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Parameters of Action "read"
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name | String | in | Fully qualified file name of the file you want to read, including the path.
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position | Integer | in | Position (in Bytes) from which you want to start reading the file. | ||||||||||
length | Integer | in/out | Length (in Bytes) of the snippet of the file you want to read. The actual length of the read data is given back (e.g. on file end). | ||||||||||
data | Blob | out | Content that has been read. |
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Defining a "read" Action
To read a file with the file system adapter, you need to define a read action on an action having the stereotype <<FileSystemAdapter>>. You can do this manually or with the help of the E2E xUML Action Wizard (see context menu of the action node).
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The path and file name of the file you want to access are defined in the component diagram.
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The link from the activity diagram to the physical information is established by an alias (in the present example: FileAlias). See File System Components for more information on file system aliases. For information on how to access a file or directory dynamically refer to Dynamic File Access. |
Properties of the File System Adapter Action
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Alternatively, you also could use the E2E xUML Action Wizard (see context menu of the action node).
Overview
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