Index authors' emails

src/main/java/org/RI/P2/Indexer.java

@@ -47,9 +47,12 @@ public class Indexer {
 
     PerFieldAnalyzerWrapper createAnalyzer() {
         Map<String, Analyzer> analyzerPerField = new HashMap<>();
+        analyzerPerField.put("document_id", new StandardAnalyzer());
         analyzerPerField.put("title", new EnglishAnalyzer());
         analyzerPerField.put("abstract", new EnglishAnalyzer());
         analyzerPerField.put("authors", new StandardAnalyzer());
+        analyzerPerField.put("institutions", new StandardAnalyzer());
+        analyzerPerField.put("emails", new StandardAnalyzer());
         PerFieldAnalyzerWrapper customAnalyzer = new PerFieldAnalyzerWrapper(new WhitespaceAnalyzer(),
                 analyzerPerField);
         return customAnalyzer;
@@ -82,14 +85,17 @@ public class Indexer {
         doc.add(new TextField("title", paper.metadata.title, Field.Store.YES));
         StringBuilder authors = new StringBuilder();
         StringBuilder institutions = new StringBuilder();
+        StringBuilder emails = new StringBuilder();
         for (Author author : paper.metadata.authors) {
             String authorName = author.first + " " + author.middle + " " + author.last;
             authorName = authorName.replaceAll("\\p{P}", "");
             authors.append(authorName);
             institutions.append(author.affiliation.institution);
+            emails.append(author.email);
         }
         doc.add(new TextField("authors", authors.toString(), Field.Store.YES));
         doc.add(new TextField("institution", institutions.toString(), Field.Store.NO));
+        doc.add(new TextField("emails", emails.toString(), Field.Store.NO));
         StringBuilder fullAbstract = new StringBuilder();
         for (Abstract abstr : paper.abstr) {
             fullAbstract.append(abstr.text);

src/main/java/org/RI/P2/Paper.java

@@ -9,20 +9,12 @@ class Affiliation {
     String institution;
 }
 
-class Location {
-    String postCode;
-    String settlement;
-    String region;
-    String country;
-}
-
 class Author {
     String first;
     List<String> middle;
     String last;
     String suffix;
     Affiliation affiliation;
-    Location location;
     String email;
 }