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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.jackrabbit.oak.segment.data;

import org.apache.jackrabbit.oak.segment.spi.persistence.Buffer;

class SegmentDataV13 extends SegmentDataV12 {

    private static final int FULL_GENERATION_OFFSET = 4;

    SegmentDataV13(Buffer buffer) {
        super(buffer);
    }

    @Override
    public int getFullGeneration() {
        return buffer.getInt(FULL_GENERATION_OFFSET) & 0x7fffffff;
    }

    @Override
    public boolean isCompacted() {
        return buffer.getInt(FULL_GENERATION_OFFSET) < 0;
    }

}