org.ehcache.clustered.server.KeySegmentMapper Maven / Gradle / Ivy

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/*
 * Copyright Terracotta, 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 org.ehcache.clustered.server;

import com.tc.classloader.CommonComponent;

@CommonComponent
public class KeySegmentMapper {

  private final int segments;

  public KeySegmentMapper(final int segments) {
    this.segments = segments;
  }

  public int getSegmentForKey(long key) {
    return Math.abs((int) (key % segments));
  }

  public int getSegments() {
    return segments;
  }
}