org.datanucleus.query.expression
Interface ExpressionEvaluator

All Known Implementing Classes:

AbstractExpressionEvaluator, InMemoryExpressionEvaluator

public interface ExpressionEvaluator

Interface for an evaluator of an expression.

Method Summary

java.lang.Object

evaluate(Expression expr) Method to evaluate the provided expression.

Method Detail

evaluate

java.lang.Object evaluate(Expression expr)

Method to evaluate the provided expression.

Parameters:

expr - Expression to evaluate

Returns:

Evaluation of the expression