org.eclipse.vtp.framework.core
Interface IContext

All Superinterfaces:

ILogger, IReporter

All Known Subinterfaces:

IActionContext, IExecutionContext, IProcessContext, ISessionContext

All Known Implementing Classes:

AbstractActionContext, AbstractContext, AbstractExecutionContext, AbstractProcessContext, AbstractSessionContext, ActionContextWrapper, Execution.Context, ExecutionContextWrapper, Process.Context, ProcessContextWrapper, Sequence.Context, Session.Context, SessionContextWrapper

public interface IContext
extends ILogger

A registry of service objects indexed by identifier.

Author:

Lonnie Pryor

Field Summary

Fields inherited from interface org.eclipse.vtp.framework.core.IReporter

SEVERITY_DEBUG, SEVERITY_ERROR, SEVERITY_INFO, SEVERITY_WARN

Method Summary

java.lang.Object	lookup(java.lang.String identifier) Looks up the service selected for the specified identifier or null if no such service exists.
java.lang.Object[]	lookupAll(java.lang.String identifier) Returns an array containing all the services registered under the specified identifier.

Methods inherited from interface org.eclipse.vtp.framework.core.ILogger

debug, debug, debug, debug, error, error, error, error, info, info, info, info, isDebugEnabled, isErrorEnabled, isInfoEnabled, isWarnEnabled, log, log, log, log, warn, warn, warn, warn

Methods inherited from interface org.eclipse.vtp.framework.core.IReporter

isSeverityEnabled, report, report, report, report

Method Detail

lookup

java.lang.Object lookup(java.lang.String identifier)
                        throws java.lang.NullPointerException

Looks up the service selected for the specified identifier or null if no such service exists.

Parameters:

identifier - The identifier of the service to look up.

Returns:

The service selected for the specified identifier or null if no such service exists.

Throws:

java.lang.NullPointerException - If the supplied identifier is null.

lookupAll

java.lang.Object[] lookupAll(java.lang.String identifier)
                             throws java.lang.NullPointerException

Returns an array containing all the services registered under the specified identifier.

Parameters:

identifier - The identifier of the services to look up.

Returns:

An array containing all the services registered under the specified identifier.

Throws:

java.lang.NullPointerException - If the supplied identifier is null.