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Postgres FD Implementation
Commit d2e27b06 authored by Bruce Momjian's avatar Bruce Momjian
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pgjindent jdbc files. First time jdbc files were formatted.

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src/interfaces/jdbc/example/Unicode.java
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src/interfaces/jdbc/example/basic.java
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src/interfaces/jdbc/example/blobtest.java
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src/interfaces/jdbc/example/corba/StockDB.java
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......@@ -13,105 +13,122 @@ import java.sql.*;
* that an object could be changed by another client, and we need to ensure that
* the returned data is live and accurate.
*
* $Id: StockDB.java,v 1.2 2000/04/26 05:32:01 peter Exp $
* $Id: StockDB.java,v 1.3 2001/10/25 05:59:58 momjian Exp $
*/
public class StockDB
{
Connection con;
Statement st;
// the current stock number
int id = -1;
public void connect(String url,String usr,String pwd) throws Exception {
Class.forName("org.postgresql.Driver");
System.out.println("Connecting to "+url);
con = DriverManager.getConnection(url,usr,pwd);
st = con.createStatement();
}
public void closeConnection() throws Exception {
con.close();
}
public void fetchItem(int id) throws Exception {
this.id = id;
}
public int newItem() throws Exception {
// tba
return -1;
}
public String getDescription() throws SQLException {
ResultSet rs = st.executeQuery("select description from stock where id="+id);
if(rs!=null) {
rs.next();
String s = rs.getString(1);
rs.close();
return s;
Connection con;
Statement st;
// the current stock number
int id = -1;
public void connect(String url, String usr, String pwd) throws Exception
{
Class.forName("org.postgresql.Driver");
System.out.println("Connecting to " + url);
con = DriverManager.getConnection(url, usr, pwd);
st = con.createStatement();
}
throw new SQLException("No ResultSet");
}
public int getAvailable() throws SQLException {
ResultSet rs = st.executeQuery("select avail from stock where id="+id);
if(rs!=null) {
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
public void closeConnection() throws Exception
{
con.close();
}
throw new SQLException("No ResultSet");
}
public int getOrdered() throws SQLException {
ResultSet rs = st.executeQuery("select ordered from stock where id="+id);
if(rs!=null) {
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
public void fetchItem(int id) throws Exception
{
this.id = id;
}
throw new SQLException("No ResultSet");
}
public boolean isItemValid() throws SQLException {
ResultSet rs = st.executeQuery("select valid from stock where id="+id);
if(rs!=null) {
rs.next();
boolean b = rs.getBoolean(1);
rs.close();
return b;
public int newItem() throws Exception
{
// tba
return -1;
}
throw new SQLException("No ResultSet");
}
public void addNewStock(int amount) throws SQLException {
st.executeUpdate("update stock set avail=avail+"+amount+
", ordered=ordered-"+amount+
" where id="+id+" and ordered>="+amount);
}
public void removeStock(int amount) throws SQLException {
st.executeUpdate("update stock set avail=avail-"+amount+
" where id="+id);
}
public void orderStock(int amount) throws SQLException {
st.executeUpdate("update stock set ordered=ordered+"+amount+
" where id="+id);
}
public int getLastID() throws SQLException {
ResultSet rs = st.executeQuery("select max(id) from stock");
if(rs!=null) {
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
public String getDescription() throws SQLException
{
ResultSet rs = st.executeQuery("select description from stock where id=" + id);
if (rs != null)
{
rs.next();
String s = rs.getString(1);
rs.close();
return s;
}
throw new SQLException("No ResultSet");
}
throw new SQLException("No ResultSet");
}
public int getAvailable() throws SQLException
{
ResultSet rs = st.executeQuery("select avail from stock where id=" + id);
if (rs != null)
{
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
}
throw new SQLException("No ResultSet");
}
public int getOrdered() throws SQLException
{
ResultSet rs = st.executeQuery("select ordered from stock where id=" + id);
if (rs != null)
{
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
}
throw new SQLException("No ResultSet");
}
public boolean isItemValid() throws SQLException
{
ResultSet rs = st.executeQuery("select valid from stock where id=" + id);
if (rs != null)
{
rs.next();
boolean b = rs.getBoolean(1);
rs.close();
return b;
}
throw new SQLException("No ResultSet");
}
public void addNewStock(int amount) throws SQLException
{
st.executeUpdate("update stock set avail=avail+" + amount +
", ordered=ordered-" + amount +
" where id=" + id + " and ordered>=" + amount);
}
public void removeStock(int amount) throws SQLException
{
st.executeUpdate("update stock set avail=avail-" + amount +
" where id=" + id);
}
public void orderStock(int amount) throws SQLException
{
st.executeUpdate("update stock set ordered=ordered+" + amount +
" where id=" + id);
}
public int getLastID() throws SQLException
{
ResultSet rs = st.executeQuery("select max(id) from stock");
if (rs != null)
{
rs.next();
int v = rs.getInt(1);
rs.close();
return v;
}
throw new SQLException("No ResultSet");
}
}
src/interfaces/jdbc/example/corba/StockDispenserImpl.java
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......@@ -5,79 +5,88 @@ import org.omg.CosNaming.*;
/**
* This class implements the server side of the example.
*
* $Id: StockDispenserImpl.java,v 1.1 1999/01/25 21:22:03 scrappy Exp $
* $Id: StockDispenserImpl.java,v 1.2 2001/10/25 05:59:58 momjian Exp $
*/
public class StockDispenserImpl extends stock._StockDispenserImplBase
{
private int maxObjects = 10;
private int numObjects = 0;
private StockItemStatus[] stock = new StockItemStatus[maxObjects];
public StockDispenserImpl(String[] args,String name,int num)
{
super();
try {
// get reference to orb
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);
// prestart num objects
if(num>=maxObjects)
num=maxObjects;
numObjects = num;
for(int i=0;i<numObjects;i++) {
stock[i] = new StockItemStatus();
stock[i].ref = new StockItemImpl(args,"StockItem"+(i+1));
orb.connect(stock[i].ref);
}
} catch(org.omg.CORBA.SystemException e) {
e.printStackTrace();
private int maxObjects = 10;
private int numObjects = 0;
private StockItemStatus[] stock = new StockItemStatus[maxObjects];
public StockDispenserImpl(String[] args, String name, int num)
{
super();
try
{
// get reference to orb
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
// prestart num objects
if (num >= maxObjects)
num = maxObjects;
numObjects = num;
for (int i = 0;i < numObjects;i++)
{
stock[i] = new StockItemStatus();
stock[i].ref = new StockItemImpl(args, "StockItem" + (i + 1));
orb.connect(stock[i].ref);
}
}
catch (org.omg.CORBA.SystemException e)
{
e.printStackTrace();
}
}
}
/**
* This method, defined in stock.idl, reserves a slot in the dispenser
*/
public stock.StockItem reserveItem() throws stock.StockException
{
for(int i=0;i<numObjects;i++) {
if(!stock[i].inUse) {
stock[i].inUse = true;
System.out.println("Reserving slot "+i);
return stock[i].ref;
}
/**
* This method, defined in stock.idl, reserves a slot in the dispenser
*/
public stock.StockItem reserveItem() throws stock.StockException
{
for (int i = 0;i < numObjects;i++)
{
if (!stock[i].inUse)
{
stock[i].inUse = true;
System.out.println("Reserving slot " + i);
return stock[i].ref;
}
}
return null;
}
return null;
}
/**
* This releases a slot from the dispenser
*/
public void releaseItem(stock.StockItem item) throws stock.StockException
{
for(int i=0;i<numObjects;i++) {
if(stock[i].ref.getInstanceName().equals(item.getInstanceName())) {
stock[i].inUse = false;
System.out.println("Releasing slot "+i);
return;
}
/**
* This releases a slot from the dispenser
*/
public void releaseItem(stock.StockItem item) throws stock.StockException
{
for (int i = 0;i < numObjects;i++)
{
if (stock[i].ref.getInstanceName().equals(item.getInstanceName()))
{
stock[i].inUse = false;
System.out.println("Releasing slot " + i);
return ;
}
}
System.out.println("Reserved object not a member of this dispenser");
return ;
}
System.out.println("Reserved object not a member of this dispenser");
return;
}
/**
* This class defines a slot in the dispenser
*/
class StockItemStatus
{
StockItemImpl ref;
boolean inUse;
StockItemStatus() {
ref = null;
inUse = false;
/**
* This class defines a slot in the dispenser
*/
class StockItemStatus
{
StockItemImpl ref;
boolean inUse;
StockItemStatus()
{
ref = null;
inUse = false;
}
}
}
}
src/interfaces/jdbc/example/corba/StockItemImpl.java
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......@@ -5,159 +5,204 @@ import org.omg.CosNaming.*;
/**
* This class implements the server side of the example.
*
* $Id: StockItemImpl.java,v 1.1 1999/01/25 21:22:04 scrappy Exp $
* $Id: StockItemImpl.java,v 1.2 2001/10/25 05:59:58 momjian Exp $
*/
public class StockItemImpl extends stock._StockItemImplBase
{
private StockDB db;
private String instanceName;
public StockItemImpl(String[] args,String iname) {
super();
try {
db =new StockDB();
db.connect(args[1],args[2],args[3]);
System.out.println("StockDB object "+iname+" created");
instanceName = iname;
} catch(Exception e) {
e.printStackTrace();
private StockDB db;
private String instanceName;
public StockItemImpl(String[] args, String iname)
{
super();
try
{
db = new StockDB();
db.connect(args[1], args[2], args[3]);
System.out.println("StockDB object " + iname + " created");
instanceName = iname;
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
/**
* This is defined in stock.idl
*
* It sets the item to view
*/
public void fetchItem(int id) throws stock.StockException {
try {
db.fetchItem(id);
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It sets the item to view
*/
public void fetchItem(int id) throws stock.StockException
{
try
{
db.fetchItem(id);
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It sets the item to view
*/
public int newItem() throws stock.StockException {
try {
return db.newItem();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It sets the item to view
*/
public int newItem() throws stock.StockException
{
try
{
return db.newItem();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public String getDescription() throws stock.StockException {
try {
return db.getDescription();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public String getDescription() throws stock.StockException
{
try
{
return db.getDescription();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public int getAvailable() throws stock.StockException {
try {
return db.getAvailable();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public int getAvailable() throws stock.StockException
{
try
{
return db.getAvailable();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public int getOrdered() throws stock.StockException {
try {
return db.getOrdered();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public int getOrdered() throws stock.StockException
{
try
{
return db.getOrdered();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public boolean isItemValid() throws stock.StockException {
try {
return db.isItemValid();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public boolean isItemValid() throws stock.StockException
{
try
{
return db.isItemValid();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void addNewStock(int id) throws stock.StockException {
try {
db.addNewStock(id);
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void addNewStock(int id) throws stock.StockException
{
try
{
db.addNewStock(id);
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void removeStock(int id) throws stock.StockException {
try {
db.removeStock(id);
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void removeStock(int id) throws stock.StockException
{
try
{
db.removeStock(id);
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void orderStock(int id) throws stock.StockException {
try {
db.orderStock(id);
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This is defined in stock.idl
*
* It returns the description of a Stock item
*/
public void orderStock(int id) throws stock.StockException
{
try
{
db.orderStock(id);
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
}
/**
* This returns the highest id used, hence the number of items available
*/
public int getLastID() throws stock.StockException {
try {
return db.getLastID();
} catch(Exception e) {
throw new stock.StockException(e.toString());
/**
* This returns the highest id used, hence the number of items available
*/
public int getLastID() throws stock.StockException
{
try
{
return db.getLastID();
}
catch (Exception e)
{
throw new stock.StockException(e.toString());
}
}
/**
* This is used by our Dispenser
*/
public String getInstanceName()
{
return instanceName;
}
}
/**
* This is used by our Dispenser
*/
public String getInstanceName() {
return instanceName;
}
}
src/interfaces/jdbc/example/corba/StockServer.java
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......@@ -5,49 +5,54 @@ import org.omg.CosNaming.*;
/**
* This class implements the server side of the example.
*
* $Id: StockServer.java,v 1.1 1999/01/25 21:22:04 scrappy Exp $
* $Id: StockServer.java,v 1.2 2001/10/25 05:59:58 momjian Exp $
*/
public class StockServer
{
public static void main(String[] args)
{
int numInstances = 3;
try {
// Initialise the ORB
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);
// Create the StockDispenser object
StockDispenserImpl dispenser = new StockDispenserImpl(args,"Stock Dispenser",numInstances);
// Export the new object
orb.connect(dispenser);
// Get the naming service
org.omg.CORBA.Object nameServiceObj = orb.resolve_initial_references("NameService");
if(nameServiceObj == null) {
System.err.println("nameServiceObj = null");
return;
}
org.omg.CosNaming.NamingContext nameService = org.omg.CosNaming.NamingContextHelper.narrow(nameServiceObj);
if(nameService == null) {
System.err.println("nameService = null");
return;
}
// bind the dispenser into the naming service
NameComponent[] dispenserName = {
new NameComponent("StockDispenser","Stock")
};
nameService.rebind(dispenserName,dispenser);
// Now wait forever for the current thread to die
Thread.currentThread().join();
} catch(Exception e) {
e.printStackTrace();
public static void main(String[] args)
{
int numInstances = 3;
try
{
// Initialise the ORB
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
// Create the StockDispenser object
StockDispenserImpl dispenser = new StockDispenserImpl(args, "Stock Dispenser", numInstances);
// Export the new object
orb.connect(dispenser);
// Get the naming service
org.omg.CORBA.Object nameServiceObj = orb.resolve_initial_references("NameService");
if (nameServiceObj == null)
{
System.err.println("nameServiceObj = null");
return ;
}
org.omg.CosNaming.NamingContext nameService = org.omg.CosNaming.NamingContextHelper.narrow(nameServiceObj);
if (nameService == null)
{
System.err.println("nameService = null");
return ;
}
// bind the dispenser into the naming service
NameComponent[] dispenserName = {
new NameComponent("StockDispenser", "Stock")
};
nameService.rebind(dispenserName, dispenser);
// Now wait forever for the current thread to die
Thread.currentThread().join();
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
}
src/interfaces/jdbc/example/datestyle.java
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src/interfaces/jdbc/example/metadata.java
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src/interfaces/jdbc/example/psql.java
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src/interfaces/jdbc/example/threadsafe.java
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src/interfaces/jdbc/utils/CheckVersion.java
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