| 提交 | 用户 | age | ||
| de8c2b | 1 | package com.duxinglangzi.canal.starter.configuration; |
| D | 2 | |
| 3 | import com.alibaba.otter.canal.protocol.CanalEntry; | |
| 4 | import com.alibaba.otter.canal.protocol.exception.CanalClientException; | |
| 5 | import com.duxinglangzi.canal.starter.annotation.CanalListener; | |
| 6 | import org.apache.commons.lang3.StringUtils; | |
| 7 | ||
| 8 | import java.lang.reflect.Method; | |
| 9 | import java.util.Arrays; | |
| 10 | import java.util.List; | |
| 11 | import java.util.Map; | |
| 12 | import java.util.Set; | |
| 13 | import java.util.function.Predicate; | |
| 14 | import java.util.stream.Collectors; | |
| 15 | ||
| 16 | /** | |
| 17 | * @author wuqiong 2022/4/11 | |
| 18 | * @description | |
| 19 | */ | |
| 20 | public class CanalListenerEndpointRegistrar { | |
| 21 | ||
| 22 | private Object bean; | |
| 23 | private Map.Entry<Method, CanalListener> listenerEntry; | |
| 24 | ||
| 25 | public void checkParameter(Set<String> sets) { | |
| 26 | List<Class<?>> classes = parameterTypes(); | |
| 27 | if (classes.size() > 2 | |
| 28 | || classes.get(1) != CanalEntry.RowData.class | |
| 29 | || classes.get(0) != CanalEntry.EventType.class) | |
| 30 | throw new IllegalArgumentException("@CanalListener Method Parameter Type Invalid, " + | |
| 31 | "Need Parameter Type [CanalEntry.EventType,CanalEntry.RowData] please check "); | |
| 32 | if (StringUtils.isNotBlank(getListenerEntry().getValue().destination()) | |
| 33 | && !sets.contains(getListenerEntry().getValue().destination())) | |
| 34 | throw new CanalClientException("@CanalListener Illegal destination , please check "); | |
| 35 | ||
| 36 | } | |
| 37 | ||
| 38 | ||
| 39 | public List<Class<?>> parameterTypes() { | |
| 40 | return Arrays.stream(getListenerEntry().getKey().getParameterTypes()).collect(Collectors.toList()); | |
| 41 | } | |
| 42 | ||
| 43 | public boolean isContainDestination(String destination) { | |
| 44 | if (StringUtils.isBlank(getListenerEntry().getValue().destination())) return true; | |
| 45 | return getListenerEntry().getValue().destination().equals(destination); | |
| 46 | } | |
| 47 | ||
| 48 | public static Predicate<CanalListenerEndpointRegistrar> filterArgs( | |
| 49 | String database, String tableName, CanalEntry.EventType eventType) { | |
| 50 | Predicate<CanalListenerEndpointRegistrar> databases = e -> StringUtils.isBlank(e.getListenerEntry().getValue().database()) | |
| 51 | || e.getListenerEntry().getValue().database().equals(database); | |
| 52 | Predicate<CanalListenerEndpointRegistrar> table = e -> e.getListenerEntry().getValue().table().length == 0 | |
| 53 | || (e.getListenerEntry().getValue().table().length == 1 && "".equals(e.getListenerEntry().getValue().table()[0])) | |
| 54 | || Arrays.stream(e.getListenerEntry().getValue().table()).anyMatch(s -> s.equals(tableName)); | |
| 55 | Predicate<CanalListenerEndpointRegistrar> eventTypes = e -> e.getListenerEntry().getValue().eventType().length == 0 | |
| 56 | || Arrays.stream(e.getListenerEntry().getValue().eventType()).anyMatch(eve -> eve == eventType); | |
| 57 | return databases.and(table).and(eventTypes); | |
| 58 | } | |
| 59 | ||
| 60 | ||
| 61 | public CanalListenerEndpointRegistrar(Object bean, Map.Entry<Method, CanalListener> entry) { | |
| 62 | this.bean = bean; | |
| 63 | this.listenerEntry = entry; | |
| 64 | } | |
| 65 | ||
| 66 | public Map.Entry<Method, CanalListener> getListenerEntry() { | |
| 67 | return listenerEntry; | |
| 68 | } | |
| 69 | ||
| 70 | public Object getBean() { | |
| 71 | return bean; | |
| 72 | } | |
| 73 | } | |
