com.bigdata.rdf.sparql.ast

Class ConstantNode

java.lang.Object

com.bigdata.bop.CoreBaseBOp

com.bigdata.bop.ModifiableBOpBase

com.bigdata.rdf.sparql.ast.ASTBase

com.bigdata.rdf.sparql.ast.ValueExpressionNode

com.bigdata.rdf.sparql.ast.TermNode

com.bigdata.rdf.sparql.ast.ConstantNode

All Implemented Interfaces:

BOp, IValueExpressionNode, IPropertySet, Serializable, Cloneable

Direct Known Subclasses:

DummyConstantNode

public class ConstantNode
extends TermNode

Used to represent a constant in the AST.

Author:

mikepersonick

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bigdata.bop.CoreBaseBOp

DEFAULT_INITIAL_CAPACITY

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Constructor Summary

Constructors

Constructor and Description
ConstantNode(BOp[] args, Map<String,Object> anns) Required shallow copy constructor.
ConstantNode(ConstantNode op) Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).
ConstantNode(IConstant<IV> val)
ConstantNode(IV val)

Method Summary

Methods

Modifier and Type	Method and Description
IConstant<IV>	getValueExpression() Strengthen return type.
String	toString() Return a non-recursive representation of the arguments and annotations for this BOp.

Methods inherited from class com.bigdata.rdf.sparql.ast.TermNode

getValue, invalidate, setValueExpression, toString

Methods inherited from class com.bigdata.rdf.sparql.ast.ValueExpressionNode

getRequiredValueExpression, isConstant, isFunction, isVariable, toShortString

Methods inherited from class com.bigdata.rdf.sparql.ast.ASTBase

addExplainHint, getExplainHints, getQueryHint, getQueryHint, getQueryHintAsBoolean, getQueryHintAsBoolean, getQueryHintAsInteger, getQueryHints, replaceAllWith, setQueryHint, setQueryHints

Methods inherited from class com.bigdata.bop.ModifiableBOpBase

addArg, addArg, addArgIfAbsent, annotations, annotationsEqual, argIterator, args, arity, clearProperty, copyAll, get, getProperty, indexOf, removeArg, replaceWith, setArg, setArgs, setId, setProperty, setUnboundProperty, toArray, toArray

Methods inherited from class com.bigdata.bop.CoreBaseBOp

annotationsEqual, annotationsToString, annotationsToString, annotationValueToString, checkArgs, clone, equals, getEvaluationContext, getId, getProperty, getRequiredProperty, hashCode, indent, isController, mutation, shortenName

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ConstantNode

public ConstantNode(ConstantNode op)

Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

ConstantNode

public ConstantNode(BOp[] args,
            Map<String,Object> anns)

Required shallow copy constructor.

ConstantNode

public ConstantNode(IV val)

ConstantNode

public ConstantNode(IConstant<IV> val)

Method Detail

getValueExpression

public IConstant<IV> getValueExpression()

Strengthen return type.

Specified by:

getValueExpression in interface IValueExpressionNode

Overrides:

getValueExpression in class TermNode

toString

public String toString()

Description copied from class: CoreBaseBOp

Return a non-recursive representation of the arguments and annotations for this BOp.

Specified by:

toString in interface BOp

Overrides:

toString in class CoreBaseBOp