pessimistic locking - Lightswitch 2011 Concurrency Control -

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मेरे पास दो प्रश्न हैं।

  1. क्या लाइटस्च 2011 समर्थन भी निराशावादी concurency नियंत्रण? यदि हां, तो कैसे?
  2. क्या बाहरी डेटा स्रोत से मेज पर आशावादी नियंत्रण का समर्थन स्तंभ है या केवल पंक्ति की स्थिति (मूल मानों का उपयोग करके) का उपयोग करें?

    Lightswitch 2011 केवल आशावादी संगामिति का समर्थन करता है।

    1. हववेर, मैं लाइटस्विच में निराशावादी संगामिति को सफलतापूर्वक एकीकृत कर रहा हूं। मैं एंटरप्राइज़ एप्लीकेशन आर्किटेक्चर (मार्टिन फोवलर) के पैटर्न के साथ मोटे-ग्रेंड लॉक का उपयोग इकाई फ़्रेमवर्क चुड़ैल के साथ में पहले से ही यूनिकऑफ़वर्क (ऑब्जेक्टटॉन्टेक्स) और रिपॉजिटरी (ऑब्जेक्टसेट) शामिल है। EF से ExecuteStoreCommand और ExecuteStoreQuery का उपयोग करके लॉक की प्राप्ति, रिलीज़ और चेकिंग रूट और बच्चों की संस्थाओं के लिए सीआरयूड संचालन के साथ कस्टम आरआईए सेवा लागू की गई थी।

    2. ROWVERSION के साथ आशावादी नियंत्रण कस्टम आरआईए सेवा के साथ संभव है जो ईएफ से मॉडल का उपयोग करता है।

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