java/src/main/com/google/appengine/api/search/checkers/QueryOnlyCustomerDocumentChecker.java

   1 package com.google.appengine.api.search.checkers;
   2
   3 import static com.google.appengine.api.search.checkers.DocumentChecker.mandatoryCheckValid;
   4
   5 import com.google.apphosting.api.search.DocumentPb;
   6 import com.google.common.base.Strings;
   7
   8 /**
   9  * This class performs {@link DocumentPb.Document} validity checks for search customers that only
  10  * use the query API.
  11  */
  12 public class QueryOnlyCustomerDocumentChecker {
  13
  14   /**
  15    * Checks whether a {@link DocumentPb.Document} has a valid set of fields for clients that only
  16    * use the search query API.
  17    *
  18    * @param pb the {@link DocumentPb.Document} protocol buffer to check.
  19    * @throws IllegalArgumentException if the document is invalid.
  20    */
  21   public static void checkValid(DocumentPb.Document pb) {
  22     Preconditions.checkArgument(pb.hasId(), "Document id is not specified");
  23     Preconditions.checkArgument(!Strings.isNullOrEmpty(pb.getId()), "Document id is null or empty");
  24     mandatoryCheckValid(pb);
  25   }
  26
  27 }