Hi,
I'm trying to use a singleton instance of client for multiple index
creation. Below is the code for the same. But every time I'm getting
instance as null and it's creating a new instance. Please let me know what
I'm doing wrong
*singleton instance* :
public class ESClientSingleton {
public static Client instance ;
private ESClientSingleton()
{}
public static Client getInstance()
{
if (instance == null)
{
System.out.println("the instance is null...");
ImmutableSettings.Builder settings = ImmutableSettings.settingsBuilder();
settings.put("node.client", true);
settings.put("node.data", false);
settings.put("node.name", "node-client");
settings.put("cluster.name", "elasticsearch");
settings.build();
instance = new TransportClient(settings)
.addTransportAddress(new
InetSocketTransportAddress("10.203.251.142", 9300));
//instance = client;
return instance;
}
return instance;
}
}
*calling method* :
public static IndexResponse insertESDocument(String nodeName, String json)
{
Client client = ESClientSingleton.getInstance();
logger.debug("calling the es client");
logger.debug("the json received as == "+json);
IndexResponse response =
client.prepareIndex("aricloud-nodes","node-entry",nodeName )
.setSource(json)
.execute()
.actionGet();
logger.debug("the document is successfully indexed...");
System.out.println("the document is indexed...");
//client.close();
return response;
}
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