org.wildfly.security.auth.server.event.RealmEvent Maven / Gradle / Ivy
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* Copyright 2015 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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
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*/
package org.wildfly.security.auth.server.event;
/**
* An event which is potentially relevant to a realm.
*
* @author David M. Lloyd
*/
public abstract class RealmEvent {
/**
* Construct a new instance.
*/
protected RealmEvent() {
}
/**
* Accept the given visitor, calling the method which is most applicable to this event type.
*
* @param visitor the visitor
* @param param the parameter to pass to the visitor {@code handleXxx} method
* @param the visitor parameter type
* @param the visitor return type
* @return the value returned from the visitor {@code handleXxx} method
*/
public R accept(RealmEventVisitor visitor, P param) {
return visitor.handleUnknownEvent(this, param);
}
}