Module org.eclipse.persistence.core
Package org.eclipse.persistence.indirection

Interface IndirectContainer<C>

All Known Subinterfaces:
IndirectCollection<E,C>
All Known Implementing Classes:
IndirectList, IndirectMap, IndirectSet
public interface IndirectContainer<C>
Purpose:

Define an interface for a Container that can also act as an EclipseLink "indirection" object; i.e. the Container will only read its contents from the database when necessary (typically, on receipt of the first Container-related message).

Since:
TOPLink/Java 2.5
See Also:

  • Method Details

    • getValueHolder

      ValueHolderInterface<C> getValueHolder()
      PUBLIC: This is used by the indirection policy to build the UOW clone of the container.
      Returns:
      org.eclipse.persistence.indirection.ValueHolderInterface A representation of the valueholder * which this container uses

    • isInstantiated

      boolean isInstantiated()
      PUBLIC: Return whether the contents have been read from the database. This is used periodically by the indirection policy to determine whether to trigger the database read.

    • setValueHolder

      void setValueHolder(ValueHolderInterface<C> valueHolder)
      PUBLIC: Set the valueHolder. This is used by the indirection policy to build the UOW clone of the container.