The Custom Wire Format properties described here apply to:
Property | Type | Meaning |
---|---|---|
Physical Type | Enumerated Type | Select one of the following from the drop-down list:
The default is Fixed Length String. |
Length Count | Button and Integer | If you have selected
a Physical Type of Fixed Length String or Binary, and have set Length Type to Count,
enter the number of length units for the element. The minimum value that you can specify is 0 (zero), the maximum value that you can specify is 2147483647 The default value is 0 (zero). |
Length Reference | Button and Enumerated Type | If you have selected the length to be defined by Length Reference, select the name of
the Integer object that specifies the length of this object. Make your selection
from the drop-down list of Integer objects that are defined as siblings of
the current object, and occur before it in the structure of the message. For information about reordering elements, see Reordering objects. |
Length Units | Enumerated Type | Subject to the Physical
Type that has been set, select one of the following from the
drop-down list:
The default is bytes. |
String Justification | Enumerated Type | If you have set the Physical Type property to Fixed Length String, select Left Justify (the default value) or Right Justify from the drop-down list. If you have selected another value for Physical Type, this is property is inactive. |
Padding Character | String | The
padding character is used to fill out the remaining character positions when
the string length is less than the specified string size. If you have set
the Physical Type property
to Fixed
Length String, and the String
Justification property is either Left
Justify or Right Justify,
set this character in one of the following ways:
|
Property | Type | Meaning |
---|---|---|
Encoding Null | Enumerated Type | Select one of the following
options from the drop-down list:
|
Encoding Null Value | STRING | The use of this
property depends on the Encoding Null property,
described above. If specified, its length must be equal to the length of the
string element. The default value is empty (not set). |
Property | Type | Meaning |
---|---|---|
Byte Alignment | Enumerated Type | Specify how the object is aligned from the start of
the message. Select one of:
|
Leading Skip Count | Integer | Specify the number of bytes to skip before reading or
writing this object. The default is 0,
the minimum value is 0,
and the maximum value is 999999.
You can use this value to ignore unwanted fields in a structure, or to model
a field defined by C or COBOL data which requires alignment on a 2, 4, 8 or
16 byte boundary. Specify the number of bytes to skip before reading or writing
this object. When an output message is written, Skip Count bytes are assigned
the value of the message set Byte Alignment Pad property. For repeating objects, this property is applied to the first instance only. |
Trailing Skip Count | Integer | Specify the number of bytes to skip after reading or
writing this object. The default is 0,
the minimum value is 0,
and the maximum value is 999999.
You can use this value to ignore unwanted fields in a structure, or to model
a repeating structure containing fields which require alignment on a 2, 4,
8 or 16 byte boundary. When an output message is written, Skip Count bytes
are assigned the value of the message set Byte Alignment Pad property. For repeating objects, this property is applied to all instances. |
Property | Type | Meaning |
---|---|---|
Repeat Count | Button and Integer | If you have selected the Repeat Count property, enter the number of occurrences for this object. The minimum value is 0 (zero and one mean that a single occurrence is expected), the maximum value is 2147483647. |
Repeat Reference | Button and Enumerated Type | If you have selected the Repeat
Reference property, select the name of the integer object the
value of which specifies the number of occurrences of this object from the
drop-down list of integer objects that are defined as siblings of the current
object, and occur before it in the structure of the message. For information about reordering elements, see Reordering objects. |
Related concepts
Message modeling
The message model
Related tasks
Developing message models
Working with message model objects
Related reference
Message model reference information
Message model object properties
Logical properties for message model objects
Custom Wire Format physical properties for message model objects
XML wire format physical properties for message model objects
Tagged/delimited string format physical properties for message model objects
Documentation properties for all message set objects
Message model object properties by object
Additional MRM domain information
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