Package org.apache.vxquery.cli

Class VXQuery

java.lang.Object

org.apache.vxquery.cli.VXQuery

public class VXQuery
extends Object

Constructor Summary

Constructors

Constructor	Description
VXQuery(org.apache.vxquery.cli.VXQuery.CmdLineOptions opts)	Constructor to use command line options passed.

Method Summary

Modifier and Type	Method	Description
protected org.apache.hyracks.api.dataset.ResultSetId	createResultSetId()	Create a unique result set id to get the correct query back from the cluster.
static void	main(String[] args)	Main method to get command line options and execute query process.
void	startLocalHyracks()	Start local virtual cluster with cluster controller node and node controller nodes.
void	stopLocalHyracks()	Shuts down the virtual cluster, along with all nodes and node execution, network and queue managers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VXQuery

public VXQuery(org.apache.vxquery.cli.VXQuery.CmdLineOptions opts)

Constructor to use command line options passed.

Parameters:

opts - Command line options object

Method Detail

main

public static void main(String[] args)
                 throws Exception

Main method to get command line options and execute query process.

Parameters:

args -

Throws:

Exception

createResultSetId

protected org.apache.hyracks.api.dataset.ResultSetId createResultSetId()

Create a unique result set id to get the correct query back from the cluster.

Returns:

Result Set id generated with current system time.

startLocalHyracks

public void startLocalHyracks()
                       throws Exception

Start local virtual cluster with cluster controller node and node controller nodes. IP address provided for node controller is localhost. Unassigned ports 39000 and 39001 are used for client and cluster port respectively. Creates a new Hyracks connection with the IP address and client ports.

Throws:

Exception

stopLocalHyracks

public void stopLocalHyracks()
                      throws Exception

Shuts down the virtual cluster, along with all nodes and node execution, network and queue managers.

Throws:

Exception