Example usage for com.amazonaws.services.elasticache.model DescribeCacheClustersRequest setShowCacheNodeInfo

Introduction

In this page you can find the example usage for com.amazonaws.services.elasticache.model DescribeCacheClustersRequest setShowCacheNodeInfo.

Prototype

public void setShowCacheNodeInfo(Boolean showCacheNodeInfo) 

Source Link

Document

An optional flag that can be included in the DescribeCacheCluster request to retrieve information about the individual cache nodes.

Usage

From source file:it.polimi.modaclouds.cpimlibrary.memcache.AmazonMemcache.java

License:Apache License

private void start(String memcacheAddr) {
    AWSCredentials credentials = null;/* www.  j  av a 2  s.c o  m*/
    try {
        credentials = new PropertiesCredentials(
                getClass().getClassLoader().getResourceAsStream("AwsCredentials.properties"));
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    ec = new AmazonElastiCacheClient(credentials);
    DescribeCacheClustersRequest describe_req = new DescribeCacheClustersRequest();
    describe_req.setShowCacheNodeInfo(true);
    DescribeCacheClustersResult describe_res = ec.describeCacheClusters(describe_req);
    List<CacheCluster> clusters = describe_res.getCacheClusters();
    for (CacheCluster c : clusters) {
        Endpoint conf_end = c.getConfigurationEndpoint();
        String addr = conf_end.getAddress() + ":" + conf_end.getPort();
        if (addr.equals(memcacheAddr)) {
            cluster = c;
            break;
        }
    }
    //setting security groups
    // List<String> sec_groups_names = new ArrayList<String>();
    // List<CacheSecurityGroup> res = ec.describeCacheSecurityGroups().getCacheSecurityGroups();
    // for(int i = 0; i < res.size(); i++) {
    //    if(res.get(i).getDescription().contains("Cloud Platform Independent Model"))
    //       sec_groups_names.add(res.get(i).getCacheSecurityGroupName());
    // }
    // ModifyCacheClusterRequest req = new ModifyCacheClusterRequest(cluster.getCacheClusterId());
    // req.setCacheSecurityGroupNames(sec_groups_names);
    // req.setApplyImmediately(true);
    // ec.modifyCacheCluster(req);
    //creation of memcached client
    List<InetSocketAddress> addrs = new ArrayList<InetSocketAddress>();
    if (cluster != null && cluster.getCacheNodes() != null) {
        for (CacheNode node : cluster.getCacheNodes()) {
            if (node != null) {
                Endpoint endpoint = node.getEndpoint();
                if (endpoint != null && endpoint.getAddress() != null) {
                    addrs.add(new InetSocketAddress(endpoint.getAddress(), endpoint.getPort()));
                }
            }
        }
    }
    if (addrs.size() > 0) {
        try {
            System.out.println("Creation of memCacheClient.");
            memCache = new MemcachedClient(addrs);
            System.out.println("memCacheClient created.");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    } else
        System.out.println("No available nodes.");
}

---

From source file:org.springframework.cloud.aws.cache.ElastiCacheFactoryBean.java

License:Apache License

@Override
protected Cache createInstance() throws Exception {
    DescribeCacheClustersRequest describeCacheClustersRequest = new DescribeCacheClustersRequest()
            .withCacheClusterId(getCacheClusterName());
    describeCacheClustersRequest.setShowCacheNodeInfo(true);

    DescribeCacheClustersResult describeCacheClustersResult = this.amazonElastiCache
            .describeCacheClusters(describeCacheClustersRequest);

    CacheCluster cacheCluster = describeCacheClustersResult.getCacheClusters().get(0);
    if (!"available".equals(cacheCluster.getCacheClusterStatus())) {
        LOGGER.warn(//from ww  w. j  av a2  s  .  c om
                "Cache cluster is not available now. Connection may fail during cache access. Current status is {}",
                cacheCluster.getCacheClusterStatus());
    }

    Endpoint configurationEndpoint = getEndpointForCache(cacheCluster);

    for (CacheFactory cacheFactory : this.cacheFactories) {
        if (cacheFactory.isSupportingCacheArchitecture(cacheCluster.getEngine())) {
            return cacheFactory.createCache(this.cacheClusterId, configurationEndpoint.getAddress(),
                    configurationEndpoint.getPort());
        }
    }

    throw new IllegalArgumentException("No CacheFactory configured for engine: " + cacheCluster.getEngine());
}

---