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Lock-free document store—optimized for high rate atomic state changes—that concurrently commits and compacts on-disk log-structured storage files without blocking parallel in-memory updates to associative B-tree maps, spatial Q-tree maps, sequential S-tree lists, and singleton U-tree values

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// Copyright 2015-2020 SWIM.AI inc.
//
// 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 swim.db;

import swim.concurrent.Cont;
import swim.concurrent.Sync;

public abstract class Zone {

  public abstract int id();

  public abstract Germ germ();

  public abstract StoreSettings settings();

  public abstract long size();

  public abstract void openAsync(Cont future);

  public abstract Zone open() throws InterruptedException;

  public abstract void close() throws InterruptedException;

  public abstract void openDatabaseAsync(Cont future);

  public Database openDatabase() throws InterruptedException {
    final Sync syncDatabase = new Sync();
    openDatabaseAsync(syncDatabase);
    return syncDatabase.await(settings().databaseOpenTimeout);
  }

  public abstract Chunk commitAndWriteChunk(Commit commit);

}