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JsonbComponentInstanceCreator.java
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JsonbComponentInstanceCreator.java
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/*******************************************************************************
* Copyright (c) 2016, 2017 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Roman Grigoriadi
******************************************************************************/
package org.eclipse.yasson.spi;
import java.io.Closeable;
/**
* Creates instances of JsonbComponents such as JsonbAdapter.
*
* <p>
* Yasson attempts to load the implementations using {@link java.util.ServiceLoader} first. If there are multiple
* implementations found the service provider with the highest priority is used. If there are no service providers found the
* default implementation is used.
* </p>
*
* @author Roman Grigoriadi
*/
public interface JsonbComponentInstanceCreator extends Closeable {
static final int DEFAULT_PRIORITY = 0;
/**
* Returns instance of JsonbComponent for desired class
*
* @param <T> Jsonb component type
* @param componentClass component class
* @return component instance
*/
<T> T getOrCreateComponent(Class<T> componentClass);
/**
*
* @return the priority of the component
*/
default int getPriority() {
return DEFAULT_PRIORITY;
}
}