package org.theonefx.wcframework.jdbc.datasource; import java.sql.Connection; import javax.sql.DataSource; /** * Extension of the <code>javax.sql.DataSource</code> interface, to be * implemented by special DataSources that return JDBC Connections * in an unwrapped fashion. * * <p>Classes using this interface can query whether or not the Connection * should be closed after an operation. Spring's DataSourceUtils and * JdbcTemplate classes automatically perform such a check. */ public interface SmartDataSource extends DataSource { /** * Should we close this Connection, obtained from this DataSource? * <p>Code that uses Connections from a SmartDataSource should always * perform a check via this method before invoking <code>close()</code>. * <p>Note that the JdbcTemplate class in the 'jdbc.core' package takes care of * releasing JDBC Connections, freeing application code of this responsibility. * @param con the Connection to check * @return whether the given Connection should be closed * @see java.sql.Connection#close() */ boolean shouldClose(Connection con); }