{"id":7126,"date":"2015-04-30T21:35:26","date_gmt":"2015-04-30T12:35:26","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=7126"},"modified":"2018-11-14T16:33:48","modified_gmt":"2018-11-14T07:33:48","slug":"presto-connector-development-1","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2015\/04\/30\/presto-connector-development-1\/","title":{"rendered":"Presto \u30b3\u30cd\u30af\u30bf\u30fc\u3092\u5b9f\u88c5\u3059\u308b \u7b2c\u4e00\u56de"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3002\u677e\u672c\u3067\u3059\u3002<\/p>\n

\u5f0a\u793e\u3067\u306f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3084 CRM \u95a2\u9023\u306e SaaS \u3092\u958b\u767a\uff0f\u904b\u55b6\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u8fd1\u5e74\u3001\u3053\u306e\u9818\u57df\u3067\u5229\u7528\u3059\u308b\u30c7\u30fc\u30bf\u306e\u898f\u6a21\u304c\u307e\u3059\u307e\u3059\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u305d\u308c\u306b\u4f34\u3044\u3001\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u5148\u3082\u5f93\u6765\u306e\u3088\u3046\u306b\u300cRDB \u306e\u307f\u300d\u3068\u3044\u3046\u308f\u3051\u306b\u306f\u3044\u304b\u305a\u7528\u9014\u306b\u3088\u3063\u3066\u69d8\u3005\u306b\u5206\u304b\u308c\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3057\u304b\u3057\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u3092\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u7d71\u5408\u3057\u3066\u6271\u304a\u3046\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u65b9\u6cd5\u306b\u982d\u3092\u60a9\u307e\u305b\u307e\u3059\u3002Hadoop\/HDFS \u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u96c6\u3081\u3001Hive \u7b49\u3092\u4f7f\u3063\u3066\u30d0\u30c3\u30c1\u51e6\u7406\u3055\u305b\u308b\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u826f\u3044\u3067\u3059\u304c\u3001\u304a\u5ba2\u69d8\u3084\u30d7\u30ed\u30c0\u30af\u30c8\u4f01\u753b\u30c1\u30fc\u30e0\u304b\u3089\u306e\u671f\u5f85\u306f\u300c\u3088\u308a\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u300d\u306a\u51e6\u7406\u3067\u3059\u3002<\/p>\n

Facebook \u793e\u306b\u3088\u3063\u3066\u516c\u958b\u3055\u308c\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u5206\u6563\u51e6\u7406\u57fa\u76e4\u3067\u3042\u308b Presto<\/a> \u306f\u3053\u3046\u3044\u3063\u305f\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u4eca\u56de\u306f Presto \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a18\u4e8b\u3092\u66f8\u3053\u3046\u30fb\u30fb\u30fb\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u30b9\u30ba\u30ad\u7de8\u96c6\u9577\u304b\u3089\u300c\u305d\u308c\u3060\u3051\u3058\u3083\u9762\u767d\u304f\u306a\u3044\u3058\u3083\u3093\u300d\u7684\u306a\u7406\u4e0d\u5c3d\u306a<\/del>\u767a\u8a00\u3092\u9802\u3044\u305f\u306e\u3067\u3001Presto \u3092\u66f4\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b Presto \u30b3\u30cd\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u4f55\u56de\u304b\u306b\u5206\u3051\u3066\u8a18\u4e8b\u3092\u66f8\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n

Presto \u30b3\u30cd\u30af\u30bf\u30fc\u3068\u306f\uff1f<\/h2>\n

\u30b3\u30cd\u30af\u30bf\u30fc\u306f Presto \u304c\u5404\u7a2e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b\u30a2\u30c0\u30d7\u30bf\u30fc\u7684\u306a\u3082\u306e\u3067\u3001\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u3067 Java8 \u30d9\u30fc\u30b9\u3067 Service Provider<\/a> \u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

JAR File Specification - Service Provider
\n
http:\/\/docs.oracle.com\/javase\/8\/docs\/technotes\/guides\/jar\/jar.html#Service_Provider<\/a><\/p>\n

\u65e2\u5b58\u306e\u30b3\u30cd\u30af\u30bf\u30fc\u5b9f\u88c5\u3068\u3057\u3066\u3001Cassandra\u3001Hive\u3001MySQL\u3001PostgreSQL \u7b49\u306e\u30b3\u30cd\u30af\u30bf\u30fc\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Presto Document - 4. Connectors
\n
https:\/\/prestodb.io\/docs\/current\/connector.html<\/a><\/p>\n

Presto \u30b3\u30cd\u30af\u30bf\u30fc\u958b\u767a\u624b\u9806<\/h2>\n

\u5b9f\u306f\u73fe\u6642\u70b9\u3067\u306f\u30b3\u30cd\u30af\u30bf\u30fc\u958b\u767a\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u5c11\u306a\u304f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u5b9f\u969b\u306e\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u30bd\u30fc\u30b9<\/a>\u3092\u898b\u306a\u304c\u3089\u958b\u767a\u3059\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002
\n# javadoc \u306b\u3082\u671f\u5f85\u3067\u304d\u307e\u305b\u3093\u30fb\u30fb\u3002<\/p>\n

Presto Document - 9. Developer Guide
\n
http:\/\/facebook.github.io\/presto\/docs\/current\/develop.html<\/a><\/p>\n

Github facebook\/presto
\n
https:\/\/github.com\/facebook\/presto<\/a><\/p>\n

Github \u306b\u3042\u308b presto-example-http<\/a> \u3068\u3044\u3046\u306e\u304c\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

presto-example-http
\n
https:\/\/github.com\/facebook\/presto\/tree\/master\/presto-example-http<\/a><\/p>\n

\u672c\u8a18\u4e8b\u3067\u306f\u3053\u306e presto-example-http \u3092\u4f7f\u3063\u3066\u89e3\u8aac\u3057\u3066\u3082\u3088\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u5165\u9580\u7de8\u3068\u3057\u3066\u308f\u304b\u308a\u3084\u3059\u3044\u8a18\u4e8b\u306b\u306a\u308b\u3088\u3046\u3001\u66f4\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30cd\u30af\u30bf\u30fc\u3092\u4f5c\u308a\u306a\u304c\u3089\u89e3\u8aac\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u958b\u767a\u624b\u9806\u306f\u3056\u3063\u304f\u308a\u3068\u6b21\u306e\u901a\u308a\u3002<\/p>\n

    \n
  1. Presto Plugin \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u53d6\u5f97\n
  2. \u30b3\u30cd\u30af\u30bf\u30fc\u306e\u5b9f\u88c5<\/li>\n
  3. \u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u4f5c\u6210<\/li>\n
  4. \u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e<\/li>\n
  5. Presto \u306e\u8a2d\u5b9a\u5909\u66f4<\/li>\n
  6. Presto \u306e\u518d\u8d77\u52d5<\/li>\n
  7. \u52d5\u4f5c\u78ba\u8a8d<\/li>\n<\/ol>\n

    \u3053\u306e\u9806\u756a\u3067\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff08\u9023\u8f09\u9014\u4e2d\u3067\u5909\u66f4\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff09\u3002<\/p>\n

    1. Presto Plugin \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u53d6\u5f97<\/h2>\n

    \u672c\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6642\u70b9\u3067 Presto \u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 0.101 \u3067\u3059\u304c\u3001\u90fd\u5408\u4e0a\u4eca\u56de\u306f 0.96 \u3092\u4f7f\u3044\u307e\u3059\uff08\u79c1\u306e\u958b\u767a\u74b0\u5883\u304c\u73fe\u5728 0.96 \u306a\u306e\u3067\u3059\u30020.101 \u306b\u4e0a\u3052\u308b\u6642\u9593\u304c\u53d6\u308c\u306a\u304b\u3063\u305f\u3068\u3044\u3046\u3060\u3051\u3067\u3059\u3002\u3054\u3081\u3093\u306a\u3055\u3044\uff09\u3002<\/p>\n

    \u30b3\u30cd\u30af\u30bf\u30fc\u958b\u767a\u3067\u306f presto-spi<\/a> \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n

    \u305d\u306e\u4ed6\u3001\u5fc5\u8981\u306a\u3082\u306e\u3092\u542b\u3081\u305f build.gradle \u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \r\napply plugin: 'java'\r\napply plugin: 'eclipse'\r\napply plugin: 'propdeps'\r\napply plugin: 'propdeps-maven'\r\n\r\nsourceCompatibility = 1.8\r\nversion = '1.0'\r\n\r\nbuildscript {\r\n    repositories {\r\n        maven { url 'http:\/\/repo.spring.io\/plugins-release' }\r\n        mavenCentral()\r\n    }\r\n    dependencies {\r\n        classpath 'org.springframework.build.gradle:propdeps-plugin:0.0.6'\r\n    }\r\n}\r\n\r\nrepositories {\r\n    mavenCentral()\r\n}\r\n\r\ndependencies {\r\n    provided 'org.projectlombok:lombok:1.16.2'\r\n\r\n    provided 'com.facebook.presto:presto-spi:0.96'\r\n\r\n    provided 'com.fasterxml.jackson.core:jackson-databind:2.5.0'\r\n    provided 'com.fasterxml.jackson.core:jackson-core:2.5.0'\r\n    provided 'com.fasterxml.jackson.core:jackson-annotations:2.5.0'\r\n\r\n    provided 'com.google.guava:guava:18.0'\r\n    provided 'com.google.inject:guice:3.0'\r\n    provided 'com.google.inject.extensions:guice-multibindings:3.0'\r\n\r\n    provided 'javax.validation:validation-api:1.0.0.GA'\r\n\r\n    provided 'io.airlift:json:0.103'\r\n    provided 'io.airlift:log:0.103'\r\n    provided 'io.airlift:configuration:0.103'\r\n    provided 'io.airlift:bootstrap:0.103'\r\n    provided 'io.airlift:slice:0.10'\r\n    compile 'io.airlift:units:0.103'\r\n}\r\n<\/pre>\n

    \u307b\u3068\u3093\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f Presto \u672c\u4f53\u306e lib \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u7f6e\u304b\u308c\u3066\u3044\u308b\u305f\u3081\u3001provided \u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

    lombok<\/a> \u306f\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u672c\u8a18\u4e8b\u3092\u66f8\u304f\u306b\u3042\u305f\u308a\u8da3\u65e8\u3068\u95a2\u4fc2\u306e\u8584\u3044\u7121\u99c4\u306a\u30b3\u30fc\u30c9\u3092\u7701\u304f\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\uff08lombok \u306b\u3064\u3044\u3066\u306f\u3044\u305a\u308c\u672c\u30d6\u30ed\u30b0\u5185\u3067\u8ab0\u304b\u304c\u7d39\u4ecb\u8a18\u4e8b\u3092\u66f8\u304f\u3068\u601d\u3044\u307e\u3059\uff09\u3002<\/p>\n

    lombok \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306f\u4e0b\u8a18\u3092\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

    Project Lombok - Download
    \n
    http:\/\/projectlombok.org\/download.html<\/a><\/p>\n

    CodeZine - Java\u7279\u6709\u306e\u5197\u9577\u306a\u30b3\u30fc\u30c9\u3092\u7c21\u6f54\u306b\u8a18\u8ff0\u3059\u308b\u300cLombok\u300d
    \n
    http:\/\/codezine.jp\/article\/detail\/7274<\/a><\/p>\n

    2. Presto \u30b3\u30cd\u30af\u30bf\u30fc\u306e\u5b9f\u88c5<\/h2>\n

    \u30af\u30e9\u30b9\u69cb\u6210<\/h3>\n

    \u672c\u8a18\u4e8b\u3067\u306f\u56fa\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\uff0f\u30c7\u30fc\u30bf\u3092\u6271\u3046 ReadOnly \u306a\u30b3\u30cd\u30af\u30bf\u30fc\u3092\u958b\u767a\u3057\u307e\u3059\u3002<\/p>\n

    \u6700\u5c0f\u69cb\u6210\u3067\u5b9f\u73fe\u3059\u308b\u70ba\u3001\u5b9f\u88c5\u30af\u30e9\u30b9\u306f\u6b21\u306e\u5341\u6570\u30d5\u30a1\u30a4\u30eb\u7a0b\u5ea6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    TechscorePrestoPlugin implements com.facebook.presto.spi.Plugin<\/a><\/h4>\n

    Service Provider \u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u3067\u3059\u3002TechscoreConnectorFactory \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreConnectorFactory implements com.facebook.presto.spi.ConnectorFactory<\/a><\/h4>\n

    \u305d\u306e\u540d\u306e\u901a\u308a\u3001\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30af\u30e9\u30b9\u3067\u3001TechscoreConnector \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30b3\u30cd\u30af\u30bf\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u306b\u306f com.google.inject.Injector \u3092\u4f7f\u3044\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3057\u307e\u3059\u3002<\/p>\n

    TechscoreModule implements com.google.inject.Module<\/h4>\n

    \u30b3\u30cd\u30af\u30bf\u751f\u6210\u6642\u306e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3067\u4f7f\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreConnector implements com.facebook.presto.spi.Connector<\/a><\/h4>\n

    \u30b3\u30cd\u30af\u30bf\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u30b3\u30cd\u30af\u30bf\u30fc\u3068\u3057\u3066\u5fc5\u8981\u306a\u5404\u7a2e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3060\u3051\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n

    TechscoreMetadata extends com.facebook.presto.spi.ReadOnlyConnectorMetadata<\/a><\/h4>\n

    \u30b9\u30ad\u30fc\u30de\u3084\u30c6\u30fc\u30d6\u30eb\u306b\u95a2\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n

    TechscoreHandleResolver implements com.facebook.presto.spi.ConnectorHandleResolver<\/a><\/h4>\n

    \u5404\u7a2e\u30cf\u30f3\u30c9\u30eb\u30af\u30e9\u30b9\u3092\u6271\u3046\u70ba\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u30af\u30e9\u30b9\u3067\u3059\u3002\u30cf\u30f3\u30c9\u30eb\u30af\u30e9\u30b9\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u60c5\u5831\u3092\u6271\u3046\u3082\u306e\u3084\u30ab\u30e9\u30e0\u60c5\u5831\u3092\u6271\u3046\u3082\u306e\u7b49\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    TechscoreTableHandle implements com.facebook.presto.spi.ConnectorTableHandle<\/a><\/h4>\n

    \u30c6\u30fc\u30d6\u30eb\u60c5\u5831\u3092\u6271\u3046\u70ba\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002 ConnectorTableHandle \u81ea\u4f53\u306f\u7a7a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u306e\u3067\u3001\u4f55\u3092\u5b9f\u88c5\u3059\u308b\u304b\u306f\u958b\u767a\u8005\u306b\u59d4\u306d\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreColumnHandle implements com.facebook.presto.spi.ConnectorColumnHandle<\/h4>\n

    \u30ab\u30e9\u30e0\u60c5\u5831\u3092\u6271\u3046\u70ba\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002 ConnectorColumnHandle \u81ea\u4f53\u306f\u7a7a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u306e\u3067\u3001\u4f55\u3092\u5b9f\u88c5\u3059\u308b\u304b\u306f\u958b\u767a\u8005\u306b\u59d4\u306d\u3089\u308c\u3066\u3044\u307e\u3059\u3002
    \n\u203b 0.101 \u3067\u306f
    ColumnHandle<\/a> \u306b\u5909\u66f4\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n

    TechscoreSplitManager implements com.facebook.presto.spi.ConnectorSplitManager<\/a><\/h4>\n

    \u30b3\u30cd\u30af\u30bf\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u3088\u304f\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3092\u62c5\u3046\u30af\u30e9\u30b9\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066 TechscorePartition \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u3001TechscoreSplit \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n

    TechscorePartition implements com.facebook.presto.spi.ConnectorPartition<\/a><\/h4>\n

    TechscoreSplitManager \u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u60c5\u5831\u3092\u6301\u3064\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n

    TechscoreSplit implements com.facebook.presto.spi.ConnectorSplit<\/a><\/h4>\n

    \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u306b\u57fa\u3065\u304d\u6c7a\u5b9a\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u60c5\u5831\u3092\u6271\u3046\u30af\u30e9\u30b9\u3067\u3059\u3002 TechscoreRecordSet \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u6642\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

    TechscoreRecordSetProvider implements com.facebook.presto.spi.ConnectorRecordSetProvider<\/a><\/h4>\n

    TechscoreRecordSet \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreRecordSet implements com.facebook.presto.spi.RecordSet<\/a><\/h4>\n

    TechscoreSplit \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5358\u4f4d\u3067\u751f\u6210\u3055\u308c\u3001TechscoreRecordCursor \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreRecordCursor implements com.facebook.presto.spi.RecordCursor<\/a><\/h4>\n

    \u30c7\u30fc\u30bf\u64cd\u4f5c\u306b\u6271\u3046\u300c\u30ab\u30fc\u30bd\u30eb\u300d\u3067\u3001 JDBC \u306e java.sql.ResultSet<\/a> \u3068\u540c\u3058\u3088\u3046\u306a\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n

    TechscoreConnectorConfig<\/h4>\n

    \u30ab\u30fc\u30bd\u30eb\u5c02\u7528\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\u304c\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3055\u308c\u308b POJO \u3067\u3059\u3002<\/p>\n

    \u305d\u306e\u4ed6\u3001\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u56fa\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\uff0f\u30c7\u30fc\u30bf\u3092\u5b9a\u7fa9\u3059\u308b\u30af\u30e9\u30b9\u7b49\u3082\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u6a19\u6e96\u3067\u5fc5\u8981\u3068\u306a\u308b\u30af\u30e9\u30b9\u306f\u4e0a\u8a18\u306e\u901a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

    Plugin \u3068\u305d\u306e\u5468\u8fba\u30af\u30e9\u30b9\u306e\u5b9f\u88c5<\/h3>\n

    JAR \u306e Service Provider \u4ed5\u69d8\u306b\u57fa\u3065\u304d\u3001\u672c\u30b3\u30cd\u30af\u30bf\u306b\u304a\u3044\u3066 Plugin<\/code> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u304c TechscorePrestoPlugin<\/code> \u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u3084\u308a\u65b9\u306f\u3001\u4e0b\u8a18\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3001\u305d\u306e\u4e2d\u306b\u5b9f\u88c5\u30af\u30e9\u30b9\u540d\u3092\u8a18\u8f09\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n

    java\/main\/resources\/META-INF\/services\/com.facebook.presto.spi.Plugin<\/p>\n

    \r\ncom.facebook.presto.spi.Plugin.TechscorePrestoPlugin\r\n<\/pre>\n

    TechscorePrestoPlugin<\/code> \u306e\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n

    com.techscore.example.presto.plugin.TechscorePrestoPlugin<\/p>\n

    \r\npackage com.techscore.example.presto.plugin;\r\n\r\nimport java.util.List;\r\nimport java.util.Map;\r\n\r\nimport lombok.NonNull;\r\n\r\nimport com.facebook.presto.spi.ConnectorFactory;\r\nimport com.facebook.presto.spi.Plugin;\r\nimport com.google.common.collect.ImmutableList;\r\nimport com.google.common.collect.ImmutableMap;\r\n\r\npublic class TechscorePrestoPlugin implements Plugin {\r\n\r\n    private Map optionalConfig = ImmutableMap.of();\r\n\r\n    public synchronized Map getOptionalConfig() {\r\n        return optionalConfig;\r\n    }\r\n\r\n    @Override\r\n    public synchronized void setOptionalConfig(@NonNull Map optionalConfig) {\r\n        this.optionalConfig = ImmutableMap.copyOf(optionalConfig);\r\n    }\r\n\r\n    @Override\r\n    public synchronized  List getServices(Class type) {\r\n        if (type == ConnectorFactory.class) {\r\n            return ImmutableList.of(type.cast(new TechscoreConnectorFactory(getOptionalConfig())));\r\n        }\r\n        return ImmutableList.of();\r\n    }\r\n}\r\n<\/pre>\n

    getServices()<\/code> \u30e1\u30bd\u30c3\u30c9\u3067\u3001ConnectorFactory<\/code> \u5b9f\u88c5\u30af\u30e9\u30b9\u3092\u8981\u6c42\u3055\u308c\u305f\u6642\u306b TechscoreConnectorFactory<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6642\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u6e21\u3055\u308c\u308b\u30b3\u30f3\u30d5\u30a3\u30b0\u306f Presto \u306b\u3088\u3063\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u3001setOptionalConfig()<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u7d4c\u7531\u3057\u3066\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u751f\u6210\u3055\u308c\u308b TechscoreConnectorFactory<\/code> \u306e\u30bd\u30fc\u30b9\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n

    com.techscore.example.presto.plugin.TechscoreConnectorFactory<\/p>\n

    \r\npackage com.techscore.example.presto.plugin;\r\n\r\nimport io.airlift.bootstrap.Bootstrap;\r\nimport io.airlift.json.JsonModule;\r\n\r\nimport java.util.Map;\r\n\r\nimport lombok.Getter;\r\nimport lombok.NonNull;\r\n\r\nimport com.facebook.presto.spi.Connector;\r\nimport com.facebook.presto.spi.ConnectorFactory;\r\nimport com.google.common.base.Throwables;\r\nimport com.google.inject.Binder;\r\nimport com.google.inject.Injector;\r\nimport com.google.inject.Module;\r\nimport com.google.inject.name.Names;\r\n\r\npublic class TechscoreConnectorFactory implements ConnectorFactory {\r\n\r\n    private static final String NAME = \"techscore\";\r\n\r\n    @Getter\r\n    private final Map optionalConfig;\r\n\r\n    public TechscoreConnectorFactory(@NonNull Map optionalConfig) {\r\n        this.optionalConfig = optionalConfig;\r\n    }\r\n\r\n    @Override\r\n    public String getName() {\r\n        return NAME;\r\n    }\r\n\r\n    @Override\r\n    public Connector create(@NonNull final String connectorId, @NonNull Map config) {\r\n        try {\r\n            Bootstrap app = new Bootstrap(new JsonModule(),\r\n                    new TechscoreModule(connectorId), new Module() {\r\n                        @Override\r\n                        public void configure(Binder binder) {\r\n                            binder.bindConstant().annotatedWith(Names.named(\"connectorId\")).to(connectorId);\r\n                        }\r\n                    });\r\n\r\n            Injector injector = app.strictConfig()\r\n                    .doNotInitializeLogging()\r\n                    .setRequiredConfigurationProperties(config)\r\n                    .setOptionalConfigurationProperties(getOptionalConfig())\r\n                    .initialize();\r\n\r\n            return injector.getInstance(TechscoreConnector.class);\r\n        } catch (Exception e) {\r\n            throw Throwables.propagate(e);\r\n        }\r\n    }\r\n}\r\n<\/pre>\n

    create()<\/code> \u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001com.google.inject.Injector<\/code> \u3092\u4f7f\u3063\u3066\u5fc5\u8981\u306a\u60c5\u5831\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u3053\u3053\u3067\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3059\u308b\u60c5\u5831\u306f TechscoreModule<\/code> \u3092\u4f7f\u3063\u3066\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

    com.techscore.example.presto.plugin.TechscoreModule<\/p>\n

    \r\npackage com.techscore.example.presto.plugin;\r\n\r\nimport static io.airlift.configuration.ConfigurationModule.bindConfig;\r\nimport lombok.Getter;\r\nimport lombok.NonNull;\r\n\r\nimport com.google.inject.Binder;\r\nimport com.google.inject.Module;\r\nimport com.google.inject.Scopes;\r\n\r\npublic class TechscoreModule implements Module {\r\n\r\n    @Getter\r\n    private final String connectorId;\r\n\r\n    public TechscoreModule(@NonNull String connectorId) {\r\n        this.connectorId = connectorId;\r\n    }\r\n\r\n    @Override\r\n    public void configure(Binder binder) {\r\n        binder.bind(TechscoreConnector.class).in(Scopes.SINGLETON);\r\n        binder.bind(TechscoreMetadata.class).in(Scopes.SINGLETON);\r\n        binder.bind(TechscoreClient.class).in(Scopes.SINGLETON);\r\n        binder.bind(TechscoreSplitManager.class).in(Scopes.SINGLETON);\r\n        binder.bind(TechscoreRecordSetProvider.class).in(Scopes.SINGLETON);\r\n        binder.bind(TechscoreHandleResolver.class).in(Scopes.SINGLETON);\r\n        bindConfig(binder).to(TechscoreConnectorConfig.class);\r\n    }\r\n}\r\n<\/pre>\n

    configure()<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u898b\u308b\u3068\u3001\u4f55\u3092\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u53ef\u80fd\u3068\u3057\u3066\u3044\u308b\u304b\u660e\u3089\u304b\u3067\u3059\u306d\u3002TechscorePrestoPlugin<\/code> \u306b\u6e21\u3055\u308c\u305f\u30b3\u30f3\u30d5\u30a3\u30b0\u306f\u3053\u3053\u3067 TechscoreConnectorConfig<\/code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002<\/p>\n

    com.techscore.example.presto.plugin.TechscoreConnectorConfig<\/p>\n

    \r\npackage com.techscore.example.presto.plugin;\r\n\r\nimport io.airlift.configuration.Config;\r\n\r\nimport javax.validation.constraints.NotNull;\r\n\r\npublic class TechscoreConnectorConfig {\r\n\r\n    private String urlBase;\r\n\r\n    @NotNull\r\n    public String getUrlBase() {\r\n        return urlBase;\r\n    }\r\n\r\n    @Config(\"techscore.url-base\")\r\n    public TechscoreConnectorConfig setUrlBase(String urlBase) {\r\n        this.urlBase = urlBase;\r\n        return this;\r\n    }\r\n}\r\n<\/pre>\n

    \u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u30b3\u30f3\u30d5\u30a3\u30b0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u672c\u30b5\u30a4\u30c8\u306e\u30d9\u30fc\u30b9 URL \u3092\u6301\u305f\u305b\u307e\u3059\u3002setUrlBase()<\/code> \u30e1\u30bd\u30c3\u30c9\u306e\u3088\u3046\u306b\u3001@Config<\/code> \u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u305d\u306e\u5024\u304c\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30bb\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n

    \u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306f\u6b21\u306e\u3088\u3046\u306a\u5185\u5bb9\u3068\u306a\u308a\u307e\u3059\uff08\u914d\u7f6e\u5834\u6240\u306f\u6b21\u56de\u4ee5\u964d\u306b\uff09\u3002<\/p>\n

    techscore.properties<\/p>\n

    \r\nconnector.name=techscore\r\ntechscore.url-base=http:\/\/www.techscore.com\/blog\/\r\n<\/pre>\n

    \u305d\u3057\u3066 TechscoreConnector<\/code> \u304c\u3053\u308c\u3002<\/p>\n

    com.techscore.example.presto.plugin.TechscoreConnector<\/p>\n

    \r\npackage com.techscore.example.presto.plugin;\r\n\r\nimport javax.inject.Inject;\r\n\r\nimport lombok.Getter;\r\nimport lombok.NonNull;\r\n\r\nimport com.facebook.presto.spi.Connector;\r\nimport com.facebook.presto.spi.ConnectorHandleResolver;\r\nimport com.facebook.presto.spi.ConnectorIndexResolver;\r\nimport com.facebook.presto.spi.ConnectorMetadata;\r\nimport com.facebook.presto.spi.ConnectorPageSourceProvider;\r\nimport com.facebook.presto.spi.ConnectorRecordSetProvider;\r\nimport com.facebook.presto.spi.ConnectorRecordSinkProvider;\r\nimport com.facebook.presto.spi.ConnectorSplitManager;\r\n\r\npublic class TechscoreConnector implements Connector {\r\n\r\n    @Getter\r\n    private final ConnectorHandleResolver handleResolver;\r\n\r\n    @Getter\r\n    private final ConnectorMetadata metadata;\r\n\r\n    @Getter\r\n    private final ConnectorSplitManager splitManager;\r\n\r\n    @Getter\r\n    private final ConnectorRecordSetProvider recordSetProvider;\r\n\r\n    @Inject\r\n    public TechscoreConnector(@NonNull TechscoreHandleResolver tHandleResolver,\r\n            @NonNull TechscoreMetadata tMetadata,\r\n            @NonNull TechscoreSplitManager tSplitManager,\r\n            @NonNull TechscoreRecordSetProvider tRecordSetProvider) {\r\n        this.handleResolver = tHandleResolver;\r\n        this.metadata = tMetadata;\r\n        this.splitManager = tSplitManager;\r\n        this.recordSetProvider = tRecordSetProvider;\r\n    }\r\n\r\n    @Override\r\n    public ConnectorPageSourceProvider getPageSourceProvider() {\r\n        throw new UnsupportedOperationException();\r\n    }\r\n\r\n    @Override\r\n    public ConnectorRecordSinkProvider getRecordSinkProvider() {\r\n        throw new UnsupportedOperationException();\r\n    }\r\n\r\n    @Override\r\n    public ConnectorIndexResolver getIndexResolver() {\r\n        throw new UnsupportedOperationException();\r\n    }\r\n}\r\n<\/pre>\n

    \u524d\u8ff0\u306e\u901a\u308a\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u5fc5\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f lombok \u306e @Getter<\/code> \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u81ea\u52d5\u751f\u6210\u3055\u308c\u305f\u30b2\u30c3\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u4eca\u56de\u4e0d\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u306f UnsupportedOperationException<\/code> \u3092\u30b9\u30ed\u30fc\u3059\u308b\u3088\u3046\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u6b21\u56de\u306f<\/h2>\n

    \u9577\u3044\u5272\u306b\u306f\u5e8f\u6587\u7684\u306a\u8a18\u4e8b\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u307e\u3067\u3067\u6982\u306d\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002
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    \u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[57,193],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/7126"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=7126"}],"version-history":[{"count":43,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/7126\/revisions"}],"predecessor-version":[{"id":7217,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/7126\/revisions\/7217"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=7126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=7126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=7126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}