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Added methods to collect the count of the number of entries for each …
…service in the datastore. Implemented the counts methods for the morphia service. Added a wait dialog to display when the database is being loaded via the web UI. Modified the Loader to return the number of customers that were loaded and how long the load process took. Added a ConnectionManager for the mongo/morphia service.
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84 changes: 84 additions & 0 deletions
84
...vices-morphia/src/main/java/com/acmeair/morphia/services/util/MongoConnectionManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package com.acmeair.morphia.services.util; | ||
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| import java.util.concurrent.atomic.AtomicReference; | ||
| import java.util.logging.Logger; | ||
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| import javax.naming.InitialContext; | ||
| import javax.naming.NamingException; | ||
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| import com.acmeair.morphia.MorphiaConstants; | ||
| import com.github.jmkgreen.morphia.Datastore; | ||
| import com.github.jmkgreen.morphia.Morphia; | ||
| import com.mongodb.DB; | ||
| import com.mongodb.MongoClient; | ||
| import com.mongodb.ServerAddress; | ||
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| public class MongoConnectionManager implements MorphiaConstants{ | ||
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| private static AtomicReference<MongoConnectionManager> connectionManager = new AtomicReference<MongoConnectionManager>(); | ||
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| private final static Logger logger = Logger.getLogger(MongoConnectionManager.class.getName()); | ||
| protected DB db; | ||
| protected MongoClient mongo; | ||
| protected Datastore datastore; | ||
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| public static MongoConnectionManager getConnectionManager() { | ||
| if (connectionManager.get() == null) { | ||
| synchronized (connectionManager) { | ||
| if (connectionManager.get() == null) { | ||
| connectionManager.set(new MongoConnectionManager()); | ||
| } | ||
| } | ||
| } | ||
| return connectionManager.get(); | ||
| } | ||
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| private MongoConnectionManager (){ | ||
| if(db == null){ | ||
| try { | ||
| db = (DB) new InitialContext().lookup(JNDI_NAME); | ||
| } catch (NamingException e) { | ||
| logger.severe("Caught NamingException : " + e.getMessage() ); | ||
| } | ||
| } | ||
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| if(db == null){ | ||
| String host; | ||
| String port; | ||
| String database; | ||
| logger.fine("Creating the MongoDB Client connection. Looking up host and port information " ); | ||
| try { | ||
| host = (String) new InitialContext().lookup(HOSTNAME); | ||
| port = (String) new InitialContext().lookup(PORT); | ||
| database = (String) new InitialContext().lookup(DATABASE); | ||
| ServerAddress server = new ServerAddress(host, Integer.parseInt(port)); | ||
| MongoClient mongo = new MongoClient(server); | ||
| db = mongo.getDB(database); | ||
| } catch (NamingException e) { | ||
| logger.severe("Caught NamingException : " + e.getMessage() ); | ||
| } catch (Exception e) { | ||
| logger.severe("Caught Exception : " + e.getMessage() ); | ||
| } | ||
| } | ||
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| if(db == null){ | ||
| logger.severe("Unable to retreive reference to database, please check the server logs."); | ||
| } else { | ||
| Morphia morphia = new Morphia(); | ||
| datastore = morphia.createDatastore(db.getMongo(), db.getName()); | ||
| } | ||
| } | ||
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| public DB getDB(){ | ||
| return db; | ||
| } | ||
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| public Datastore getDatastore(){ | ||
| return datastore; | ||
| } | ||
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| public void close(){ | ||
| mongo.close(); | ||
| } | ||
| } |
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