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• 2.0.1
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• ConstraintValidatorFactory.java

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javax.validation.ConstraintValidatorFactory Maven / Gradle / Ivy

/*
 * Bean Validation API
 *
 * License: Apache License, Version 2.0
 * See the license.txt file in the root directory or .
 */
package javax.validation;

/**
 * Instantiates a {@link ConstraintValidator} instance based off its class.
 * The {@code ConstraintValidatorFactory} is not responsible
 * for calling {@link ConstraintValidator#initialize(java.lang.annotation.Annotation)}.
 *
 * @author Dhanji R. Prasanna
 * @author Emmanuel Bernard
 * @author Hardy Ferentschik
 */
public interface ConstraintValidatorFactory {

	/**
	 * @param key The class of the constraint validator to instantiate
	 * @param  The type of the constraint validator to instantiate
	 *
	 * @return A new constraint validator instance of the specified class
	 */
	> T getInstance(Class key);

	/**
	 * Signals {@code ConstraintValidatorFactory} that the instance is no longer
	 * being used by the Bean Validation provider.
	 *
	 * @param instance validator being released
	 *
	 * @since 1.1
	 */
	void releaseInstance(ConstraintValidator instance);
}