org.terracotta.modules.ehcache.async.scatterpolicies.ItemScatterPolicy Maven / Gradle / Ivy

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Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.

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/*
 * All content copyright Terracotta, Inc., unless otherwise indicated. All rights reserved.
 */
package org.terracotta.modules.ehcache.async.scatterpolicies;

import java.io.Serializable;

public interface ItemScatterPolicy {

  /**
   * Returns a bucket index in the range 0 to (count - 1) to which an item should be assigned.
   * 
   * @param count exclusive maximum index
   * @param item the item we are scattering across the buckets
   * @return bucket index to use
   */
  int selectBucket(int count, E item);
}