Module: Deltacloud::BackendCapability

Included in:
Sinatra::Rabbit::Operation
Defined in:
lib/deltacloud/backend_capability.rb

Overview

Copyright © 2009, 2010 Red Hat, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Defined Under Namespace

Modules: Helpers Classes: Failure

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#capability ⇒ Object (readonly)

Returns the value of attribute capability.



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# File 'lib/deltacloud/backend_capability.rb', line 30

def capability
  @capability
end

Instance Method Details

#check_capability(backend) ⇒ Object 



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# File 'lib/deltacloud/backend_capability.rb', line 40

def check_capability(backend)
  if !has_capability?(backend)
    raise Failure.new(capability, "#{capability} capability not supported by backend #{backend.class.name}")
  end
end

#has_capability?(backend) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deltacloud/backend_capability.rb', line 36

def has_capability?(backend)
  !capability or backend.has_capability?(capability)
end

#with_capability(capability) ⇒ Object 



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# File 'lib/deltacloud/backend_capability.rb', line 32

def with_capability(capability)
  @capability = capability
end