org.licas_text.query.sparql.model

Class SparqlWhere

java.lang.Object

org.licas_text.query.sparql.model.SparqlElement

org.licas_text.query.sparql.model.SparqlWhere

Direct Known Subclasses:

SparqlSubWhere

public class SparqlWhere
extends SparqlElement

The SPARQL Where conditions. A set of RDF triple statements, or a list of other select statements to make.

Author:

Kieran Greer

Field Summary

Fields

Modifier and Type	Field and Description
protected SparqlSelect	select Select description for this where clause, can be null.
protected SparqlService	service Service description to execute statement on, can be null.
protected java.util.ArrayList<SparqlElement>	subClauses List of sub-clause statements.

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

filter, function, not, type, uuid, value

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addClause(SparqlSubWhere thisWhere) Add a new sub-where statement.
void	addClause(SparqlTriple thisTriple) Add a new triple statement.
java.lang.String	addSelect(SparqlTriple thisSelect) Add a select statement projection.
void	addService(java.lang.String thisService) Set the service field.
java.util.ArrayList<SparqlElement>	getClauses() Get the full list of sub-clause statements.
SparqlElement	getElement(java.lang.String elemID) Get the element with the specified unique ID.
SparqlSelect	getSelect() Get the select statement, to add condition or other to it.
SparqlService	getService() Get the sparql Service 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

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

select

protected SparqlSelect select

Select description for this where clause, can be null.

service

protected SparqlService service

Service description to execute statement on, can be null.

subClauses

protected java.util.ArrayList<SparqlElement> subClauses

List of sub-clause statements. Of type SparqlTriple or SparqlSubWere.

Constructor Detail

SparqlWhere

public SparqlWhere()

Create a new instance of SparqlWhere

Method Detail

reset

public void reset()

Reset the values

Overrides:

reset in class SparqlElement

getElement

public SparqlElement getElement(java.lang.String elemID)

Get the element with the specified unique ID.

Specified by:

getElement in class SparqlElement

Parameters:

elemID - the element id.

Returns:

the element in the query with that id.

addSelect

public java.lang.String addSelect(SparqlTriple thisSelect)

Add a select statement projection.

Parameters:

thisSelect - the projection statement to add.

Returns:

the unique id of the added select statement.

getSelect

public SparqlSelect getSelect()

Get the select statement, to add condition or other to it.

Returns:

the select statement or null if one has not been added.

addService

public void addService(java.lang.String thisService)

Set the service field.

Parameters:

thisService - the service uri value.

getService

public SparqlService getService()

Get the sparql Service field.

Returns:

the value of service.

addClause

public void addClause(SparqlTriple thisTriple)

Add a new triple statement.

Parameters:

thisTriple - the triple statement.

addClause

public void addClause(SparqlSubWhere thisWhere)

Add a new sub-where statement.

Parameters:

thisWhere - the sub-where statement.

getClauses

public java.util.ArrayList<SparqlElement> getClauses()

Get the full list of sub-clause statements.

Returns:

the value of subClauses.

getValue

public java.lang.String getValue()

Get a string-based value for this element.

Overrides:

getValue in class SparqlElement

Returns:

the value.

queryString

public java.lang.String queryString()

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

Specified by:

queryString in class SparqlElement

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.

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.

Specified by:

partToString in class SparqlElement

Returns:

a string-based description of this query part.