UNPKG

@aws-cdk/aws-events

Version:

Amazon EventBridge Construct Library

109 lines 14.2 kB
"use strict"; var _a; Object.defineProperty(exports, "__esModule", { value: true }); exports.Schedule = void 0; const jsiiDeprecationWarnings = require("../.warnings.jsii.js"); const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti"); const core_1 = require("@aws-cdk/core"); /** * Schedule for scheduled event rules */ class Schedule { constructor() { } /** * Construct a schedule from a literal schedule expression * * @param expression The expression to use. Must be in a format that EventBridge will recognize */ static expression(expression) { return new LiteralSchedule(expression); } /** * Construct a schedule from an interval and a time unit */ static rate(duration) { if (duration.isUnresolved()) { const validDurationUnit = ['minute', 'minutes', 'hour', 'hours', 'day', 'days']; if (validDurationUnit.indexOf(duration.unitLabel()) === -1) { throw new Error("Allowed units for scheduling are: 'minute', 'minutes', 'hour', 'hours', 'day', 'days'"); } return new LiteralSchedule(`rate(${duration.formatTokenToNumber()})`); } if (duration.toSeconds() === 0) { throw new Error('Duration cannot be 0'); } let rate = maybeRate(duration.toDays({ integral: false }), 'day'); if (rate === undefined) { rate = maybeRate(duration.toHours({ integral: false }), 'hour'); } if (rate === undefined) { rate = makeRate(duration.toMinutes({ integral: true }), 'minute'); } return new LiteralSchedule(rate); } /** * Create a schedule from a set of cron fields */ static cron(options) { try { jsiiDeprecationWarnings._aws_cdk_aws_events_CronOptions(options); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.cron); } throw error; } if (options.weekDay !== undefined && options.day !== undefined) { throw new Error('Cannot supply both \'day\' and \'weekDay\', use at most one'); } const minute = fallback(options.minute, '*'); const hour = fallback(options.hour, '*'); const month = fallback(options.month, '*'); const year = fallback(options.year, '*'); // Weekday defaults to '?' if not supplied. If it is supplied, day must become '?' const day = fallback(options.day, options.weekDay !== undefined ? '?' : '*'); const weekDay = fallback(options.weekDay, '?'); return new class extends Schedule { constructor() { super(...arguments); this.expressionString = `cron(${minute} ${hour} ${day} ${month} ${weekDay} ${year})`; } _bind(scope) { if (!options.minute) { core_1.Annotations.of(scope).addWarning('cron: If you don\'t pass \'minute\', by default the event runs every minute. Pass \'minute: \'*\'\' if that\'s what you intend, or \'minute: 0\' to run once per hour instead.'); } return new LiteralSchedule(this.expressionString); } }; } } exports.Schedule = Schedule; _a = JSII_RTTI_SYMBOL_1; Schedule[_a] = { fqn: "@aws-cdk/aws-events.Schedule", version: "1.204.0" }; class LiteralSchedule extends Schedule { constructor(expressionString) { super(); this.expressionString = expressionString; } _bind() { } } function fallback(x, def) { return x ?? def; } /** * Return the rate if the rate is whole number */ function maybeRate(interval, singular) { if (interval === 0 || !Number.isInteger(interval)) { return undefined; } return makeRate(interval, singular); } /** * Return 'rate(${interval} ${singular}(s))` for the interval */ function makeRate(interval, singular) { return interval === 1 ? `rate(1 ${singular})` : `rate(${interval} ${singular}s)`; } //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"schedule.js","sourceRoot":"","sources":["schedule.ts"],"names":[],"mappings":";;;;;;AAAA,wCAAsD;AAMtD;;GAEG;AACH,MAAsB,QAAQ;IAgE5B,iBAA0B;IA/D1B;;;;OAIG;IACI,MAAM,CAAC,UAAU,CAAC,UAAkB;QACzC,OAAO,IAAI,eAAe,CAAC,UAAU,CAAC,CAAC;KACxC;IAED;;OAEG;IACI,MAAM,CAAC,IAAI,CAAC,QAAkB;QACnC,IAAI,QAAQ,CAAC,YAAY,EAAE,EAAE;YAC3B,MAAM,iBAAiB,GAAG,CAAC,QAAQ,EAAE,SAAS,EAAE,MAAM,EAAE,OAAO,EAAE,KAAK,EAAE,MAAM,CAAC,CAAC;YAChF,IAAI,iBAAiB,CAAC,OAAO,CAAC,QAAQ,CAAC,SAAS,EAAE,CAAC,KAAK,CAAC,CAAC,EAAE;gBAC1D,MAAM,IAAI,KAAK,CAAC,uFAAuF,CAAC,CAAC;aAC1G;YACD,OAAO,IAAI,eAAe,CAAC,QAAQ,QAAQ,CAAC,mBAAmB,EAAE,GAAG,CAAC,CAAC;SACvE;QACD,IAAI,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,EAAE;YAC9B,MAAM,IAAI,KAAK,CAAC,sBAAsB,CAAC,CAAC;SACzC;QAED,IAAI,IAAI,GAAG,SAAS,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC,EAAE,KAAK,CAAC,CAAC;QAClE,IAAI,IAAI,KAAK,SAAS,EAAE;YAAE,IAAI,GAAG,SAAS,CAAC,QAAQ,CAAC,OAAO,CAAC,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC,EAAE,MAAM,CAAC,CAAC;SAAE;QAC5F,IAAI,IAAI,KAAK,SAAS,EAAE;YAAE,IAAI,GAAG,QAAQ,CAAC,QAAQ,CAAC,SAAS,CAAC,EAAE,QAAQ,EAAE,IAAI,EAAE,CAAC,EAAE,QAAQ,CAAC,CAAC;SAAE;QAC9F,OAAO,IAAI,eAAe,CAAC,IAAI,CAAC,CAAC;KAClC;IAED;;OAEG;IACI,MAAM,CAAC,IAAI,CAAC,OAAoB;;;;;;;;;;QACrC,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,IAAI,OAAO,CAAC,GAAG,KAAK,SAAS,EAAE;YAC9D,MAAM,IAAI,KAAK,CAAC,6DAA6D,CAAC,CAAC;SAChF;QAED,MAAM,MAAM,GAAG,QAAQ,CAAC,OAAO,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;QAC7C,MAAM,IAAI,GAAG,QAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;QACzC,MAAM,KAAK,GAAG,QAAQ,CAAC,OAAO,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC;QAC3C,MAAM,IAAI,GAAG,QAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;QAEzC,kFAAkF;QAClF,MAAM,GAAG,GAAG,QAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,OAAO,CAAC,OAAO,KAAK,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;QAC7E,MAAM,OAAO,GAAG,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,GAAG,CAAC,CAAC;QAE/C,OAAO,IAAI,KAAM,SAAQ,QAAQ;YAAtB;;gBACO,qBAAgB,GAAW,QAAQ,MAAM,IAAI,IAAI,IAAI,GAAG,IAAI,KAAK,IAAI,OAAO,IAAI,IAAI,GAAG,CAAC;YAO1G,CAAC;YANQ,KAAK,CAAC,KAAgB;gBAC3B,IAAI,CAAC,OAAO,CAAC,MAAM,EAAE;oBACnB,kBAAW,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,UAAU,CAAC,gLAAgL,CAAC,CAAC;iBACpN;gBACD,OAAO,IAAI,eAAe,CAAC,IAAI,CAAC,gBAAgB,CAAC,CAAC;YACpD,CAAC;SACF,CAAC;KACH;;AAzDH,4BAuEC;;;AAsDD,MAAM,eAAgB,SAAQ,QAAQ;IACpC,YAA4B,gBAAwB;QAClD,KAAK,EAAE,CAAC;QADkB,qBAAgB,GAAhB,gBAAgB,CAAQ;KAEnD;IAEM,KAAK,MAAK;CAClB;AAED,SAAS,QAAQ,CAAI,CAAgB,EAAE,GAAM;IAC3C,OAAO,CAAC,IAAI,GAAG,CAAC;AAClB,CAAC;AAED;;GAEG;AACH,SAAS,SAAS,CAAC,QAAgB,EAAE,QAAgB;IACnD,IAAI,QAAQ,KAAK,CAAC,IAAI,CAAC,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,EAAE;QAAE,OAAO,SAAS,CAAC;KAAE;IACxE,OAAO,QAAQ,CAAC,QAAQ,EAAE,QAAQ,CAAC,CAAC;AACtC,CAAC;AAED;;GAEG;AACH,SAAS,QAAQ,CAAC,QAAgB,EAAE,QAAgB;IAClD,OAAO,QAAQ,KAAK,CAAC,CAAC,CAAC,CAAC,UAAU,QAAQ,GAAG,CAAC,CAAC,CAAC,QAAQ,QAAQ,IAAI,QAAQ,IAAI,CAAC;AACnF,CAAC","sourcesContent":["import { Annotations, Duration } from '@aws-cdk/core';\n\n// keep this import separate from other imports to reduce chance for merge conflicts with v2-main\n// eslint-disable-next-line no-duplicate-imports, import/order\nimport { Construct } from '@aws-cdk/core';\n\n/**\n * Schedule for scheduled event rules\n */\nexport abstract class Schedule {\n  /**\n   * Construct a schedule from a literal schedule expression\n   *\n   * @param expression The expression to use. Must be in a format that EventBridge will recognize\n   */\n  public static expression(expression: string): Schedule {\n    return new LiteralSchedule(expression);\n  }\n\n  /**\n   * Construct a schedule from an interval and a time unit\n   */\n  public static rate(duration: Duration): Schedule {\n    if (duration.isUnresolved()) {\n      const validDurationUnit = ['minute', 'minutes', 'hour', 'hours', 'day', 'days'];\n      if (validDurationUnit.indexOf(duration.unitLabel()) === -1) {\n        throw new Error(\"Allowed units for scheduling are: 'minute', 'minutes', 'hour', 'hours', 'day', 'days'\");\n      }\n      return new LiteralSchedule(`rate(${duration.formatTokenToNumber()})`);\n    }\n    if (duration.toSeconds() === 0) {\n      throw new Error('Duration cannot be 0');\n    }\n\n    let rate = maybeRate(duration.toDays({ integral: false }), 'day');\n    if (rate === undefined) { rate = maybeRate(duration.toHours({ integral: false }), 'hour'); }\n    if (rate === undefined) { rate = makeRate(duration.toMinutes({ integral: true }), 'minute'); }\n    return new LiteralSchedule(rate);\n  }\n\n  /**\n   * Create a schedule from a set of cron fields\n   */\n  public static cron(options: CronOptions): Schedule {\n    if (options.weekDay !== undefined && options.day !== undefined) {\n      throw new Error('Cannot supply both \\'day\\' and \\'weekDay\\', use at most one');\n    }\n\n    const minute = fallback(options.minute, '*');\n    const hour = fallback(options.hour, '*');\n    const month = fallback(options.month, '*');\n    const year = fallback(options.year, '*');\n\n    // Weekday defaults to '?' if not supplied. If it is supplied, day must become '?'\n    const day = fallback(options.day, options.weekDay !== undefined ? '?' : '*');\n    const weekDay = fallback(options.weekDay, '?');\n\n    return new class extends Schedule {\n      public readonly expressionString: string = `cron(${minute} ${hour} ${day} ${month} ${weekDay} ${year})`;\n      public _bind(scope: Construct) {\n        if (!options.minute) {\n          Annotations.of(scope).addWarning('cron: If you don\\'t pass \\'minute\\', by default the event runs every minute. Pass \\'minute: \\'*\\'\\' if that\\'s what you intend, or \\'minute: 0\\' to run once per hour instead.');\n        }\n        return new LiteralSchedule(this.expressionString);\n      }\n    };\n  }\n\n  /**\n   * Retrieve the expression for this schedule\n   */\n  public abstract readonly expressionString: string;\n\n  protected constructor() {}\n\n  /**\n   *\n   * @internal\n   */\n  public abstract _bind(scope: Construct): void;\n}\n\n/**\n * Options to configure a cron expression\n *\n * All fields are strings so you can use complex expressions. Absence of\n * a field implies '*' or '?', whichever one is appropriate.\n *\n * @see https://docs.aws.amazon.com/eventbridge/latest/userguide/scheduled-events.html#cron-expressions\n */\nexport interface CronOptions {\n  /**\n   * The minute to run this rule at\n   *\n   * @default - Every minute\n   */\n  readonly minute?: string;\n\n  /**\n   * The hour to run this rule at\n   *\n   * @default - Every hour\n   */\n  readonly hour?: string;\n\n  /**\n   * The day of the month to run this rule at\n   *\n   * @default - Every day of the month\n   */\n  readonly day?: string;\n\n  /**\n   * The month to run this rule at\n   *\n   * @default - Every month\n   */\n  readonly month?: string;\n\n  /**\n   * The year to run this rule at\n   *\n   * @default - Every year\n   */\n  readonly year?: string;\n\n  /**\n   * The day of the week to run this rule at\n   *\n   * @default - Any day of the week\n   */\n  readonly weekDay?: string;\n}\n\nclass LiteralSchedule extends Schedule {\n  constructor(public readonly expressionString: string) {\n    super();\n  }\n\n  public _bind() {}\n}\n\nfunction fallback<T>(x: T | undefined, def: T): T {\n  return x ?? def;\n}\n\n/**\n * Return the rate if the rate is whole number\n */\nfunction maybeRate(interval: number, singular: string) {\n  if (interval === 0 || !Number.isInteger(interval)) { return undefined; }\n  return makeRate(interval, singular);\n}\n\n/**\n * Return 'rate(${interval} ${singular}(s))` for the interval\n */\nfunction makeRate(interval: number, singular: string) {\n  return interval === 1 ? `rate(1 ${singular})` : `rate(${interval} ${singular}s)`;\n}\n"]}