/*
 * 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;

/** Statistics, as returned by {@link Env#stat()} and {@link Dbi#stat(org.lmdbjava.Txn)}. */
public final class Stat {

  /** Number of internal (non-leaf) pages. */
  public final long branchPages;

  /** Depth (height) of the B-tree. */
  public final int depth;

  /** Number of data items. */
  public final long entries;

  /** Number of leaf pages. */
  public final long leafPages;

  /** Number of overflow pages. */
  public final long overflowPages;

  /** Size of a database page. This is currently the same for all databases. */
  public final int pageSize;

  Stat(
      final int pageSize,
      final int depth,
      final long branchPages,
      final long leafPages,
      final long overflowPages,
      final long entries) {
    this.pageSize = pageSize;
    this.depth = depth;
    this.branchPages = branchPages;
    this.leafPages = leafPages;
    this.overflowPages = overflowPages;
    this.entries = entries;
  }

  @Override
  public String toString() {
    return "Stat{"
        + "branchPages="
        + branchPages
        + ", depth="
        + depth
        + ", entries="
        + entries
        + ", leafPages="
        + leafPages
        + ", overflowPages="
        + overflowPages
        + ", pageSize="
        + pageSize
        + '}';
  }
}