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java.lang.Objectorg.cocome.tradingsystem.testdriver.DBManager
public class DBManager
Supporting singleton for managing the database.
Field Summary | |
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private javax.persistence.EntityManagerFactory |
emf
The entity manager factory used here. |
private static DBManager |
instance
The single instance of this manager. |
private org.cocome.tradingsystem.inventory.data.store.StoreQueryIf |
storeQuery
The object used for querying stores |
Constructor Summary | |
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private |
DBManager()
Hidden constructor. |
Method Summary | |
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org.cocome.tradingsystem.inventory.data.persistence.PersistenceContext |
createPersistenceContext()
Creates a new persistence context, used e.g. for queries. |
static DBManager |
getInstance()
Returns the single instance of this manager. |
org.cocome.tradingsystem.inventory.data.store.StoreQueryIf |
getStoreQuery()
Return the store query object. |
void |
persistDBObject(java.lang.Object dbObject)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private final javax.persistence.EntityManagerFactory emf
private final org.cocome.tradingsystem.inventory.data.store.StoreQueryIf storeQuery
private static DBManager instance
Constructor Detail |
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private DBManager()
Method Detail |
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public static DBManager getInstance()
public void persistDBObject(java.lang.Object dbObject)
public org.cocome.tradingsystem.inventory.data.store.StoreQueryIf getStoreQuery()
public org.cocome.tradingsystem.inventory.data.persistence.PersistenceContext createPersistenceContext()
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