io.ebeaninternal.server.grammer.ParseFetchConfig Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ebean Show documentation

composite of common runtime dependencies for all platforms

There is a newer version: 15.8.1

package io.ebeaninternal.server.grammer;

import io.ebean.FetchConfig;

/**
 * Parse the path that potentially is a FetchConfig definition.
 */
class ParseFetchConfig {

  /**
   * Parse the path that potentially is a FetchConfig definition.
   * 
   * Return the FetchConfig if it is and otherwise null.
   * 
   */
  static FetchConfig parse(String path) {

    if (path.startsWith("lazy")) {
      if (path.length() == 4) {
        return new FetchConfig().lazy();
      } else if (path.charAt(4) == '(') {
        path = path.substring(5);
        int batchSize = parseBatchSize(path);
        return new FetchConfig().lazy(batchSize);
      } else {
        return null;
      }
    }

    if (path.startsWith("query")) {
      if (path.length() == 5) {
        return new FetchConfig().query();
      } else if (path.charAt(5) == '(') {
        path = path.substring(6);
        int batchSize = parseBatchSize(path);
        return new FetchConfig().query(batchSize);
      } else {
        return null;
      }
    }

    return null;
  }

  private static int parseBatchSize(String path) {
    path = path.substring(0, path.length() - 1);
    return Integer.parseInt(path);
  }
}