| /** |
| * |
| * Copyright 2009-2010 Rickard Öberg AB |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.qi4j.library.eventsourcing.domain.source; |
| |
| import java.io.IOException; |
| import org.qi4j.io.Input; |
| import org.qi4j.library.eventsourcing.domain.api.UnitOfWorkDomainEventsValue; |
| |
| /** |
| * An EventSource is a source of events. Events are grouped in the UnitOfWork in which they were created. |
| */ |
| public interface EventSource |
| { |
| /** |
| * Get list of UnitOfWorkDomainEventsValue after the given offset. |
| * <p> |
| * To get the first set of events, use 0 as offset parameter to get events from the start. |
| * </p> |
| * |
| * @param offset where in the list of events to start |
| * @param limit maximum number of events returned |
| * @return list of UnitOfWorkDomainEventsValue after the given offset |
| */ |
| Input<UnitOfWorkDomainEventsValue, IOException> events( long offset, long limit ); |
| |
| long count(); |
| } |