forked from Coded/SIPRP
git-svn-id: https://svn.coded.pt/svn/SIPRP@1521 bb69d46d-e84e-40c8-a05a-06db0d633741
Diogo Neves
15 years ago
parent
72a08143c3
commit
58e860b8be
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/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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package db.providers;
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import com.evolute.entity.evo.EvoDataProvider;
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import com.evolute.utils.Singleton;
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import com.evolute.utils.db.DBException;
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import com.evolute.utils.db.DBManager;
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import com.evolute.utils.db.Executer;
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import com.evolute.utils.db.JDBCManager;
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import com.evolute.utils.db.keyretrievers.PostgresqlAutoKeyRetriever;
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import com.evolute.utils.jdbc.DBStatementExecuter;
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import com.evolute.utils.jdbc.StatementExecuterFactory;
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import com.evolute.utils.sql.Insert;
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import com.evolute.utils.sql.SQLQuery;
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import com.evolute.utils.strings.UnicodeChecker;
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import db.Db;
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/**
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*
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* @author dneves
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*/
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public class EvoBaseProvider
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{
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private static EvoBaseProvider INSTANCE = null;
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private EvoDataProvider providerInterface;
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private DBManager dbManager;
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private static final String DB_URL_FULL = "db.url.full";
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private EvoBaseProvider() throws DBException
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{
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init();
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}
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public static synchronized EvoBaseProvider getInstance() throws DBException
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{
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if ( INSTANCE == null )
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{
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INSTANCE = new EvoBaseProvider();
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}
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return INSTANCE;
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}
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private void init() throws DBException
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{
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System.out.println( "EvoBaseProvider . init() : " );
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Db db = new Db();
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String server = db.getServer();
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Integer port = db.getPort();
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String dbname = db.getDb_name();
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String username = db.getUser();
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String password = db.getPass();
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System.out.println( "\t" + server + " : " + port + " : " + dbname + " : " + username + " : " + password );
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init( server, port, dbname, username, password );
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}
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private void init( String dbServer, Integer dbPort, String dbName, String dbUsername, String dbPassword )
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throws DBException
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{
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String dbUrl = "jdbc:postgresql://" + dbServer + ":" + dbPort + "/" + dbName + "?prepareThreshold=2";
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Singleton.setInstance( DB_URL_FULL, dbUrl );
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createDBManager( dbUsername, dbPassword );
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initProviderConnection( dbUsername, dbPassword );
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}
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private void createDBManager( String username, String password )
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throws DBException
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{
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if( dbManager != null )
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{
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dbManager.close();
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}
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String dbUrl = ( String ) Singleton.getInstance( DB_URL_FULL );
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DBManager manager = new JDBCManager( dbUrl, username, password , 14, 7, 7, new SQLQuery[] { } );
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StatementExecuterFactory.initialize( new DBStatementExecuter( manager.getSharedExecuter( EvoBaseProvider.class ) ) );
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UnicodeChecker.setUseDoubleSlash( true );
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Insert.setDefaultKeyRetriever( PostgresqlAutoKeyRetriever.RETRIEVER );
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dbManager = manager;
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Singleton.setInstance( Singleton.DEFAULT_DBMANAGER, dbManager );
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}
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private void initProviderConnection( String username, String password )
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{
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String dbUrl = ( String ) Singleton.getInstance( DB_URL_FULL );
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providerInterface = EvoProviderFactory.createInstance( dbUrl, username, password );
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}
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public EvoDataProvider getProvider()
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{
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return providerInterface;
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}
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public DBManager getDbManager()
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{
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return dbManager;
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}
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public Executer getExecuter() throws DBException
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{
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return getExecuter( this );
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}
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private Executer getExecuter( Object clazz ) throws DBException
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{
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if ( getDbManager() == null )
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{
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init();
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}
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DBManager dbm = ( DBManager ) Singleton.getInstance( Singleton.DEFAULT_DBMANAGER );
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return dbm.getSharedExecuter( clazz );
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}
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}
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@ -0,0 +1,23 @@
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package db.providers;
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import com.evolute.entity.ProviderRegistry;
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import com.evolute.entity.evo.EvoDataProvider;
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import com.evolute.entity.evo.EvoDataProviderFactory;
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import com.evolute.entity.utils.ConnectionIdentity;
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import com.evolute.utils.Singleton;
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public class EvoProviderFactory
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{
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public static EvoDataProvider createInstance( String url, String user, String password )
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{
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ProviderRegistry.registerDefaultProviderFactory( new EvoDataProviderFactory() );
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ConnectionIdentity conn = new ConnectionIdentity( url, user );
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ProviderRegistry.registerDefaultConnection( conn );
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EvoDataProvider provider = ( EvoDataProvider ) ProviderRegistry.getDefaultProvider( conn );
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provider.setIsUsingCache( Boolean.FALSE );
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Singleton.setInstance( Singleton.DEFAULT_OBJECT_PROVIDER, provider );
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conn.setPassword( password );
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return provider;
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}
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}
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