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AbstractPolicyEnforcerProvider.java
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AbstractPolicyEnforcerProvider.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.policies.enforcement;
import org.eclipse.ditto.internal.utils.cache.entry.Entry;
import org.eclipse.ditto.policies.model.PolicyId;
import com.github.benmanes.caffeine.cache.AsyncCacheLoader;
import org.apache.pekko.actor.ActorSystem;
import org.apache.pekko.dispatch.MessageDispatcher;
/**
* Abstract base of {@link PolicyEnforcer} implementations.
*/
abstract class AbstractPolicyEnforcerProvider implements PolicyEnforcerProvider {
protected AbstractPolicyEnforcerProvider() {
// no-op
}
protected static AsyncCacheLoader<PolicyId, Entry<PolicyEnforcer>> policyEnforcerCacheLoader(
final ActorSystem actorSystem) {
final PolicyCacheLoader policyCacheLoader = PolicyCacheLoader.getSingletonInstance(actorSystem);
return new PolicyEnforcerCacheLoader(policyCacheLoader);
}
protected static MessageDispatcher enforcementCacheDispatcher(final ActorSystem actorSystem) {
return actorSystem.dispatchers().lookup(PolicyEnforcerCacheLoader.ENFORCEMENT_CACHE_DISPATCHER);
}
}