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Constains all classes necessary for launching a MxCache-instrumentated application

There is a newer version: 2.6.9

/*
 * Copyright (c) 2008-2014 Maxifier Ltd. All Rights Reserved.
 */
package com.maxifier.mxcache.storage;

import gnu.trove.strategy.HashingStrategy;

import java.io.Serializable;

/**
 * @author Alexander Kochurov ([email protected])
 */
public interface Storage {
    HashingStrategy DEFAULT_HASHING_STRATEGY = new HashingStrategy() {
        @Override
        public int computeHashCode(Object object) {
            return object == null ? 0 : object.hashCode();
        }

        @Override
        public boolean equals(Object o1, Object o2) {
            return o1 == null ? o2 == null : o1.equals(o2);
        }
    };

    /** This object is returned by reference-value storages if no value is set for given key */
    Object UNDEFINED = new Serializable() {
        private static final long serialVersionUID = 0x1000L;

        @Override
        public String toString() {
            return "";
        }

        @Override
        public int hashCode() {
            // large prime number
            return 0x13D4FD;
        }

        private Object readResolve() {
            return UNDEFINED;
        }
    };

    void clear();

    int size();
}