org.apache.blur.store.blockcache_v2.IndexInputCache.java Source code

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Here is the source code for org.apache.blur.store.blockcache_v2.IndexInputCache.java

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/**
 * 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.blur.store.blockcache_v2;

import java.io.Closeable;
import java.io.IOException;

import org.apache.commons.io.IOUtils;

public abstract class IndexInputCache implements Closeable {

    protected final long _fileLength;
    protected final int _cacheBlockSize;
    protected final MeterWrapper _hits;

    protected IndexInputCache(long fileLength, int cacheBlockSize, MeterWrapper hits) {
        _fileLength = fileLength;
        _cacheBlockSize = cacheBlockSize;
        _hits = hits;
    }

    public abstract void put(long blockId, CacheValue cacheValue);

    public abstract CacheValue get(long blockId);

    protected void hit() {
        _hits.mark();
    }

    @Override
    public void close() throws IOException {
        IOUtils.closeQuietly(_hits);
    }

}