org.keycloak.representations.idm.authorization.DecisionStrategy Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other 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.keycloak.representations.idm.authorization;
import java.util.Map;
import java.util.Objects;
import org.keycloak.util.EnumWithStableIndex;
/**
* The decision strategy dictates how the policies associated with a given policy are evaluated and how a final decision
* is obtained.
*
* @author Pedro Igor
*/
public enum DecisionStrategy implements EnumWithStableIndex {
/**
* Defines that at least one policy must evaluate to a positive decision in order to the overall decision be also positive.
*/
AFFIRMATIVE(0),
/**
* Defines that all policies must evaluate to a positive decision in order to the overall decision be also positive.
*/
UNANIMOUS(1),
/**
* Defines that the number of positive decisions must be greater than the number of negative decisions. If the number of positive and negative is the same,
* the final decision will be negative.
*/
CONSENSUS(2);
private final int stableIndex;
private static final Map BY_ID = EnumWithStableIndex.getReverseIndex(values());
private DecisionStrategy(int stableIndex) {
Objects.requireNonNull(stableIndex);
this.stableIndex = stableIndex;
}
@Override
public int getStableIndex() {
return stableIndex;
}
public static DecisionStrategy valueOfInteger(Integer id) {
return id == null ? null : BY_ID.get(id);
}
}