IFeatureConstraint (ecp-parent 1.27.0-SNAPSHOT API)

All Known Subinterfaces:

PreSetValidationService

All Known Implementing Classes:

PreSetValidationServiceImpl
```
public interface IFeatureConstraint
```
Interface that checks whether a given value complies with constraints defined by a given feature.

Since:

1.13

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String E_ROOT_OBJECT
Context map key to retrieve the the root EObject (may be null).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`org.eclipse.emf.common.util.Diagnostic`	`validate(org.eclipse.emf.ecore.EStructuralFeature eStructuralFeature, java.lang.Object value, java.util.Map<java.lang.Object,java.lang.Object> context)`	Validate a given value against constraints defined by the `EDataType` of the `EStructuralFeature`.

- Field Detail
  - E_ROOT_OBJECT
```
static final java.lang.String E_ROOT_OBJECT
```
    Context map key to retrieve the the root EObject (may be null).
    
    See Also:
    
    Constant Field Values
- Method Detail
  - validate
```
org.eclipse.emf.common.util.Diagnostic validate(org.eclipse.emf.ecore.EStructuralFeature eStructuralFeature,
                                                java.lang.Object value,
                                                java.util.Map<java.lang.Object,java.lang.Object> context)
```
    Validate a given value against constraints defined by the EDataType of the EStructuralFeature.
    
    Parameters:
    
    eStructuralFeature - the feature that defines any constraints
    
    value - the value to be validated
    
    context - the validation context, may be null
    
    Returns:
    
    a Diagnostic describing any potential errors