/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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 org.elasticsearch.ingest.geoip;
import com.fasterxml.jackson.databind.JsonNode;
import com.maxmind.db.NodeCache;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.cache.Cache;
import org.elasticsearch.common.cache.CacheBuilder;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
final class GeoIpCache implements NodeCache {
private final Cache<Integer, JsonNode> cache;
GeoIpCache(long maxSize) {
this.cache = CacheBuilder.<Integer, JsonNode>builder().setMaximumWeight(maxSize).build();
}
@Override
public JsonNode get(int key, Loader loader) throws IOException {
try {
return cache.computeIfAbsent(key, loader::load);
} catch (ExecutionException e) {
Throwable cause = e.getCause() != null ? e.getCause() : e;
throw new ElasticsearchException(cause);
}
}
}