Example usage for javax.sql.rowset JoinRowSet close

Introduction

In this page you can find the example usage for javax.sql.rowset JoinRowSet close.

Prototype

void close() throws SQLException;

Source Link

Document

Releases this ResultSet object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.

Usage

From source file:com.oracle.tutorial.jdbc.JoinSample.java

public void testJoinRowSet(String supplierName) throws SQLException {

    CachedRowSet coffees = null;/*from  w  w w. ja  va2  s  .co m*/
    CachedRowSet suppliers = null;
    JoinRowSet jrs = null;

    try {
        coffees = new CachedRowSetImpl();
        coffees.setCommand("SELECT * FROM COFFEES");
        coffees.setUsername(settings.userName);
        coffees.setPassword(settings.password);
        coffees.setUrl(settings.urlString);
        coffees.execute();

        suppliers = new CachedRowSetImpl();
        suppliers.setCommand("SELECT * FROM SUPPLIERS");
        suppliers.setUsername(settings.userName);
        suppliers.setPassword(settings.password);
        suppliers.setUrl(settings.urlString);
        suppliers.execute();

        jrs = new JoinRowSetImpl();
        jrs.addRowSet(coffees, "SUP_ID");
        jrs.addRowSet(suppliers, "SUP_ID");

        System.out.println("Coffees bought from " + supplierName + ": ");
        while (jrs.next()) {
            if (jrs.getString("SUP_NAME").equals(supplierName)) {
                String coffeeName = jrs.getString(1);
                System.out.println("     " + coffeeName);
            }
        }
    } catch (SQLException e) {
        JDBCTutorialUtilities.printSQLException(e);
    } finally {
        if (jrs != null) {
            jrs.close();
        }
        if (suppliers != null) {
            suppliers.close();
        }
        if (coffees != null) {
            coffees.close();
        }
    }
}

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