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Unified Diff: source/i18n/unicode/measure.h

Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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Index: source/i18n/unicode/measure.h
diff --git a/source/i18n/unicode/measure.h b/source/i18n/unicode/measure.h
index 6b7a0497b476bd290f03d19fe0e8f8591fc761bc..434ea880edad2f4c0e3d98f0d7969618aa4cbdae 100644
--- a/source/i18n/unicode/measure.h
+++ b/source/i18n/unicode/measure.h
@@ -1,6 +1,6 @@
/*
**********************************************************************
-* Copyright (c) 2004-2006, International Business Machines
+* Copyright (c) 2004-2014, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Author: Alan Liu
@@ -29,16 +29,12 @@ 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
*/
@@ -74,7 +70,7 @@ class U_I18N_API Measure: public UObject {
* have the same class as returned by getDynamicClassID().
* @stable ICU 3.0
*/
- virtual UObject* clone() const = 0;
+ virtual UObject* clone() const;
/**
* Destructor
@@ -103,6 +99,32 @@ class U_I18N_API Measure: public UObject {
*/
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.
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