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ExpressionFunctionParameter.checkCardinality #701

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Dec 6, 2023
Merged

ExpressionFunctionParameter.checkCardinality #701

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8 changes: 6 additions & 2 deletions src/main/java/walkingkooka/tree/expression/function/ExpressionFunctionParameter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ public static <T> ExpressionFunctionParameter<T> with(final ExpressionFunctionPa
checkName(name);
checkType(type);
checkTypeParameters(typeParameters);
Objects.requireNonNull(cardinality, "cardinality");
checkCardinality(cardinality);
Objects.requireNonNull(kinds, "kinds");

return new ExpressionFunctionParameter<>(
Expand All @@ -114,6 +114,10 @@ private static List<Class<?>> checkTypeParameters(final List<Class<?>> typeParam
return Objects.requireNonNull(typeParameters, "typeParameters");
}

private static ExpressionFunctionParameterCardinality checkCardinality(final ExpressionFunctionParameterCardinality cardinality) {
return Objects.requireNonNull(cardinality, "cardinality");
}

private ExpressionFunctionParameter(final ExpressionFunctionParameterName name,
final Class<T> type,
final ExpressionFunctionParameterCardinality cardinality,
Expand Down Expand Up @@ -210,7 +214,7 @@ public ExpressionFunctionParameterCardinality cardinality() {
* Would be setter that returns a {@link ExpressionFunctionParameter} with the given {@link ExpressionFunctionParameterCardinality}.
*/
public ExpressionFunctionParameter<T> setCardinality(final ExpressionFunctionParameterCardinality cardinality) {
Objects.requireNonNull(cardinality, "cardinality");
checkCardinality(cardinality);

return this.cardinality.equals(cardinality) ?
this :
Expand Down
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