Update ICU to 54.1 step 1

source/i18n/unicode/measure.h

 /*
 **********************************************************************
-* Copyright (c) 2004-2006, International Business Machines
+* Copyright (c) 2004-2014, 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.  This is an abstract class.
- * Subclasses specify a concrete Unit type.
+ * unit, such as feet or meters.
  *
- * <p>Measure objects are parsed and formatted by subclasses of
- * MeasureFormat.
+ * <p>Measure objects are formatted by MeasureFormat.
  *
  * <p>Measure objects are immutable.
  *
- * <p>This is an abstract class.
- *
  * @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
@@ skipping 15 matching lines @@
      * 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 = 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.
+     * @draft 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.
+     * @draft 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.
@@ skipping 12 matching lines @@
 }
 
 inline const MeasureUnit& Measure::getUnit() const {
     return *unit;
 }
 
 U_NAMESPACE_END
 
 #endif // !UCONFIG_NO_FORMATTING
 #endif // __MEASURE_H__