public MetricsObject call() {
JMXReader node_reader = new JMXReader(this.ip_address, "" + this.jmx_port_number);
MBeanServerConnection node_remote = null;
try {
node_remote = node_reader.connect();
} catch (IOException e) {
System.err.println(
" - ERROR : There are communication problems when establishing the connection with the Cluster \n"
+ " [ "
+ e.getMessage()
+ " ]");
System.exit(-1);
} catch (SecurityException e) {
System.err.println(
" - ERROR : There are security problems when establishing the connection with the Cluster \n"
+ " [ "
+ e.getMessage()
+ " ]");
System.exit(-1);
} catch (Exception e) {
System.err.println(
" - ERROR : There are unknown problems when establishing the connection with the Cluster \n"
+ " [ "
+ e.getMessage()
+ " ]");
System.exit(-1);
}
// ---------- Retrieve Client Request Metrics ---------
ClientRequestMetricsObject client_request_metrics_read =
node_reader.getClientRequestLatencyMetrics(node_remote, "Read");
ClientRequestMetricsObject client_request_metrics_write =
node_reader.getClientRequestLatencyMetrics(node_remote, "Write");
// ---------- Retrieve Node Metrics ---------
NodeMetricsObject node_metrics_read =
node_reader.getNodeLatencyMetrics(node_remote, "ReadLatency");
NodeMetricsObject node_metrics_write =
node_reader.getNodeLatencyMetrics(node_remote, "WriteLatency");
// ----------
node_reader.disconnect();
MetricsObject metrics =
new MetricsObject(
ip_address,
jmx_port_number,
client_request_metrics_read,
client_request_metrics_write,
node_metrics_read,
node_metrics_write);
return (metrics);
}
