org.datanucleus.query.expression
Class PrimaryExpression

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

public class PrimaryExpression
extends Expression

Expression for a primary object. This may be a field, or an explicit variable/parameter. Implicit parameters are expressed by ParameterExpression since we know at compile time that they are parameters.

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

PrimaryExpression(SymbolTable symtbl, java.util.List tuples)

Method Summary

Symbol	bind()
java.lang.Object	evaluate(ExpressionEvaluator eval)
java.lang.String	getId()
java.util.List	getTuples()
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

PrimaryExpression

public PrimaryExpression(SymbolTable symtbl,
                         java.util.List tuples)

Method Detail

evaluate

public java.lang.Object evaluate(ExpressionEvaluator eval)

Specified by:

evaluate in class Expression

getId

public java.lang.String getId()

getTuples

public java.util.List getTuples()

bind

public Symbol bind()

Specified by:

bind in class Expression

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object