iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/processor/twostage/state/CountState.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.iotdb.db.pipe.processor.twostage.state;

import org.apache.tsfile.utils.ReadWriteIOUtils;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;

public class CountState implements State {

  private long count;

  public CountState() {
    // For reflection
  }

  public CountState(long count) {
    this.count = count;
  }

  public long getCount() {
    return count;
  }

  @Override
  public void serialize(OutputStream outputStream) throws IOException {
    ReadWriteIOUtils.write(count, outputStream);
  }

  @Override
  public void deserialize(ByteBuffer byteBuffer) {
    count = ReadWriteIOUtils.readLong(byteBuffer);
  }
}