PropertyIsNullPredicate (Qi4j SDK 1.3)

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org.qi4j.api.query.grammar
Interface PropertyIsNullPredicate<T>

All Superinterfaces:: BooleanExpression, Predicate, PropertyNullPredicate<T>

public interface PropertyIsNullPredicate<T>
extends PropertyNullPredicate<T>
extends PropertyNullPredicate<T>

Constraints that a Property is null (not set).

Method Summary

Methods inherited from interface org.qi4j.api.query.grammar.PropertyNullPredicate
`propertyReference`

Methods inherited from interface org.qi4j.api.query.grammar.BooleanExpression
`eval`