Eclipse GMF Guide (Galileo) - ActionFilterService.ProviderDescriptor (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.common.ui.services.action.filter
Class ActionFilterService.ProviderDescriptor

java.lang.Object
  

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      

org.eclipse.gmf.runtime.common.core.service.Service.ProviderDescriptor
          
org.eclipse.gmf.runtime.common.ui.services.action.filter.ActionFilterService.ProviderDescriptor

All Implemented Interfaces:: java.util.EventListener, IProvider, IProviderChangeListener

Enclosing class:: ActionFilterService

protected static class ActionFilterService.ProviderDescriptor
extends Service.ProviderDescriptor
extends Service.ProviderDescriptor

A descriptor for action filter providers defined by a configuration element.

Field Summary

protected static java.lang.String A_NAME
          The name of the 'name' XML attribute.

protected static java.lang.String A_VALUE
          The name of the 'value' XML attribute.

protected static java.lang.String E_ATTRIBUTE
          The name of the 'Attribute' XML element.

Fields inherited from class org.eclipse.gmf.runtime.common.core.service. Service.ProviderDescriptor

A_CLASS, A_PLUGIN, E_POLICY, policy, policyInitialized, provider

Constructor Summary

protected ActionFilterService.ProviderDescriptor ( IConfigurationElement element)
          Constructs a new action filter provider descriptor for the specified configuration element.

Method Summary

boolean provides ( IOperation operation)
          Indicates whether this provider descriptor provides the specified operation.

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. Service.ProviderDescriptor

getElement, getPolicy, getProvider, providerChanged, toString

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. AbstractProvider

addProviderChangeListener, fireProviderChange, removeProviderChangeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.gmf.runtime.common.core.service. IProvider

addProviderChangeListener, removeProviderChangeListener

Field Detail

A_NAME

protected static final java.lang.String A_NAME

The name of the 'name' XML attribute.

See Also:: Constant Field Values

A_VALUE

protected static final java.lang.String A_VALUE

The name of the 'value' XML attribute.

See Also:: Constant Field Values

E_ATTRIBUTE

protected static final java.lang.String E_ATTRIBUTE

The name of the 'Attribute' XML element.

See Also:: Constant Field Values

Constructor Detail

ActionFilterService.ProviderDescriptor

protected ActionFilterService.ProviderDescriptor(
IConfigurationElement element)

Constructs a new action filter provider descriptor for the specified configuration element.

Parameters:: element - The configuration element describing the provider.

Method Detail

provides

public boolean provides(
IOperation operation)

Indicates whether this provider descriptor provides the specified operation.

Specified by:: provides in interface IProvider
Overrides:: provides in class Service.ProviderDescriptor

Parameters:: operation - The operation in question.
Returns:: true if the name and value (optional) of the specified operation matches the name and value (if provided) of one of the attributes (if any) defined for this provider descriptor or if this descriptor's policy or provider provides the operation; false otherwise.
See Also:: IProvider.provides(IOperation)