Parallel
Use acts.core.parallel to execute a collection in parallel — all child activities start simultaneously without depending on each other.
name: test
steps:
- id: step1
vars:
- name: items
value:
- u1
- u2
- u3
uses: acts.core.parallel
params:
in: '${{ items }}'
acts:
# Generates 3 IRQ activities, all executing in parallel
- uses: acts.core.irq
params:
key: act1
Comparison
| Type | Package | Description |
|---|---|---|
| Parallel | acts.core.parallel | All child activities execute simultaneously |
| Sequential | acts.core.sequence | Child activities execute one by one, each waiting for the previous |
| Block | acts.core.block | Execute nested acts in sequence or parallel mode |
Variable Injection
The engine automatically injects index and value into each child activity’s variable context, accessible via ${{ index }} and ${{ value }}.
Dynamic Collection with Code
Combine with acts.transform.code to dynamically generate collections:
steps:
- id: step1
uses: acts.transform.code
params: |
let list = ["u1", "u2", "u3"];
$set("items", list);
- id: step2
uses: acts.core.parallel
params:
in: '${{ items }}'
acts:
- uses: acts.core.irq
params:
key: act2