org.apache.phoenix.queryserver.server

Class Main

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.phoenix.queryserver.server.Main

All Implemented Interfaces:

Runnable, org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public final class Main
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool, Runnable

A query server for Phoenix over Calcite's Avatica.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
Main() Constructor for use from ToolRunner.
Main(String[] argv, org.apache.hadoop.conf.Configuration conf) Constructor for use as Runnable.

Method Summary

Methods

Modifier and Type	Method and Description
void	awaitRunning() Calling thread waits until the server is running.
void	awaitRunning(long timeout, TimeUnit unit) Calling thread waits until the server is running.
int	getPort()
int	getRetCode()
Throwable	getThrowable()
static void	logJVMInfo() Log information about the currently running JVM.
static void	logProcessInfo(org.apache.hadoop.conf.Configuration conf) Logs information about the currently running JVM process including the environment variables.
static void	main(String[] argv)
void	run()
int	run(String[] args)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

Constructor Detail

Main

public Main()

Constructor for use from ToolRunner.

Main

public Main(String[] argv,
    org.apache.hadoop.conf.Configuration conf)

Constructor for use as Runnable.

Method Detail

logJVMInfo

public static void logJVMInfo()

Log information about the currently running JVM.

logProcessInfo

public static void logProcessInfo(org.apache.hadoop.conf.Configuration conf)

Logs information about the currently running JVM process including the environment variables. Logging of env vars can be disabled by setting "phoenix.envvars.logging.disabled" to "true".

If enabled, you can also exclude environment variables containing certain substrings by setting "phoenix.envvars.logging.skipwords" to comma separated list of such substrings.

getPort

public int getPort()

Returns:

the port number this instance is bound to, or -1 if the server is not running.

getRetCode

public int getRetCode()

Returns:

the return code from running as a Tool.

getThrowable

public Throwable getThrowable()

Returns:

the throwable from an unsuccessful run, or null otherwise.

awaitRunning

public void awaitRunning()
                  throws InterruptedException

Calling thread waits until the server is running.

Throws:

InterruptedException

awaitRunning

public void awaitRunning(long timeout,
                TimeUnit unit)
                  throws InterruptedException

Calling thread waits until the server is running.

Throws:

InterruptedException

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface org.apache.hadoop.util.Tool

Throws:

Exception

run

public void run()

Specified by:

run in interface Runnable

main

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

Throws:

Exception