-
Notifications
You must be signed in to change notification settings - Fork 27
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
6967005
commit ee09df1
Showing
19 changed files
with
360 additions
and
293 deletions.
There are no files selected for viewing
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
File renamed without changes.
172 changes: 172 additions & 0 deletions
172
...s/database/mongodb-source/src/main/java/com/linkall/connector/mongodb/MongoDBAdapter.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| // Copyright 2022 Linkall Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package com.linkall.connector.mongodb; | ||
|
|
||
| import com.alibaba.fastjson.JSON; | ||
| import com.alibaba.fastjson.JSONObject; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.google.protobuf.Struct; | ||
| import com.google.protobuf.Value; | ||
| import com.google.protobuf.util.JsonFormat; | ||
| import com.linkall.connector.proto.Base; | ||
| import com.linkall.connector.proto.Database; | ||
| import com.linkall.connector.proto.Mongodb; | ||
| import com.linkall.vance.core.Adapter2; | ||
| import io.cloudevents.CloudEvent; | ||
| import io.cloudevents.core.builder.CloudEventBuilder; | ||
| import io.cloudevents.jackson.JsonCloudEventData; | ||
| import org.apache.commons.text.StringEscapeUtils; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.net.URI; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.time.Instant; | ||
| import java.time.OffsetDateTime; | ||
| import java.time.ZoneOffset; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| public class MongoDBAdapter implements Adapter2 { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(MongoDBAdapter.class); | ||
| private static final String EXTENSION_NAME_PREFIX = "vancemongodb"; | ||
| private static final List<String> keyFilter = new ArrayList<>(); | ||
|
|
||
| static { | ||
| keyFilter.add("db"); | ||
| keyFilter.add("collection"); | ||
| keyFilter.add("connector"); | ||
| keyFilter.add("rs"); | ||
| keyFilter.add("ts_ms"); | ||
| } | ||
|
|
||
| public static Mongodb.Event parse(String key, String value) { | ||
| Mongodb.Event.Builder builder = Mongodb.Event.newBuilder(); | ||
| builder.getMetadataBuilder().setRecognized(true); | ||
| builder.getRawBuilder().setKey(key); | ||
| builder.getRawBuilder().setValue(value); | ||
| try { | ||
| JSONObject obj = JSON.parseObject(value); | ||
| Base.Metadata.Builder mdBuilder = builder.getMetadataBuilder(); | ||
| Struct.Builder sb = Struct.newBuilder(); | ||
| JsonFormat.parser().merge(obj.getJSONObject("source").toJSONString(), sb); | ||
| mdBuilder.setExtension(sb.build()); | ||
| JSONObject id = JSON.parseObject(key); | ||
| if (id.containsKey("id")) { | ||
| mdBuilder.setId(id.getJSONObject("id").get("$oid").toString()); | ||
| } else { | ||
| mdBuilder.setRecognized(false); | ||
| return builder.build(); | ||
| } | ||
| switch (obj.getString("op")) { | ||
| case "u": | ||
| builder.setOp(Database.Operation.UPDATE); | ||
| JSONObject ud = obj.getJSONObject("updateDescription"); | ||
|
|
||
| JsonFormat.parser().merge( | ||
| StringEscapeUtils.unescapeJava( | ||
| ud.getOrDefault("updatedFields", "{}").toString() | ||
| ), | ||
| builder.getUpdateBuilder().getUpdateDescriptionBuilder().getUpdatedFieldsBuilder()); | ||
| JsonFormat.parser().merge( | ||
| StringEscapeUtils.unescapeJava( | ||
| ud.getOrDefault("truncatedArrays", "[]").toString() | ||
| ), | ||
| builder.getUpdateBuilder().getUpdateDescriptionBuilder().getTruncatedArraysBuilder()); | ||
| JsonFormat.parser().merge( | ||
| StringEscapeUtils.unescapeJava( | ||
| ud.getOrDefault("removedFields", "[]").toString() | ||
| ), | ||
| builder.getUpdateBuilder().getUpdateDescriptionBuilder().getRemovedFieldsBuilder()); | ||
| case "c": | ||
| if (builder.getOp() == Database.Operation.UNKNOWN) { | ||
| builder.setOp(Database.Operation.INSERT); | ||
| } | ||
| JsonFormat.parser().merge(obj.getString("after"), | ||
| builder.getInsertBuilder().getDocumentBuilder()); | ||
| break; | ||
| case "d": | ||
| builder.setOp(Database.Operation.DELETE); | ||
| break; | ||
| default: | ||
| builder.setOp(Database.Operation.UNKNOWN); | ||
| mdBuilder.setRecognized(false); | ||
| return builder.build(); | ||
| } | ||
| } catch (Exception e) { | ||
| LOGGER.warn("parse event data failed: {}", e.getMessage()); | ||
| builder.getMetadataBuilder().setRecognized(false); | ||
| } | ||
| return builder.build(); | ||
| } | ||
|
|
||
| public static CloudEvent proto2CloudEvent(Mongodb.Event event) { | ||
| CloudEventBuilder builder = CloudEventBuilder.v1(); | ||
|
|
||
| String ID = "unknown"; | ||
| String sourcePrefix = "unknown.unknown"; | ||
| String type = "unknown.unknown"; | ||
| builder.withId(ID).withType(type).withSource(URI.create(sourcePrefix + "." + type)); | ||
| try { | ||
| builder.withDataContentType("application/json"); | ||
| Base.Metadata md = event.getMetadata(); | ||
|
|
||
| if (md.getRecognized()) { | ||
| ID = event.getMetadata().getId(); | ||
| sourcePrefix = md.getExtension().getFieldsMap().get("connector").getStringValue() + "." | ||
| + md.getExtension().getFieldsMap().get("rs").getStringValue(); | ||
|
|
||
| type = md.getExtension().getFieldsMap().get("db").getStringValue() + "." + | ||
| md.getExtension().getFieldsMap().get("collection").getStringValue(); | ||
| builder.withId(ID).withType(type).withSource(URI.create(sourcePrefix + "." + type)); | ||
| } | ||
|
|
||
| Value time = md.getExtension().getFieldsMap().get("ts_ms"); | ||
| if (time != null) { | ||
| builder.withTime( | ||
| OffsetDateTime.ofInstant( | ||
| Instant.ofEpochMilli( | ||
| ((Double) time.getNumberValue()).longValue() | ||
| ), | ||
| ZoneOffset.UTC) | ||
| ); | ||
| } | ||
|
|
||
| String data = JsonFormat.printer().omittingInsignificantWhitespace().print(event); | ||
| ObjectMapper mapper = new ObjectMapper(); | ||
| builder.withData(JsonCloudEventData.wrap(mapper.readTree(data))); | ||
| for (Map.Entry<String, Value> entry : md.getExtension().getFieldsMap().entrySet()) { | ||
| if (!MongoDBAdapter.keyFilter.contains(entry.getKey()) && entry.getValue() != null) { | ||
| builder.withExtension(EXTENSION_NAME_PREFIX + entry.getKey(), entry.getValue().toString()); | ||
| } | ||
| } | ||
|
|
||
| builder.withExtension(EXTENSION_NAME_PREFIX + "operation", event.getOp().toString()); | ||
| } catch (Exception e) { | ||
| String data = "{\"raw\":{\"key\":\"" + event.getRaw().getKey() + "\",\"value\":\"" + event.getRaw().getValue() + "\"}}\n"; | ||
| builder.withData(data.getBytes(StandardCharsets.UTF_8)); | ||
| e.printStackTrace(); | ||
| } | ||
| builder.withExtension(EXTENSION_NAME_PREFIX + "recognized", event.getMetadata().getRecognized()); | ||
| return builder.build(); | ||
| } | ||
|
|
||
| @Override | ||
| public CloudEvent adapt(Object key, Object val) { | ||
| return MongoDBAdapter.proto2CloudEvent(MongoDBAdapter.parse((String) key, (String) val)); | ||
| } | ||
| } | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
Oops, something went wrong.