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package javax.resource.spi;

import javax.resource.ResourceException;

/**
 * This is a mix-in interface that may be optionally implemented by a 
 * ConnectionManager implementation. An implementation of
 * this interface must support the lazy transaction enlistment optimization.
 *
 * @version 1.0
 * @author  Ram Jeyaraman
 */
public interface LazyEnlistableConnectionManager {

    /**
     * This method is called by a resource adapter (that is capable of
     * lazy transaction enlistment optimization) in order to lazily enlist
     * a connection object with a XA transaction. 
     *
     * @param mc The ManagedConnection instance that needs to be
     * lazily associated.
     *
     * @throws  ResourceException Generic exception.
     *
     * @throws  ApplicationServerInternalException 
     *                            Application server specific exception.
     *
     * @throws  ResourceAllocationException
     *                            Failed to allocate system resources for
     *                            connection request.
     *
     * @throws  ResourceAdapterInternalException
     *                            Resource adapter related error condition.
     */
    void lazyEnlist(ManagedConnection mc) throws ResourceException;
}