change recently added factories to declare specific return types for improved documentation and to aid stub generation

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@724625 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/solr/analysis/ArabicLetterTokenizerFactory.java

@@ -12,7 +12,7 @@ import java.io.Reader;
  **/
 public class ArabicLetterTokenizerFactory extends BaseTokenizerFactory{
 
-  public TokenStream create(Reader input) {
+  public ArabicLetterTokenizer create(Reader input) {
     return new ArabicLetterTokenizer(input);
   }
 }

src/java/org/apache/solr/analysis/ArabicNormalizationFilterFactory.java

@@ -10,7 +10,7 @@ import org.apache.lucene.analysis.ar.ArabicNormalizationFilter;
  **/
 public class ArabicNormalizationFilterFactory extends BaseTokenFilterFactory{
 
-  public TokenStream create(TokenStream input) {
+  public ArabicNormalizationFilter create(TokenStream input) {
     return new ArabicNormalizationFilter(input);
   }
 }

src/java/org/apache/solr/analysis/ArabicStemFilterFactory.java

@@ -11,7 +11,7 @@ import org.apache.lucene.analysis.ar.ArabicStemFilter;
 public class ArabicStemFilterFactory extends BaseTokenFilterFactory{
 
 
-  public TokenStream create(TokenStream input) {
+  public ArabicStemFilter create(TokenStream input) {
     return new ArabicStemFilter(input);
   }
 }

src/java/org/apache/solr/analysis/CharStreamAwareCJKTokenizerFactory.java

@@ -29,7 +29,7 @@ import org.apache.lucene.analysis.TokenStream;
  */
 public class CharStreamAwareCJKTokenizerFactory extends BaseTokenizerFactory {
 
-  public TokenStream create(Reader input) {
+  public CharStreamAwareCJKTokenizer create(Reader input) {
     return new CharStreamAwareCJKTokenizer( (CharStream)input );
   }
 }

src/java/org/apache/solr/analysis/CharStreamAwareWhitespaceTokenizerFactory.java

@@ -29,7 +29,7 @@ import org.apache.lucene.analysis.TokenStream;
  */
 public class CharStreamAwareWhitespaceTokenizerFactory extends BaseTokenizerFactory {
 
-  public TokenStream create(Reader input) {
+  public CharStreamAwareWhitespaceTokenizer create(Reader input) {
     return new CharStreamAwareWhitespaceTokenizer( (CharStream)input );
   }
 }