@Override
protected Client createInstance() throws Exception {
switch (configuration.getProtocol()) {
case TRANSPORT:
return createTransportClient();
case NODE:
return createNodeClient();
default:
LOGGER.error("Unsupported protocol [{}] for elastic client", configuration.getProtocol());
throw new IllegalStateException(
String.format(
"Unsupported protocol [%s] for elastic client", configuration.getProtocol()));
}
}
private Client createTransportClient() {
Settings settings =
ImmutableSettings.settingsBuilder()
.put("cluster.name", configuration.getClusterName())
.build();
TransportClient transportClient = new TransportClient(settings);
List<HostAddress> adresses = configuration.getHostsAddresses();
for (HostAddress address : adresses) {
transportClient.addTransportAddress(
new InetSocketTransportAddress(address.getHostname(), address.getPort()));
}
return transportClient;
}
private Client createNodeClient() {
Settings settings =
ImmutableSettings.settingsBuilder()
.put("cluster.name", configuration.getClusterName())
.put("gateway.type", "none")
// .put("index.number_of_shards",numberOfShards)
// .put("index.number_of_replicas",0)
.build();
Node node = NodeBuilder.nodeBuilder().settings(settings).client(true).node();
return node.client();
}