Module org.datanucleus

Package org.datanucleus.store.query.expression

Interface ExpressionEvaluator

All Known Implementing Classes:

AbstractExpressionEvaluator, InMemoryExpressionEvaluator

public interface ExpressionEvaluator

Interface for an evaluator of an expression.

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Expression expr)	Method to evaluate the provided expression.

Method Detail

evaluate

Object evaluate(Expression expr)

Method to evaluate the provided expression.

Parameters:

expr - Expression to evaluate

Returns:

Evaluation of the expression