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@UML(identifier="MD_RepresentativeFraction", specification=ISO_19115) public interface RepresentativeFraction
Derived from ISO 19103 Scale where denominator = 1 / Scale.
Measure
and Scale.targetUnits
= Scale.sourceUnits
.
Implementations are encouraged to extend Number
in the following manner:
class MyRepresentedFraction extends Number implements RepresentedFraction { ... public double doubleValue() { return 1.0 / (double) denominator; } public float floatValue() { return 1.0f / (float) denominator; } public long longValue() { return 0; } public int intValue() { return 0; } ... }
Method Summary | |
---|---|
boolean |
equals(Object other)
Compares this representative fraction with the specified object for equality. |
int |
getDenominator()
The number below the line in a vulgar fraction. |
int |
hashCode()
Returns a hash value for this representative fraction. |
double |
toScale()
Returns this value in a form usable for computation. |
Method Detail |
---|
double toScale()
1.0 / (double) getDenominator()
@UML(identifier="denominator", obligation=MANDATORY, specification=ISO_19115) int getDenominator()
long
? Source interface seems to indicate such.boolean equals(Object other)
RepresentativeFraction
is a data object - equals
is defined
acoording to getDenominator()
;
Implementations should exactly match the following:
public boolean equals(final Object object) {
if (object instanceof RepresentativeFraction) {
final RepresentativeFraction that = (RepresentativeFraction) object;
return denominator == that.getDenominator();
}
return false;
}
equals
in class Object
other
- The object to compare with.
true
if other
is a RepresentedFraction
with the same
denominator value.int hashCode()
RepresentativeFraction
is a data object - hashcode
is defined
according to getDenominator()
.
Implementations should exactly match the following:
public int hashCode() {
return getDenominator();
}
hashCode
in class Object
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