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A more performant JSON-LD 1.1 Processor & API forked from Titanium JSON-LD.
The newest version!
/*
* Copyright 2020 APICATALOG and HASMAC.
*
* 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
*
* 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.
*
* SPDX-License-Identifier: Apache-2.0
*/
package no.hasmac.jsonld.context.cache;
import java.util.LinkedHashMap;
import java.util.Map;
public final class ConcurrentLruCache implements Cache {
private final Map cache;
public ConcurrentLruCache(final int maxCapacity) {
this.cache = new LinkedHashMap((int)(maxCapacity / 0.75 + 1), 0.75f, true) {
private static final long serialVersionUID = 4822962879473741809L;
@Override
synchronized protected boolean removeEldestEntry(Map.Entry eldest) {
return this.size() > maxCapacity;
}
};
}
@Override
synchronized public boolean containsKey(final K key) {
return cache.containsKey(key);
}
@Override
synchronized public V get(final K key) {
return cache.get(key);
}
@Override
synchronized public void put(final K key, V value) {
cache.put(key, value);
}
synchronized public long size() {
return cache.size();
}
}