com.alachisoft.ncache.client.internal.caching.Entry Maven / Gradle / Ivy

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package com.alachisoft.ncache.client.internal.caching;

// region Entry

import java.util.Map;

/**
 * @param 
 * @param 
 */
public class Entry implements Map.Entry {
    /**
     *
     */
    K key;
    /**
     *
     */
    V value;

    /**
     * @param key
     * @param value
     */
    protected Entry(K key, V value) {
        this.key = key;
        this.value = value;
    }

    /**
     *
     */
    protected Entry() {
    }

    /**
     * @return
     */
    @Override
    protected Object clone() {
        return new Entry(/*hash,*/key, value/*,
         * (next==null ? null : (Entry) next.clone())*/);
    }

    /**
     * @return
     */
    public K getKey() {
        return key;
    }

    /**
     * @param key
     */
    public void setKey(K key) {
        if (key == null) {
            throw new IllegalArgumentException("Value cannot be null."+System.lineSeparator()+"Parameter name: key");
        }
        this.key = key;
    }

    /**
     * @return
     */
    public V getValue() {
        return value;
    }

    /**
     * @param value
     * @return
     */
    public V setValue(V value) {
        //            if(value == null) {
        //                throw new NullPointerException();
        //            }
        V oldValue = this.value;
        this.value = value;
        return oldValue;
    }

    /**
     * @param o
     * @return
     */
    @Override
    public boolean equals(Object o) {
        if (!(o instanceof Map.Entry)) {
            return false;
        }
        Map.Entry e = (Map.Entry) o;
        return (key == null ? e.getKey() == null : key.equals(e.getKey()))
                && (value == null ? e.getValue() == null : value.equals(e.getValue()));
    }

    /**
     * @return
     */
    @Override
    public String toString() {
        return key.toString() + "=" + (value != null ? value.toString() : "null");
    }
}
///endregion