org.graylog2.security.MongoDbAuthorizationCacheManager Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.security;
import com.codahale.metrics.MetricRegistry;
import com.google.common.cache.CacheBuilder;
import com.google.common.primitives.Ints;
import com.google.inject.Singleton;
import org.apache.shiro.cache.Cache;
import org.apache.shiro.cache.CacheException;
import org.apache.shiro.cache.CacheManager;
import org.graylog2.metrics.CacheStatsSet;
import org.graylog2.shared.metrics.MetricUtils;
import javax.inject.Inject;
import java.util.Collection;
import java.util.Set;
import java.util.concurrent.TimeUnit;
@Singleton
public class MongoDbAuthorizationCacheManager implements CacheManager {
private final MetricRegistry registry;
@Inject
public MongoDbAuthorizationCacheManager(MetricRegistry registry) {
this.registry = registry;
}
@Override
public Cache getCache(String name) throws CacheException {
return new GuavaCacheWrapper<>(registry);
}
private static class GuavaCacheWrapper implements Cache {
private com.google.common.cache.Cache cache;
public GuavaCacheWrapper(MetricRegistry registry) {
cache = CacheBuilder.newBuilder()
.expireAfterWrite(1, TimeUnit.SECONDS)
.maximumSize(1000)
.concurrencyLevel(8)
.recordStats()
.build();
MetricUtils.safelyRegisterAll(registry, new CacheStatsSet(MetricRegistry.name(MongoDbAuthorizationCacheManager.class, "cache"), cache));
}
@Override
public V get(K key) throws CacheException {
return cache.getIfPresent(key);
}
@Override
public V put(K key, V value) throws CacheException {
final V old = cache.getIfPresent(key);
cache.put(key, value);
return old;
}
@Override
public V remove(K key) throws CacheException {
final V old = cache.getIfPresent(key);
cache.invalidate(key);
return old;
}
@Override
public void clear() throws CacheException {
cache.invalidateAll();
}
@Override
public int size() {
return Ints.saturatedCast(cache.size());
}
@Override
public Set keys() {
return cache.asMap().keySet();
}
@Override
public Collection values() {
return cache.asMap().values();
}
}
}