Memcached Java Client with sample program--reference

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In my prevIoUs post,I listed down most common  with sample execution terminal logs. Today I want to discuss about the Memcached Client program available in Java language.

There are three most widely used memcached client programs in java

1. xmemcached
2. spymemcached
3. gwhalin memcached client

I have used Greg Whalin memcached client and found it easy to understand and use. It provides all the basic functionalities with thread pooling. Its available under BSD license and you can download it from below URL:

Once you have downloaded the @R_616_9016@e code you can create a java project and copy all the java classes and then use it.

To Help you get started quickly,I am providing a sample program to showcase the usage of basic functions that can be performed with memcached server.

<span style="color: #0000ff;">import<span style="color: #000000;"> java.util.HashMap;
<span style="color: #0000ff;">import<span style="color: #000000;"> com.meetup.memcached.MemcachedClient;

<span style="color: #0000ff;">import<span style="color: #000000;"> com.meetup.memcached.sockIOPool;
<span style="color: #0000ff;">public <span style="color: #0000ff;">class<span style="color: #000000;"> MemcachedJavaClient {
</span><span style="color: #008000;"&gt;/**</span><span style="color: #008000;"&gt;
 * MemcachedJavaClient program to show the usage of different functions
 * that can be performed on Memcached server with Java Client
 * </span><span style="color: #808080;"&gt;@p<a href="http://code.js-code.com/tag/ara/" target="_blank" class="keywords">ara</a>m</span><span style="color: #008000;"&gt; args
 </span><span style="color: #008000;"&gt;*/</span>
<span style="color: #0000ff;"&gt;public</span> <span style="color: #0000ff;"&gt;static</span> <span style="color: #0000ff;"&gt;void</span><span style="color: #000000;"&gt; main(String[] args) {
    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;initialize the SockIOPool that maintains the Memcached Server Connection Pool</span>
    String[] servers = {"localhost:11111"<span style="color: #000000;"&gt;};
    SockIOPool pool </span>= SockIOPool.geTinstance("Test1"<span style="color: #000000;"&gt;);
    pool.setServers( servers );
    pool.setFai<a href="http://code.js-code.com/tag/lov/" target="_blank" class="keywords">lov</a>er( </span><span style="color: #0000ff;"&gt;true</span><span style="color: #000000;"&gt; );
    pool.se<a href="http://code.js-code.com/tag/Tini/" target="_blank" class="keywords">Tini</a>tConn( </span>10<span style="color: #000000;"&gt; );
    pool.setMinConn( </span>5<span style="color: #000000;"&gt; );
    pool.setMaxConn( </span>250<span style="color: #000000;"&gt; );
    pool.setMaintSleep( </span>30<span style="color: #000000;"&gt; );
    pool.setNagle( </span><span style="color: #0000ff;"&gt;false</span><span style="color: #000000;"&gt; );
    pool.setSocketTO( </span>3000<span style="color: #000000;"&gt; );
    pool.setAlivecheck( </span><span style="color: #0000ff;"&gt;true</span><span style="color: #000000;"&gt; );
    pool.initialize();
    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;Get the Memcached Client from SockIOPool named Test1</span>
    MemcachedClient mcc = <span style="color: #0000ff;"&gt;new</span> MemcachedClient("Test1"<span style="color: #000000;"&gt;);
    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;add some value in cache</span>
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println("add status:"+mcc.add("1","Original"<span style="color: #000000;"&gt;));
    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;Get value from cache</span>
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println("Get from Cache:"+mcc.get("1"<span style="color: #000000;"&gt;));

    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println(</span>"add status:"+mcc.add("1","Modified"<span style="color: #000000;"&gt;));
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println(</span>"Get from Cache:"+mcc.get("1"<span style="color: #000000;"&gt;));

    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;use set function to add/update value,use replace to update and not add</span>
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println("set status:"+mcc.set("1","Modified"<span style="color: #000000;"&gt;));
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println(</span>"Get from Cache after set:"+mcc.get("1"<span style="color: #000000;"&gt;));

    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;use delete function to delete key from cache</span>
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println("remove status:"+mcc.delete("1"<span style="color: #000000;"&gt;));
    Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println(</span>"Get from Cache after delete:"+mcc.get("1"<span style="color: #000000;"&gt;));

    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;Use getMulti function to retrieve multiple keys values in one function
    </span><span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt; Its Helpful in reducing network calls to 1</span>
    mcc.set("2","2"<span style="color: #000000;"&gt;);
    mcc.set(</span>"3","3"<span style="color: #000000;"&gt;);
    mcc.set(</span>"4","4"<span style="color: #000000;"&gt;);
    mcc.set(</span>"5","5"<span style="color: #000000;"&gt;);
    String [] keys </span>= {"1","2","3","INVALID","5"<span style="color: #000000;"&gt;};
    HashMap</span><String,Object> hm = (HashMap<String,Object><span style="color: #000000;"&gt;) mcc.getMulti(keys);

    </span><span style="color: #0000ff;"&gt;for</span><span style="color: #000000;"&gt;(String key : hm.keySet()){
        Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.out.println(</span>"KEY:"+key+" VALUE:"+<span style="color: #000000;"&gt;hm.get(key));
    }
}
}

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