Module com.github.cowwoc.requirements10.java
Package com.github.cowwoc.requirements10.java.validator.component

Interface NegativeNumberComponent<S>

Type Parameters:
S - the type of this validator
All Known Subinterfaces:
BigDecimalValidator, BigIntegerValidator, ByteValidator, DoubleValidator, FloatValidator, IntegerValidator, LongValidator, PrimitiveByteValidator, PrimitiveDoubleValidator, PrimitiveFloatValidator, PrimitiveIntegerValidator, PrimitiveLongValidator, PrimitiveShortValidator, ShortValidator
public interface NegativeNumberComponent<S>
Methods that validators for numbers that may be negative must contain.

  • Method Summary

    Modifier and Type
    Method
    Description
    S
    isNegative()
    Ensures that the value is a negative number.
    S
    isNotNegative()
    Ensures that the value is not a negative number.

  • Method Details

    • isNegative

      S isNegative()
      Ensures that the value is a negative number. -0.0 is considered to be zero *and* negative.
      Returns:
      this
      Throws:
      NullPointerException - if the value is null
      IllegalArgumentException - if the value is:
      • not negative
      • not a number

    • isNotNegative

      S isNotNegative()
      Ensures that the value is not a negative number. -0.0 is considered to be zero *and* negative.
      Returns:
      this
      Throws:
      NullPointerException - if the value is null
      IllegalArgumentException - if the value is a negative number