hudi-common/src/main/java/org/apache/hudi/common/table/log/HoodieLogFormatVersion.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.hudi.common.table.log;

/**
 * Implements logic to determine behavior for feature flags for {@link HoodieLogFormat.LogFormatVersion}.
 */
final class HoodieLogFormatVersion extends HoodieLogFormat.LogFormatVersion {

  public static final int DEFAULT_VERSION = 0;

  HoodieLogFormatVersion(int version) {
    super(version);
  }

  @Override
  public boolean hasMagicHeader() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return true;
      default:
        return true;
    }
  }

  @Override
  public boolean hasContent() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return true;
      default:
        return true;
    }
  }

  @Override
  public boolean hasContentLength() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return true;
      default:
        return true;
    }
  }

  @Override
  public boolean hasOrdinal() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return true;
      default:
        return true;
    }
  }

  @Override
  public boolean hasHeader() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return false;
      default:
        return true;
    }
  }

  @Override
  public boolean hasFooter() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return false;
      case 1:
        return true;
      default:
        return false;
    }
  }

  @Override
  public boolean hasLogBlockLength() {
    switch (super.getVersion()) {
      case DEFAULT_VERSION:
        return false;
      case 1:
        return true;
      default:
        return false;
    }
  }
}