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package javax.transaction;

/**
 * The transaction manager supports a synchronization mechanism
 * that allows the interested party to be notified before and
 * after the transaction completes. Using the registerSynchronization
 * method, the application server registers a Synchronization object
 * for the transaction currently associated with the target Transaction
 * object.
 */
public interface Synchronization {

    /**
     * The beforeCompletion method is called by the transaction manager prior
     * to the start of the two-phase transaction commit process. This call is
     * executed with the transaction context of the transaction that is being
     * committed.
     */
    public void beforeCompletion();

    /**
     * This method is called by the transaction
     * manager after the transaction is committed or rolled back.
     *
     * @param status The status of the transaction completion.
     */
	public void afterCompletion(int status);
}