January 2011
Intermediate to advanced
507 pages
13h 27m
English
book
Pro WCF: Practical Microsoft SOA Implementation
by Chris Peiris, Dennis Mulder, Shawn Cicoria, Amit Bahree, Nishith Pathak
Content preview from Pro WCF: Practical Microsoft SOA Implementation
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Data Contracts
The following are the data contracts in the application.
Quote
A quote represents what the "market" is for a given listed security.Table A-1 shows the quote data contract.
| Field | Format | Description |
|---|---|---|
| Ticker | String | Primary exchange security identifier |
| Bid | Decimal | The price at which the publisher is willing to buy the security |
| Ask | Decimal | The price at which the publisher is willing to sell the security |
| Publisher | String | Identifier of publisher is willing to sell the security |
| Update Time | DateTime | Update time in GMT for the published quote |
Trade
A trade represents a commitment to buy or sell a set quantity of shares for a specific listed security by a specific publisher.Table A-2 shows the trade data contract.
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