Class NullFilter
java.lang.Object
com.blazebit.persistence.view.AttributeFilterProvider<Object>
com.blazebit.persistence.view.filter.NullFilter
public abstract class NullFilter extends AttributeFilterProvider<Object>
A placeholder for a filter implementation that implements a is null and is not null filter.
This placeholder can be used in a
AttributeFilter
annotation.
A null filter accepts an object. The Object.toString() representation of that object will be parsed to a boolean
if the object is not instance of Boolean.
If the resulting boolean is true, the filter will apply an is null restriction, otherwise an is not null restriction.- Since:
- 1.0.0
- Author:
- Christian Beikov
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Constructor Summary
Constructors Constructor Description NullFilter()
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Method Summary
Methods inherited from class com.blazebit.persistence.view.AttributeFilterProvider
apply, apply, apply
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Constructor Details
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NullFilter
public NullFilter()
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