package gw.beantransfer

uses com.guidewire.commons.metadata.MetadataDependencies
uses com.guidewire.pc.api.archive.ArchiveRestoreBundle
uses com.guidewire.pl.system.bundle.EntityBundleImpl
uses com.guidewire.commons.entity.type.ThreadLocalBundleProvider
uses gw.api.util.TypeUtil
uses gw.entity.IEntityType
uses gw.pl.persistence.core.Bundle

class BeanTransferUtil {

  static function runWithRestoreBeanTransferBundle<T extends RootInfo>(apiBlock(bundle : Bundle) : Set<T>) : Set<T> {
    var bundle = createRestoreBeanTransferBundle()
    ThreadLocalBundleProvider.set(bundle)
    try {
      var rootInfos = apiBlock(bundle)
      bundle.commit()
      return rootInfos
    } finally {
      ThreadLocalBundleProvider.clear()
    }
  }

  static function createRestoreBeanTransferBundle(): Bundle {
    return new RestoreBeanTransferBundle()
  }

  static function getEntityIntrinsicType(entityTypeName : String) : IEntityType {
    var entityTypeBaseName = entityTypeName.substring(entityTypeName.lastIndexOf('.') + 1)
    return MetadataDependencies.getIntrinsicTypeFactory().getEntityIntrinsicType(entityTypeBaseName)
  }

  static function isSourceTypeAssignable(sourceType: IEntityType, targetType: IEntityType): boolean {
    return TypeUtil.isNominallyOrStructurallyAssignable(sourceType, targetType)
  }

  /**
   * This class to used indicate that the bundle is being used to restore a Bean Transfer from an archive XML.
   */
  public static class RestoreBeanTransferBundle extends EntityBundleImpl implements ArchiveRestoreBundle {
    /**
     * Note: Do not create new instances of this class outside of this file.
     */
    private construct() {}
  }
}