org.dllearner.algorithms.qtl.datastructures.impl

Class RDFResourceTree

java.lang.Object

org.dllearner.algorithms.qtl.datastructures.impl.GenericTree<org.apache.jena.graph.Node,RDFResourceTree>

org.dllearner.algorithms.qtl.datastructures.impl.RDFResourceTree

All Implemented Interfaces:

Serializable, Comparable<RDFResourceTree>

public class RDFResourceTree
extends GenericTree<org.apache.jena.graph.Node,RDFResourceTree>
implements Serializable, Comparable<RDFResourceTree>

Author:

Lorenz Buehmann

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RDFResourceTree.Rendering

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.jena.graph.Node	DEFAULT_LITERAL_NODE
static org.apache.jena.graph.Node	DEFAULT_VAR_NODE

Constructor Summary

Constructors

Constructor and Description
RDFResourceTree() Creates an empty resource tree with a default variable as label.
RDFResourceTree(int id) Creates an empty resource tree with a default variable as label and the given ID.
RDFResourceTree(int id, org.apache.jena.graph.Node data)
RDFResourceTree(int id, org.apache.jena.datatypes.RDFDatatype datatype) Create empty literal node with given ID and datatype.
RDFResourceTree(int id, org.apache.jena.datatypes.RDFDatatype datatype, Set<org.apache.jena.rdf.model.Literal> literals) Create literal node with given ID, datatype and a set of literal values.
RDFResourceTree(org.apache.jena.graph.Node data)
RDFResourceTree(org.apache.jena.datatypes.RDFDatatype datatype) Create empty literal node with given datatype.
RDFResourceTree(RDFResourceTree tree) Copy constructor that copies - node label - children recursively - datatype (if literal node) - anchor var (if exists)
RDFResourceTree(RDFResourceTree tree, boolean withChildren) Copy constructor that copies - node label - datatype (if literal node) - anchor var (if exists) Children are recursivly copied only if enabled.

Method Summary

Modifier and Type	Method and Description
void	addChild(RDFResourceTree child, org.apache.jena.graph.Node edge)
void	addChildAt(int index, RDFResourceTree child, org.apache.jena.graph.Node_URI edge)
void	addChildren(List<RDFResourceTree> children, org.apache.jena.graph.Node edge)
int	compareTo(RDFResourceTree other)
boolean	equals(Object o)
org.apache.jena.graph.Node	getAnchorVar()
List<RDFResourceTree>	getChildren()
List<RDFResourceTree>	getChildren(org.apache.jena.graph.Node edge)
org.apache.jena.datatypes.RDFDatatype	getDatatype()
SortedSet<org.apache.jena.graph.Node>	getEdges()
SortedSet<org.apache.jena.graph.Node>	getEdges(QueryTreeImpl.NodeType nodeType)
org.apache.jena.graph.Node	getEdgeToChild(RDFResourceTree child) Returns the edge from the current node to the given child node.
org.apache.jena.graph.Node	getEdgeToParent() Returns the edge from the parent node to the current node.
int	getID()
String	getStringRepresentation()
String	getStringRepresentation(boolean stopIfChildIsResourceNode) Prints the query tree and shows children of resources only if enabled.
String	getStringRepresentation(boolean stopIfChildIsResourceNode, RDFResourceTree.Rendering syntax, String baseIRI, org.apache.jena.shared.PrefixMapping pm) Prints the query tree and shows children of resources only if enabled.
String	getStringRepresentation(boolean stopIfChildIsResourceNode, RDFResourceTree.Rendering syntax, String baseIRI, org.apache.jena.shared.PrefixMapping pm, boolean showID) Prints the query tree and shows children of resources only if enabled.
String	getStringRepresentation(RDFResourceTree.Rendering syntax)
String	getStringRepresentation(RDFResourceTree.Rendering syntax, String baseIRI, org.apache.jena.shared.PrefixMapping pm)
String	getStringRepresentation(String baseIRI)
String	getStringRepresentation(String baseIRI, org.apache.jena.shared.PrefixMapping pm)
boolean	hasAnchor()
boolean	hasAnchor(org.apache.jena.graph.Node node)
boolean	hasChildren(org.apache.jena.graph.Node edge)
int	hashCode()
boolean	isClassNode()
boolean	isDataPropertyEdge(org.apache.jena.graph.Node edge)
boolean	isLiteralNode()
boolean	isLiteralValueNode()
boolean	isObjectPropertyEdge(org.apache.jena.graph.Node edge)
boolean	isResourceNode()
boolean	isVarNode()
static RDFResourceTree	newLiteralNode()
static RDFResourceTree	newVarNode()
void	removeChild(RDFResourceTree child, org.apache.jena.graph.Node edge)
void	replaceChild(RDFResourceTree oldChild, RDFResourceTree newChild, org.apache.jena.graph.Node edge)
void	setAnchorVar(org.apache.jena.graph.Node anchorVar)
void	setDatatype(org.apache.jena.datatypes.RDFDatatype datatype)
void	setId(int id)

Methods inherited from class org.dllearner.algorithms.qtl.datastructures.impl.GenericTree

addChild, addChildAt, addChildren, getChildAt, getData, getLeafs, getNumberOfChildren, getParent, hasChildren, isLeaf, isRoot, removeChild, removeChildAt, removeChildren, setChildren, setData, setParent, toString, toStringVerbose

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_VAR_NODE

public static final org.apache.jena.graph.Node DEFAULT_VAR_NODE

DEFAULT_LITERAL_NODE

public static final org.apache.jena.graph.Node DEFAULT_LITERAL_NODE

Constructor Detail

RDFResourceTree

public RDFResourceTree()

Creates an empty resource tree with a default variable as label.

RDFResourceTree

public RDFResourceTree(int id)

Creates an empty resource tree with a default variable as label and the given ID.

RDFResourceTree

public RDFResourceTree(int id,
                       org.apache.jena.graph.Node data)

RDFResourceTree

public RDFResourceTree(org.apache.jena.graph.Node data)

RDFResourceTree

public RDFResourceTree(org.apache.jena.datatypes.RDFDatatype datatype)

Create empty literal node with given datatype.

Parameters:

datatype - the datatype

RDFResourceTree

public RDFResourceTree(int id,
                       org.apache.jena.datatypes.RDFDatatype datatype)

Create empty literal node with given ID and datatype.

Parameters:

id - the ID

datatype - the datatype

RDFResourceTree

public RDFResourceTree(int id,
                       org.apache.jena.datatypes.RDFDatatype datatype,
                       Set<org.apache.jena.rdf.model.Literal> literals)

Create literal node with given ID, datatype and a set of literal values.

Parameters:

id - the ID

datatype - the datatype

literals - the literal values

RDFResourceTree

public RDFResourceTree(RDFResourceTree tree)

Copy constructor that copies - node label - children recursively - datatype (if literal node) - anchor var (if exists)

Parameters:

tree -

RDFResourceTree

public RDFResourceTree(RDFResourceTree tree,
                       boolean withChildren)

Copy constructor that copies - node label - datatype (if literal node) - anchor var (if exists) Children are recursivly copied only if enabled.

Parameters:

tree - the tree

withChildren - whether to copy also the children recursively

Method Detail

setAnchorVar

public void setAnchorVar(org.apache.jena.graph.Node anchorVar)

getAnchorVar

public org.apache.jena.graph.Node getAnchorVar()

hasAnchor

public boolean hasAnchor()

hasAnchor

public boolean hasAnchor(org.apache.jena.graph.Node node)

newVarNode

public static RDFResourceTree newVarNode()

newLiteralNode

public static RDFResourceTree newLiteralNode()

getID

public int getID()

Returns:

the ID of the tree

setId

public void setId(int id)

addChild

public void addChild(RDFResourceTree child,
                     org.apache.jena.graph.Node edge)

addChildren

public void addChildren(List<RDFResourceTree> children,
                        org.apache.jena.graph.Node edge)

addChildAt

public void addChildAt(int index,
                       RDFResourceTree child,
                       org.apache.jena.graph.Node_URI edge)
                throws IndexOutOfBoundsException

Throws:

IndexOutOfBoundsException

removeChild

public void removeChild(RDFResourceTree child,
                        org.apache.jena.graph.Node edge)

replaceChild

public void replaceChild(RDFResourceTree oldChild,
                         RDFResourceTree newChild,
                         org.apache.jena.graph.Node edge)

getChildren

public List<RDFResourceTree> getChildren()

Overrides:

getChildren in class GenericTree<org.apache.jena.graph.Node,RDFResourceTree>

Returns:

all direct children of this tree

getChildren

public List<RDFResourceTree> getChildren(org.apache.jena.graph.Node edge)

Parameters:

edge - the edge

Returns:

all children for the specified edge, or null if there is no child for the edge

getEdgeToChild

public org.apache.jena.graph.Node getEdgeToChild(RDFResourceTree child)

Returns the edge from the current node to the given child node.

Parameters:

child - the child node

Returns:

the edge

getEdgeToParent

public org.apache.jena.graph.Node getEdgeToParent()

Returns the edge from the parent node to the current node. If the current node is the root node, i.e. there is no parent, it will return null instead.

Returns:

the edge from the parent

hasChildren

public boolean hasChildren(org.apache.jena.graph.Node edge)

Parameters:

edge - the edge from the root node to the possible child nodes

Returns:

TRUE if there is at least one child connected by the given edge, otherwise FALSE

getEdges

public SortedSet<org.apache.jena.graph.Node> getEdges()

Returns:

all distinct outgoing edges.

getEdges

public SortedSet<org.apache.jena.graph.Node> getEdges(QueryTreeImpl.NodeType nodeType)

Returns:

all distinct outgoing edges to children of the given node type

isResourceNode

public boolean isResourceNode()

isClassNode

public boolean isClassNode()

isLiteralNode

public boolean isLiteralNode()

isLiteralValueNode

public boolean isLiteralValueNode()

isVarNode

public boolean isVarNode()

isObjectPropertyEdge

public boolean isObjectPropertyEdge(org.apache.jena.graph.Node edge)

isDataPropertyEdge

public boolean isDataPropertyEdge(org.apache.jena.graph.Node edge)

getDatatype

public org.apache.jena.datatypes.RDFDatatype getDatatype()

Returns:

the datatype if node is literal node

getStringRepresentation

public String getStringRepresentation()

getStringRepresentation

public String getStringRepresentation(RDFResourceTree.Rendering syntax)

getStringRepresentation

public String getStringRepresentation(String baseIRI)

getStringRepresentation

public String getStringRepresentation(String baseIRI,
                                      org.apache.jena.shared.PrefixMapping pm)

getStringRepresentation

public String getStringRepresentation(RDFResourceTree.Rendering syntax,
                                      String baseIRI,
                                      org.apache.jena.shared.PrefixMapping pm)

getStringRepresentation

public String getStringRepresentation(boolean stopIfChildIsResourceNode)

Prints the query tree and shows children of resources only if enabled.

Parameters:

stopIfChildIsResourceNode - do not show children of nodes that are resources

Returns:

the query tree

getStringRepresentation

public String getStringRepresentation(boolean stopIfChildIsResourceNode,
                                      RDFResourceTree.Rendering syntax,
                                      String baseIRI,
                                      org.apache.jena.shared.PrefixMapping pm)

Prints the query tree and shows children of resources only if enabled.

Parameters:

stopIfChildIsResourceNode - if a child node is not a variable, children will not be rendered

syntax - the syntax used for rendering

baseIRI - the base IRI

pm - the prefix mapping

Returns:

a rendered string representation of the tree

getStringRepresentation

public String getStringRepresentation(boolean stopIfChildIsResourceNode,
                                      RDFResourceTree.Rendering syntax,
                                      String baseIRI,
                                      org.apache.jena.shared.PrefixMapping pm,
                                      boolean showID)

Prints the query tree and shows children of resources only if enabled.

Parameters:

stopIfChildIsResourceNode - if a child node is not a variable, children will not be rendered

syntax - the syntax used for rendering

baseIRI - the base IRI

pm - the prefix mapping

showID - show the IDs of the nodes

Returns:

a rendered string representation of the tree

equals

public boolean equals(Object o)

Overrides:

equals in class GenericTree<org.apache.jena.graph.Node,RDFResourceTree>

hashCode

public int hashCode()

Overrides:

hashCode in class GenericTree<org.apache.jena.graph.Node,RDFResourceTree>

setDatatype

public void setDatatype(org.apache.jena.datatypes.RDFDatatype datatype)

Parameters:

datatype - the datatype to set

compareTo

public int compareTo(RDFResourceTree other)

Specified by:

compareTo in interface Comparable<RDFResourceTree>