
io.druid.server.lookup.namespace.cache.CacheHandler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid-lookups-cached-global Show documentation
Show all versions of druid-lookups-cached-global Show documentation
Extension to rename Druid dimension values using namespaces
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you 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 io.druid.server.lookup.namespace.cache;
import io.druid.java.util.common.logger.Logger;
import java.util.concurrent.ConcurrentMap;
public final class CacheHandler implements AutoCloseable
{
private static final Logger log = new Logger(CacheHandler.class);
private final NamespaceExtractionCacheManager cacheManager;
private final ConcurrentMap cache;
final Object id;
CacheHandler(NamespaceExtractionCacheManager cacheManager, ConcurrentMap cache, Object id)
{
log.debug("Creating %s", super.toString());
this.cacheManager = cacheManager;
this.cache = cache;
this.id = id;
}
public ConcurrentMap getCache()
{
return cache;
}
@Override
public void close()
{
cacheManager.disposeCache(this);
// Log statement after disposeCache(), because logging may fail (e. g. in shutdown hooks)
log.debug("Closed %s", super.toString());
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy