net/api/src/main/java/org/onlab/onos/event/EventSink.java

package org.onlab.onos.event;

/**
 * Abstraction of an event sink capable of processing the specified event types.
 */
public interface EventSink<E extends Event> {

    /**
     * Processes the specified event.
     *
     * @param event event to be processed
     */
    void process(E event);

    /**
     * Reports a problem encountered while processing an event.
     *
     * @param event event being processed
     * @param error error encountered while processing
     */
    void reportProblem(E event, Throwable error);

}