org.ehrbase.cache.CacheProviderImp Maven / Gradle / Ivy
/*
* Copyright (c) 2024 vitasystems GmbH.
*
* This file is part of project EHRbase
*
* 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
*
* https://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.ehrbase.cache;
import java.util.Optional;
import java.util.concurrent.Callable;
import java.util.function.Supplier;
import org.ehrbase.api.exception.InternalServerException;
import org.springframework.cache.CacheManager;
import org.springframework.stereotype.Component;
@Component
public class CacheProviderImp implements CacheProvider {
private final CacheManager cacheManager;
public CacheProviderImp(CacheManager cacheManager) {
this.cacheManager = cacheManager;
}
@Override
public V get(EhrBaseCache cache, K key, Callable valueLoader) {
return Optional.ofNullable(cacheManager.getCache(cache.name()))
.orElseThrow(getExceptionSupplier(cache))
.get(key, valueLoader);
}
private static Supplier getExceptionSupplier(EhrBaseCache cache) {
return () -> new InternalServerException("Non existing cache : %s".formatted(cache.name()));
}
@Override
public void evict(EhrBaseCache cache, K key) {
Optional.ofNullable(cacheManager.getCache(cache.name()))
.orElseThrow(getExceptionSupplier(cache))
.evict(key);
}
}