com.maxifier.mxcache.impl.caches.def.ObjectStorageImpl Maven / Gradle / Ivy

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

import com.maxifier.mxcache.storage.*;

/**
 * ObjectStorageImpl
 *
 * @author Andrey Yakoushin ([email protected])
 * @author Alexander Kochurov ([email protected])
 */
public class ObjectStorageImpl implements ObjectStorage {
    private volatile Object value = UNDEFINED;

    @Override
    public Object load() {
        return value;
    }

    @Override
    public void save(Object v) {
        value = v;
    }

    @Override
    public void clear() {
        value = UNDEFINED;
    }

    @Override
    public int size() {
        return value == UNDEFINED ? 0 : 1;
    }

    @Override
    public String toString() {
        return String.valueOf(value);
    }
}