org.datanucleus.query.expression
Class Literal

java.lang.Object
  org.datanucleus.query.expression.Expression
      org.datanucleus.query.expression.Literal

public class Literal
extends Expression

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

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

Literal(java.lang.Object value)

Method Summary

Symbol	bind(SymbolTable symtbl) Method to bind the expression to the symbol table as appropriate.
java.lang.Object	getLiteral()
void	negate()
java.lang.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(java.lang.Object value)

Method Detail

getLiteral

public java.lang.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 java.lang.String toString()

Overrides:

toString in class java.lang.Object