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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.model.api;
import com.yahoo.config.provision.Version;
/**
* Factory for config models.
*/
public interface ModelFactory {
/**
* Returns the Vespa version of the models this builds.
*
* @return the version of a {@link Model} instance that this factory can create.
*/
Version getVersion();
/**
* Creates an instance of a {@link Model}. The resulting instance will be used to serve config. No model
* validation will be done, calling this method assumes that {@link #createAndValidateModel} has already
* been called at some point for this model.
*
* @param modelContext an instance of {@link ModelContext}, containing dependencies for creating a {@link Model}.
* @return a {@link Model} instance.
*/
Model createModel(ModelContext modelContext);
/**
* Creates an instance of a {@link Model}. The resulting instance will be used to serve config. Any validation
* of a {@link Model} and the {@link ModelContext} can be done in this method.
*
* @param modelContext an instance of {@link ModelContext}, containing dependencies for creating a {@link Model}
* @param ignoreValidationErrors true if validation errors should not trigger exceptions
* @return a {@link ModelCreateResult} instance.
*/
ModelCreateResult createAndValidateModel(ModelContext modelContext, boolean ignoreValidationErrors);
}
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