Package in.co.akshitbansal.springwebquery.validator

Class FieldMappingsValidator

java.lang.Object

in.co.akshitbansal.springwebquery.validator.FieldMappingsValidator

All Implemented Interfaces:

Validator<List<FieldMapping>>

public class FieldMappingsValidator
extends Object
implements Validator<List<FieldMapping>>

Validator for FieldMapping declarations supplied via WebQuery.

This validator ensures that aliases are unique and that no two aliases map to the same underlying entity field.

Constructor Summary

Constructors

Constructor	Description
FieldMappingsValidator()

Method Summary

Modifier and Type	Method	Description
void	validate(List<FieldMapping> fieldMappings)	Validates FieldMapping definitions declared in WebQuery.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FieldMappingsValidator

public FieldMappingsValidator()

Method Details

validate

public void validate(List<FieldMapping> fieldMappings)

Validates FieldMapping definitions declared in WebQuery.

Validation rules:

• Alias names must be unique (FieldMapping.name()).
• Target entity fields must be unique (FieldMapping.field()).

Specified by:

validate in interface Validator<List<FieldMapping>>

Parameters:

fieldMappings - field mappings to validate

Throws:

QueryConfigurationException - if duplicate aliases or duplicate target fields are found