LabelToNodeMap (Apache Jena ARQ)

java.lang.Object

org.apache.jena.sparql.lang.LabelToNodeMap

public class LabelToNodeMap extends Object

Map from _:* form to bNodes or variables. Used in SPARQL parsing. See also LabelToNode in RIOT for language parser label to node mapping.

Method Summary

Modifier and Type

Method

Description

org.apache.jena.graph.Node

allocNode()

org.apache.jena.graph.Node

asNode(String label)

void

clear()

static LabelToNodeMap

createBNodeMap()

Deprecated.
Internal use only.

static LabelToNodeMap

createVarMap()

Create variables (Var), starting from zero each time This means that parsing a query string will generate the same variable names for bNode variables each time, making Query.equals and Query.hashCode work.

Set<String>

getLabels()

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- createBNodeMap
  
  @Deprecated public static LabelToNodeMap createBNodeMap()
  
  Deprecated.
  Internal use only. Use LabelToNode.createUseLabelAsGiven()
  
  Create blank nodes, with the same blank node returned for the same label.
  
  Returns:
  
  LabelToNodeMap
- createVarMap
  
  public static LabelToNodeMap createVarMap()
  
  Create variables (Var), starting from zero each time This means that parsing a query string will generate the same variable names for bNode variables each time, making Query.equals and Query.hashCode work.
  
  Returns:
  
  LabelToNodeMap
- getLabels
  
  public Set<String> getLabels()
- asNode
  
  public org.apache.jena.graph.Node asNode(String label)
- allocNode
  
  public org.apache.jena.graph.Node allocNode()
- clear
  
  public void clear()