org.hibernate.validator.internal.metadata.raw.ConfigurationSource Maven / Gradle / Ivy
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* Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.validator.internal.metadata.raw;
/**
* The source of constraint meta data.
*
* @author Gunnar Morling
*/
public enum ConfigurationSource {
/**
* The source of configuration are annotation in the source code
*/
ANNOTATION( 0 ),
/**
* The source of configuration is XML configuration
*/
XML( 1 ),
/**
* The source of configuration is the programmatic API
*/
API( 2 );
private int priority;
private ConfigurationSource(int priority) {
this.priority = priority;
}
/**
* Returns this sources priority. Can be used to determine which
* configuration shall apply in case of conflicting configurations by
* several providers.
*
* @return This source's priority.
*/
public int getPriority() {
return priority;
}
/**
* Returns that configuration source from the given two sources, which has
* the higher priority.
*
* @param a
* A configuration source.
* @param b
* Another configuration source.
*
* @return The source with the higher priority. Will be source {@code a} if
* both have the same priority.
*/
public static ConfigurationSource max(ConfigurationSource a, ConfigurationSource b) {
return a.getPriority() >= b.getPriority() ? a : b;
}
}