org.datanucleus.query.expression

Class Literal

java.lang.Object

org.datanucleus.query.expression.Expression

org.datanucleus.query.expression.Literal

All Implemented Interfaces:

Serializable

public class Literal
extends Expression

Literal of some type (String, Double, Long, BigDecimal, etc).

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.datanucleus.query.expression.Expression

Expression.DyadicOperator, Expression.MonadicOperator, Expression.Operator

Field Summary

Fields inherited from class org.datanucleus.query.expression.Expression

alias, left, LOCALISER, op, OP_ADD, OP_AND, OP_CAST, OP_COM, OP_CONCAT, OP_DISTINCT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_NOTIN, OP_OR, OP_SUB, parent, right, symbol

Constructor Summary

Constructors

Constructor and Description
Literal(Object value)

Method Summary

Methods

Modifier and Type	Method and Description
Symbol	bind(SymbolTable symtbl) Method to bind the expression to the symbol table as appropriate.
Object	getLiteral()
void	negate()
String	toString()

Methods inherited from class org.datanucleus.query.expression.Expression

evaluate, getAlias, getLeft, getOperator, getParent, getRight, getSymbol, setAlias, setLeft, setRight

Methods inherited from class java.lang.Object

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

Constructor Detail

Literal

public Literal(Object value)

Method Detail

getLiteral

public Object getLiteral()

negate

public void negate()

bind

public Symbol bind(SymbolTable symtbl)

Method to bind the expression to the symbol table as appropriate.

Specified by:

bind in class Expression

Parameters:

symtbl - Symbol Table

Returns:

The symbol for this expression

toString

public String toString()

Overrides:

toString in class Object