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/*
 * JBoss, Home of Professional Open Source.
 * 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
 * limitations under the License.
 */

package org.wildfly.security.auth.server.event;

import org.wildfly.security.auth.server.RealmIdentity;
import org.wildfly.security.credential.Credential;
import org.wildfly.security.evidence.Evidence;

/**
 * An authentication event with a definite outcome.
 *
 * @author David M. Lloyd
 */
public abstract class RealmDefiniteOutcomeAuthenticationEvent extends RealmAuthenticationEvent {
    private final Credential credential;
    private final Evidence evidence;

    /**
     * Construct a new instance.
     *
     * @param realmIdentity the authenticated realm identity
     * @param credential the actual credential value from the authentication (may be {@code null} if not known)
     * @param evidence the evidence used to authenticate (may be {@code null} if not known or not applicable)
     */
    RealmDefiniteOutcomeAuthenticationEvent(final RealmIdentity realmIdentity, final Credential credential, final Evidence evidence) {
        super(realmIdentity);
        this.credential = credential;
        this.evidence = evidence;
    }

    /**
     * Get the actual credential used.
     *
     * @return the actual credential used, or {@code null} if it is not known or none was used
     */
    public Credential getCredential() {
        return credential;
    }

    /**
     * Get the actual credential guess used.
     *
     * @return the actual credential guess used, or {@code null} if there was no guess, it is not known, or no credential was used
     */
    public Evidence getEvidence() {
        return evidence;
    }

    public  R accept(final RealmEventVisitor visitor, final P param) {
        return visitor.handleDefiniteOutcomeAuthenticationEvent(this, param);
    }

    public final boolean isFailure() {
        return ! isSuccess();
    }
}