code: public boolean existIndiceType(String indiceName,String type) throws ElasticSearchException{
  		try {
  			executeHttp(new StringBuilder(indiceName).append("/_mapping/").append(type).toString(), ClientInterface.HTTP_HEAD);
  			return true;
  		}
  		catch(ElasticSearchException e){
  			return ResultUtil.hand404HttpRuntimeException(e,boolean.class,ResultUtil.OPERTYPE_existIndiceType);
  		}
  	}
docs: 判断所引类型是否存在
  @param indiceName
  @param type
  @return
  @throws ElasticSearchException