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Added static, cache enabled, get method that uses currency ISO code as key.

This commit is contained in:
usrdno 2008-09-01 14:15:56 +00:00
parent 2c5b782c1c
commit 7ecf75273a
1 changed files with 55 additions and 1 deletions
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56
base/src/org/compiere/model/MCurrency.java
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@ -16,17 +16,22 @@
*****************************************************************************/
package org.compiere.model;
import java.sql.*;
import java.util.*;
import java.util.logging.Level;
import org.compiere.util.*;
/**
* Currency Model.
*
* @author Jorg Janke
* @version $Id: MCurrency.java,v 1.3 2006/07/30 00:54:54 jjanke Exp $
*/
public class MCurrency extends X_C_Currency
{
private static CLogger log = CLogger.getCLogger(MCurrency.class);
/**
* Currency Constructor
* @param ctx context
@ -45,6 +50,17 @@ public class MCurrency extends X_C_Currency
}
} // MCurrency
/**
* Resultset constructor
*
* @param ctx
* @param rs
* @param trxName
*/
public MCurrency(Properties ctx, ResultSet rs, String trxName) {
super(ctx, rs, trxName);
}
/**
* Currency Constructor
* @param ctx context
@ -71,6 +87,44 @@ public class MCurrency extends X_C_Currency
/** Store System Currencies **/
private static CCache<Integer,MCurrency> s_currencies = new CCache<Integer,MCurrency>("C_Currency", 50);
/** Cache System Currencies by using ISO code as key **/
private static CCache<String,MCurrency> s_currenciesISO = new CCache<String,MCurrency>("C_Currency", 50);
/**
* Get Currency using ISO code
* @param ctx Context
* @param ISOcode Iso code
* @return MCurrency
*/
public static MCurrency get (Properties ctx, String ISOcode)
{
// Try Cache
MCurrency retValue = (MCurrency)s_currenciesISO.get(ISOcode);
if (retValue != null)
return retValue;
// Try database
try {
Connection conn = DB.createConnection(true, true, Connection.TRANSACTION_READ_COMMITTED);
PreparedStatement ps = conn.prepareStatement("select * from c_currency where iso_code=?");
ps.setString(1, ISOcode);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
retValue = new MCurrency(ctx, rs, null);
}
rs.close();
ps.close();
conn.close();
} catch (Exception ee) {
log.log(Level.WARNING, ee.getMessage(), ee);
}
// Save
if (retValue!=null)
s_currenciesISO.put(ISOcode, retValue);
return retValue;
}
/**
* Get Currency