Package org.apache.openjpa.kernel

Interface FinderQuery<K,V,R>

All Known Implementing Classes:
FinderQueryImpl
public interface FinderQuery<K,V,R>
A finder query is a query for an instance of a class by its primary key. A finder query is parameterized by the type of key K, type of value V and type of result R.
Since:
2.0.0
Author:
Pinaki Poddar

  • Method Details

    • getIdentifier

      K getIdentifier()
      Gets the identifier of this receiver.

    • getDelegate

      V getDelegate()
      Gets the value to which this receiver delegates its execution.

    • execute

      R execute(OpenJPAStateManager sm, StoreManager store, FetchConfiguration fetch)
      Execute the query for a given instance.
      Parameters:
      sm - the StateManager for a given instance carrying the primary key values.
      store - the data store against which the query is to be executed.
      fetch - fetch parameters
      Returns:
      the result of execution.

    • getQueryString

      String getQueryString()
      Gets the query string.