Examples of net.spy.memcached.MemcachedClient

net.spy.memcached.MemcachedClient
e a value (async) for one hour c.set("someKey", 3600, someObject); // Retrieve a value. Object myObject=c.get("someKey");
Advanced Usage

MemcachedClient may be processing a great deal of asynchronous messages or possibly dealing with an unreachable memcached, which may delay processing. If a memcached is disabled, for example, MemcachedConnection will continue to attempt to reconnect and replay pending operations until it comes back up. To prevent this from causing your application to hang, you can use one of the asynchronous mechanisms to time out a request and cancel the operation to the server.
```
 // Get a memcached client connected to several servers MemcachedClient c=new MemcachedClient( AddrUtil.getAddresses("server1:11211 server2:11211")); // Try to get a value, for up to 5 seconds, and cancel if it doesn't return Object myObj=null; Future<Object> f=c.asyncGet("someKey"); try { myObj=f.get(5, TimeUnit.SECONDS); } catch(TimeoutException e) { // Since we don't need this, go ahead and cancel the operation.  This // is not strictly necessary, but it'll save some work on the server. f.cancel(); // Do other timeout related stuff } 
```

    }


    @Test
    public void testQuit() throws IOException {
        final HazelcastInstance instance = Hazelcast.newHazelcastInstance(config);
        MemcachedClient client = getMemcacheClient(instance);
        client.shutdown();
    }

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    }


    @Test
    public void testMemcacheTTL() throws IOException, ExecutionException, InterruptedException {
        final HazelcastInstance instance = Hazelcast.newHazelcastInstance(config);
        final MemcachedClient client = getMemcacheClient(instance);
        try {
            client.set(String.valueOf(0), 5, 10).get();
            assertTrueEventually(new AssertTask() {
                @Override
                public void run() throws Exception {
                    assertEquals(null, client.get(String.valueOf(0)));
                }
            });
        } finally {
            client.shutdown();
        }
    }

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            HttpServletResponse response) {


        AttributesManagement attrManagement = null;
        try {
            String memcachedCode = request.getParameter("key");
            MemcachedClient c =
                    new MemcachedClient(new InetSocketAddress(SPUtil.getInstance().getMemcachedHostname(), SPUtil.getInstance()
                            .getMemcachedPort()));


            String attrList = null;
            if (!StringUtils.isEmpty((String) request.getAttribute("storkTestAttrList"))) {
                attrList = (String) request.getAttribute("storkTestAttrList");
            } else {
                attrList = (String) c.get(memcachedCode);
            }


            if (StringUtils.isEmpty(attrList)) {
                return mapping.findForward("stork-error-authentication-failed");
            }

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            HttpServletResponse response) throws Exception {


        AttributesManagement attrManagement = null;
        try {
            String memcachedCode = request.getParameter("key");
            MemcachedClient c =
                    new MemcachedClient(new InetSocketAddress(SPUtil.getInstance().getMemcachedHostname(), SPUtil.getInstance()
                            .getMemcachedPort()));
            String attrList = (String) c.get(memcachedCode);


            if (StringUtils.isEmpty(attrList)) {
                return mapping.findForward("stork-error-authentication-failed");
            }

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    public ActionForward bindLinkSubmitedIndividualCandidacyWithStork(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response) throws FenixServiceException {
        AttributesManagement attrManagement = null;
        try {
            String memcachedCode = request.getParameter("key");
            MemcachedClient c =
                    new MemcachedClient(new InetSocketAddress(SPUtil.getInstance().getMemcachedHostname(), SPUtil.getInstance()
                            .getMemcachedPort()));
            String attrList = (String) c.get(memcachedCode);


            if (StringUtils.isEmpty(attrList)) {
                return mapping.findForward("stork-error-authentication-failed");
            }

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            ConnectionFactory cf = new ConnectionFactoryBuilder()
                                        .setProtocol(ConnectionFactoryBuilder.Protocol.BINARY)
                                        .setAuthDescriptor(ad)
                                        .build();
            
            client = new MemcachedClient(cf, addrs);
        } else {
            client = new MemcachedClient(addrs);
        }
    }

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                return createCouchbaseClient(memcachedNodesManager, memcachedProtocol, username, password, operationTimeout, maxReconnectDelay,
                        statistics);
            }
            final ConnectionFactory connectionFactory = createConnectionFactory(memcachedNodesManager, connectionType, memcachedProtocol,
                    username, password, operationTimeout, maxReconnectDelay, statistics);
            return new MemcachedClient(connectionFactory, memcachedNodesManager.getAllMemcachedAddresses());
        } catch (final Exception e) {
            throw new RuntimeException("Could not create memcached client", e);
        }
    }

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    private MemcachedClient createMemcachedClient( final String memcachedNodes, final InetSocketAddress address ) throws IOException, InterruptedException {
        final MemcachedNodesManager nodesManager = MemcachedNodesManager.createFor(memcachedNodes, null, null, _memcachedClientCallback);
        final ConnectionFactory cf = nodesManager.isEncodeNodeIdInSessionId()
            ? new SuffixLocatorConnectionFactory( nodesManager, nodesManager.getSessionIdFormat(), Statistics.create(), 1000, 1000 )
            : new DefaultConnectionFactory();
        final MemcachedClient result = new MemcachedClient( cf, Arrays.asList( address ) );


        // Wait a little bit, so that the memcached client can connect and is ready when test starts
        Thread.sleep( 100 );


        return result;

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    private MemcachedNodesManager reloadMemcachedConfig( final String memcachedNodes, final String failoverNodes ) {


        /* first create all dependent services
         */
        final MemcachedNodesManager memcachedNodesManager = createMemcachedNodesManager( memcachedNodes, failoverNodes );
        final MemcachedClient memcachedClient = createMemcachedClient( memcachedNodesManager, _statistics );
        final BackupSessionService backupSessionService = new BackupSessionService( _transcoderService, _sessionBackupAsync,
                _sessionBackupTimeout, _backupThreadCount, memcachedClient, memcachedNodesManager, _statistics );


        /* then assign new services
         */

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            throw e;
        }


        final MemcachedNodesManager nodesManager = MemcachedNodesManager.createFor(MEMCACHED_NODES, null, null, _memcachedClientCallback);
        _client =
                new MemcachedClient( new SuffixLocatorConnectionFactory( nodesManager, nodesManager.getSessionIdFormat(), Statistics.create(), 1000, 1000 ),
                        Arrays.asList( address1, address2 ) );


        final SchemeRegistry schemeRegistry = new SchemeRegistry();
        schemeRegistry.register(
                new Scheme("http", 80, PlainSocketFactory.getSocketFactory()));

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Examples of net.spy.memcached.MemcachedClient

Advanced Usage

Related Classes of net.spy.memcached.MemcachedClient