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Diffstat (limited to 'odk/examples/DevelopersGuide/Database/Sales.java')
-rw-r--r-- | odk/examples/DevelopersGuide/Database/Sales.java | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Database/Sales.java b/odk/examples/DevelopersGuide/Database/Sales.java new file mode 100644 index 000000000000..efa3422e21f2 --- /dev/null +++ b/odk/examples/DevelopersGuide/Database/Sales.java @@ -0,0 +1,250 @@ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * the BSD license. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************/ + +import java.io.*; + +// import com.sun.star.comp.helper.RegistryServiceFactory; +// import com.sun.star.comp.servicemanager.ServiceManager; +// import com.sun.star.lang.XMultiServiceFactory; +// import com.sun.star.lang.XServiceInfo; +import com.sun.star.lang.XComponent; +// import com.sun.star.bridge.XUnoUrlResolver; +import com.sun.star.uno.*; +import com.sun.star.util.Date; +import com.sun.star.beans.XPropertySet; +import com.sun.star.container.XNameAccess; +import com.sun.star.sdbc.*; + +public class Sales +{ + private XConnection con; + + public Sales(XConnection connection ) + { + con = connection; + } + // create the table sales. + public void createSalesTable() throws com.sun.star.uno.Exception + { + String createTableSales = "CREATE TABLE SALES " + + "(SALENR INTEGER NOT NULL, " + + " COS_NR INTEGER, " + + " SNR INTEGER, " + + " NAME VARCHAR(50)," + + " SALEDATE DATE," + + " PRICE FLOAT(10), " + + " PRIMARY KEY(SALENR)" + + " )"; + XStatement stmt = con.createStatement(); + stmt.executeUpdate( createTableSales ); + } + + // drop the table sales. + public void dropSalesTable() throws com.sun.star.uno.Exception + { + String createTableSalesman = "DROP TABLE SALES "; + XStatement stmt = con.createStatement(); + stmt.executeUpdate( createTableSalesman ); + } + + // insert data into the table sales. + public void insertDataIntoSales() throws com.sun.star.uno.Exception + { + XStatement stmt = con.createStatement(); + stmt.executeUpdate("INSERT INTO SALES " + + "VALUES (1, '100', '1','Linux','2001-02-12',15)"); + stmt.executeUpdate("INSERT INTO SALES " + + "VALUES (2, '101', '2','Beef','2001-10-18',15.78)"); + stmt.executeUpdate("INSERT INTO SALES " + + "VALUES (3, '104', '4','orange juice','2001-08-09',1.5)"); + } + + // update the table sales with a prepared statement. + public void updateSales() throws com.sun.star.uno.Exception + { + XStatement stmt = con.createStatement(); + String updateString = "UPDATE SALES " + + "SET PRICE = 30 " + + "WHERE SALENR = 1"; + stmt.executeUpdate(updateString); + } + + // retrieve the data of the table sales. + public void retrieveSalesData() throws com.sun.star.uno.Exception + { + XStatement stmt = con.createStatement(); + String query = "SELECT NAME, PRICE FROM SALES " + + "WHERE SALENR = 1"; + XResultSet rs = stmt.executeQuery(query); + XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs); + while (rs.next()) { + String s = row.getString(1); + float n = row.getFloat(2); + System.out.println("The current price for " + s + " is: $" + n + "."); + } + } + + // create a scrollable resultset. + public void retrieveSalesData2() throws com.sun.star.uno.Exception + { + // example for a programmatic way to do updates. This doesn't work with adabas. + XStatement stmt = con.createStatement(); + XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt); + + xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE)); + xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE)); + + XResultSet srs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES"); + XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,srs); + + srs.afterLast(); + while (srs.previous()) { + String name = row.getString(1); + float price = row.getFloat(2); + System.out.println(name + " " + price); + } + + srs.last(); + XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,srs); + updateRow.updateFloat(2, (float)0.69); + + XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime.queryInterface( + XResultSetUpdate.class,srs); + updateRs.updateRow(); // this call updates the data in DBMS + + srs.last(); + updateRow.updateFloat(2, (float)0.99); + updateRs.cancelRowUpdates(); + updateRow.updateFloat(2, (float)0.79); + updateRs.updateRow(); + } + + // inserts a row programmatically. + public void insertRow() throws com.sun.star.uno.Exception + { + // example for a programmatic way to do updates. This doesn't work with adabas. + XStatement stmt = con.createStatement(); +// stmt.executeUpdate("INSERT INTO SALES " + +// "VALUES (4, 102, 5, 'FTOP Darjeeling tea', '2002-01-02',150)"); +// +// stmt = con.createStatement(); + XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt); + xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE)); + xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE)); + XResultSet rs = stmt.executeQuery("SELECT * FROM SALES"); + XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs); + + // insert a new row + XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs); + XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs); + updateRs.moveToInsertRow(); + updateRow.updateInt(1, 4); + updateRow.updateInt(2, 102); + updateRow.updateInt(3, 5); + updateRow.updateString(4, "FTOP Darjeeling tea"); + updateRow.updateDate(5, new Date((short)1,(short)2,(short)2002)); + updateRow.updateFloat(6, 150); + updateRs.insertRow(); + } + + // deletes a row programmatically. + public void deleteRow() throws com.sun.star.uno.Exception + { + // example for a programmatic way to do updates. This doesn't work with adabas. + XStatement stmt = con.createStatement(); + XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt); + xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE)); + xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE)); + XResultSet rs = stmt.executeQuery("SELECT * FROM SALES"); + XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs); + + XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs); + // move to the inserted row + rs.absolute(4); + updateRs.deleteRow(); + } + + // refresh a row + public void refreshRow() throws com.sun.star.uno.Exception + { + // example for a programmatic way to do updates. This doesn't work with adabas. + // first we need the 4 row + insertRow(); + + XStatement stmt = con.createStatement(); + XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt); + xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE)); + xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY)); + XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES"); + XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs); + rs.absolute(4); + float price1 = row.getFloat(2); + + // modifiy the 4 row + XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs); + XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs); + updateRow.updateFloat(2, 150); + updateRs.updateRow(); + // repositioning + rs.absolute(4); + rs.refreshRow(); + float price2 = row.getFloat(2); + if (price2 != price1) { + System.out.println("Prices are different."); + } + else + System.out.println("Prices are equal."); + deleteRow(); + } + + // displays the column names + public void displayColumnNames() throws com.sun.star.uno.Exception + { + XStatement stmt = con.createStatement(); + XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt); + xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE)); + xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY)); + XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES"); + XResultSetMetaDataSupplier xRsMetaSup = (XResultSetMetaDataSupplier) + UnoRuntime.queryInterface(XResultSetMetaDataSupplier.class,rs); + XResultSetMetaData xRsMetaData = xRsMetaSup.getMetaData(); + int nColumnCount = xRsMetaData.getColumnCount(); + for(int i=1 ; i <= nColumnCount ; ++i) + { + System.out.println("Name: " + xRsMetaData.getColumnName(i) + " Type: " + + xRsMetaData.getColumnType(i)); + } + } +} + |