de.akquinet.jbosscc.needle.db.transaction
Interface Runnable<T>

Type Parameters:

T - - return type of run()

All Known Implementing Classes:

VoidRunnable

public interface Runnable<T>

Interface for passing algorithms to executeInTransaction().

Method Summary

T	run(javax.persistence.EntityManager entityManager) Operation to be automatically called inside executeInTransaction().

Method Detail

run

T run(javax.persistence.EntityManager entityManager)
      throws Exception

Operation to be automatically called inside executeInTransaction().

Parameters:

entityManager - an EntityManager

Returns:

return value of the operation

Throws:

Exception - thrown when something failed