001/* 002 * (C) Copyright 2018 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 * pierre 018 */ 019package org.nuxeo.ecm.core.bulk; 020 021import java.util.LinkedList; 022import java.util.List; 023import java.util.Queue; 024import java.util.stream.Collectors; 025 026import org.nuxeo.ecm.core.api.NuxeoException; 027import org.nuxeo.runtime.model.ComponentContext; 028import org.nuxeo.runtime.model.ComponentInstance; 029import org.nuxeo.runtime.model.DefaultComponent; 030 031/** 032 * The bulk component. 033 * 034 * @since 10.2 035 */ 036public class BulkComponent extends DefaultComponent implements BulkAdminService { 037 038 public static final String BULK_LOG_MANAGER_NAME = "bulk"; 039 040 public static final String BULK_KV_STORE_NAME = "bulk"; 041 042 public static final String ACTIONS_XP = "actions"; 043 044 protected Queue<BulkActionDescriptor> actionsRegistry = new LinkedList<>(); 045 046 protected BulkService bulkService; 047 048 @Override 049 @SuppressWarnings("unchecked") 050 public <T> T getAdapter(Class<T> adapter) { 051 if (adapter.isAssignableFrom(BulkService.class)) { 052 return (T) bulkService; 053 } else if (adapter.isAssignableFrom(BulkAdminService.class)) { 054 // BulkAdminService is implemented by the component and not as a service like BulkService because 055 // StreamBulkScroller needs bulk configuration during its initialization. Its initialization happens during 056 // StreamService's start step which is before BulkComponent's start step, so at a moment where services are 057 // not yet created. 058 return (T) this; 059 } 060 return null; 061 } 062 063 @Override 064 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 065 if (ACTIONS_XP.equals(extensionPoint)) { 066 actionsRegistry.add((BulkActionDescriptor) contribution); 067 } else { 068 throw new NuxeoException("Unknown extension point: " + extensionPoint); 069 } 070 } 071 072 @Override 073 public void start(ComponentContext context) { 074 bulkService = new BulkServiceImpl(); 075 } 076 077 @Override 078 public void stop(ComponentContext context) { 079 bulkService = null; 080 } 081 082 @SuppressWarnings("SuspiciousMethodCalls") 083 @Override 084 public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 085 if (ACTIONS_XP.equals(extensionPoint)) { 086 actionsRegistry.remove(contribution); 087 } else { 088 throw new NuxeoException("Unknown extension point: " + extensionPoint); 089 } 090 } 091 092 // --------------------- 093 // BulkAdminService part 094 // --------------------- 095 096 @Override 097 public List<String> getActions() { 098 return actionsRegistry.stream().map(BulkActionDescriptor::getName).collect(Collectors.toList()); 099 } 100}