org.jscsi.target.connection.phase

Class TargetPhase

java.lang.Object

org.jscsi.target.connection.phase.TargetPhase

Direct Known Subclasses:

TargetFullFeaturePhase, TargetLoginPhase

public abstract class TargetPhase
extends Object

Instances of this class represent a connection's phase (see TargetConnection for a description of the relationship between stages, phases, connections, and sessions).

To start a phase, one of the execute methods must be called, which one is sub-class-specific.

Author:

Andreas Ergenzinger

Field Summary

Fields

Modifier and Type	Field and Description
protected Connection	connection The connection this phase is a part of.

Constructor Summary

Constructors

Constructor and Description
TargetPhase(Connection connection) The abstract constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	execute() Throws an OperationNotSupportedException unless overwritten.
boolean	execute(ProtocolDataUnit pdu) Throws an OperationNotSupportedException unless overwritten.
Connection	getTargetConnection()

Methods inherited from class java.lang.Object

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

Field Detail

connection

protected Connection connection

The connection this phase is a part of.

Constructor Detail

TargetPhase

public TargetPhase(Connection connection)

The abstract constructor.

Parameters:

connection - the connection is phase is a part of

Method Detail

execute

public boolean execute(ProtocolDataUnit pdu)
                throws OperationNotSupportedException,
                       IOException,
                       InterruptedException,
                       InternetSCSIException,
                       DigestException,
                       SettingsException

Throws an OperationNotSupportedException unless overwritten.

Parameters:

pdu - the first PDU to be processes as part of the phase

Returns:

true if and only if the phase was completed successfully

Throws:

OperationNotSupportedException - if the method is not overwritten

IOException - if an I/O error occurs

InterruptedException - if the current Thread is interrupted

InternetSCSIException - if a iSCSI protocol violation is detected

DigestException - if a PDU digest error is detected

SettingsException - if the target tries to access a parameter that has not been declared or negotiated and that has no default value

execute

public boolean execute()
                throws OperationNotSupportedException,
                       InternetSCSIException,
                       DigestException,
                       IOException,
                       InterruptedException,
                       SettingsException

Throws an OperationNotSupportedException unless overwritten.

Returns:

true if and only if the phase was completed successfully

Throws:

OperationNotSupportedException - if the method is not overwritten

IOException - if an I/O error occurs

InterruptedException - if the current Thread is interrupted

InternetSCSIException - if a iSCSI protocol violation is detected

DigestException - if a PDU digest error is detected

SettingsException - if the target tries to access a parameter that has not been declared or negotiated and that has no default value

getTargetConnection

public Connection getTargetConnection()