Class DefaultDataSource

  • All Implemented Interfaces:
    java.sql.Wrapper, javax.sql.CommonDataSource, javax.sql.DataSource

    public class DefaultDataSource
    extends java.lang.Object
    implements javax.sql.DataSource
    A basic datasource that doesn't do any pooling but just wraps around default mechanisms.
    Author:
    Peter Donald
    • Constructor Summary

      Constructors 
      Constructor Description
      DefaultDataSource​(java.lang.String url, java.lang.String username, java.lang.String password)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.sql.Connection getConnection()
      Attempt to establish a database connection.
      java.sql.Connection getConnection​(java.lang.String username, java.lang.String password)
      Attempt to establish a database connection.
      int getLoginTimeout()
      Gets the maximum time in seconds that this data source can wait while attempting to connect to a database.
      java.io.PrintWriter getLogWriter()
      Get the log writer for this data source.
      java.util.logging.Logger getParentLogger()  
      boolean isWrapperFor​(java.lang.Class<?> iface)  
      void setLoginTimeout​(int loginTimeout)
      Sets the maximum time in seconds that this data source will wait while attempting to connect to a database.
      void setLogWriter​(java.io.PrintWriter logWriter)  
      <T> T unwrap​(java.lang.Class<T> iface)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface javax.sql.CommonDataSource

        createShardingKeyBuilder
      • Methods inherited from interface javax.sql.DataSource

        createConnectionBuilder
    • Field Detail

      • m_username

        private final java.lang.String m_username
      • m_password

        private final java.lang.String m_password
      • m_url

        private final java.lang.String m_url
      • m_logWriter

        private java.io.PrintWriter m_logWriter
      • m_loginTimeout

        private int m_loginTimeout
    • Constructor Detail

      • DefaultDataSource

        public DefaultDataSource​(java.lang.String url,
                                 java.lang.String username,
                                 java.lang.String password)
    • Method Detail

      • getConnection

        public java.sql.Connection getConnection()
                                          throws java.sql.SQLException
        Attempt to establish a database connection.
        Specified by:
        getConnection in interface javax.sql.DataSource
        Returns:
        the Connection
        Throws:
        java.sql.SQLException
      • getConnection

        public java.sql.Connection getConnection​(java.lang.String username,
                                                 java.lang.String password)
                                          throws java.sql.SQLException
        Attempt to establish a database connection.
        Specified by:
        getConnection in interface javax.sql.DataSource
        Returns:
        the Connection
        Throws:
        java.sql.SQLException
      • getLoginTimeout

        public int getLoginTimeout()
                            throws java.sql.SQLException
        Gets the maximum time in seconds that this data source can wait while attempting to connect to a database.
        Specified by:
        getLoginTimeout in interface javax.sql.CommonDataSource
        Specified by:
        getLoginTimeout in interface javax.sql.DataSource
        Returns:
        the login time
        Throws:
        java.sql.SQLException
      • getLogWriter

        public java.io.PrintWriter getLogWriter()
                                         throws java.sql.SQLException
        Get the log writer for this data source.
        Specified by:
        getLogWriter in interface javax.sql.CommonDataSource
        Specified by:
        getLogWriter in interface javax.sql.DataSource
        Returns:
        the LogWriter
        Throws:
        java.sql.SQLException
      • setLoginTimeout

        public void setLoginTimeout​(int loginTimeout)
                             throws java.sql.SQLException
        Sets the maximum time in seconds that this data source will wait while attempting to connect to a database.
        Specified by:
        setLoginTimeout in interface javax.sql.CommonDataSource
        Specified by:
        setLoginTimeout in interface javax.sql.DataSource
        Parameters:
        loginTimeout - the loging timeout in seconds
        Throws:
        java.sql.SQLException
      • setLogWriter

        public void setLogWriter​(java.io.PrintWriter logWriter)
                          throws java.sql.SQLException
        Specified by:
        setLogWriter in interface javax.sql.CommonDataSource
        Specified by:
        setLogWriter in interface javax.sql.DataSource
        Throws:
        java.sql.SQLException
      • isWrapperFor

        public boolean isWrapperFor​(java.lang.Class<?> iface)
        Specified by:
        isWrapperFor in interface java.sql.Wrapper
      • unwrap

        public <T> T unwrap​(java.lang.Class<T> iface)
        Specified by:
        unwrap in interface java.sql.Wrapper
      • getParentLogger

        public java.util.logging.Logger getParentLogger()
        Specified by:
        getParentLogger in interface javax.sql.CommonDataSource