org.datanucleus.query.inmemory

Interface InvocationEvaluator

All Known Implementing Classes:

AbsFunction, ArcCosineFunction, ArcSineFunction, ArcTangentFunction, ArrayContainsMethod, ArraySizeMethod, CeilFunction, CoalesceFunction, CollectionContainsMethod, ConcatFunction, ContainerIsEmptyMethod, ContainerSizeMethod, CosineFunction, CurrentDateFunction, CurrentTimeFunction, CurrentTimestampFunction, DateGetDayMethod, DateGetHoursMethod, DateGetMinutesMethod, DateGetMonthMethod, DateGetSecondsMethod, DateGetTimeMethod, DateGetYearMethod, DegreesFunction, EnumMatchesMethod, EnumOrdinalMethod, EnumToStringMethod, ExpFunction, FloorFunction, LengthFunction, ListGetMethod, LocateFunction, LogFunction, LowerFunction, MapContainsEntryMethod, MapContainsKeyMethod, MapContainsValueMethod, MapGetMethod, MathFunction, ModFunction, NullIfFunction, ObjectGetClassMethod, RadiansFunction, SineFunction, SizeFunction, SqrtFunction, StringCharAtMethod, StringConcatMethod, StringEndsWithMethod, StringEqualsIgnoreCaseMethod, StringEqualsMethod, StringIndexOfMethod, StringLengthMethod, StringMatchesMethod, StringStartsWithMethod, StringSubstringMethod, StringToLowerCaseMethod, StringToUpperCaseMethod, StringTrimLeftMethod, StringTrimMethod, StringTrimRightMethod, SubstringFunction, TangentFunction, TrimFunction, UpperFunction

public interface InvocationEvaluator

Interface representing an evaluator for an invocation of a method/function.

Method Summary

Modifier and Type	Method and Description
Object	evaluate(InvokeExpression expr, Object invokedValue, InMemoryExpressionEvaluator eval) Method to evaluate the InvokeExpression, as part of the overall evaluation defined by the InMemoryExpressionEvaluator.

Method Detail

evaluate

Object evaluate(InvokeExpression expr,
                Object invokedValue,
                InMemoryExpressionEvaluator eval)

Method to evaluate the InvokeExpression, as part of the overall evaluation defined by the InMemoryExpressionEvaluator.

Parameters:

expr - The expression for invocation

invokedValue - Value on which we are invoking

eval - The overall evaluator for in-memory

Returns:

The result