Operation

java.lang.Object

org.eclipse.rdf4j.sparqlbuilder.core.QueryElementCollection<Operand>

org.eclipse.rdf4j.sparqlbuilder.core.StandardQueryElementCollection<Operand>

org.eclipse.rdf4j.sparqlbuilder.constraint.Expression<T>

org.eclipse.rdf4j.sparqlbuilder.constraint.Operation<T>

Type Parameters:: T - The type of operation. Used to support fluency.

All Implemented Interfaces:: Operand, Assignable, Groupable, Orderable, QueryElement

Direct Known Subclasses:: BinaryOperation, ConnectiveOperation, UnaryOperation

abstract class Operation<T extends Operation<T>> extends Expression<T>

A SPARQL Operation. Differs from a Function in the way operators and arguments are printed.

Field Summary

Fields

Modifier and Type

Field

Description

protected int

operandLimit

Fields inherited from class Expression
operator

Fields inherited from class QueryElementCollection
elements
Constructor Summary

Constructors

Constructor

Description

Operation(SparqlOperator operator)

Operation(SparqlOperator operator, int operandLimit)
Method Summary

Modifier and Type

Method

Description

(package private) T

addOperand(Operand operand)

String

getQueryString()

protected boolean

isAtOperatorLimit()

protected boolean

isBelowOperatorLimit()

Methods inherited from class Expression
addOperand, getOperand, parenthesize, parenthesize

Methods inherited from class StandardQueryElementCollection
printBodyIfEmpty, printNameIfEmpty, resetWrapperMethod, setOperatorName, setOperatorName, setWrapperMethod

Methods inherited from class QueryElementCollection
addElements, addElements, isEmpty

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Assignable
as

Methods inherited from interface Orderable
asc, desc

Field Details
- operandLimit
  
  protected int operandLimit
Constructor Details
- Operation
  
  Operation(SparqlOperator operator)
- Operation
  
  Operation(SparqlOperator operator, int operandLimit)
Method Details
- addOperand
  
  T addOperand(Operand operand)
- getQueryString
  
  public String getQueryString()
  
  Specified by:
  
  getQueryString in interface QueryElement
  
  Overrides:
  
  getQueryString in class StandardQueryElementCollection<Operand>
  
  Returns:
  
  the String representing the SPARQL syntax of this element
- isBelowOperatorLimit
  
  protected boolean isBelowOperatorLimit()
- isAtOperatorLimit
  
  protected boolean isAtOperatorLimit()