/*
 * 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.fluo.core.oracle;

import com.google.common.base.Preconditions;
import org.apache.fluo.accumulo.util.ColumnConstants;

public class Stamp {
  private final long txStamp;
  private final long gcStamp;

  Stamp(long stamp, long gcStamp) {
    long b = stamp & ColumnConstants.PREFIX_MASK;
    Preconditions.checkArgument(b == 0, "timestamp prefix should be zero");
    long c = gcStamp & ColumnConstants.PREFIX_MASK;
    Preconditions.checkArgument(c == 0, "timestamp prefix should be zero");
    this.txStamp = stamp;
    this.gcStamp = gcStamp;
  }

  public long getTxTimestamp() {
    return txStamp;
  }

  public long getGcTimestamp() {
    return gcStamp;
  }
}
