UNITSOFMEASUREMENT-183: getProductUnits should probably be renamed

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-183

Author: keilw

src/main/java/javax/measure/Unit.java

@@ -131,6 +131,11 @@ public interface Unit<Q extends Quantity<Q>> {
    *
    * @return the base units and their exponent making up this unit.
    */
+  Map<? extends Unit<?>, Integer> getBaseUnits();
+
+  /**
+   * @deprecated use #getBaseUnits instead
+   */
   Map<? extends Unit<?>, Integer> getProductUnits();
 
   /**
@@ -338,7 +343,7 @@ public interface Unit<Q extends Quantity<Q>> {
   /**
    * <p>
    * Returns a string representation of this unit. The string representation may be the unit {@linkplain #getSymbol() symbol}, or may be some
-   * representation of {@linkplain #getProductUnits() product units}, multiplication factor and offset if any.
+   * representation of {@linkplain #getBaseUnits() product units}, multiplication factor and offset if any.
    * </p>
    * The string may be localized at implementation choice by the means of a particular device and platform. <br>
    *

src/test/java/javax/measure/test/EnumUnit.java

@@ -66,7 +66,7 @@ public Unit getSystemUnit() {
     return this;
   }
 
-  public Map getProductUnits() {
+  public Map getBaseUnits() {
     // TODO Auto-generated method stub
     return null;
   }
@@ -141,4 +141,9 @@ public String getName() {
     return name();
   }
 
+  public Map getProductUnits() {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
 }

src/test/java/javax/measure/test/TestUnit.java

@@ -136,7 +136,7 @@ public String getName() {
     return name;
   }
 
-  public Map<Unit<?>, Integer> getProductUnits() {
+  public Map<Unit<?>, Integer> getBaseUnits() {
     return null;
   }
 
@@ -192,4 +192,8 @@ public double getMultFactor() {
   public String toString() {
     return getName();
   }
+
+  public Map getProductUnits() {
+    throw new UnsupportedOperationException("Use getBaseUnits() instead");
+  }
 }