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package tim.prune.data;
/**
* Class to represent a single distance or speed unit
* such as kilometres, mph, feet etc
*/
public class Unit
{
private String _nameKey = null;
private double _multFactorFromStd = 1.0;
private boolean _isStandard = false;
/**
* Unit constructor
* @param inNameKey name key
* @param inMultFactor multiplication factor from standard units
*/
public Unit(String inNameKey, double inMultFactor)
{
_nameKey = inNameKey;
_multFactorFromStd = inMultFactor;
_isStandard = false;
}
/**
* Unit constructor for standard unit
* @param inNameKey name key
*/
public Unit(String inNameKey)
{
_nameKey = inNameKey;
_multFactorFromStd = 1.0;
_isStandard = true;
}
/**
* Unit constructor
* @param inParent parent unit
* @param inSuffix suffix to name key
*/
public Unit(Unit inParent, String inSuffix)
{
this(inParent, inSuffix, 1.0);
}
/**
* Unit constructor
* @param inParent parent unit
* @param inSuffix suffix to name key
* @param inFactor additional time factor to apply
*/
public Unit(Unit inParent, String inSuffix, double inFactor)
{
_nameKey = inParent._nameKey + inSuffix;
_multFactorFromStd = inParent._multFactorFromStd * inFactor;
_isStandard = inParent._isStandard;
}
/**
* @return name key
*/
public String getNameKey() {
return "units." + _nameKey;
}
/**
* @return shortname key
*/
public String getShortnameKey() {
return getNameKey() + ".short";
}
/**
* @return multiplication factor from standard units
*/
public double getMultFactorFromStd() {
return _multFactorFromStd;
}
/**
* @return true if this is the standard unit (mult factor 1.0)
*/
public boolean isStandard() {
return _isStandard;
}
}
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