/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.ignite.cache.eviction.igfs;
import javax.cache.Cache;
import org.apache.ignite.cache.eviction.EvictionFilter;
import org.apache.ignite.internal.processors.igfs.IgfsBlockKey;
/**
* IGFS eviction filter which will not evict blocks of particular files.
*/
public class IgfsEvictionFilter implements EvictionFilter {
/** */
private static final long serialVersionUID = 0L;
/** {@inheritDoc} */
@Override public boolean evictAllowed(Cache.Entry entry) {
Object key = entry.getKey();
return !(key instanceof IgfsBlockKey && ((IgfsBlockKey)key).evictExclude());
}
}