Package io.dialob.program.model

Interface Expression

All Superinterfaces:

Serializable

All Known Subinterfaces:

AbstractComparableRelationOperator<T>, AbstractLogicalOperator, AbstractRelationOperator<T>, ArrayReducerOperator<T>, AvailableItemsListOperator, BinaryOperator<T>, CoerceToDecimalOperator, CollectRowFieldsOperator, ConcatOperator, ConditionalListOperator<T>, Constant<T>, ContextVariableReference<T>, CountArrayLengthOperator, DateMinusDateOperator, DateMinusPeriodOperator, DatePlusPeriodOperator, EqOperator<T>, ExpressionList, FormatOperator, FunctionCallOperator, GeOperator<T>, GtOperator<T>, InfixOperator<T>, InOperator, IsActiveOperator, IsAnsweredOperator, IsAnyInvalidAnswersOperator, IsBlankOperator, IsDisabledOperator, IsInactiveOrNullOperator, IsInvalidAnswersOnActivePage, IsNullOperator, IsOnFirstPage, IsOnLastPage, IsRequiredOperator, IsValidOperator, LanguageExpression, LeOperator<T>, LocalizedLabelOperator, LtOperator<T>, MatchesOperator, NegOperator, NegOperatorDecimal, NegOperatorNumber, NeOperator<T>, NotOnPageExpression, NotOperator, NowExpression, PeriodGeOperator, PeriodGtOperator, PeriodLeOperator, PeriodLtOperator, RowItemsExpression, StringTemplateOperator, TimeMinusDurationOperator, TimeMinusTimeOperator, TimePlusDurationOperator, TodayExpression, ToLowerCaseOperator, ToStringOperator, ToUpperCaseOperator, UnaryOperator, ValueSetEntryToStringOperator, VariableReference<T>

All Known Implementing Classes:

ImmutableArrayReducerOperator, ImmutableBinaryOperator, ImmutableCoerceToDecimalOperator, ImmutableCollectRowFieldsOperator, ImmutableConcatOperator, ImmutableConditionalListOperator, ImmutableConstant, ImmutableContextVariableReference, ImmutableCountArrayLengthOperator, ImmutableDateMinusDateOperator, ImmutableDateMinusPeriodOperator, ImmutableDatePlusPeriodOperator, ImmutableEqOperator, ImmutableExpressionList, ImmutableFormatOperator, ImmutableFunctionCallOperator, ImmutableGeOperator, ImmutableGtOperator, ImmutableInOperator, ImmutableIsActiveOperator, ImmutableIsAnsweredOperator, ImmutableIsAnyInvalidAnswersOperator, ImmutableIsBlankOperator, ImmutableIsDisabledOperator, ImmutableIsInactiveOrNullOperator, ImmutableIsInvalidAnswersOnActivePage, ImmutableIsNullOperator, ImmutableIsOnFirstPage, ImmutableIsOnLastPage, ImmutableIsRequiredOperator, ImmutableIsValidOperator, ImmutableLanguageExpression, ImmutableLeOperator, ImmutableLocalizedLabelOperator, ImmutableLtOperator, ImmutableMatchesOperator, ImmutableNegOperatorDecimal, ImmutableNegOperatorNumber, ImmutableNeOperator, ImmutableNotOnPageExpression, ImmutableNotOperator, ImmutableNowExpression, ImmutablePeriodGeOperator, ImmutablePeriodGtOperator, ImmutablePeriodLeOperator, ImmutablePeriodLtOperator, ImmutableRowItemsExpression, ImmutableStringTemplateOperator, ImmutableTimeMinusDurationOperator, ImmutableTimeMinusTimeOperator, ImmutableTimePlusDurationOperator, ImmutableTodayExpression, ImmutableToLowerCaseOperator, ImmutableToStringOperator, ImmutableToUpperCaseOperator, ImmutableValueSetEntryToStringOperator, ImmutableVariableReference

public interface Expression
extends Serializable

Method Summary

Modifier and Type	Method	Description
Object	eval(EvalContext evalContext)
default Set<EventMatcher>	getEvalRequiredConditions()
ValueType	getValueType()

Method Detail

getValueType

@Parameter(order=100)
@Nonnull
ValueType getValueType()

getEvalRequiredConditions

@Nonnull
default Set<EventMatcher> getEvalRequiredConditions()

eval

@Nullable
Object eval(@Nonnull
            EvalContext evalContext)