trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/CleanupFirstGarbageCollectionStrategy.java

/*
 * 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.jackrabbit.oak.segment.file;

import java.io.IOException;

class CleanupFirstGarbageCollectionStrategy extends AbstractGarbageCollectionStrategy {

    @Override
    EstimationStrategy getFullEstimationStrategy() {
        return new FullSizeDeltaEstimationStrategy();
    }

    @Override
    EstimationStrategy getTailEstimationStrategy() {
        return new TailSizeDeltaEstimationStrategy();
    }

    @Override
    CompactionStrategy getFullCompactionStrategy() {
        return new FullCompactionStrategy();
    }

    @Override
    CompactionStrategy getTailCompactionStrategy() {
        return new FallbackCompactionStrategy(new TailCompactionStrategy(), new FullCompactionStrategy());
    }

    @Override
    CleanupStrategy getCleanupStrategy() {
        return new DefaultCleanupStrategy();
    }

    @Override
    void run(Context context, EstimationStrategy estimationStrategy, CompactionStrategy compactionStrategy) throws IOException {
        super.run(context, estimationStrategy, new CleanupFirstCompactionStrategy(context, compactionStrategy));
    }

}