com.gemstone.gnu.trove.TDoubleHashingStrategy Maven / Gradle / Ivy
///////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2002, Eric D. Friedman All Rights Reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
///////////////////////////////////////////////////////////////////////////////
package com.gemstone.gnu.trove;
import java.io.Serializable;
/**
* Interface to support pluggable hashing strategies in maps and sets.
* Implementors can use this interface to make the trove hashing
* algorithms use an optimal strategy when computing hashcodes.
*
* Created: Sun Nov 4 08:56:06 2001
*
* @author Eric D. Friedman
* @version $Id: TDoubleHashingStrategy.java,v 1.3 2002/09/22 21:53:40 ericdf Exp $
*/
public interface TDoubleHashingStrategy extends Serializable {
/**
* Computes a hash code for the specified double. Implementors
* can use the double's own value or a custom scheme designed to
* minimize collisions for a known set of input.
*
* @param val double for which the hashcode is to be computed
* @return the hashCode
*/
public int computeHashCode(double val);
} // TDoubleHashingStrategy