GC: ConstraintValidator - javax.validation.ConstraintValidator (.java)

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javax.validation.ConstraintValidator

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 // $Id: ConstraintValidator.java 17620 2009-10-04 19:19:28Z hardy.ferentschik $
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 /*
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 * JBoss, Home of Professional Open Source
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 * Copyright 2009, Red Hat, Inc. and/or its affiliates, and individual contributors
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 * by the @authors tag. See the copyright.txt in the distribution for a
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 * full listing of individual contributors.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package javax.validation;
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import java.lang.annotation.Annotation;

 Defines the logic to validate a given constraint A
 for a given object type T.
 Implementations must comply to the following restriction:
 T must resolve to a non parameterized type
or generic parameters of T must be unbounded
 wildcard types
 Author(s):Emmanuel BernardHardy Ferentschik
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public interface ConstraintValidator<A extends Annotation, T> {
	
 Initialize the validator in preparation for isValid calls.
 The constraint annotation for a given constraint declaration
 is passed.
 
 This method is guaranteed to be called before any use of this instance for
 validation.

 
 Parameters:constraintAnnotation annotation instance for a given constraint declaration
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	void initialize(A constraintAnnotation);

	
 Implement the validation logic.
 The state of value must not be altered.

 This method can be accessed concurrently, thread-safety must be ensured
 by the implementation.

 
 Parameters:value object to validatecontext context in which the constraint is evaluated Returns:false if value does not pass the constraint
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	boolean isValid(T value, ConstraintValidatorContext context);
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}
 