org.openrdf.query.algebra
Class Compare

java.lang.Object
  org.openrdf.query.algebra.QueryModelNodeBase
      org.openrdf.query.algebra.BinaryValueOperator
          org.openrdf.query.algebra.Compare

All Implemented Interfaces:

Cloneable, QueryModelNode, ValueExpr

public class Compare
extends BinaryValueOperator

A comparison between two values.

Nested Class Summary

static class

Compare.CompareOp

Field Summary

Fields inherited from class org.openrdf.query.algebra.BinaryValueOperator

leftArg, rightArg

Constructor Summary

Compare()

Compare(ValueExpr leftArg, ValueExpr rightArg)

Compare(ValueExpr leftArg, ValueExpr rightArg, Compare.CompareOp operator)

Method Summary

Compare	clone() Returns a (deep) clone of this query model node.
Compare.CompareOp	getOperator()
String	getSignature() Default implementation of QueryModelNode.getSignature() that prints the name of the node's class.
void	setOperator(Compare.CompareOp operator)
<X extends Exception> void	visit(QueryModelVisitor<X> visitor) Visits this node.

Methods inherited from class org.openrdf.query.algebra.BinaryValueOperator

getLeftArg, getRightArg, replaceChildNode, setLeftArg, setRightArg, visitChildren

Methods inherited from class org.openrdf.query.algebra.QueryModelNodeBase

getParentNode, replaceWith, setParentNode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.query.algebra.QueryModelNode

getParentNode, replaceWith, setParentNode, toString

Constructor Detail

Compare

public Compare()

Compare

public Compare(ValueExpr leftArg,
               ValueExpr rightArg)

Compare

public Compare(ValueExpr leftArg,
               ValueExpr rightArg,
               Compare.CompareOp operator)

Method Detail

getOperator

public Compare.CompareOp getOperator()

setOperator

public void setOperator(Compare.CompareOp operator)

visit

public <X extends Exception> void visit(QueryModelVisitor<X> visitor)
           throws X extends Exception

Description copied from interface: QueryModelNode

Visits this node. The node reports itself to the visitor with the proper runtime type.

Throws:

X extends Exception

getSignature

public String getSignature()

Description copied from class: QueryModelNodeBase

Default implementation of QueryModelNode.getSignature() that prints the name of the node's class.

Specified by:

getSignature in interface QueryModelNode

Overrides:

getSignature in class QueryModelNodeBase

Returns:

The node's signature, e.g. SLICE (offset=10, limit=10).

clone

public Compare clone()

Description copied from interface: QueryModelNode

Returns a (deep) clone of this query model node. This method recursively clones the entire node tree, starting from this nodes.

Specified by:

clone in interface QueryModelNode

Specified by:

clone in interface ValueExpr

Overrides:

clone in class BinaryValueOperator

Returns:

A deep clone of this query model node.