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| | | import com.alibaba.otter.canal.protocol.CanalEntry;
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| | | import com.alibaba.otter.canal.protocol.exception.CanalClientException;
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| | | import com.duxinglangzi.canal.starter.annotation.CanalListener;
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| | | import org.apache.commons.lang3.StringUtils;
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| | | import java.lang.reflect.Method;
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| | | import java.util.Arrays;
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| | | import java.util.List;
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| | | import java.util.Map;
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| | | import java.util.Set;
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| | | import java.util.function.Predicate;
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| | | import java.util.stream.Collectors;
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| | |
| | | public class CanalListenerEndpointRegistrar {
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| | | private Object bean;
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| | | private Map.Entry<Method, CanalListener> listenerEntry;
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| | | private Method method;
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| | |
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| | | /**
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| | | * 如果未进行配置,则使用配置文件里全部 destination
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| | | */
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| | | private String destination;
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| | |
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| | | /**
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| | | * 数据库名
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| | | */
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| | | private String database;
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| | |
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| | | /**
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| | | * 数据表名
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| | | */
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| | | private String[] table;
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| | |
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| | | /**
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| | | * 数据变动类型,此处请注意,默认不包含 DDL
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| | | */
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| | | private CanalEntry.EventType[] eventType;
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| | |
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| | | /**
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| | | * 1、目前实现的 DML 解析器仅支持两个参数 <p>
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| | |
| | | || classes.get(0) != CanalEntry.EventType.class)
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| | | throw new IllegalArgumentException("@CanalListener Method Parameter Type Invalid, " +
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| | | "Need Parameter Type [CanalEntry.EventType,CanalEntry.RowData] please check ");
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| | | if (StringUtils.isNotBlank(getListenerEntry().getValue().destination())
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| | | && !sets.contains(getListenerEntry().getValue().destination()))
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| | | if (StringUtils.isNotBlank(getDestination()) && !sets.contains(getDestination()))
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| | | throw new CanalClientException("@CanalListener Illegal destination , please check ");
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| | |
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| | | }
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| | | public List<Class<?>> parameterTypes() {
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| | | return Arrays.stream(getListenerEntry().getKey().getParameterTypes()).collect(Collectors.toList());
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| | | return Arrays.stream(getMethod().getParameterTypes()).collect(Collectors.toList());
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| | | }
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| | | public boolean isContainDestination(String destination) {
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| | | if (StringUtils.isBlank(getListenerEntry().getValue().destination())) return true;
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| | | return getListenerEntry().getValue().destination().equals(destination);
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| | | if (StringUtils.isBlank(getDestination())) return true;
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| | | return getDestination().equals(destination);
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| | | }
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| | |
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| | | /**
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| | |
| | | */
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| | | public static Predicate<CanalListenerEndpointRegistrar> filterArgs(
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| | | String database, String tableName, CanalEntry.EventType eventType) {
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| | | Predicate<CanalListenerEndpointRegistrar> databases = e -> StringUtils.isBlank(e.getListenerEntry().getValue().database())
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| | | || e.getListenerEntry().getValue().database().equals(database);
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| | | Predicate<CanalListenerEndpointRegistrar> table = e -> e.getListenerEntry().getValue().table().length == 0
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| | | || (e.getListenerEntry().getValue().table().length == 1 && "".equals(e.getListenerEntry().getValue().table()[0]))
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| | | || Arrays.stream(e.getListenerEntry().getValue().table()).anyMatch(s -> s.equals(tableName));
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| | | Predicate<CanalListenerEndpointRegistrar> eventTypes = e -> e.getListenerEntry().getValue().eventType().length == 0
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| | | || Arrays.stream(e.getListenerEntry().getValue().eventType()).anyMatch(eve -> eve == eventType);
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| | | Predicate<CanalListenerEndpointRegistrar> databases =
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| | | e -> StringUtils.isBlank(e.getDatabase()) || e.getDatabase().equals(database);
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| | | Predicate<CanalListenerEndpointRegistrar> table = e -> e.getTable().length == 0
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| | | || (e.getTable().length == 1 && "".equals(e.getTable()[0]))
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| | | || Arrays.stream(e.getTable()).anyMatch(s -> s.equals(tableName));
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| | | Predicate<CanalListenerEndpointRegistrar> eventTypes = e -> e.getEventType().length == 0
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| | | || Arrays.stream(e.getEventType()).anyMatch(eve -> eve == eventType);
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| | | return databases.and(table).and(eventTypes);
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| | | }
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| | |
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| | |
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| | | public CanalListenerEndpointRegistrar(Object bean, Map.Entry<Method, CanalListener> entry) {
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| | | public CanalListenerEndpointRegistrar(
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| | | Object bean, Method method, String destination,
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| | | String database, String[] tables, CanalEntry.EventType[] eventTypes) {
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| | | this.bean = bean;
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| | | this.listenerEntry = entry;
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| | | }
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| | |
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| | | public Map.Entry<Method, CanalListener> getListenerEntry() {
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| | | return listenerEntry;
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| | | this.method = method;
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| | | this.destination = destination;
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| | | this.database = database;
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| | | this.table = tables;
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| | | this.eventType = eventTypes;
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| | | }
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| | |
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| | | public Object getBean() {
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| | | return bean;
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| | | }
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| | |
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| | | public Method getMethod() {
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| | | return method;
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| | | }
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| | |
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| | | public String getDestination() {
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| | | return destination;
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| | | }
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| | |
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| | | public String getDatabase() {
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| | | return database;
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| | | }
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| | |
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| | | public String[] getTable() {
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| | | return table;
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| | | }
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| | |
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| | | public CanalEntry.EventType[] getEventType() {
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| | | return eventType;
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| | | }
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| | | }
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