change replaceExisting to overwriteExisting

Author: BrandonArp

src/main/java/com/arpnetworking/metrics/mad/sources/TransformingSource.java

@@ -216,7 +216,7 @@ private Key getModifiedDimensions(
             transformation.getInject().forEach(
                     (key, inject) ->
                             finalTags.compute(key, (k, oldValue) ->
-                                    inject.isReplaceExisting() || oldValue == null ? inject.getValue() : oldValue));
+                                    inject.isOverwriteExisting() || oldValue == null ? inject.getValue() : oldValue));
             finalTags.putAll(add);
 
             return new DefaultKey(ImmutableMap.copyOf(finalTags));
@@ -302,17 +302,17 @@ public String getValue() {
             return _value;
         }
 
-        public boolean isReplaceExisting() {
-            return _replaceExisting;
+        public boolean isOverwriteExisting() {
+            return _overwriteExisting;
         }
 
         private DimensionInjection(final Builder builder) {
             _value = builder._value;
-            _replaceExisting = builder._replaceExisting;
+            _overwriteExisting = builder._overwriteExisting;
         }
 
         private final String _value;
-        private final boolean _replaceExisting;
+        private final boolean _overwriteExisting;
 
         /**
          * Implementation of the <code>Builder</code> pattern for {@link DimensionInjection}.
@@ -344,16 +344,16 @@ public Builder setValue(final String value) {
              * @param value true to replace existing dimension value
              * @return This instance of {@link Builder}.
              */
-            public Builder setReplaceExisting(final Boolean value) {
-                _replaceExisting = value;
+            public Builder setOverwriteExisting(final Boolean value) {
+                _overwriteExisting = value;
                 return this;
             }
 
             @NotNull
             @NotEmpty
             private String _value;
             @NotNull
-            private Boolean _replaceExisting = true;
+            private Boolean _overwriteExisting = true;
         }
     }
 

src/test/java/com/arpnetworking/metrics/mad/sources/TransformingSourceTest.java

@@ -409,7 +409,7 @@ public void testStaticDimensionInjection() {
                 "injected",
                 new TransformingSource.DimensionInjection.Builder()
                         .setValue("value")
-                        .setReplaceExisting(false)
+                        .setOverwriteExisting(false)
                         .build()));
         final Record matchingRecord = TestBeanFactory.createRecordBuilder()
                 .setMetrics(ImmutableMap.of(
@@ -457,12 +457,12 @@ public void testStaticDimensionInjectionOverwrite() {
                 "injected",
                 new TransformingSource.DimensionInjection.Builder()
                         .setValue("new_value")
-                        .setReplaceExisting(true)
+                        .setOverwriteExisting(true)
                         .build(),
                 "injected_no_over",
                 new TransformingSource.DimensionInjection.Builder()
                         .setValue("new_value")
-                        .setReplaceExisting(false)
+                        .setOverwriteExisting(false)
                         .build()));
         final Record matchingRecord = TestBeanFactory.createRecordBuilder()
                 .setMetrics(ImmutableMap.of(