org.da.sparqlhelper.sparql.model.expressions

Class QualifiedNameExpression

java.lang.Object

org.da.sparqlhelper.sparql.model.expressions.AbstractExpression

org.da.sparqlhelper.sparql.model.expressions.QualifiedNameExpression

All Implemented Interfaces:

Expression

public class QualifiedNameExpression
extends AbstractExpression

A qualified name expression (encapsulates a qualified name).

Since:

0.4

Field Summary

Fields inherited from class org.da.sparqlhelper.sparql.model.expressions.AbstractExpression

operator

Fields inherited from interface org.da.sparqlhelper.sparql.model.expressions.Expression

AND, DEFAULT, DIVIDE, MINUS, MULTIPLY, NOT, OR, PLUS

Constructor Summary

Constructors

Constructor and Description
QualifiedNameExpression(PrefixedName name)

Method Summary

Modifier and Type	Method and Description
void	appendContent(java.lang.String prefix, java.lang.StringBuilder buf) Append the expression content to a buffer.
boolean	checkValidity(ISparqlRequestGroup request) Return true if the expression is valid.
java.util.Set<java.lang.String>	getOutputVariables() Return an empty set.
PrefixedName	getPrefixedName() Return the qualified name.
java.util.Set<java.lang.String>	getVariables() Return an empty set.
boolean	isSimpleExpression() Return true.

Methods inherited from class org.da.sparqlhelper.sparql.model.expressions.AbstractExpression

getOperator, setOperator

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.da.sparqlhelper.sparql.model.expressions.Expression

getContent, getOperatorAsString, getOperatorAsString

Constructor Detail

QualifiedNameExpression

public QualifiedNameExpression(PrefixedName name)

Method Detail

getPrefixedName

public PrefixedName getPrefixedName()

Return the qualified name.

Returns:

the qualified name

getOutputVariables

public java.util.Set<java.lang.String> getOutputVariables()

Return an empty set.

Returns:

the variables

getVariables

public java.util.Set<java.lang.String> getVariables()

Return an empty set.

Returns:

the variables

isSimpleExpression

public boolean isSimpleExpression()

Return true.

Returns:

true

checkValidity

public boolean checkValidity(ISparqlRequestGroup request)

Description copied from interface: Expression

Return true if the expression is valid.

Parameters:

request - the request

Returns:

true if the expression is valid

appendContent

public void appendContent(java.lang.String prefix,
                          java.lang.StringBuilder buf)

Description copied from interface: Expression

Append the expression content to a buffer.

Parameters:

prefix - the prefix

buf - the buffer