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 * JBoss, Home of Professional Open Source
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 * full listing of individual contributors.
 * Licensed under the Apache License, Version 2.0 (the "License");
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package javax.validation.spi;
Contract between the validation bootstrap mechanism and the provider engine.

Implementations must have a public no-arg constructor. The construction of a provider should be as "lightweight" as possible. T represents the provider specific Configuration subclass which typically host provider's additional configuration methods.

Emmanuel Bernard
Hardy Ferentschik
public interface ValidationProvider<T extends Configuration<T>> {

Returns a Configuration instance implementing T, the Configuration sub-interface. The returned Configuration instance must use the current provider (this) to build the ValidatorFactory instance.

state bootstrap state
specific Configuration implementation
Returns a Configuration instance. This instance is not bound to use the current provider. The choice of provider follows the algorithm described in javax.validation.Configuration

The ValidationProviderResolver used by Configuration is provided by state. If null, the default ValidationProviderResolver is used.

state bootstrap state
Non specialized Configuration implementation
Build a ValidatorFactory using the current provider implementation. The ValidatorFactory is assembled and follows the configuration passed via ConfigurationState.

The returned ValidatorFactory is properly initialized and ready for use.

configurationState the configuration descriptor
the instantiated ValidatorFactory
javax.validation.ValidationException if the ValidatorFactory cannot be built
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