FilterStrategy class abstract interface

Filters the children of a nodeset by a predicate, or delegates to the next strategy in the chain.

Port of org.javarosa.core.model.condition.FilterStrategy; strategies form a chain ending with RawFilterStrategy.

Implementers

• ComparisonExpressionCacheFilterStrategy
• EqualityExpressionIndexFilterStrategy
• IdempotentExpressionCacheFilterStrategy
• RawFilterStrategy

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

filter(DataInstance sourceInstance, TreeReference nodeset, XPathExpression predicate, List<TreeReference> children, EvaluationContext context, List<TreeReference> next()) → List<TreeReference>

The children of nodeset that pass predicate, or the result of next (the rest of the chain) when this strategy doesn't apply.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited