Class LuhnGenerator
java.lang.Object
org.instancio.internal.generator.AbstractGenerator<String>
org.instancio.internal.generator.text.LuhnGenerator
- All Implemented Interfaces:
Generator<String>
,GeneratorSpec<String>
,NullableGeneratorSpec<String>
,InternalLengthGeneratorSpec<String>
public class LuhnGenerator
extends AbstractGenerator<String>
implements NullableGeneratorSpec<String>, InternalLengthGeneratorSpec<String>
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionReturns the public API method name of the generator spec.checkIndex
(int idx) endIndex
(int idx) length
(int length) length
(int min, int max) nullable()
Indicates thatnull
value can be generated.nullable
(boolean isNullable) startIndex
(int idx) protected String
tryGenerateNonNull
(Random random) Makes the best effort to return a non-null value.Methods inherited from class org.instancio.internal.generator.AbstractGenerator
generate, getContext, hints, isNullable
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Constructor Details
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LuhnGenerator
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Method Details
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apiMethod
Description copied from class:AbstractGenerator
Returns the public API method name of the generator spec. The returned name is used for reporting validation errors.- Specified by:
apiMethod
in classAbstractGenerator<String>
- Returns:
- spec name if defined, or
null
otherwise
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nullable
Description copied from interface:NullableGeneratorSpec
Indicates thatnull
value can be generated.- Specified by:
nullable
in interfaceNullableGeneratorSpec<String>
- Overrides:
nullable
in classAbstractGenerator<String>
- Returns:
- spec builder
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nullable
- Overrides:
nullable
in classAbstractGenerator<String>
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startIndex
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endIndex
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checkIndex
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length
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length
- Specified by:
length
in interfaceInternalLengthGeneratorSpec<String>
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tryGenerateNonNull
Description copied from class:AbstractGenerator
Makes the best effort to return a non-null value. However, in certain cases this method will produce anull
.- Specified by:
tryGenerateNonNull
in classAbstractGenerator<String>
- Parameters:
random
- for generating the value- Returns:
- generated value, either a null or non-null
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