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Activity Dependencies

Learn how to configure dependencies between activities to control execution order

Activity dependencies control the execution order of activities within a phase. Properly configuring dependencies ensures activities execute in the correct sequence.

What are Activity Dependencies?

Activity dependencies define which activities must complete before another activity can start. They ensure:

  • Correct execution order

  • Prerequisites are met

  • Data and artifacts are available

  • Validation occurs in proper sequence

Dependency Types

Sequential Dependencies

One activity must complete before another starts:

phase:
  activities:
    - activity: AutoPipe
      id: AutoPipe
      name: AutoPipe90
      depends-on: []
    - activity: AutoPipe
      id: AutoPipe12
      name: AutoPipe12
      depends-on:
        - AutoPipe

Execution Flow:

Parallel Execution

Activities with no dependencies can run in parallel:

Execution Flow:

Conditional Dependencies

Dependencies that depend on conditions:

Dependency Configuration

Basic Dependency

Simple dependency declaration:

Multiple Dependencies

Activity depends on multiple activities:

An activity can list multiple prerequisite activity IDs under depends-on.

Common Dependency Patterns

Linear Chain

Sequential activities in a chain:

Best Practices

Minimize Dependencies

Only add necessary dependencies:

  • Recommended: Essential prerequisites

  • Avoid: Unnecessary blocking

Clear Dependency Logic

Make dependencies explicit and understandable:

  • Use descriptive activity names

  • Document dependency reasons

  • Avoid implicit dependencies

Optimize for Parallelism

Structure dependencies to enable parallel execution:

  • Identify independent activities

  • Minimize sequential bottlenecks

  • Group related dependencies

Validate Early

Check dependencies during process creation:

  • Validate dependency chains

  • Detect cycles

  • Identify unreachable activities

Troubleshooting

Activity Not Starting

Check:

  • All dependencies completed successfully

  • No blocking conditions

  • Activity is not skipped

  • No errors in dependencies

Unexpected Execution Order

Verify:

  • Dependency configuration

  • Conditional logic

  • Parallel execution settings

  • Activity status

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