Package net.sf.basedb.opengrid

Class AbstractHost<T extends AbstractSession<?>>

java.lang.Object

net.sf.basedb.opengrid.AbstractHost<T>

Type Parameters:

T - The type of sessions that are created when connecting to the host

Direct Known Subclasses:

OpenGridCluster, RemoteHost

public abstract class AbstractHost<T extends AbstractSession<?>>
extends Object

An abstract host that can be reached via SSH.

Since:

1.0

Author:

nicklas

Field Summary

Fields

Modifier and Type	Field	Description
private ConnectionInfo	ci
private static ExtensionsLogger	logger

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractHost(ConnectionInfo ci)

Method Summary

Modifier and Type	Method	Description
abstract T	connect(int timeout)	Connect to the cluster.
private net.schmizz.sshj.userauth.keyprovider.KeyProvider	createFileKeyProvider(net.schmizz.sshj.Config config, String privateKey, String password, String format)	Create and initialize a private key provider.
ConnectionInfo	getConnectionInfo()	Get the connection information for this host.
protected net.schmizz.sshj.SSHClient	internalConnect(int timeout)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

logger

private static final ExtensionsLogger logger

ci

private final ConnectionInfo ci

Constructor Details

AbstractHost

protected AbstractHost(ConnectionInfo ci)

Method Details

getConnectionInfo

public ConnectionInfo getConnectionInfo()

Get the connection information for this host.

connect

public abstract T connect(int timeout)

Connect to the cluster. The returned session can be used to send commands or transfer files to/from the cluster. Do not forget to AbstractSession.close() the session after use.

Parameters:

timeout - Timeout in seconds for the connection to be established

internalConnect

protected net.schmizz.sshj.SSHClient internalConnect(int timeout)

toString

public String toString()

Overrides:

toString in class Object

createFileKeyProvider

private net.schmizz.sshj.userauth.keyprovider.KeyProvider createFileKeyProvider(net.schmizz.sshj.Config config,
String privateKey,
String password,
String format)
                                                                         throws net.schmizz.sshj.common.SSHException,
IOException

Create and initialize a private key provider.

Parameters:

config - Required since we get supported key file formats from this

privateKey - The private key file as a string (required)

password - Optional

format - Optional (if not specified, auto-detection will be attempted)

Throws:

net.schmizz.sshj.common.SSHException

IOException