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  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2009-2011, Red Hat, Inc. and/or its affiliates, and individual contributors
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package javax.validation.metadata;
 
 import java.util.Set;

Describes a constrained Java Bean and the constraints associated to it. All objects returned by the methods of this descriptor (and associated objects including ConstraintDescriptors) are immutable.

Author(s):
Emmanuel Bernard
Gunnar Morling
 
 public interface BeanDescriptor extends ElementDescriptor {
Returns true if the bean involves validation:
  • a constraint is hosted on the bean itself
  • a constraint is hosted on one of the bean properties
  • a bean property is marked for cascaded validation (@Valid)
  • a constraint is hosted on the return value or a method parameter of one of the bean's methods
  • or the return value or a method parameter of one of the bean's methods is marked for cascaded validation (@Valid)

Returns:
true if the bean involves validation, false otherwise.
 
 	boolean isBeanConstrained();

Return the property descriptor for a given property. Return null if the property does not exist or has no constraint nor is marked as cascaded (see getConstrainedProperties() ) Properties of super types are considered.

Parameters:
propertyName property evaluated
Returns:
the property descriptor for a given property.
Throws:
java.lang.IllegalArgumentException if propertyName is null
 
Returns a set of property descriptors having at least one constraint defined or marked as cascaded (@Valid). If not property matches, an empty set is returned. Properties of super types are considered.

Returns:
Returns the set of PropertyDescriptors for the constraint properties. If there are no constraint properties the empty set is returned
 
Returns a method descriptor for the given method. Returns null if no method with the given name and parameter types exists or the specified method neither has parameter or return value constraints nor a parameter or return value marked for cascaded validation. Methods of super types are considered.

Parameters:
methodName The name of the method.
parameterTypes The parameter types of the method.
Returns:
A method descriptor for the given method.
Throws:
java.lang.IllegalArgumentException if methodName is null
Since:
1.1
 
 	MethodDescriptor getConstraintsForMethod(String methodNameClass<?>... parameterTypes);

Returns a set with descriptors for the constrained methods of the type represented by this descriptor. Constrained are all those methods which have at least one parameter or return value constraint or at least one parameter or return value marked for cascaded validation. Methods of super types are considered.

Returns:
A set with descriptors for the constrained methods of this type. Will be empty if this type has no constrained methods but never null.
Since:
1.1
 
Returns a constructor descriptor for the given constructor. Returns null if no constructor with the given parameter types exists or the specified constructor neither has parameter or return value constraints nor a parameter or return value marked for cascaded validation. Constructor of super types are considered.

Parameters:
parameterTypes The parameter types of the constructor.
Returns:
A constructor descriptor for the given constructor.
Since:
1.1
Returns a set with descriptors for the constrained constructors of the type represented by this descriptor. Constrained are all those constructors which have at least one parameter or return value constraint or at least one parameter or return value marked for cascaded validation.

Returns:
A set with descriptors for the constrained constructor of this type. Will be empty if this type has no constrained constructor but never null.
Since:
1.1
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