001/* 002 * (C) Copyright 2020 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.ecm.core.event.stream; 020 021import java.util.List; 022 023import org.nuxeo.ecm.core.event.Event; 024import org.nuxeo.lib.stream.computation.Record; 025 026/** 027 * Collects Core Events and produces Domain Event Records. 028 * 029 * @since 11.4 030 */ 031public abstract class DomainEventProducer { 032 protected final String name; 033 034 protected final String stream; 035 036 public DomainEventProducer(String name, String stream) { 037 this.name = name; 038 this.stream = stream; 039 } 040 041 /** 042 * The name of the domain event. 043 */ 044 public String getName() { 045 return name; 046 } 047 048 public String getStream() { 049 return stream; 050 } 051 052 /** 053 * Receives Nuxeo Core events from the synchronous listener DomainEventProducerListener. 054 */ 055 public abstract void addEvent(Event event); 056 057 /** 058 * Produces Domain Event Records from the accumulated Nuxeo Core events. 059 */ 060 public abstract List<Record> getDomainEvents(); 061 062}