Package io.jmix.dynmodel.impl

Class DynamicCalculatedAttributeSupport

java.lang.Object

io.jmix.dynmodel.impl.DynamicCalculatedAttributeSupport

@Component("dynmod_DynamicCalculatedAttributeSupport")
public class DynamicCalculatedAttributeSupport
extends Object

Runtime service for calculated dynamic attribute access and write protection.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static final record	DynamicCalculatedAttributeSupport.EvaluationKey

Field Summary

Fields

Modifier and Type	Field	Description
protected DynamicModelTools	dynamicModelTools
protected DynModelProperties	dynModelProperties
protected final ThreadLocal<Deque<DynamicCalculatedAttributeSupport.EvaluationKey>>	evaluationStack
protected DynamicCalculatedAttributeEvaluatorRegistry	evaluatorRegistry
protected Metadata	metadata

Constructor Summary

Constructors

Constructor	Description
DynamicCalculatedAttributeSupport()

Method Summary

Modifier and Type	Method	Description
@Nullable Object	getValue(Object entity, String propertyName)	Evaluates a calculated dynamic attribute on the supplied entity.
void	rejectWrite(MetaProperty property)	Throws an access exception for attempts to write a calculated dynamic attribute.

Methods inherited from class java.lang.Object

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

Field Details

metadata

@Autowired
protected Metadata metadata

dynModelProperties

@Autowired
protected DynModelProperties dynModelProperties

dynamicModelTools

@Autowired
protected DynamicModelTools dynamicModelTools

evaluatorRegistry

@Autowired
protected DynamicCalculatedAttributeEvaluatorRegistry evaluatorRegistry

evaluationStack

protected final ThreadLocal<Deque<DynamicCalculatedAttributeSupport.EvaluationKey>> evaluationStack

Constructor Details

DynamicCalculatedAttributeSupport

public DynamicCalculatedAttributeSupport()

Method Details

getValue

public @Nullable Object getValue(Object entity,
 String propertyName)

Evaluates a calculated dynamic attribute on the supplied entity.

Parameters:

entity - entity instance

propertyName - calculated property name

Returns:

calculated value, or null when evaluation fails or the property is not calculated

rejectWrite

public void rejectWrite(MetaProperty property)

Throws an access exception for attempts to write a calculated dynamic attribute.

Parameters:

property - calculated metadata property