The adapter design pattern adapter structure (class)

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Client
Request()
Target*

Request ( )
Adapter
SpecificRequest()
(implementation)
specificRequest()
Adaptee
Convert the interface of a class into another inteface clients expect.
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Client
Request()
Target*

Request( )
Adapter
adaptee->SpecifricRequest()
adaptee
specificRequest()
Adaptee
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ConstraintStateVariable
ConstraintVariableStateVariable
(to QOCA class hierarchy) (to Unidraw class hierarchy)
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GetChildren(node)
CreateGraphicNode(Node)

Display()
BuildTree(Node n)
TreeDisplay
(Client,Target
)
GetChildren(node)
CreateGraphicNode(Node)
DirectoryTreeDisplay
(Adapter)
FileSystemEntity
(Adaptee)
GetChildren(n)
for each child {
AddGraphicNode(CreateGraphi cNode(child))
BuildTree(child)
}
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SetDelegate(Delegate)
Display()
BuildTree(Node n)
TreeDisplay*
(Client)
GetChildren(TreeDisplay, Node)
CreateGraphicNode(TreeDisplay, Node)
TreeAccessorDelegate*
(Target)
GetChildren(TreeDisplay, Node)
CreateGraphicNode(TreeDisplay, Node)
CreateFile()
DeleteFile()

DirectoryBrowser
(Adapter)
FileSystemEntity
(Adaptee)
delegate->GetChildren(this, n)
for each child{
AddGraphicNode(
delegate->CreateGraphicNode(this, child)
)
BuildTree(child)
}
delegate
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Object*
value:
value
ValueModel*
getBlock
setBlock
value:
value
PluggableAdaptor
^ getBlock value:adaptee
adaptee