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Diffstat (limited to 'java/demo/Database/library/BookQueryResultI.java')
-rw-r--r-- | java/demo/Database/library/BookQueryResultI.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/java/demo/Database/library/BookQueryResultI.java b/java/demo/Database/library/BookQueryResultI.java new file mode 100644 index 00000000000..f5854678dfb --- /dev/null +++ b/java/demo/Database/library/BookQueryResultI.java @@ -0,0 +1,88 @@ +// ********************************************************************** +// +// Copyright (c) 2003-2011 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.*; + +class BookQueryResultI extends _BookQueryResultDisp +{ + BookQueryResultI(SQLRequestContext context, java.sql.ResultSet rs, Ice.ObjectAdapter adapter) throws java.sql.SQLException + { + _books = new java.util.Stack<BookDescription>(); + for(int i = 0; i < MAX_BOOK_QUERY_RESULT; ++i) + { + _books.add(BookI.extractDescription(context, rs, adapter)); + if(!rs.next()) + { + break; + } + } + } + + synchronized public java.util.List<BookDescription> + next(int n, Ice.BooleanHolder destroyed, Ice.Current current) + { + if(_destroyed) + { + throw new Ice.ObjectNotExistException(); + } + destroyed.value = false; + java.util.List<BookDescription> l = new java.util.LinkedList<BookDescription>(); + if(n <= 0) + { + return l; + } + + for(int i = 0; i < n && _books.size() > 0; ++i) + { + l.add(_books.pop()); + } + + if(_books.size() <= 0) + { + try + { + destroyed.value = true; + destroy(current); + } + catch(Exception e) + { + // Ignore. + } + } + + return l; + } + + synchronized public void + destroy(Ice.Current current) + { + if(_destroyed) + { + throw new Ice.ObjectNotExistException(); + } + _destroyed = true; + + current.adapter.remove(current.id); + } + + // Called on application shutdown by the Library. + synchronized public void + shutdown() + { + if(!_destroyed) + { + _destroyed = true; + } + } + + private java.util.Stack<BookDescription> _books; + private boolean _destroyed = false; + private static final int MAX_BOOK_QUERY_RESULT = 1000; +} + |