org.datanucleus.query.expression
Class OrderExpression

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

public class OrderExpression
extends Expression

Expression as part of an ordering clause. Composed of an expression and an order direction.

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

left, LOCALISER, lowestOperator, op, OP_ADD, OP_AND, OP_BETWEEN, 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_OR, OP_SUB, right, symbol

Constructor Summary

OrderExpression(SymbolTable symtbl, Expression expr)

OrderExpression(SymbolTable symtbl, Expression expr, java.lang.String sortOrder)

Method Summary

Symbol	bind()
java.lang.Object	evaluate(ExpressionEvaluator eval)
java.lang.String	getSortOrder()
java.lang.String	toString()

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

getLeft, getOperator, getRight, getSymbol

Methods inherited from class java.lang.Object

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

Constructor Detail

OrderExpression

public OrderExpression(SymbolTable symtbl,
                       Expression expr,
                       java.lang.String sortOrder)

OrderExpression

public OrderExpression(SymbolTable symtbl,
                       Expression expr)

Method Detail

getSortOrder

public java.lang.String getSortOrder()

bind

public Symbol bind()

Specified by:

bind in class Expression

evaluate

public java.lang.Object evaluate(ExpressionEvaluator eval)

Specified by:

evaluate in class Expression

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object