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package in.shop2020.storage.bdb;
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package in.shop2020.storage.bdb;
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import in.shop2020.metamodel.core.Brand;
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import in.shop2020.metamodel.core.Entity;
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import in.shop2020.metamodel.core.Entity;
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import in.shop2020.metamodel.core.EntityState;
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import in.shop2020.metamodel.core.EntityState;
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import in.shop2020.metamodel.core.Helpdoc;
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import in.shop2020.metamodel.core.Helpdoc;
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import in.shop2020.util.Utils;
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import in.shop2020.util.Utils;
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import java.util.Collection;
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import java.util.Collection;
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import java.util.Map;
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import java.util.Map;
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import com.sleepycat.collections.TransactionRunner;
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import com.sleepycat.collections.TransactionRunner;
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import com.sleepycat.collections.TransactionWorker;
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import com.sleepycat.collections.TransactionWorker;
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 * Entry point for storing everything in berkley database. Singleton class which initialises the berkley database.
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 * Entry point for storing everything in berkley database. Singleton class which initialises the berkley database.
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 * @author rajveer
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 * @author rajveer
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 *
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 *
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 */
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 */
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public class StorageManager {
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public class StorageManager {
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    private final ContentDatabase db;
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    private final ContentDatabase db;
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    private final ContentViews views;
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    private final ContentViews views;
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    private final TransactionRunner txnRunner;
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    private final TransactionRunner txnRunner;
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    private static StorageManager storageUtils;
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    private static StorageManager storageUtils;
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    private static final String homeDir =  Utils.BERKELEY_DB_PATH;
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    private static final String homeDir =  Utils.BERKELEY_DB_PATH;
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    /**
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    /**
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     * Run the sample program.
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     * Run the sample program.
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     */
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     */
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    public static void main(String[] args) {
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    public static void main(String[] args) {
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        System.out.println("\nRunning sample: " + StorageManager.class);
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        System.out.println("\nRunning sample: " + StorageManager.class);
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        try {
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        try {
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        	Collection<Entity> entities=  StorageManager.getStorageManager().getEntitisByCategory(10002);
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        	Collection<Entity> entities=  StorageManager.getStorageManager().getEntitisByCategory(10002);
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        	for(Entity entity: entities){
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        	for(Entity entity: entities) {
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        		System.out.println(entity.getID());
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        		System.out.println(entity.getID());
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        	}
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        	}
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        	//StorageManager.getStorageManager().printEntitis(10002);
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        	//StorageManager.getStorageManager().printEntitis(10002);
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        } catch (Exception e) {
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        } catch (Exception e) {
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            // If an exception reaches this point, the last transaction did not
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            // If an exception reaches this point, the last transaction did not
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	    	Map states = views.getEntityMetadataMap();
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	    	Map states = views.getEntityMetadataMap();
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        	states.put(new Long(entityMetadata.getID()), entityMetadata);
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        	states.put(new Long(entityMetadata.getID()), entityMetadata);
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		}
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		}
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    }
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    }
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    /**
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     * Returns all brands from the database.
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     */
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    public Map<Long, Brand> getBrands() {
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        return views.getBrandMap();
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    }
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    /**
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     * Updates a given brand in the database.
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     */
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    public void updateBrand(Brand brand) {
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        Map<Long, Brand> states = views.getBrandMap();
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        states.put(new Long(brand.getID()), brand);
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    }
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    /**
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     * Returns a brand object given a id after looking it up from map
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     * of values loaded from database.
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     */
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    public Brand getBrand(long brandId) {
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        return views.getBrandMap().get(brandId);
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    }
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}
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}