swim.collections.STreeContext Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of swim-collections Show documentation

Immutable, structure sharing collections, including hash array mapped tries, finger tries, B-trees, and S-trees (sequence trees)

There is a newer version: 4.3.15

Show newest version

// Copyright 2015-2019 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.collections;

import java.util.concurrent.ThreadLocalRandom;

public abstract class STreeContext {
  @SuppressWarnings("unchecked")
  protected Object identify(T value) {
    final byte[] bytes = new byte[6];
    ThreadLocalRandom.current().nextBytes(bytes);
    return bytes;
  }

  @SuppressWarnings("unchecked")
  protected int compare(Object x, Object y) {
    return ((Comparable