TypeScript plywood.Action类代码示例

  static fromJS(parameters: SplitCombineJS, context?: SplitCombineContext): SplitCombine {
    if (typeof parameters === 'string') {
      if (!context) throw new Error('must have context for string split');
      var dimension = context.dimensions.find(d => d.name === parameters);
      if (!dimension) throw new Error(`can not find dimension ${parameters}`);
      return new SplitCombine({
        expression: dimension.expression,
        bucketAction: null,
        sortAction: null,
        limitAction: null
      });
    } else {
      var value: SplitCombineValue = {
        expression: Expression.fromJSLoose(parameters.expression),
        bucketAction: null,
        sortAction: null,
        limitAction: null
      };

      if (parameters.bucketAction) value.bucketAction = Action.fromJS(parameters.bucketAction);
      if (parameters.sortAction) value.sortAction = SortAction.fromJS(parameters.sortAction);
      if (parameters.limitAction) value.limitAction = LimitAction.fromJS(parameters.limitAction);
      return new SplitCombine(value);
    }
  }

 public toJS(): SplitCombineJS {
   var js: SplitCombineJSFull = {
     expression: this.expression.toJS()
   };
   if (this.bucketAction) js.bucketAction = this.bucketAction.toJS();
   if (this.sortAction) js.sortAction = this.sortAction.toJS();
   if (this.limitAction) js.limitAction = this.limitAction.toJS();
   return js;
 }

 public getBucketAction(): Action {
   if (this.type === 'TIME') {
     return Action.fromJS({
       action: 'timeBucket',
       duration: 'PT1H',
       timezone: 'Etc/UTC'
     });
   }
   return null;
 }

 public equals(other: SplitCombine): boolean {
   var { expression, bucketAction, sortAction, limitAction } = this;
   return SplitCombine.isSplitCombine(other) &&
     expression.equals(other.expression) &&
     Boolean(bucketAction) === Boolean(other.bucketAction) &&
     (!bucketAction || bucketAction.equals(other.bucketAction)) &&
     Boolean(sortAction) === Boolean(other.sortAction) &&
     (!sortAction || sortAction.equals(other.sortAction)) &&
     Boolean(limitAction) === Boolean(other.limitAction) &&
     (!limitAction || limitAction.equals(other.limitAction));
 }

export function granularityFromJS(input: GranularityJS): Granularity {
  if (typeof input === 'number') return NumberBucketAction.fromJS({ size: input });
  if (typeof input === 'string') return TimeBucketAction.fromJS({ duration: input });

  if (typeof input === "object") {
    if (!hasOwnProperty(input, 'action')) {
      throw new Error(`could not recognize object as action`);
    }
    return (Action.fromJS(input as GranularityJS) as Granularity);
  }
  throw new Error(`input should be of type number, string, or action`);
}

  static fromJS(parameters: SplitCombineJS): SplitCombine {
    var value: SplitCombineValue = {
      expression: Expression.fromJS(parameters.expression),
      bucketAction: null,
      sortAction: null,
      limitAction: null
    };

    if (parameters.bucketAction) value.bucketAction = Action.fromJS(parameters.bucketAction);
    if (parameters.sortAction) value.sortAction = SortAction.fromJS(parameters.sortAction);
    if (parameters.limitAction) value.limitAction = LimitAction.fromJS(parameters.limitAction);
    return new SplitCombine(value);
  }

 public timezoneDependant(): boolean {
   const { bucketAction } = this;
   if (!bucketAction) return false;
   return bucketAction.needsEnvironment();
 }