[DS][33/n] Create static constructor for cron condition

[OwenKephart]

Summary & Motivation

Creates a sort of "distributed schedule" condition. In the limit (all nodes share the same schedule), this functions essentially equivalently to a regular @schedule, but this has the advantage of being possible to set on a per-node basis.

How I Tested These Changes

[OwenKephart]

• [DS][40/n] Create an as_auto_materialize_policy method on SchedulingCondition #21788
• [DS][39/n] Use FailedSchedulingCondition and ScheduledSince condition in eager policy #21741
• [DS][38/n] Create FailedSchedulingCondition #21740
• [DS][37/n] Reorganize AssetGraphView methods #21739
• [DS][36/n] Create ScheduledSince condition #21712
• [DS][35/n] Replace asset_subsets_with_metadata with asset_slices_with_metadata #21793
• [DS][34/n] Remove some AssetCondition references #21704
• [DS][33/n] Create static constructor for cron condition #21703 👈
• [DS][32/n] Update UpdatedSinceCronCondition #21677
• [DS][31/n] Create static constructor for eager condition #21737
• [DS][30/n] Create new unique ids for each child based off of index #21671 : 1 other dependent PR (#21705 )
• [DS][29/n] Create ParentNewerCondition #21641 : 1 other dependent PR (#21670 )
• [DS][28/n] Create WillBeRequestedCondition #21640
• [DS][27/n] Make candidate_slice and true_slice Optional #21648
• [DS][26/n] Update internal representation of InLatestTimeWindow #21615
• [DS][25/n] Narrow extra_state type #21613
• [DS][24/n] Remove all AssetSubset references from the context and result objects #21612
• [DS][23/n] Update SchedulingContext object #21573
• [DS][22/n] Convert SchedulingResult to DagsterModel #21546
• [DS][21/n] Rename AssetConditionResult to SchedulingResult #21545
• [DS][20/n] Port static constructors from AssetCondition to SchedulingCondition #21541
• [DS][19/n] Create SchedulingCondition object to replace AssetCondition #21540
• [DS][18/n] Move serialized objects into separate file #21539
• [DS][17/n] Move legacy files to separate legacy folder #21538
• [DS][16/n] Rename AssetConditionEvaluationContext to LegacyRuleEvaluationContext #21537
• [DS][15/n] Move operators to separate folder #21536
• [DS][14/n] Remove unused methods and properties #21535
• [DS][13/n] Convert SchedulingContext to DagsterModel #21521
• [DS][12/n] Rename SchedulingContext object #21520
• [DS][11/n] Create InProgressCondition #21511 : 1 other dependent PR (#21512 )
• [DS][10/n] Create UpdatedSinceCronCondition #21510
• [DS][9/n] Add lookback_timedelta to InLatestTimeWindow condition #21508
• [DS][8/n] Create InLatestTimeWindow condition #21507
• [DS][7/n] Create MaterializedSchedulingCondition #21505
• [DS][6/n] Create Any/AllDepsMatchSchedulingConditions #21504
• [DS][5/n] Use AssetSlice in AssetConditionResult #21503
• [DS][4/n] Rename asset_condition folder and add README #21502
• [DS][3/n] Update unique_id creation logic #21501
• [DS][2/n] Update signature of AutoMaterializeRule #21500
• [DS][1/n] Create SchedulingConditionEvaluationContext #21499
• master

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[schrockn]

Whoops meant to req changes.

[schrockn]

Ok cool. Please add at least one test case to ensure the object successful constructs before merge.

[schrockn]

excellent

[OwenKephart]

Merge activity

• May 14, 10:38 AM EDT: @OwenKephart started a stack merge that includes this pull request via Graphite.
• May 14, 10:57 AM EDT: Graphite rebased this pull request as part of a merge.
• May 14, 10:58 AM EDT: @OwenKephart merged this pull request with Graphite.