE_NODE || parent.getNodeType()==NodeType.GRAPH_NODE);
}
@Override
public boolean canBeBlocked(Node node) {
Node parent=node.getParent();
return node.getNodeType()==NodeType.TREE_NODE && (!m_hasInverses || node.getParent().getNodeType()==NodeType.TREE_NODE || parent.getNodeType()==NodeType.GRAPH_NODE);
}
@Override
public boolean hasBlockingInfoChanged(Node node) {
return ((ValidatedSingleBlockingObject)node.getBlockingObject()).m_hasChangedForBlocking;
}
@Override
public void clearBlockingInfoChanged(Node node) {
((ValidatedSingleBlockingObject)node.getBlockingObject()).m_hasChangedForBlocking=false;
}
@Override
public boolean hasChangedSinceValidation(Node node) {
return ((ValidatedSingleBlockingObject)node.getBlockingObject()).m_hasChangedForValidation;
}
@Override
public void setHasChangedSinceValidation(Node node, boolean hasChanged) {
((ValidatedSingleBlockingObject)node.getBlockingObject()).m_hasChangedForValidation=hasChanged;
}
@Override
public void nodeInitialized(Node node) {
if (node.getBlockingObject()==null)
node.setBlockingObject(new ValidatedSingleBlockingObject(node));
((ValidatedSingleBlockingObject)node.getBlockingObject()).initialize();
}
@Override
public void nodeDestroyed(Node node) {
((ValidatedSingleBlockingObject)node.getBlockingObject()).destroy();
}
@Override
public Node assertionAdded(Concept concept,Node node,boolean isCore) {
((ValidatedSingleBlockingObject)node.getBlockingObject()).addConcept(concept, isCore);
return (concept instanceof AtomicConcept && isCore)?node:null;
}
@Override
public Node assertionRemoved(Concept concept, Node node, boolean isCore) {
((ValidatedSingleBlockingObject) node.getBlockingObject()).removeConcept(concept, isCore);
return (concept instanceof AtomicConcept && isCore)?node:null;
}
@Override
public Node assertionAdded(DataRange range,Node node,boolean isCore) {
return null;
}
@Override
public Node assertionRemoved(DataRange range,Node node,boolean isCore) {
return null;
}
@Override
public Node assertionAdded(AtomicRole atomicRole,Node nodeFrom,Node nodeTo,boolean isCore) {
return null;
}
@Override
public Node assertionRemoved(AtomicRole atomicRole,Node nodeFrom,Node nodeTo,boolean isCore) {
return null;
}
@Override
public Node nodesMerged(Node mergeFrom,Node mergeInto) {
return null;
}
@Override
public Node nodesUnmerged(Node mergeFrom,Node mergeInto) {
return null;
}
protected Set fetchAtomicConceptsLabel(Node node,boolean onlyCore) {
m_atomicConceptsBuffer.clear();
m_binaryTableSearch1Bound.getBindingsBuffer()[1]=node;
m_binaryTableSearch1Bound.open();
Object[] tupleBuffer=m_binaryTableSearch1Bound.getTupleBuffer();
while (!m_binaryTableSearch1Bound.afterLast()) {
Object concept=tupleBuffer[0];
if (concept instanceof AtomicConcept) {
if (!onlyCore || m_binaryTableSearch1Bound.isCore()) {
m_atomicConceptsBuffer.add((AtomicConcept)concept);
}
}
m_binaryTableSearch1Bound.next();
}
Set result=m_atomicConceptsSetFactory.getSet(m_atomicConceptsBuffer);
m_atomicConceptsBuffer.clear();
return result;
}
protected Set fetchAtomicRolesLabel(Node nodeFrom,Node nodeTo,boolean onlyCore) {
m_atomicRolesBuffer.clear();
m_ternaryTableSearch12Bound.getBindingsBuffer()[1] = nodeFrom;
m_ternaryTableSearch12Bound.getBindingsBuffer()[2] = nodeTo;
m_ternaryTableSearch12Bound.open();
Object[] tupleBuffer = m_ternaryTableSearch12Bound.getTupleBuffer();
while (!m_ternaryTableSearch12Bound.afterLast()) {
Object atomicRole = tupleBuffer[0];
if (atomicRole instanceof AtomicRole && (!onlyCore || m_binaryTableSearch1Bound.isCore())) {
m_atomicRolesBuffer.add((AtomicRole) atomicRole);
}
m_ternaryTableSearch12Bound.next();
}
Set result = m_atomicRolesSetFactory.getSet(m_atomicRolesBuffer);
m_atomicRolesBuffer.clear();
return result;
}
@Override
public BlockingSignature getBlockingSignatureFor(Node node) {
return new ValidatedBlockingSignature(this,node);
}
/**
* Blocking object.
*/
public class ValidatedSingleBlockingObject implements ValidatedBlockingObject {
protected final Node m_node;
protected boolean m_hasChangedForBlocking;
protected boolean m_hasChangedForValidation;
protected Set m_blockingRelevantLabel;
protected Set m_fullAtomicConceptsLabel;
protected Set m_fullFromParentLabel;
protected Set m_fullToParentLabel;
protected int m_blockingRelevantHashCode;
protected boolean m_blockViolatesParentConstraints=false;
protected boolean m_hasAlreadyBeenChecked=false;
/**
* @param node node
*/
public ValidatedSingleBlockingObject(Node node) {
m_node=node;
}
@Override
public void initialize() {
m_blockingRelevantLabel=null;
m_blockingRelevantHashCode=0;
m_fullAtomicConceptsLabel=null;
m_fullFromParentLabel=null;
m_fullToParentLabel=null;
m_hasChangedForBlocking=true;
m_hasChangedForValidation=true;
}
@Override
public void destroy() {
if (m_blockingRelevantLabel!=null) {
m_atomicConceptsSetFactory.removeReference(m_blockingRelevantLabel);
m_blockingRelevantLabel=null;
}
if (m_fullAtomicConceptsLabel!=null) {
m_atomicConceptsSetFactory.removeReference(m_fullAtomicConceptsLabel);
m_fullAtomicConceptsLabel=null;
}
if (m_fullFromParentLabel!=null) {
m_atomicRolesSetFactory.removeReference(m_fullFromParentLabel);
m_fullFromParentLabel=null;
}
if (m_fullToParentLabel!=null) {
m_atomicRolesSetFactory.removeReference(m_fullToParentLabel);
m_fullToParentLabel=null;
}
}
@Override
public Set getAtomicConceptsLabel() {
if (m_blockingRelevantLabel==null) {
m_blockingRelevantLabel=ValidatedSingleDirectBlockingChecker.this.fetchAtomicConceptsLabel(m_node,true);
m_atomicConceptsSetFactory.addReference(m_blockingRelevantLabel);
}
return m_blockingRelevantLabel;
}
@Override
public void addConcept(Concept concept, boolean isCore) {
// for validation purposes not only the core and atomic concept changes matter
m_hasChangedForValidation=true;
if (concept instanceof AtomicConcept) {
// relevant for blocking
if (m_fullAtomicConceptsLabel!=null) {
// invalidate, recompute real label later if necessary
m_atomicConceptsSetFactory.removeReference(m_fullAtomicConceptsLabel);
m_fullAtomicConceptsLabel=null;
}
if (isCore) {
if (m_blockingRelevantLabel!=null) {
// invalidate, recompute real label later if necessary
m_atomicConceptsSetFactory.removeReference(m_blockingRelevantLabel);
m_blockingRelevantLabel=null;
}
m_blockingRelevantHashCode+=concept.hashCode();
m_hasChangedForBlocking=true;
}
}
}
@Override
public void removeConcept(Concept concept, boolean isCore) {
// for validation purposes not only the core and atomicConcept
// changes matter
m_hasChangedForValidation = true;
if (concept instanceof AtomicConcept) {
if (m_fullAtomicConceptsLabel != null) {
// invalidate, recompute real label later if necessary
m_atomicConceptsSetFactory.removeReference(m_fullAtomicConceptsLabel);
m_fullAtomicConceptsLabel = null;
}
if (isCore) {
if (m_blockingRelevantLabel != null) {
// invalidate, recompute real label later if necessary
m_atomicConceptsSetFactory.removeReference(m_blockingRelevantLabel);
m_blockingRelevantLabel = null;
}
m_blockingRelevantHashCode-=concept.hashCode();
m_hasChangedForBlocking=true;
}
}
}
@Override
public Set getFullAtomicConceptsLabel() {
if (m_fullAtomicConceptsLabel==null) {
m_fullAtomicConceptsLabel=ValidatedSingleDirectBlockingChecker.this.fetchAtomicConceptsLabel(m_node,false);
m_atomicConceptsSetFactory.addReference(m_fullAtomicConceptsLabel);
}
return m_fullAtomicConceptsLabel;
}
@Override
public Set getFullFromParentLabel() {
if (m_hasChangedForValidation || m_fullFromParentLabel==null) {
m_fullFromParentLabel=ValidatedSingleDirectBlockingChecker.this.fetchAtomicRolesLabel(m_node.getParent(),m_node,false);
m_atomicRolesSetFactory.addReference(m_fullFromParentLabel);
}
return m_fullFromParentLabel;
}
@Override
public Set getFullToParentLabel() {
if (m_hasChangedForValidation || m_fullToParentLabel==null) {
m_fullToParentLabel=ValidatedSingleDirectBlockingChecker.this.fetchAtomicRolesLabel(m_node,m_node.getParent(),false);
m_atomicRolesSetFactory.addReference(m_fullToParentLabel);
}
return m_fullToParentLabel;
}
@Override
public void setBlockViolatesParentConstraints(boolean violates) {
m_blockViolatesParentConstraints=violates;
}
@Override
public void setHasAlreadyBeenChecked(boolean hasBeenChecked) {
m_hasAlreadyBeenChecked=hasBeenChecked;
}
@Override
public boolean hasAlreadyBeenChecked() {
return m_hasAlreadyBeenChecked;
}
@Override
public boolean blockViolatesParentConstraints() {
return m_blockViolatesParentConstraints;
}
}
protected static class ValidatedBlockingSignature extends BlockingSignature {
protected final Set m_blockingRelevantConceptsLabel;
protected final Set m_fullAtomicConceptsLabel;
protected final Set m_parentFullAtomicConceptsLabel;
protected final Set m_fromParentLabel;
protected final Set m_toParentLabel;
protected final int m_hashCode;
public ValidatedBlockingSignature(ValidatedSingleDirectBlockingChecker checker,Node node) {
ValidatedSingleBlockingObject nodeBlockingObject=(ValidatedSingleBlockingObject)node.getBlockingObject();
m_blockingRelevantConceptsLabel=nodeBlockingObject.getAtomicConceptsLabel();
m_fullAtomicConceptsLabel=nodeBlockingObject.getFullAtomicConceptsLabel();
m_parentFullAtomicConceptsLabel=((ValidatedSingleBlockingObject)node.getParent().getBlockingObject()).getFullAtomicConceptsLabel();
m_fromParentLabel=nodeBlockingObject.getFullFromParentLabel();
m_toParentLabel=nodeBlockingObject.getFullToParentLabel();
m_hashCode=m_blockingRelevantConceptsLabel.hashCode();
checker.m_atomicConceptsSetFactory.makePermanent(m_fullAtomicConceptsLabel);
checker.m_atomicConceptsSetFactory.makePermanent(m_parentFullAtomicConceptsLabel);
checker.m_atomicRolesSetFactory.makePermanent(m_fromParentLabel);
checker.m_atomicRolesSetFactory.makePermanent(m_toParentLabel);
}
@Override
public boolean blocksNode(Node node) {
ValidatedSingleBlockingObject nodeBlockingObject = (ValidatedSingleBlockingObject) node.getBlockingObject();
return nodeBlockingObject.getAtomicConceptsLabel() == m_blockingRelevantConceptsLabel;
}
@Override
public int hashCode() {
return m_hashCode;
}
@Override
public boolean equals(Object that) {
if (this==that)
return true;
if (!(that instanceof ValidatedBlockingSignature))
return false;
ValidatedBlockingSignature thatSignature=(ValidatedBlockingSignature)that;
return
m_blockingRelevantConceptsLabel==thatSignature.m_blockingRelevantConceptsLabel &&
m_fullAtomicConceptsLabel==thatSignature.m_fullAtomicConceptsLabel &&
m_parentFullAtomicConceptsLabel==thatSignature.m_parentFullAtomicConceptsLabel &&
m_fromParentLabel==thatSignature.m_fromParentLabel &&
m_toParentLabel==thatSignature.m_toParentLabel;
}
}
/**
* Validated blocking object.
*/
public static interface ValidatedBlockingObject {
/**
* Initialize.
*/
void initialize();
/**
* Destroy.
*/
void destroy();
/**
* @return atomic concepts label
*/
Set getAtomicConceptsLabel();
/**
* @param concept concept
* @param isCore isCore
*/
void addConcept(Concept concept, boolean isCore);
/**
* @param concept concept
* @param isCore isCore
*/
void removeConcept(Concept concept, boolean isCore);
/**
* @return full atomic concepts label
*/
Set getFullAtomicConceptsLabel();
/**
* @return full from parent label
*/
Set getFullFromParentLabel();
/**
* @return full to parent label
*/
Set getFullToParentLabel();
/**
* @param violates violates
*/
void setBlockViolatesParentConstraints(boolean violates);
/**
* @param hasBeenChecked hasBeenChecked
*/
void setHasAlreadyBeenChecked(boolean hasBeenChecked);
/**
* @return true if already checked
*/
boolean hasAlreadyBeenChecked();
/**
* @return true if block violates parent constraints
*/
boolean blockViolatesParentConstraints();
}
}