BlockDescriptor.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.trevni;

import java.io.IOException;

class BlockDescriptor {
  int rowCount;
  int uncompressedSize;
  int compressedSize;

  BlockDescriptor() {}

  BlockDescriptor(int rowCount, int uncompressedSize, int compressedSize) {
    this.rowCount = rowCount;
    this.uncompressedSize = uncompressedSize;
    this.compressedSize = compressedSize;
  }

  public void writeTo(OutputBuffer out) throws IOException {
    out.writeFixed32(rowCount);
    out.writeFixed32(uncompressedSize);
    out.writeFixed32(compressedSize);
  }

  public static BlockDescriptor read(InputBuffer in) throws IOException {
    BlockDescriptor result = new BlockDescriptor();
    result.rowCount = in.readFixed32();
    result.uncompressedSize = in.readFixed32();
    result.compressedSize = in.readFixed32();
    return result;
  }

}