{"id":46723,"date":"2023-10-03T12:02:45","date_gmt":"2023-03-16T04:24:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46723-2\/"},"modified":"2024-05-04T02:38:25","modified_gmt":"2024-05-03T18:38:25","slug":"46723-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46723-2\/","title":{"rendered":""},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h1>\n

\u672c\u8a18\u4e8b\u306f\u3001Oracle Cloud Infrastructure Advent Calendar 2022 \u306eDay 20\u306e\u8a18\u4e8b\u3068\u3057\u3066\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002
\nOracle Transactional Event Queues(TEQ)\u306f\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u306e\u53ce\u96c6\u3001\u51e6\u7406\u3001\u4fdd\u5b58\u3001\u7d71\u5408\u306b\u4f7f\u308f\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30fb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306b\u3042\u308b\u305f\u3081\u3001\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u30a8\u30f3\u30ad\u30e5\u30fc\u30fb\u30c7\u30ad\u30e5\u30fc\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6a19\u6e96\u7684\u306aSQL\u3067\u554f\u5408\u305b\u53ef\u80fd\u3067\u3059\u3057\u3001Oracle Database\u306e\u9ad8\u53ef\u7528\u6027\u3001\u62e1\u5f35\u6027\u3001\u4fe1\u983c\u6027\u306f\u30ad\u30e5\u30fc\u30c7\u30fc\u30bf\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3001Spring Boot\u3067\u66f8\u304b\u308c\u305f2\u3064\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u901a\u4fe1\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u3001Apache Kafka broker\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001Kafka\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4ee3\u308f\u308a\u306b\u3001Oracle TEQ\u3078\u306eKafka Java\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4e92\u63db\u6027\u3092\u6301\u3064Okafka\u3092\u4f7f\u3044\u3001Kafka broker\u306e\u4ee3\u308f\u308a\u306bTEQ\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u4f7f\u7528\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001Kafka\u3068TEQ broker\u9593\u3092\u63a5\u7d9a\u3057\u3001Kafka\u5074\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u751f\u6210\u3057\u3001TEQ\u5074\u3067\u6d88\u8cbb\u3055\u308c\u308b\u306e\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

\u306a\u304a\u3001\u672c\u8a18\u4e8b\u3067\u306fOracle Cloud Infrastructure(OCI)\u306eCloud Shell\u4e0a\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306fAutonomous Database(ADB)\u306eAlways Free\u3092\u4f5c\u6210\u3057\u4f7f\u7528\u3057\u307e\u3059\u3002\u3067\u3059\u306e\u3067\u5168\u3066\u306e\u624b\u9806\u3092OCI\u306eFree Tier\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u5168\u4f53\u50cf\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\"eventmesh-txeventq-kafka.drawio.png\"<\/div>\n

1. \u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h1>\n

\u307e\u305a\u306f\u3001\u4f7f\u7528\u3059\u308b\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

\"image.png\"<\/div>\n

2. Kafka\u3092\u4f7f\u3063\u305f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9(Spring Boot)\u306e\u69cb\u7bc9<\/h1>\n

\u307e\u305a\u306f\u3001Kafka\u3092\u4f7f\u3044\u3001\u901a\u4fe1\u3059\u308b\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

1. Kafka broker\u306e\u5b9f\u884c<\/h2>\n
\"image.png\"<\/div>\n

2. \u30c8\u30d4\u30c3\u30af\u306e\u4f5c\u6210<\/h2>\n

Kafka\u306e\u6e96\u5099\u304c\u3067\u304d\u305f\u306e\u3067\u3001\u6b21\u306bProducer\u304b\u3089\u9001\u308a\u3001Consumer\u3067\u53d7\u3051\u53d6\u308b\u30c8\u30d4\u30c3\u30af\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067TXEVENTQTOPIC1\u3068\u3044\u3046\u30c8\u30d4\u30c3\u30af\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

kafka-add-topic TXEVENTQTOPIC1\r\n<\/code><\/pre>\n
\u203b\u5b9f\u969b\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
docker exec broker kafka-topics --bootstrap-server broker:9092 --create --topic \"TXEVENTQTOPIC1\"\r\n<\/code><\/pre>\n
3. Producer\u3068Consumer\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u30d3\u30eb\u30c9<\/h2>\n
\u4eca\u56de\u306fSpring Boot+Spring Kafka\u3092\u4f7f\u3063\u3066\u30b3\u30fc\u30c9\u5316\u3057\u305fProducer\u3068Consumer\u3092Maven\u3067\u30d3\u30eb\u30c9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
cd $LAB_HOME\/springboot-kafka\r\n.\/kafka-ms-build\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
4. Producer\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u751f\u6210<\/h2>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30d3\u30eb\u30c9\u3067\u304d\u305f\u306e\u3067\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u3001Docker Engine\uff08Kafka\u30af\u30e9\u30b9\u30bf\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u306e\u3068\u540c\u3058\uff09\u5185\u306bProducer\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002 docker build
\ncd $LAB_HOME\/springboot-kafka
\n.\/kafka-ms-deploy-producer<\/p>\n
\u30a4\u30e1\u30fc\u30b8\u306e\u30d3\u30eb\u30c9\u304c\u3067\u304d\u305f\u3089\u3001\u7d9a\u3044\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5\u3057\u3066\u3001Producer\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 docker run
\ncd $LAB_HOME\/springboot-kafka
\n.\/kafka-ms-launch-producer<\/p>\n
\u5b9f\u884c\u3057\u305f\u3089\u8a66\u3057\u306b\u4e00\u5ea6\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3059\u3002Producer\u306bcurl\u3067\u76f4\u63a5HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u3057\u3066\u307f\u307e\u3059\u3002
\ncurl -s -X POST -H “Content-Type: application\/json” \\
\n-d ‘{ “id”: “id1”, “message”: “message1” }’ \\
\nhttp:\/\/localhost:8080\/placeMessage | jq<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8fd4\u3063\u3066\u304f\u308c\u3070\u6210\u529f\u3067\u3059\u3002
\n{
\n“id”: “0”,
\n“statusMessage”: “Successful”
\n}<\/p>\n
5. Consumer\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u6d88\u8cbb<\/h2>\n
\u540c\u69d8\u306e\u64cd\u4f5c\u3092Consumer\u3067\u3082\u884c\u3044\u307e\u3059\u3002<\/p>\n
\"image.png\"<\/div>\n
3. Transactional Event Queues\u3092\u4f7f\u3063\u305f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u69cb\u7bc9<\/h1>\n
\u4eca\u5ea6\u306f\u3001Oracle Transactional Event Queues(TEQ)\u3092\u4f7f\u3044\u3001\u975e\u540c\u671f\u306b\u901a\u4fe1\u3059\u308b\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
1. \u30c8\u30d4\u30c3\u30af\u306e\u4f5c\u6210<\/h2>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u4f5c\u6210\u3057\u305fADB\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3001TXEVENTQTOPIC1\u3068\u3044\u3046\u30c8\u30d4\u30c3\u30af\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
txeventq-add-topic TXEVENTQTOPIC1\r\n<\/code><\/pre>\n
\u3053\u3053\u3067\u306f\u3001\u5b9f\u969b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306aSQL\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
declare<\/span>\r\n  txeventq_topic<\/span>      varchar2<\/span>(<\/span>30<\/span>)<\/span> :<\/span>=<\/span> '&1'<\/span> ;<\/span>\r\n  txeventq_subscriber<\/span> varchar2<\/span>(<\/span>30<\/span>)<\/span> :<\/span>=<\/span> '&2'<\/span> ;<\/span>\r\n  subscriber<\/span>     sys<\/span>.<\/span>aq<\/span>$<\/span>_agent<\/span>;<\/span>\r\nbegin<\/span>\r\n    if<\/span> txeventq_topic<\/span> is<\/span> not<\/span> null<\/span> and<\/span> txeventq_subscriber<\/span> is<\/span> not<\/span> null<\/span>\r\n    then<\/span>\r\n        -- Creating a JMS type sharded queue:<\/span>\r\n        dbms_aqadm<\/span>.<\/span>create_sharded_queue<\/span>(<\/span>\r\n            queue_name<\/span> =><\/span> txeventq_topic<\/span>,<\/span>\r\n            multiple_consumers<\/span> =><\/span> TRUE<\/span>);<\/span>\r\n\r\n        dbms_aqadm<\/span>.<\/span>start_queue<\/span>(<\/span>txeventq_topic<\/span>);<\/span>\r\n\r\n        --- Create the subscriber agent<\/span>\r\n        subscriber<\/span> :<\/span>=<\/span> sys<\/span>.<\/span>aq<\/span>$<\/span>_agent<\/span>(<\/span>txeventq_subscriber<\/span>,<\/span> NULL<\/span>,<\/span> NULL<\/span>);<\/span>\r\n\r\n        dbms_aqadm<\/span>.<\/span>add_subscriber<\/span>(<\/span>\r\n            queue_name<\/span> =><\/span> txeventq_topic<\/span>,<\/span>\r\n            subscriber<\/span> =><\/span> subscriber<\/span>);<\/span>\r\n    else<\/span>\r\n        DBMS_OUTPUT<\/span>.<\/span>put_line<\/span>(<\/span>'ERR : at least one of the variables is null !'<\/span>);<\/span>\r\n    end<\/span> if<\/span>;<\/span>\r\nend<\/span>;<\/span>\r\n\/<\/span>\r\ncommit<\/span>;<\/span>\r\n<\/code><\/pre>\n
2. Producer\u3068Consumer\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u30d3\u30eb\u30c9<\/h2>\n
\u5148\u307b\u3069\u3068\u540c\u69d8\u306bProducer\u3068Consumer\u3092\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002\u4e00\u70b9\u3001\u3053\u3061\u3089\u3067\u306fspring-kafka\u3067\u306f\u306a\u304f\u3001TEQ\u7528\u306eKafkaJava\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308bKafka Java Client for Oracle Transactional Event Queues Kafka (OKafka)\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
cd $LAB_HOME\/springboot-txeventq\r\n.\/txeventq-ms-build\r\n<\/code><\/pre>\n
3. Producer\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u751f\u6210<\/h2>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u3001Docker Engine\u5185\u306bProducer\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002docker build
\ncd $LAB_HOME\/springboot-txeventq
\n.\/txeventq-ms-deploy-producer<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5\u3057\u3066\u3001Producer\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002docker run
\ncd $LAB_HOME\/springboot-txeventq
\n.\/txeventq-ms-launch-producer<\/p>\n
\u4e00\u5ea6\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3059\u3002Producer\u306bcurl\u3067\u76f4\u63a5HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u3057\u3066\u307f\u307e\u3059\u3002
\ncurl -s -X POST -H “Content-Type: application\/json” \\
\n-d ‘{ “id”: “id1”, “message”: “TxEventQ message1” }’ \\
\nhttp:\/\/localhost:8090\/placeMessage | jq<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8fd4\u3063\u3066\u304f\u308c\u3070\u6210\u529f\u3067\u3059\u3002
\n{
\n“id”: “0”,
\n“statusMessage”: “Successful”
\n}<\/p>\n
4. Consumer\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u6d88\u8cbb<\/h2>\n
Consumer\u3082\u540c\u69d8\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u3001\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u3001Docker Engine\u5185\u306bConsumer\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002docker build
\ncd $LAB_HOME\/springboot-txeventq
\n.\/txeventq-ms-deploy-consumer<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5\u3057\u3066\u3001Consumer\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002docker run
\ncd $LAB_HOME\/springboot-txeventq
\n.\/txeventq-ms-launch-consumer<\/p>\n
\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3059\u3002Consumer\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u8d77\u52d5\u5f8c\u3001TEQ broker\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c7\u30ad\u30e5\u30fc\u3057\u307e\u3059\u3002\u30c7\u30ad\u30e5\u30fc\u306b\u6210\u529f\u3059\u308b\u3068\u3001\u5148\u307b\u3069Producer\u306b\u3088\u3063\u3066\u9001\u4fe1\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u30ed\u30b0\u3067\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30b3\u30f3\u30c6\u30ca\u30ed\u30b0\u304b\u3089\u5f8c\u534a\u306e6\u884c\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002
\ncontainer-logs txeventq-consumer 6<\/p>\n
{“id”: “0”, “message”: “TxEventQ message1”}.\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u3089\u6210\u529f\u3067\u3059\u3002
\n\u3053\u306e\u3088\u3046\u306b\u3001Kafka broker\u3068\u540c\u69d8\u306b\u3001TEQ broker\u3067\u3082\u30a4\u30d9\u30f3\u30c8\u306e\u751f\u6210\u3068\u6d88\u8cbb\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
4. Kafka\u3068TEQ\u306e\u63a5\u7d9a<\/h1>\n
\u3053\u3053\u3067\u306f\u3001Kafka\u3068TEQ\u306e\u4e92\u63db\u6027\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002TEQ\u306fKafka\u3068\u306e\u53cc\u65b9\u5411\u306e\u901a\u4fe1\u304c\u53ef\u80fd\u306a\u306e\u3067\u3001\u5909\u66f4\u3092\u307b\u307c\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u53cd\u6620\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
1. Kafka Connect\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h2>\n
\u4eca\u56de\u306f\u3001Apache Kafka\u306b\u542b\u307e\u308c\u308b\u3001Kafka\u3068\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u7d71\u5408\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bApache Kafka Connect\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
ADB\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002DB\u30e6\u30fc\u30b6\u30fc\u3084\u30db\u30b9\u30c8\u540d\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5165\u529b\u3055\u308c\u3001Kafka\u30c8\u30d4\u30c3\u30af\u3068TEQ\u306e\u9593\u306bConnect Sink\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002
\ncd $LAB_HOME\/kafka-connect-txeventq
\n.\/setup-kafka2txeventq-connect.sh<\/p>\n
Connect Sink\u306e\u72b6\u614b\u3092\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002
\nkafka-connect-status<\/p>\n
\u6b63\u3057\u304f\u63a5\u7d9a\u3067\u304d\u3066\u3044\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u3002
\n{
\n“name”: “JmsConnectSink_txeventqlab”,
\n“connector”: {
\n“state”: “RUNNING”,
\n“worker_id”: “connect:8083”
\n},
\n“tasks”: [
\n{
\n“id”: 0,
\n“state”: “RUNNING”,
\n“worker_id”: “connect:8083”
\n}
\n],
\n“type”: “sink”
\n}<\/p>\n
2. Kafka broker\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30a8\u30f3\u30ad\u30e5\u30fc<\/h2>\n
Connector\u3092\u5b9f\u884c\u3057\u305f\u306e\u3067\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u751f\u6210\u3057\u3066\u8ee2\u9001\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002Kafka Producer\u304b\u3089\u30a8\u30f3\u30ad\u30e5\u30fc\u3057\u3001TEQ\u304b\u3089\u30c7\u30ad\u30e5\u30fc\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
Kafka Producer\u304c\u52d5\u3044\u3066\u3044\u308b\u72b6\u614b\u3067\u3001curl\u3067Producer API\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n
curl -s -X POST -H \"Content-Type: application\/json\"  \\\r\n     -d '{ \"id\": \"Sink1\", \"message\": \"Sink Message from Kafka to TxEventQ #1\" }'  \\\r\n     http:\/\/localhost:8080\/placeMessage | jq\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8fd4\u3063\u3066\u304f\u308c\u3070\u3001\u9001\u4fe1\u306f\u6210\u529f\u3067\u3059\u3002<\/p>\n
{\r\n    \"id\": \"1\",\r\n    \"statusMessage\": \"Successful\"\r\n}\r\n<\/code><\/pre>\n
3. PL\/SQL\u3092\u4f7f\u3063\u3066TEQ\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c7\u30ad\u30e5\u30fc<\/h2>\n
Producer\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30a8\u30f3\u30ad\u30e5\u30fc\u3059\u308b\u3068\u3001\u305d\u306e\u5f8cConnect Sink\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304cKafka\u30c8\u30d4\u30c3\u30af\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6d88\u8cbb\u3057\u3001TEQ\u306b\u30a8\u30f3\u30ad\u30e5\u30fc\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001OKafka Consumer\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3084PL\/SQL\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3092\u4f7f\u3063\u3066\u3001TEQ\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c7\u30ad\u30e5\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067TEQ\u304b\u3089\u30c7\u30ad\u30e5\u30fc\u3057\u307e\u3059\u3002<\/p>\n
txeventq-dequeue\r\n<\/code><\/pre>\n
\u5b9f\u969b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306aPL\/SQL\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
declare<\/span>\r\n  txeventq_topic<\/span>      varchar2<\/span>(<\/span>30<\/span>)<\/span> :<\/span>=<\/span> '&1'<\/span> ;<\/span>\r\n  txeventq_subscriber<\/span> varchar2<\/span>(<\/span>30<\/span>)<\/span> :<\/span>=<\/span> '&2'<\/span> ;<\/span>\r\n\r\n  dequeue_options<\/span>    DBMS_AQ<\/span>.<\/span>dequeue_options_t<\/span>;<\/span>\r\n  message_properties<\/span> DBMS_AQ<\/span>.<\/span>message_properties_t<\/span>;<\/span>\r\n  message_id<\/span>         RAW<\/span>(<\/span>2000<\/span>);<\/span>\r\n  my_message<\/span>         SYS<\/span>.<\/span>AQ<\/span>$<\/span>_JMS_TEXT_MESSAGE<\/span>;<\/span>\r\n  msg_text<\/span>           varchar2<\/span>(<\/span>32767<\/span>);<\/span>\r\nbegin<\/span>\r\n    DBMS_OUTPUT<\/span>.<\/span>ENABLE<\/span> (<\/span>20000<\/span>);<\/span>\r\n\r\n    if<\/span> txeventq_topic<\/span> is<\/span> not<\/span> null<\/span> and<\/span> txeventq_subscriber<\/span> is<\/span> not<\/span> null<\/span>\r\n    then<\/span>\r\n        -- Dequeue Options<\/span>\r\n        dequeue_options<\/span>.<\/span>dequeue_mode<\/span>  :<\/span>=<\/span> DBMS_AQ<\/span>.<\/span>REMOVE<\/span>;<\/span>\r\n        dequeue_options<\/span>.<\/span>wait<\/span>          :<\/span>=<\/span> DBMS_AQ<\/span>.<\/span>NO_WAIT<\/span>;<\/span>\r\n        dequeue_options<\/span>.<\/span>navigation<\/span>    :<\/span>=<\/span> DBMS_AQ<\/span>.<\/span>FIRST_MESSAGE<\/span>;<\/span>\r\n        dequeue_options<\/span>.<\/span>wait<\/span>          :<\/span>=<\/span> 1<\/span>;<\/span>\r\n        dequeue_options<\/span>.<\/span>consumer_name<\/span> :<\/span>=<\/span> txeventq_subscriber<\/span>;<\/span>\r\n\r\n      DBMS_AQ<\/span>.<\/span>DEQUEUE<\/span>(<\/span>\r\n        queue_name<\/span> =><\/span> txeventq_topic<\/span>,<\/span>\r\n        dequeue_options<\/span> =><\/span> dequeue_options<\/span>,<\/span>\r\n        message_properties<\/span> =><\/span> message_properties<\/span>,<\/span>\r\n        payload<\/span> =><\/span> my_message<\/span>,<\/span>\r\n        msgid<\/span> =><\/span> message_id<\/span>);<\/span>\r\n        commit<\/span>;<\/span>\r\n        my_message<\/span>.<\/span>get_text<\/span>(<\/span>msg_text<\/span>);<\/span>\r\n        DBMS_OUTPUT<\/span>.<\/span>put_line<\/span>(<\/span>'TxEventQ message: '<\/span> ||<\/span> msg_text<\/span>);<\/span>\r\n    else<\/span>\r\n        DBMS_OUTPUT<\/span>.<\/span>put_line<\/span>(<\/span>'ERR : at least one of the variables is null !'<\/span>);<\/span>\r\n    end<\/span> if<\/span>;<\/span>\r\nend<\/span>;<\/span>\r\n\/<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
TxEventQ message: {\"id\": \"1\", \"message\": \"Sink Message from Kafka to TxEventQ #1\"}\r\n\r\nPL\/SQL procedure successfully completed.\r\n<\/code><\/pre>\n
\u307e\u3068\u3081<\/h1>\n
\u672c\u8a18\u4e8b\u3067\u306f\u3001Apache Kafka\u3068Oracle Transactional Event Queues(TEQ)\u3068\u3044\u30462\u3064\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30d6\u30ed\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002
\nTEQ\u306f\u30b3\u30f3\u30d0\u30fc\u30b8\u30c9\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308bOracle Database\u306e\u4e00\u6a5f\u80fd\u3067\u304b\u3064\u3001Kafka\u3068\u3082\u4e92\u63db\u6027\u304c\u3042\u308b\u306e\u3067\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30af\u30e9\u30b9\u306e\u30c7\u30fc\u30bf\u4e2d\u5fc3\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30fb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u672c\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3057\u305f\u3082\u306e\u306f\u3001\u5168\u3066OCI\u306e\u7121\u6599\u306e\u30ea\u30bd\u30fc\u30b9\u3067\u5b8c\u7d50\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u304a\u6642\u9593\u304c\u3042\u308c\u3070\u305c\u3072\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u53c2\u8003<\/h1>\n
    \n
  • \n
      kafka docker\u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Oracle Transactional Event Queues<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            Kafka Java Client for Oracle Transactional Event Queues<\/ul>\n","protected":false},"excerpt":{"rendered":"
            \u306f\u3058\u3081\u306b \u672c\u8a18\u4e8b\u306f\u3001Oracle Cloud Infrastructure Advent Calendar 2 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46723","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/46723-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u672c\u8a18\u4e8b\u306f\u3001Oracle Cloud Infrastructure Advent Calendar 2 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/46723-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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