EAPreventChangingFields

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Overview

Enforces field-level data integrity by preventing unauthorized changes to specified header and detail fields, with optional line addition/deletion protection and conditional SQL logic support.

When This Action Runs

Data integrity validation during entity save/commit operations for previously committed entities requiring field-level change protection.

How It Works

1. Validates entity state (only applies to previously committed entities)
2. Processes field configuration from comma/line-separated field ID lists
3. Compares header fields between old and new entity data
4. Validates detail collections for line additions, deletions, and field changes
5. Applies conditional SQL logic for complex business rules when configured

Parameters

Parameter 1: Field IDs (Required)

• Comma/line-separated field IDs to protect
• Examples: code,name1 or details.n1

Parameter 2: Prevent Adding New Lines (Optional)

• Boolean value: true or false
• Prevents adding new detail lines (default: false)

Parameter 3: Prevent Deleting Lines (Optional)

• Boolean value: true or false
• Prevents deleting detail lines (default: false)

Parameter 4: Change Validation Query (Optional)

• SQL query returning 1 (enable validation) or 0 (disable validation)
• Conditionally enables field change validation for current line
• Example: select case when {line.item.item.code} = 'ABC' or {oldLine.item.item.code} = 'ABC' then 1 else 0 end
• Available variables: {line.*} for new values, {oldLine.*} for previous values

Parameter 5: Added Lines Validation Query (Optional)

• SQL query returning 1 (enable validation) or 0 (disable validation)
• Conditionally validates newly added lines
• Example: select case when {currentLine.n1} > 0 then 1 else 0 end
• Use {currentLine.*} to access the added line fields

Parameter 6: Deleted Lines Validation Query (Optional)

• SQL query returning 1 (enable validation) or 0 (disable validation)
• Conditionally validates deleted lines
• Important: Use {currentLine.*} to access deleted line data, NOT the detail field name
• Example: select case when {currentLine.n1} > 0 then 1 else 0 end
• Access deleted line fields via {currentLine.*} pattern

Module: core

Full Class Name: com.namasoft.infor.domainbase.util.actions.EAPreventChangingFields