org.licas_text.query.sparql.model

Class SparqlTriple

java.lang.Object

org.licas_text.query.sparql.model.SparqlElement

org.licas_text.query.sparql.model.SparqlEndpoint

org.licas_text.query.sparql.model.SparqlPrefix

org.licas_text.query.sparql.model.SparqlTriple

Direct Known Subclasses:

SparqlFrom, SparqlService

public class SparqlTriple
extends SparqlPrefix

The base RDF element type for a SPARQL query component. This stores an RDF triple of a subject, predicate and object. If fewer variables are used, add in the order subject-predicate-object and ignore if null.

Author:

Kieran Greer

Field Summary

Fields

Modifier and Type	Field and Description
protected SparqlElement	object RDF object
protected SparqlElement	predicate RDF predicate
protected SparqlElement	subject RDF subject
protected SparqlTriple	subQuery A sub-query of this query

Fields inherited from class org.licas_text.query.sparql.model.SparqlPrefix

prefixID

Fields inherited from class org.licas_text.query.sparql.model.SparqlEndpoint

uri

Fields inherited from class org.licas_text.query.sparql.model.SparqlElement

filter, function, not, type, uuid, value

Constructor Summary

Constructors

Constructor and Description
SparqlTriple() Create a new instance of SparqlTriple

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	funcQueryString(java.lang.String functionType) Get a string-based description of this query component for a function.
SparqlElement	getElement(java.lang.String elemID) Get the element with the specified unique ID.
SparqlElement	getObject() Get the full triple object field.
SparqlElement	getPredicate() Get the full triple predicate field.
SparqlElement	getSubject() Get the full triple subject field.
SparqlTriple	getSubQuery() Get the sub-query field.
java.lang.String	getValue() Get a string-based value for this element.
java.lang.String	partToString() Get a string-based description of this query component for info purposes only.
java.lang.String	queryString() Get a string-based description of this query component, with add type as true.
java.lang.String	queryString(boolean addType) Get a string-based description of this query component.
void	reset() Reset the values
void	setObject(SparqlElement thisObject) Set the full triple object field.
void	setObject(java.lang.String thisObject) Set the triple object field.
void	setObject(java.lang.String thisObject, java.lang.String thisType) Set the triple object field.
void	setPredicate(SparqlElement thisPredicate) Set the full triple predicate field.
void	setPredicate(java.lang.String thisPredicate) Set the triple predicate field.
void	setPredicate(java.lang.String thisPredicate, java.lang.String thisType) Set the triple predicate field.
void	setSubject(SparqlElement thisSubject) Set the triple subject field.
void	setSubject(java.lang.String thisSubject) Set the triple subject field.
void	setSubject(java.lang.String thisSubject, java.lang.String thisType) Set the triple subject field.
void	setSubQuery(SparqlTriple thisSubQuery) Set a sub-query field to this query element.

Methods inherited from class org.licas_text.query.sparql.model.SparqlPrefix

formatPrefix, getPrefixID, setPrefixID

Methods inherited from class org.licas_text.query.sparql.model.SparqlEndpoint

getUri, setUri

Methods inherited from class org.licas_text.query.sparql.model.SparqlElement

getType, getUuid, setFilter, setFunction, setNot, setType, setUuid, setValue

Methods inherited from class java.lang.Object

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

Field Detail

subject

protected SparqlElement subject

RDF subject

predicate

protected SparqlElement predicate

RDF predicate

object

protected SparqlElement object

RDF object

subQuery

protected SparqlTriple subQuery

A sub-query of this query

Constructor Detail

SparqlTriple

public SparqlTriple()

Create a new instance of SparqlTriple

Method Detail

reset

public void reset()

Reset the values

Overrides:

reset in class SparqlPrefix

getElement

public SparqlElement getElement(java.lang.String elemID)

Get the element with the specified unique ID.

Overrides:

getElement in class SparqlEndpoint

Parameters:

elemID - the element id.

Returns:

the element in the query with that id.

setSubject

public void setSubject(java.lang.String thisSubject)

Set the triple subject field. Create the triple and set the value for it.

Parameters:

thisSubject - the subject name value.

setSubject

public void setSubject(java.lang.String thisSubject,
                       java.lang.String thisType)

Set the triple subject field. Create the triple, and set the value and type for it.

Parameters:

thisSubject - the subject name value.

thisType - the additional type description. Can be null.

setSubject

public void setSubject(SparqlElement thisSubject)

Set the triple subject field.

Parameters:

thisSubject - the full subject value.

getSubject

public SparqlElement getSubject()

Get the full triple subject field.

Returns:

the value of subject.

setPredicate

public void setPredicate(java.lang.String thisPredicate)

Set the triple predicate field. Create the triple, and set the value for it.

Parameters:

thisPredicate - the predicate name value.

setPredicate

public void setPredicate(java.lang.String thisPredicate,
                         java.lang.String thisType)

Set the triple predicate field. Create the triple, and set the value and type for it.

Parameters:

thisPredicate - the predicate name value.

thisType - the additional type description. Can be null.

setPredicate

public void setPredicate(SparqlElement thisPredicate)

Set the full triple predicate field.

Parameters:

thisPredicate - the predicate value.

getPredicate

public SparqlElement getPredicate()

Get the full triple predicate field.

Returns:

the value of predicate.

setObject

public void setObject(java.lang.String thisObject)

Set the triple object field. Create the triple, and set the value and type for it.

Parameters:

thisObject - the object name value.

setObject

public void setObject(java.lang.String thisObject,
                      java.lang.String thisType)

Set the triple object field. Create the triple, and set the value and type for it.

Parameters:

thisObject - the object name value.

thisType - the additional type description. Can be null.

setObject

public void setObject(SparqlElement thisObject)

Set the full triple object field.

Parameters:

thisObject - the object value.

getObject

public SparqlElement getObject()

Get the full triple object field.

Returns:

the value of object.

setSubQuery

public void setSubQuery(SparqlTriple thisSubQuery)

Set a sub-query field to this query element.

Parameters:

thisSubQuery - the sub-query.

getSubQuery

public SparqlTriple getSubQuery()

Get the sub-query field.

Returns:

the value of subQuery.

getValue

public java.lang.String getValue()

Get a string-based value for this element.

Overrides:

getValue in class SparqlPrefix

Returns:

the value.

queryString

public java.lang.String queryString()

Get a string-based description of this query component, with add type as true.

Overrides:

queryString in class SparqlPrefix

Returns:

a string-based description of this query part.

queryString

public java.lang.String queryString(boolean addType)

Get a string-based description of this query component.

Parameters:

addType - if true add additional type info.

Returns:

a string-based description of this query part.

funcQueryString

protected java.lang.String funcQueryString(java.lang.String functionType)

Get a string-based description of this query component for a function.

Parameters:

functionType - the function type as different formats are required.

Returns:

a string-based description of this query part, properly formatted.

partToString

public java.lang.String partToString()

Get a string-based description of this query component for info purposes only. Most of the formatting is removed and each clause is a single line.

Overrides:

partToString in class SparqlPrefix

Returns:

a string-based description of this query part.