Package edu.rit.pj.cluster

Class BackendInfo

java.lang.Object

edu.rit.pj.cluster.BackendInfo

public class BackendInfo
extends Object

Class BackendInfo provides a record of information about one backend node in the PJ cluster middleware.

Version:

20-Jun-2012

Author:

Alan Kaminsky

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	BackendInfo.State	The state of a backend node.

Field Summary

Fields

Modifier and Type	Field	Description
String	classpath	The Java class path for the Parallel Java Library on the backend.
String	host	The host name for SSH remote logins to the backend.
JobInfo	job	The job that has reserved or is running on the backend.
String	jvm	The full pathname for executing the Java Virtual Machine (JVM) on the backend.
String[]	jvmflags	Array of command line flags for the JVM (zero or more).
String	name	The backend's name.
String	shellCommand	Shell command string on the backend.
BackendInfo.State	state	The backend's state.
long	stateTime	The time when the backend entered its current state (milliseconds since midnight 01-Jan-1970 GMT).
int	totalCpus	The total number of CPUs in the backend.

Constructor Summary

Constructors

Constructor	Description
BackendInfo(String name, int totalCpus, BackendInfo.State state, long stateTime, String host, String jvm, String classpath, String[] jvmflags, String shellCommand)	Construct a new backend information record.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

name

public String name

The backend's name.

totalCpus

public int totalCpus

The total number of CPUs in the backend.

state

public BackendInfo.State state

The backend's state.

stateTime

public long stateTime

The time when the backend entered its current state (milliseconds since midnight 01-Jan-1970 GMT).

host

public String host

The host name for SSH remote logins to the backend.

jvm

public String jvm

The full pathname for executing the Java Virtual Machine (JVM) on the backend.

classpath

public String classpath

The Java class path for the Parallel Java Library on the backend.

jvmflags

public String[] jvmflags

Array of command line flags for the JVM (zero or more).

shellCommand

public String shellCommand

Shell command string on the backend.

job

public JobInfo job

The job that has reserved or is running on the backend.

Constructor Details

BackendInfo

public BackendInfo(String name,
 int totalCpus,
 BackendInfo.State state,
 long stateTime,
 String host,
 String jvm,
 String classpath,
 String[] jvmflags,
 String shellCommand)

Construct a new backend information record.

Parameters:

name - The backend's name.

totalCpus - The total number of CPUs in the backend.

state - The backend's state.

stateTime - The time when the backend entered its current state.

host - The host name for SSH remote logins to the backend.

jvm - The full pathname for executing the Java Virtual Machine (JVM) on the backend.

classpath - The Java class path for the Parallel Java Library on the backend.

jvmflags - Array of command line flags for the JVM (zero or more).

shellCommand - Shell command string.