org.da.sparqlhelper.sparql.model.expressions

Class ArithmeticExpression

java.lang.Object

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

org.da.sparqlhelper.sparql.model.expressions.ArithmeticExpression

All Implemented Interfaces:

Expression

public class ArithmeticExpression
extends AbstractExpression

Represent an arithmetic expression appearing in a BIND, FILTER, or COALESCE construct.

Since:

0.1

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
ArithmeticExpression(Expression expr1, short operator, Expression expr2)
ArithmeticExpression(short operator)

Method Summary

Modifier and Type	Method and Description
void	addExpression(Expression expr)
void	appendContent(java.lang.String schema, java.lang.StringBuilder buf) Append the expression content to a buffer.
boolean	checkValidity(ISparqlRequestGroup request) Return true if the expression is valid.
short	getExpressionOperator() Return the expression operator between the two arguments.
Expression	getFirstExpression() Return the first expression.
Expression	getSecondExpression() Return the second expression.
void	setFirstExpression(Expression expr1) Set the first expression.
void	setOperator(short operator) Do nothing.
void	setSecondExpression(Expression expr2) Set the second expression.

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

getOperator

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, isSimpleExpression

Constructor Detail

ArithmeticExpression

public ArithmeticExpression(short operator)

ArithmeticExpression

public ArithmeticExpression(Expression expr1,
                            short operator,
                            Expression expr2)

Method Detail

setOperator

public void setOperator(short operator)

Do nothing.

Specified by:

setOperator in interface Expression

Overrides:

setOperator in class AbstractExpression

Parameters:

operator - the operator

addExpression

public void addExpression(Expression expr)

setFirstExpression

public void setFirstExpression(Expression expr1)

Set the first expression.

Parameters:

expr1 - the first expression

getFirstExpression

public Expression getFirstExpression()

Return the first expression.

Returns:

the first expression

setSecondExpression

public void setSecondExpression(Expression expr2)

Set the second expression.

Parameters:

expr2 - the second expression

getSecondExpression

public Expression getSecondExpression()

Return the second expression.

Returns:

the second expression

getExpressionOperator

public short getExpressionOperator()

Return the expression operator between the two arguments.

Returns:

the expression operator

checkValidity

public boolean checkValidity(ISparqlRequestGroup request)

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 schema,
                          java.lang.StringBuilder buf)

Append the expression content to a buffer.

Parameters:

schema - the schema

buf - the buffer