java - How to configure hibernate properties without persistence xml -

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मेरे पास स्प्रिंग एमवीसी वेब सेटअप है जो स्प्रिंग ओआरएम / हाइबरनेट फ़िरिसेंस लेयर के साथ है मैंने अपने LocalContainerEntityManagerFactoryBean को एक पैकेज पर स्थिरता इकाइयों के लिए स्वत: स्कैन करने के लिए कॉन्फ़िगर किया है इसलिए मुझे दृढ़ता से xml कॉन्फ़िगरेशन की आवश्यकता नहीं है

मैं अपने बीन्स कॉन्फ़िगरेशन को कैसे सेट कर सकता हूं ताकि वह उत्पन्न प्रश्नों को दिखाए और स्टार्टअप पर मॉडल परिवर्तनों के साथ डेटाबेस को रिफ्रेश कर सकता है?

स्थानीय कंटैनेरएन्टीएटीएमएनेजरफिचरबेन विस्तारित करता है सारएन्टीटिनेएजरफायरबेनबेन , जिसमें setJpaProperties (properties) विधि है। आप इस विधि से इस बीन पर कस्टम गुणों को पारित कर सकते हैं। 

  गुण गुण = नया गुण (); Properties.put ("hibernate.show_sql", "true"); Properties.put ("hibernate.hbm2ddl.auto", "create-drop"); entityManagerFactoryBean.setJpaProperties (गुण);

या यदि आप इसे स्प्रिंग कॉन्फ़िग फाइल में करना चाहते हैं: 

  बीन आईडी = "entityManagerFactory" class = "org.springframework.orm .jpa.LocalContainerEntityManagerFactoryBean "& gt; ... & lt; प्रॉपर्टी नाम = "jpaProperties" & gt; & LT; रंगमंच की सामग्री & gt; & Lt; prop key = "hibernate.show_sql" & gt; सच & lt; / prop & gt; & Lt; prop key = "hibernate.hbm2ddl.auto" & gt; बनावट ड्रॉप & lt; / prop & gt; & Lt; / रंगमंच की सामग्री & gt; & Lt; / संपत्ति & gt; ... & lt; / बीन & gt;


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