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+/*
+**********************************************************************
+* Copyright (c) 2004-2015, International Business Machines
+* Corporation and others. All Rights Reserved.
+**********************************************************************
+* Author: Alan Liu
+* Created: April 26, 2004
+* Since: ICU 3.0
+**********************************************************************
+*/
+#ifndef __MEASURE_H__
+#define __MEASURE_H__
+
+#include "unicode/utypes.h"
+
+/**
+ * \file
+ * \brief C++ API: MeasureUnit object.
+ */
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/fmtable.h"
+
+U_NAMESPACE_BEGIN
+
+class MeasureUnit;
+
+/**
+ * An amount of a specified unit, consisting of a number and a Unit.
+ * For example, a length measure consists of a number and a length
+ * unit, such as feet or meters.
+ *
+ * <p>Measure objects are formatted by MeasureFormat.
+ *
+ * <p>Measure objects are immutable.
+ *
+ * @author Alan Liu
+ * @stable ICU 3.0
+ */
+class U_I18N_API Measure: public UObject {
+ public:
+ /**
+ * Construct an object with the given numeric amount and the given
+ * unit. After this call, the caller must not delete the given
+ * unit object.
+ * @param number a numeric object; amount.isNumeric() must be TRUE
+ * @param adoptedUnit the unit object, which must not be NULL
+ * @param ec input-output error code. If the amount or the unit
+ * is invalid, then this will be set to a failing value.
+ * @stable ICU 3.0
+ */
+ Measure(const Formattable& number, MeasureUnit* adoptedUnit,
+ UErrorCode& ec);
+
+ /**
+ * Copy constructor
+ * @stable ICU 3.0
+ */
+ Measure(const Measure& other);
+
+ /**
+ * Assignment operator
+ * @stable ICU 3.0
+ */
+ Measure& operator=(const Measure& other);
+
+ /**
+ * Return a polymorphic clone of this object. The result will
+ * have the same class as returned by getDynamicClassID().
+ * @stable ICU 3.0
+ */
+ virtual UObject* clone() const;
+
+ /**
+ * Destructor
+ * @stable ICU 3.0
+ */
+ virtual ~Measure();
+
+ /**
+ * Equality operator. Return true if this object is equal
+ * to the given object.
+ * @stable ICU 3.0
+ */
+ UBool operator==(const UObject& other) const;
+
+ /**
+ * Return a reference to the numeric value of this object. The
+ * numeric value may be of any numeric type supported by
+ * Formattable.
+ * @stable ICU 3.0
+ */
+ inline const Formattable& getNumber() const;
+
+ /**
+ * Return a reference to the unit of this object.
+ * @stable ICU 3.0
+ */
+ inline const MeasureUnit& getUnit() const;
+
+ /**
+ * Return the class ID for this class. This is useful only for comparing to
+ * a return value from getDynamicClassID(). For example:
+ * <pre>
+ * . Base* polymorphic_pointer = createPolymorphicObject();
+ * . if (polymorphic_pointer->getDynamicClassID() ==
+ * . erived::getStaticClassID()) ...
+ * </pre>
+ * @return The class ID for all objects of this class.
+ * @stable ICU 53
+ */
+ static UClassID U_EXPORT2 getStaticClassID(void);
+
+ /**
+ * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
+ * method is to implement a simple version of RTTI, since not all C++
+ * compilers support genuine RTTI. Polymorphic operator==() and clone()
+ * methods call this method.
+ *
+ * @return The class ID for this object. All objects of a
+ * given class have the same class ID. Objects of
+ * other classes have different class IDs.
+ * @stable ICU 53
+ */
+ virtual UClassID getDynamicClassID(void) const;
+
+ protected:
+ /**
+ * Default constructor.
+ * @stable ICU 3.0
+ */
+ Measure();
+
+ private:
+ /**
+ * The numeric value of this object, e.g. 2.54 or 100.
+ */
+ Formattable number;
+
+ /**
+ * The unit of this object, e.g., "millimeter" or "JPY". This is
+ * owned by this object.
+ */
+ MeasureUnit* unit;
+};
+
+inline const Formattable& Measure::getNumber() const {
+ return number;
+}
+
+inline const MeasureUnit& Measure::getUnit() const {
+ return *unit;
+}
+
+U_NAMESPACE_END
+
+#endif // !UCONFIG_NO_FORMATTING
+#endif // __MEASURE_H__