/*
 * Copyright © 2016-2025 The LmdbJava Open Source Project
 *
 * Licensed 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.lmdbjava;

/** Environment information, as returned by {@link Env#info()}. */
public final class EnvInfo {

  /** ID of the last used page. */
  public final long lastPageNumber;

  /** ID of the last committed transaction. */
  public final long lastTransactionId;

  /** Address of map, if fixed. */
  public final long mapAddress;

  /** Size of the data memory map. */
  public final long mapSize;

  /** Max reader slots in the environment. */
  public final int maxReaders;

  /** Max reader slots used in the environment. */
  public final int numReaders;

  EnvInfo(
      final long mapAddress,
      final long mapSize,
      final long lastPageNumber,
      final long lastTransactionId,
      final int maxReaders,
      final int numReaders) {
    this.mapAddress = mapAddress;
    this.mapSize = mapSize;
    this.lastPageNumber = lastPageNumber;
    this.lastTransactionId = lastTransactionId;
    this.maxReaders = maxReaders;
    this.numReaders = numReaders;
  }

  @Override
  public String toString() {
    return "EnvInfo{"
        + "lastPageNumber="
        + lastPageNumber
        + ", lastTransactionId="
        + lastTransactionId
        + ", mapAddress="
        + mapAddress
        + ", mapSize="
        + mapSize
        + ", maxReaders="
        + maxReaders
        + ", numReaders="
        + numReaders
        + '}';
  }
}