FileOperations – Adaptiva Support Portal

Category: System

This activity helps in performing file operation using Javas random access file.

Properties

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	NodeType	Contains the type for node	No	No	No	Output	No
Data Type: Text			Comments:
	Name	Name of the workflow node	Yes	Yes	No	Input	No
Data Type: Text			Comments:
	Description	Description of the workflow node	No	Yes	No	Input	No
Data Type: Text			Comments:
	DisableWow64Redirection	If this property is on, it Turns off automatic wow64 redirection	Yes	Yes	Yes	Input	No
Data Type: Boolean			Comments:
	Operation	Operation to be performed Open file, Close file, Get file position, Set file position, Read line, Write line, Write text, Read binary data, Write binary data	Yes	Yes	No	Input	No
Data Type: Text			Comments:
	LogData	Any string to output to the workflow log	No	No	No	Input	No
Data Type: Text			Comments:

Operations

Open file

Opens a file for editing

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	FileName	The absolute name of the input file. Name may contain environment variables	Yes	No	No	Input	Yes
Data Type: Text			Comments:
	CreationRule	The rule based on which file will be opened. Options: Always Create, Always Open, Create new only, Open existing only	No	Yes	No	Input	Yes
Data Type: Whole Number			Comments: One of: Always Create, Always Open, Create New Only, Open Existing Only
	File	The random access file object	No	No	No	Output	Yes
Data Type: Java Object			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Note
For an example of this Operation, please review this article for a full Walkthrough.

Close file

Closes an open file

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:

Note
For an example of this Operation, please review this article for a full Walkthrough.

Get file position

Gets the current byte position within a file

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	FilePosition	The file pointer position read or to be set	No	No	No	Output	Yes
Data Type: Whole Number			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Set file position

Sets the current byte position within a file for editing

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	FilePosition	The file pointer position read or to be set	No	No	No	Input	Yes
Data Type: Whole Number			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Note
For an example of this Operation, please review this article for a full Walkthrough.

Read line

Reads the line at the current file position

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	Line	The text line which is read OR to be written	No	No	No	Output	Yes
Data Type: Text			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Write line

Writes a line to the file at the current file position

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	Line	The text line which is read OR to be written	No	No	No	Input	Yes
Data Type: Text			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Note
For an example of this Operation, please review this article for a full Walkthrough.

Write text

Writes text to the file at the current file position

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	Text	The text to be written	No	No	No	Input	Yes
Data Type: Text			Comments:
	Result	Set to true for success, else to false	No	Yes	No	Output	Yes
Data Type: Boolean			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

Read binary data

Reads binary data from a file at the current file position

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	ByteCount	The number of bytes read/written or to be read/written	Yes	No	No	Input	Yes
Data Type: Whole Number			Comments:
	Bytes	The bytes read or to be written	No	No	No	Output	Yes
Data Type: Whole Number Array			Comments:

Write binary data

Writes binary data to a file at the current file position

	Name	Description	Mandatory	Initial Value	Runtime Expression	Type	Conditional
	File	The random access file object	Yes	No	No	Input	Yes
Data Type: Java Object			Comments:
	ByteCount	The number of bytes read/written or to be read/written	Yes	No	No	Input	Yes
Data Type: Whole Number			Comments:
	Bytes	The bytes read or to be written	No	No	No	Input	Yes
Data Type: Whole Number Array			Comments:
	ErrorDescription	Set to error description that has occurred or empty	No	No	No	Output	Yes
Data Type: Text			Comments:

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