Rename method for clarity in external domain metadata retrieval

Author: nakamura-to

doma-processor/src/main/java/org/seasar/doma/internal/apt/cttype/CtTypes.java

@@ -307,7 +307,7 @@ private DomainInfo getDomainInfo(TypeElement typeElement, DataType dataType) {
   }
 
   private DomainInfo getExternalDomainInfo(TypeMirror domainType) {
-    DomainInfo info = getExternalDomainInfoFromDomainType(domainType);
+    DomainInfo info = getExternalDomainInfoFromMetadata(domainType);
     if (info != null) {
       return info;
     }
@@ -318,7 +318,7 @@ private DomainInfo getExternalDomainInfo(TypeMirror domainType) {
    * This method searches for metadata of an External Domain class, extracts the relevant
    * information, and returns it as a DomainInfo.
    */
-  private DomainInfo getExternalDomainInfoFromDomainType(TypeMirror domainType) {
+  private DomainInfo getExternalDomainInfoFromMetadata(TypeMirror domainType) {
     TypeElement domainTypeElement = ctx.getMoreTypes().toTypeElement(domainType);
     if (domainTypeElement == null) {
       return null;