1 files changed, 382 insertions, 0 deletions
diff --git a/java/demo/Database/library/BookI.java b/java/demo/Database/library/BookI.java
new file mode 100644
index 00000000000..5176584b3cf
--- /dev/null
+++ b/java/demo/Database/library/BookI.java
@@ -0,0 +1,382 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+import Demo.*;
+
+//
+// This servant is a default servant. The book identity is retrieved
+// from the Ice.Current object.
+//
+class BookI extends _BookDisp
+{
+    public void
+    ice_ping(Ice.Current current)
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("SELECT * FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            java.sql.ResultSet rs = stmt.executeQuery();
+            if(!rs.next())
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public BookDescription
+    describe(Ice.Current current)
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("SELECT * FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            java.sql.ResultSet rs = stmt.executeQuery();
+            if(!rs.next())
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+            return extractDescription(context, rs, current.adapter);
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public void
+    setTitle(String title, Ice.Current current)
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("UPDATE books SET title = ? WHERE id = ?");
+            stmt.setString(1, title);
+            stmt.setInt(2, id);
+            int count = stmt.executeUpdate();
+            assert count == 1;
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public void
+    setAuthors(java.util.List<String> authors, Ice.Current current)
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            // First destroy each of the authors_books records.
+            java.sql.PreparedStatement stmt = context.prepareStatement("DELETE FROM authors_books WHERE book_id = ?");
+            stmt.setInt(1, id);
+            stmt.executeUpdate();
+
+            //
+            // Convert the authors string to an id set.
+            //
+            java.util.List<Integer> authIds = new java.util.LinkedList<Integer>();
+            java.util.Iterator<String> p = authors.iterator();
+            while(p.hasNext())
+            {
+                String author = p.next();
+
+                Integer authid;
+                stmt = context.prepareStatement("SELECT * FROM authors WHERE name = ?");
+                stmt.setString(1, author);
+                java.sql.ResultSet rs = stmt.executeQuery();
+                if(rs.next())
+                {
+                    // If there is a result, then the database
+                    // already contains this author.
+                    authid = rs.getInt(1);
+                    assert !rs.next();
+                }
+                else
+                {
+                    // Otherwise, create a new author record.
+                    stmt = context.prepareStatement("INSERT INTO authors (name) VALUES(?)",
+                                                    java.sql.Statement.RETURN_GENERATED_KEYS);
+                    stmt.setString(1, author);
+                    int count = stmt.executeUpdate();
+                    assert count == 1;
+                    rs = stmt.getGeneratedKeys();
+                    boolean next = rs.next();
+                    assert next;
+                    authid = rs.getInt(1);
+                }
+
+                // Add the new id to the list of ids.
+                authIds.add(authid);
+            }
+
+            // Create new authors_books records.
+            java.util.Iterator<Integer> q = authIds.iterator();
+            while(q.hasNext())
+            {
+                stmt = context.prepareStatement("INSERT INTO authors_books (book_id, author_id) VALUES(?, ?)");
+                stmt.setInt(1, id);
+                stmt.setInt(2, q.next());
+                int count = stmt.executeUpdate();
+                assert count == 1;
+            }
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public void
+    destroy(Ice.Current current)
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("DELETE FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            int count = stmt.executeUpdate();
+            if(count == 0)
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public String
+    getRenter(Ice.Current current)
+        throws BookNotRentedException
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("SELECT * FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            java.sql.ResultSet rs = stmt.executeQuery();
+            if(!rs.next())
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+
+            int renterId = rs.getInt("renter_id");
+            if(rs.wasNull())
+            {
+                throw new BookNotRentedException();
+            }
+
+            stmt = context.prepareStatement("SELECT * FROM customers WHERE id = ?");
+            stmt.setInt(1, renterId);
+            rs = stmt.executeQuery();
+            boolean next = rs.next();
+            assert next;
+            return rs.getString("name");
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public void
+    rentBook(String name, Ice.Current current)
+        throws InvalidCustomerException, BookRentedException
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+        name = name.trim();
+        if(name.length() == 0)
+        {
+            throw new InvalidCustomerException();
+        }
+
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("SELECT * FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            java.sql.ResultSet rs = stmt.executeQuery();
+            if(!rs.next())
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+
+            Integer renterId = rs.getInt("renter_id");
+            if(!rs.wasNull())
+            {
+                stmt = context.prepareStatement("SELECT * FROM customers WHERE id = ?");
+                stmt.setInt(1, renterId);
+                rs = stmt.executeQuery();
+                boolean next = rs.next();
+                assert next;
+                throw new BookRentedException(rs.getString("name"));
+            }
+
+            stmt = context.prepareStatement("SELECT * FROM customers WHERE name = ?");
+            stmt.setString(1, name);
+            rs = stmt.executeQuery();
+
+            if(rs.next())
+            {
+                renterId = rs.getInt("id");
+                assert !rs.next();
+            }
+            else
+            {
+                stmt = context.prepareStatement("INSERT into customers (name) VALUES(?)",
+                                                java.sql.Statement.RETURN_GENERATED_KEYS);
+                stmt.setString(1, name);
+                int count = stmt.executeUpdate();
+                assert count == 1;
+                rs = stmt.getGeneratedKeys();
+                boolean next = rs.next();
+                assert next;
+                renterId = rs.getInt(1);
+            }
+
+            stmt = context.prepareStatement("UPDATE books SET renter_id = ? WHERE id = ?");
+            stmt.setInt(1, renterId);
+            stmt.setInt(2, id);
+            int count = stmt.executeUpdate();
+            assert count == 1;
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    public void
+    returnBook(Ice.Current current)
+        throws BookNotRentedException
+    {
+        SQLRequestContext context = SQLRequestContext.getCurrentContext();
+        assert context != null;
+        Integer id = new Integer(current.id.name);
+        try
+        {
+            java.sql.PreparedStatement stmt = context.prepareStatement("SELECT * FROM books WHERE id = ?");
+            stmt.setInt(1, id);
+            java.sql.ResultSet rs = stmt.executeQuery();
+            if(!rs.next())
+            {
+                throw new Ice.ObjectNotExistException();
+            }
+            Integer renterId = rs.getInt("renter_id");
+            if(rs.wasNull())
+            {
+                throw new BookNotRentedException();
+            }
+
+            stmt = context.prepareStatement("UPDATE books SET renter_id = NULL WHERE id = ?");
+            stmt.setInt(1, id);
+            int count = stmt.executeUpdate();
+            assert count == 1;
+        }
+        catch(java.sql.SQLException e)
+        {
+            JDBCException ex = new JDBCException();
+            ex.initCause(e);
+            throw ex;
+        }
+    }
+
+    BookI()
+    {
+    }
+
+    static Ice.Identity
+    createIdentity(Integer bookId)
+    {
+        Ice.Identity id = new Ice.Identity();
+        id.category = "book";
+        id.name = bookId.toString();
+        return id;
+    }
+
+    static BookDescription
+    extractDescription(SQLRequestContext context, java.sql.ResultSet rs, Ice.ObjectAdapter adapter)
+        throws java.sql.SQLException
+    {
+        Integer id = rs.getInt("id");
+
+        BookDescription desc = new BookDescription();
+        desc.isbn = rs.getString("isbn");
+        desc.title = rs.getString("title");
+        desc.authors = new java.util.LinkedList<String>();
+        desc.proxy = BookPrxHelper.uncheckedCast(adapter.createProxy(createIdentity(id)));
+
+        java.sql.PreparedStatement stmt = null;
+        // Query for the rentedBy.
+        Integer renterId = rs.getInt("renter_id");
+        if(!rs.wasNull())
+        {
+            stmt = context.prepareStatement("SELECT * FROM customers WHERE id = ?");
+            stmt.setInt(1, renterId);
+            java.sql.ResultSet customerRS = stmt.executeQuery();
+            boolean next = customerRS.next();
+            assert next;
+            desc.rentedBy = customerRS.getString(2);
+        }
+
+        // Query for the authors.
+        stmt = context.prepareStatement("SELECT * FROM authors INNER JOIN authors_books ON " +
+                                        "authors.id=authors_books.author_id AND authors_books.book_id = ?");
+        stmt.setInt(1, id);
+        java.sql.ResultSet authorRS = stmt.executeQuery();
+        while(authorRS.next())
+        {
+            desc.authors.add(authorRS.getString("name"));
+        }
+
+        return desc;
+    }
+}