EAPreventRepeatedValuesAtDetail

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Overview

Validates document detail collections to prevent duplicate values in specified fields across detail lines. Uses configurable field combinations to define what constitutes a duplicate and blocks document save when repeated values are found in the specified detail collection.

When This Action Runs

Automatic execution during document save/commit operations to validate that specified fields in detail collections do not contain duplicate value combinations.

How It Works

1. Retrieves detail collection - Gets the specified detail collection from the document using reflection
2. Parses field specifications - Extracts field names from comma or newline separated list
3. Applies query filter (optional) - If a query is provided, evaluates which lines match the criteria using LineIndices
4. Processes each detail line - For each line in the collection:
   • Skips lines that don't match query criteria (if query is specified)
   • Extracts values from specified fields using reflection
   • Creates composite key from field values
   • Checks if key already exists from previous lines
5. Detects duplicates - Tracks which line number first used each unique key combination
6. Reports violations - Creates failure results when duplicate keys are found
7. Shows line numbers - Identifies specific lines containing duplicate field combinations

Parameters

Parameter 1: Details Name (Required) - Name of the detail collection field to validate

Example: details, packingList, paymentLines

Parameter 2: Not To Repeat Field Names (Required) - Field names that should not have duplicate combinations, separated by comma (,) or Enter

Format: Comma-separated or newline-separated field names with collection prefix

Example: details.text1,details.item.item

Parameter 3: Apply Only on Lines Matching Query (Optional) - SQL-like query to filter which lines to validate

Format: Standard Nama ERP query syntax with field references in curly braces

Example: select case when {details.n1} > 0 then 1 else 0 end

Database Tables Affected

• Detail Collections - Validates uniqueness of field combinations within collections (read-only validation)

Module: supplychain

Full Class Name: com.namasoft.modules.supplychain.domain.utils.plugnplay.EAPreventRepeatedValuesAtDetail

Validation Type: Generic Detail Duplicate Prevention

Scope: Any document detail collection with configurable fields