修复当适配器mapping文件修改时，无法生效的问题

client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/monitor/RdbConfigMonitor.java

@@ -1,169 +1,169 @@
-package com.alibaba.otter.canal.client.adapter.rdb.monitor;
-
-import java.io.File;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.apache.commons.io.filefilter.FileFilterUtils;
-import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
-import org.apache.commons.io.monitor.FileAlterationMonitor;
-import org.apache.commons.io.monitor.FileAlterationObserver;
-import org.apache.commons.lang.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.yaml.snakeyaml.Yaml;
-
-import com.alibaba.otter.canal.client.adapter.rdb.RdbAdapter;
-import com.alibaba.otter.canal.client.adapter.rdb.config.MappingConfig;
-import com.alibaba.otter.canal.client.adapter.rdb.config.MirrorDbConfig;
-import com.alibaba.otter.canal.client.adapter.support.MappingConfigsLoader;
-import com.alibaba.otter.canal.client.adapter.support.Util;
-
-public class RdbConfigMonitor {
-
-    private static final Logger   logger      = LoggerFactory.getLogger(RdbConfigMonitor.class);
-
-    private static final String   adapterName = "rdb";
-
-    private String                key;
-
-    private RdbAdapter            rdbAdapter;
-
-    private FileAlterationMonitor fileMonitor;
-
-    public void init(String key, RdbAdapter rdbAdapter) {
-        this.key = key;
-        this.rdbAdapter = rdbAdapter;
-        File confDir = Util.getConfDirPath(adapterName);
-        try {
-            FileAlterationObserver observer = new FileAlterationObserver(confDir,
-                FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
-            FileListener listener = new FileListener();
-            observer.addListener(listener);
-            fileMonitor = new FileAlterationMonitor(3000, observer);
-            fileMonitor.start();
-
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-        }
-    }
-
-    public void destroy() {
-        try {
-            fileMonitor.stop();
-        } catch (Exception e) {
-            logger.error(e.getMessage(), e);
-        }
-    }
-
-    private class FileListener extends FileAlterationListenerAdaptor {
-
-        @Override
-        public void onFileCreate(File file) {
-            super.onFileCreate(file);
-            try {
-                // 加载新增的配置文件
-                String configContent = MappingConfigsLoader.loadConfig(adapterName + File.separator + file.getName());
-                MappingConfig config = new Yaml().loadAs(configContent, MappingConfig.class);
-                config.validate();
-                if ((key == null && config.getOuterAdapterKey() == null)
-                    || (key != null && key.equals(config.getOuterAdapterKey()))) {
-                    addConfigToCache(file, config);
-
-                    logger.info("Add a new rdb mapping config: {} to canal adapter", file.getName());
-                }
-            } catch (Exception e) {
-                logger.error(e.getMessage(), e);
-            }
-        }
-
-        @Override
-        public void onFileChange(File file) {
-            super.onFileChange(file);
-
-            try {
-                if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
-                    // 加载配置文件
-                    String configContent = MappingConfigsLoader
-                        .loadConfig(adapterName + File.separator + file.getName());
-                    if (configContent == null) {
-                        onFileDelete(file);
-                        return;
-                    }
-                    MappingConfig config = new Yaml().loadAs(configContent, MappingConfig.class);
-                    config.validate();
-                    if ((key == null && config.getOuterAdapterKey() == null)
-                        || (key != null && key.equals(config.getOuterAdapterKey()))) {
-                        if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
-                            deleteConfigFromCache(file);
-                        }
-                        addConfigToCache(file, config);
-                    } else {
-                        // 不能修改outerAdapterKey
-                        throw new RuntimeException("Outer adapter key not allowed modify");
-                    }
-                    logger.info("Change a rdb mapping config: {} of canal adapter", file.getName());
-                }
-            } catch (Exception e) {
-                logger.error(e.getMessage(), e);
-            }
-        }
-
-        @Override
-        public void onFileDelete(File file) {
-            super.onFileDelete(file);
-
-            try {
-                if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
-                    deleteConfigFromCache(file);
-
-                    logger.info("Delete a rdb mapping config: {} of canal adapter", file.getName());
-                }
-            } catch (Exception e) {
-                logger.error(e.getMessage(), e);
-            }
-        }
-
-        private void addConfigToCache(File file, MappingConfig mappingConfig) {
-            if (mappingConfig == null || mappingConfig.getDbMapping() == null) {
-                return;
-            }
-            rdbAdapter.getRdbMapping().put(file.getName(), mappingConfig);
-            if (!mappingConfig.getDbMapping().getMirrorDb()) {
-                Map<String, MappingConfig> configMap = rdbAdapter.getMappingConfigCache()
-                    .computeIfAbsent(StringUtils.trimToEmpty(mappingConfig.getDestination()) + "."
-                                     + mappingConfig.getDbMapping().getDatabase() + "."
-                                     + mappingConfig.getDbMapping().getTable(),
-                        k1 -> new HashMap<>());
-                configMap.put(file.getName(), mappingConfig);
-            } else {
-                Map<String, MirrorDbConfig> mirrorDbConfigCache = rdbAdapter.getMirrorDbConfigCache();
-                mirrorDbConfigCache.put(StringUtils.trimToEmpty(mappingConfig.getDestination()) + "."
-                                        + mappingConfig.getDbMapping().getDatabase(),
-                    MirrorDbConfig.create(file.getName(), mappingConfig));
-            }
-        }
-
-        private void deleteConfigFromCache(File file) {
-            MappingConfig mappingConfig = rdbAdapter.getRdbMapping().remove(file.getName());
-
-            if (mappingConfig == null || mappingConfig.getDbMapping() == null) {
-                return;
-            }
-            if (!mappingConfig.getDbMapping().getMirrorDb()) {
-                for (Map<String, MappingConfig> configMap : rdbAdapter.getMappingConfigCache().values()) {
-                    if (configMap != null) {
-                        configMap.remove(file.getName());
-                    }
-                }
-            } else {
-                rdbAdapter.getMirrorDbConfigCache().forEach((key, mirrorDbConfig) -> {
-                    if (mirrorDbConfig.getFileName().equals(file.getName())) {
-                        rdbAdapter.getMirrorDbConfigCache().remove(key);
-                    }
-                });
-            }
-
-        }
-    }
-}
+package com.alibaba.otter.canal.client.adapter.rdb.monitor;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.io.filefilter.FileFilterUtils;
+import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
+import org.apache.commons.io.monitor.FileAlterationMonitor;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.Yaml;
+
+import com.alibaba.otter.canal.client.adapter.rdb.RdbAdapter;
+import com.alibaba.otter.canal.client.adapter.rdb.config.MappingConfig;
+import com.alibaba.otter.canal.client.adapter.rdb.config.MirrorDbConfig;
+import com.alibaba.otter.canal.client.adapter.support.MappingConfigsLoader;
+import com.alibaba.otter.canal.client.adapter.support.Util;
+
+public class RdbConfigMonitor {
+
+    private static final Logger   logger      = LoggerFactory.getLogger(RdbConfigMonitor.class);
+
+    private static final String   adapterName = "rdb";
+
+    private String                key;
+
+    private RdbAdapter            rdbAdapter;
+
+    private FileAlterationMonitor fileMonitor;
+
+    public void init(String key, RdbAdapter rdbAdapter) {
+        this.key = key;
+        this.rdbAdapter = rdbAdapter;
+        File confDir = Util.getConfDirPath(adapterName);
+        try {
+            FileAlterationObserver observer = new FileAlterationObserver(confDir,
+                FileFilterUtils.and(FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter("yml")));
+            FileListener listener = new FileListener();
+            observer.addListener(listener);
+            fileMonitor = new FileAlterationMonitor(3000, observer);
+            fileMonitor.start();
+
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+        }
+    }
+
+    public void destroy() {
+        try {
+            fileMonitor.stop();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+        }
+    }
+
+    private class FileListener extends FileAlterationListenerAdaptor {
+
+        @Override
+        public void onFileCreate(File file) {
+            super.onFileCreate(file);
+            try {
+                // 加载新增的配置文件
+                String configContent = MappingConfigsLoader.loadConfig(adapterName + File.separator + file.getName());
+                MappingConfig config = new Yaml().loadAs(configContent, MappingConfig.class);
+                config.validate();
+                if ((key == null && config.getOuterAdapterKey() == null)
+                    || (key != null && key.equals(config.getOuterAdapterKey()))) {
+                    addConfigToCache(file, config);
+
+                    logger.info("Add a new rdb mapping config: {} to canal adapter", file.getName());
+                }
+            } catch (Exception e) {
+                logger.error(e.getMessage(), e);
+            }
+        }
+
+        @Override
+        public void onFileChange(File file) {
+            super.onFileChange(file);
+
+            try {
+                if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
+                    // 加载配置文件
+                    String configContent = MappingConfigsLoader
+                        .loadConfig(adapterName + File.separator + file.getName());
+                    if (configContent == null) {
+                        onFileDelete(file);
+                        return;
+                    }
+                    MappingConfig config = new Yaml().loadAs(configContent, MappingConfig.class);
+                    config.validate();
+                    if ((key == null && config.getOuterAdapterKey() == null)
+                        || (key != null && key.equals(config.getOuterAdapterKey()))) {
+                        if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
+                            deleteConfigFromCache(file);
+                        }
+                        addConfigToCache(file, config);
+                    } else {
+                        // 不能修改outerAdapterKey
+                        throw new RuntimeException("Outer adapter key not allowed modify");
+                    }
+                    logger.info("Change a rdb mapping config: {} of canal adapter", file.getName());
+                }
+            } catch (Exception e) {
+                logger.error(e.getMessage(), e);
+            }
+        }
+
+        @Override
+        public void onFileDelete(File file) {
+            super.onFileDelete(file);
+
+            try {
+                if (rdbAdapter.getRdbMapping().containsKey(file.getName())) {
+                    deleteConfigFromCache(file);
+
+                    logger.info("Delete a rdb mapping config: {} of canal adapter", file.getName());
+                }
+            } catch (Exception e) {
+                logger.error(e.getMessage(), e);
+            }
+        }
+
+        private void addConfigToCache(File file, MappingConfig mappingConfig) {
+            if (mappingConfig == null || mappingConfig.getDbMapping() == null) {
+                return;
+            }
+            rdbAdapter.getRdbMapping().put(file.getName(), mappingConfig);
+            if (!mappingConfig.getDbMapping().getMirrorDb()) {
+                Map<String, MappingConfig> configMap = rdbAdapter.getMappingConfigCache()
+                    .computeIfAbsent(StringUtils.trimToEmpty(mappingConfig.getDestination()) + "_"
+                                     + mappingConfig.getDbMapping().getDatabase() + "-"
+                                     + mappingConfig.getDbMapping().getTable(),
+                        k1 -> new HashMap<>());
+                configMap.put(file.getName(), mappingConfig);
+            } else {
+                Map<String, MirrorDbConfig> mirrorDbConfigCache = rdbAdapter.getMirrorDbConfigCache();
+                mirrorDbConfigCache.put(StringUtils.trimToEmpty(mappingConfig.getDestination()) + "."
+                                        + mappingConfig.getDbMapping().getDatabase(),
+                    MirrorDbConfig.create(file.getName(), mappingConfig));
+            }
+        }
+
+        private void deleteConfigFromCache(File file) {
+            MappingConfig mappingConfig = rdbAdapter.getRdbMapping().remove(file.getName());
+
+            if (mappingConfig == null || mappingConfig.getDbMapping() == null) {
+                return;
+            }
+            if (!mappingConfig.getDbMapping().getMirrorDb()) {
+                for (Map<String, MappingConfig> configMap : rdbAdapter.getMappingConfigCache().values()) {
+                    if (configMap != null) {
+                        configMap.remove(file.getName());
+                    }
+                }
+            } else {
+                rdbAdapter.getMirrorDbConfigCache().forEach((key, mirrorDbConfig) -> {
+                    if (mirrorDbConfig.getFileName().equals(file.getName())) {
+                        rdbAdapter.getMirrorDbConfigCache().remove(key);
+                    }
+                });
+            }
+
+        }
+    }
+}