2.2.1.12.6.3.1 Object Metadata

An Object Metadata has the following structure.


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Object Group Metadata (variable)

Object Change Frequency (variable)

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Object Group Metadata (variable): A 32-bit Stream Object Header (section 2.2.1.5.2) that specifies an Object Group metadata.

Object Change Frequency (variable): A compact unsigned 64-bit integer (section 2.2.1.1) that specifies the expected change frequency of the object.

  • 0, if the change frequency is not known.

  • 1, if the object is known to change frequently.

  • 2, if the object is known to change infrequently.

  • 3, if the object is known to change independently of any other objects.

  • 4, if the object is known to change in custom frequencies. Any value equal to or above 4 signifies a custom frequency.