📄 cache.java
字号:
package app16a.util;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
public class Cache {
private static Cache instance;
private DataSource dataSource;
static {
instance = new Cache();
}
private Cache () {
Context context = null;
try {
context = new InitialContext();
dataSource = (DataSource) context.lookup("java:/comp/env/jdbc/myDataSource");
}
catch (NamingException e) {
System.out.println(e.toString());
}
}
public static Cache getInstance() {
return instance;
}
public DataSource getDataSource() {
return dataSource;
}
}
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