org.eclipse.vtp.framework.engine.support
Class AbstractContext

java.lang.Object
  org.eclipse.vtp.framework.engine.support.AbstractReporter
      org.eclipse.vtp.framework.engine.support.AbstractLogger
          org.eclipse.vtp.framework.engine.support.AbstractContext

All Implemented Interfaces:

IContext, ILogger, IReporter

Direct Known Subclasses:

AbstractActionContext, AbstractExecutionContext, AbstractProcessContext, AbstractSessionContext

public abstract class AbstractContext
extends AbstractLogger
implements IContext

A support implementation of the IContext interface.

Author:

Lonnie Pryor

Field Summary

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

SEVERITY_DEBUG, SEVERITY_ERROR, SEVERITY_INFO, SEVERITY_WARN

Constructor Summary

protected

AbstractContext() Creates a new AbstractContext.

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.
protected java.lang.Object[]	lookupAllInheritedServices(java.lang.String identifier) Returns all the services registered under the specified identifier in any ancestor registry or null if no such services can be found.
protected java.lang.Object[]	lookupAllLocalServices(java.lang.String identifier) Returns all the services registered under the specified identifier in this registry or null if no such services can be found.
protected java.lang.Object	lookupInheritedService(java.lang.String identifier) Returns a service registered under the specified identifier in any ancestor registry or null if no such service exists.
protected java.lang.Object	lookupLocalService(java.lang.String identifier) Returns a service registered under the specified identifier in this registry or null if no such service exists.
protected java.lang.Object	lookupReservedService(java.lang.String identifier) Returns the reserved service if the specified identifier is one of the reserved identifiers or null if these conditions are not met.

Methods inherited from class org.eclipse.vtp.framework.engine.support.AbstractLogger

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

Methods inherited from class org.eclipse.vtp.framework.engine.support.AbstractReporter

doReport, report, report, report, report

Methods inherited from class java.lang.Object

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

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

Constructor Detail

AbstractContext

protected AbstractContext()

Creates a new AbstractContext.

Method Detail

lookupReservedService

protected java.lang.Object lookupReservedService(java.lang.String identifier)

Returns the reserved service if the specified identifier is one of the reserved identifiers or null if these conditions are not met.

Parameters:

identifier - The identifier of the service to return, will never be null.

Returns:

The reserved service if the specified identifier is one of the reserved identifiers or null if these conditions are not met.

lookupLocalService

protected java.lang.Object lookupLocalService(java.lang.String identifier)

Returns a service registered under the specified identifier in this registry or null if no such service exists.

Parameters:

identifier - The identifier of the service to return, will never be null.

Returns:

A service registered under the specified identifier in this registry or null if no such service exists.

lookupAllLocalServices

protected java.lang.Object[] lookupAllLocalServices(java.lang.String identifier)

Returns all the services registered under the specified identifier in this registry or null if no such services can be found.

Parameters:

identifier - The identifier of the services to return, will never be null.

Returns:

All the services registered under the specified identifier in this registry or null if no such services can be found.

lookupInheritedService

protected java.lang.Object lookupInheritedService(java.lang.String identifier)

Returns a service registered under the specified identifier in any ancestor registry or null if no such service exists.

Parameters:

identifier - The identifier of the service to return, will never be null.

Returns:

A service registered under the specified identifier in any ancestor registry or null if no such service exists.

lookupAllInheritedServices

protected java.lang.Object[] lookupAllInheritedServices(java.lang.String identifier)

Returns all the services registered under the specified identifier in any ancestor registry or null if no such services can be found.

Parameters:

identifier - The identifier of the services to return, will never be null.

Returns:

All the services registered under the specified identifier in any ancestor registry or null if no such services can be found.

lookup

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

Description copied from interface: IContext

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

Specified by:

lookup in interface IContext

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

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

Description copied from interface: IContext

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

Specified by:

lookupAll in interface IContext

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.