Metadata journal for information technology systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-003/00
G06F-007/00
출원번호
UP-0753639
(2004-01-08)
등록번호
US-7690000
(2010-04-23)
발명자
/ 주소
Farmer, Donald Munro
출원인 / 주소
Microsoft Corporation
대리인 / 주소
Woodcock Washburn LLP
인용정보
피인용 횟수 :
4인용 특허 :
7
초록▼
The metadata journal service records changes to an information system through client devices that send changes made to objects for recording in a server. A client calls the server when a metadata event is raised. A metadata event may be raised when an object is modified, created, or deleted. The cli
The metadata journal service records changes to an information system through client devices that send changes made to objects for recording in a server. A client calls the server when a metadata event is raised. A metadata event may be raised when an object is modified, created, or deleted. The client sends the object identifier of object involved in the metadata event to the server, along with schema objects and operations associated with the object. The server generates a unique key for the metadata event, and stores the objects along with their associated schema objects and operations in the metadata journal. The journal may be searched and queried to provide metadata analysis, such as lineage or impact analysis for an object in the system.
대표청구항▼
What is claimed: 1. A system that facilitates metadata journaling comprising: a processor configured to: raising a metadata event by a client, in which an object has been created, modified, or deleted; sending by the client a message to a server indicating that the metadata event was raised, the me
What is claimed: 1. A system that facilitates metadata journaling comprising: a processor configured to: raising a metadata event by a client, in which an object has been created, modified, or deleted; sending by the client a message to a server indicating that the metadata event was raised, the message including a client identifier; receiving by the client from the server a determination that metadata can be accepted from the client based on the client identifier; receiving by the client a determination of metadata the client may record and instructions for the metadata to record from the server by using the client, the instructions specifying at least one of a plurality of types of metadata, wherein the metadata that the client may record is stored in a storage device with the client identifier and instructions associated with the client identifier, the instructions associated with the client identifier comprising object identifiers of objects for the client to record metadata from, a level of detail of the metadata to be recorded for each object, and a type of annotations to be recorded from each object; collecting by the client metadata responsive to the instructions and sending the collected metadata to the server; receiving by the client from the server a key generated for the metadata event, and the client sending the collected metadata and key to the server for storage, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event. 2. The system of claim 1, the collected metadata comprising object identifiers of objects involved in the metadata event matching object identifiers in the instructions. 3. The system of claim 1, the collected metadata comprising schema object identifiers of schema objects involved in the metadata event. 4. The system of claim 1, the collected metadata comprising operation identifiers for operations performed on the objects involved in the metadata event. 5. The system of claim 1, further comprising: an identification component that generates instructions for collecting metadata and sends the instructions to the client. 6. The system of claim 5, the received metadata comprising object identifiers of objects involved in the metadata event matching object identifiers in the instructions. 7. The system of claim 5, the received metadata comprising schema object identifiers of schema objects involved in the metadata event. 8. The system of claim 5, the received metadata comprising operation identifiers for operations performed on objects involved in the metadata event. 9. The system of claim 5, wherein the instructions for collecting metadata are generated using a client identifier. 10. The system of claim 5, wherein the instructions for collecting metadata are predetermined by a user or administrator. 11. A method for metadata journaling comprising: raising a metadata event by a client, in which an object has been created, modified, or deleted; sending by the client a message to a server indicating that the metadata event was raised, the message including a client identifier; receiving by the client from the server a determination that metadata can be accepted from the client based on the client identifier; receiving by the client a determination of metadata that the client may record and instructions for the metadata to record from the server by using the client, the instructions specifying at least one of a plurality of types of metadata, wherein the metadata that the client may record is stored in a storage device with the client identifier and instructions associated with the client identifier, the instructions associated with the client identifier comprising object identifiers of objects for the client to record metadata from, a level of detail of the metadata to be recorded for each object, and a type of annotations to be recorded from each object; collecting by the client metadata responsive to the instructions and sending the collected metadata to the server; receiving by the client from the server a key generated for the metadata event, and the client sending the collected metadata and key to the server for storage, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event. 12. The method of claim 11, further comprising: the client receiving the key from the server. 13. The method of claim 11, wherein determining the metadata the client may record is responsive to the client identifier. 14. The method of claim 11, wherein the instructions for what metadata to record are predetermined. 15. The method of claim 11, wherein collecting metadata responsive to the instructions by the client and sending the collected metadata to the server comprises: determining which objects involved in the metadata event correspond to the requested objects in the instructions; determining if schema objects are associated with the corresponding objects; and determining operations performed on the corresponding objects. 16. The method of claim 15, further comprising sending an object identifier for each object involved in the metadata event corresponding to the requested objects in the instructions, along with a schema object identifier for the schema objects associated with the object and an operation identifier for the operations performed on the object, to the server. 17. A method for metadata journaling comprising: receiving on a computer an indication that a metadata event, in which an object has been created, modified, or deleted was raised by a client, the indication including a client identifier; determining if metadata can be accepted from the client based on the client identifier; determining metadata that the client may record and sending instructions for the metadata to record to the client, the instructions specifying at least one of a plurality of types of metadata; receiving metadata collected by the client responsive to the instructions; generating a key for the metadata event; and storing the collected metadata and key, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event; wherein storing the collected metadata and generated key comprises computer-executable instructions for: receiving the collected metadata from the client, including an object identifier for each object involved in the metadata event corresponding to requested objects in the instructions, along with a schema object identifier for schema objects associated with the object and an operation identifier for operations performed on the object; making an entry for each object identifier in an objects table along with the key; making an entry for each schema object identifier in a schema objects table along with the key; and making an entry for each operation identifier in an operations table along with the key. 18. A computer-readable storage medium having stored thereon computer-executable instructions for performing a method for metadata journaling comprising: raising a metadata event by a client, in which an object has been created, modified, or deleted; sending by the client a message to a server indicating that the metadata event was raised, the message including a client identifier; receiving by the client from the server a determination that metadata can be accepted from the client based on the client identifier; receiving by the client a determination of metadata that the client may record and instructions for the metadata to record from the server by using the client, the instructions specifying at least one of a plurality of types of metadata, wherein the metadata that the client may record is stored in a storage device with the client identifier and instructions associated with the client identifier, the instructions associated with the client identifier comprising object identifiers of objects for the client to record metadata from, a level of detail of the metadata to be recorded for each object, and a type of annotations to be recorded from each object; collecting by the client metadata responsive to the instructions and sending the collected metadata to the server; receiving by the client from the server a key generated for the metadata event, and the client sending the collected metadata and key to the server for storage, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event. 19. The computer-readable storage medium of claim 18, the method for metadata journaling further comprising: returning the key to the client. 20. The computer-readable storage medium of claim 19, wherein the instructions for what metadata to record are predetermined. 21. The computer-readable storage medium of claim 18, wherein determining the metadata the client may record is performed by the server using a client identifier. 22. The computer-readable storage medium of claim 21, wherein determining what metadata the client may record comprises computer-executable instructions for looking up the client in a storage device using a client identifier and returning the instructions associated with the client identifier contained in the storage device. 23. A computer-readable storage medium having stored thereon computer-executable instructions for performing a method for metadata journaling comprising: receiving an indication that a metadata event, in which an object has been created, modified, or deleted was raised by a client, the indication including a client identifier; determining if metadata can be accepted from the client based on the client identifier; determining metadata that the client may record and sending instructions for the metadata to record to the client, the instructions specifying at least one of a plurality of types of metadata; receiving metadata collected by the client responsive to the instructions; generating a key for the metadata event; and storing the collected metadata and key, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event, wherein storing the collected metadata and generated key comprises computer-executable instructions for: receiving the collected metadata from the client, including an object identifier for each object involved in the metadata event corresponding to requested objects in the instructions, along with a schema object identifier for schema objects associated with the object and an operation identifier for operations performed on the object; making an entry for each object identifier in an objects table along with the key; making an entry for each schema object identifier in a schema objects table along with the key; and making an entry for each operation identifier in an operations table along with the key. 24. A system that facilitates metadata journaling, comprising: a memory storing instructions; and a processor that executes said instructions to implement steps of: receiving an indication that a metadata event, in which an object has been created, modified, or deleted was raised by a client, the indication including a client identifier; determining if metadata can be accepted from the client based on the client identifier; determining metadata that the client may record and sending instructions for the metadata to record to the client, the instructions specifying at least one of a plurality of types of metadata; receiving metadata collected by the client responsive to the instructions; generating a key for the metadata event; and storing the collected metadata and key, wherein the collected metadata is stored in a plurality of tables, each table corresponding to one of the specified types of metadata and the key comprises a unique name or number that identifies entries in one or more of the plurality of tables, wherein the entries are uniquely associated with the metadata event; wherein storing the collected metadata and generated key comprises computer-executable instructions for: receiving the collected metadata from the client, including an object identifier for each object involved in the metadata event corresponding to requested objects in the instructions, along with a schema object identifier for schema objects associated with the object and an operation identifier for operations performed on the object; making an entry for each object identifier in an objects table along with the key; making an entry for each schema object identifier in a schema objects table along with the key; and making an entry for each operation identifier in an operations table along with the key. 25. The system of claim 24, wherein the processor stores the collected metadata and key by: storing an entry for a schema object identifier along with the key; storing an entry for an object identifier along with the key; and making an entry for an operation identifier along with the key. 26. The system of claim 24, wherein the processor determines what metadata the client can record by looking up the client in the memory using the client identifier and returning instructions associated with the client identifier contained in the memory. 27. The system of claim 24, wherein the indication that a metadata event was raised includes the processor sending a client identifier. 28. The system of claim 24, wherein the processor sends instructions for the metadata to record by sending instructions containing object identifiers of objects for the client to record metadata from, a level of detail of the metadata to be recorded for each object, and a type of annotations to be recorded from each object.
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