initial commit.0.0

26 files changed, 1409 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..41e63e2
--- a/dev/null
+++ b/.gitignore
@@ -0,0 +1,22 @@
+configure
+Makefile.in
+Doxyfile
+config.log
+depcomp
+config.guess
+config.h
+ltmain.sh
+config.sub
+INSTALL
+konforka.pc
+NEWS
+Makefile
+config.status
+stamp-h1
+doxydox
+config.h.in
+libtool
+autom4te.cache
+missing
+aclocal.m4
+install-sh
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..a9fb0c7
--- a/dev/null
+++ b/AUTHORS
@@ -0,0 +1,3 @@
+Klever dissected:
+	Michael 'hacker' Krelin <hacker@klever.net>
+	Leonid Ivanov <kamel@klever.net>
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..96befc6
--- a/dev/null
+++ b/COPYING
@@ -0,0 +1,19 @@
+Copyright (c) 2004-2005 Klever Group (http://www.klever.net/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..e69de29
--- a/dev/null
+++ b/ChangeLog
diff --git a/Doxyfile.in b/Doxyfile.in
new file mode 100644
index 0000000..ea0b482
--- a/dev/null
+++ b/Doxyfile.in
@@ -0,0 +1,247 @@
+# Doxyfile 1.3.9.1
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+PROJECT_NAME           = @PACKAGE@
+PROJECT_NUMBER         = @VERSION@
+OUTPUT_DIRECTORY       = @builddir@/doxydox
+CREATE_SUBDIRS         = NO
+OUTPUT_LANGUAGE        = English
+USE_WINDOWS_ENCODING   = NO
+BRIEF_MEMBER_DESC      = YES
+REPEAT_BRIEF           = YES
+ABBREVIATE_BRIEF       = 
+ALWAYS_DETAILED_SEC    = NO
+INLINE_INHERITED_MEMB  = NO
+FULL_PATH_NAMES        = YES
+STRIP_FROM_PATH        = include
+STRIP_FROM_INC_PATH    = include
+SHORT_NAMES            = NO
+JAVADOC_AUTOBRIEF      = NO
+MULTILINE_CPP_IS_BRIEF = NO
+DETAILS_AT_TOP         = NO
+INHERIT_DOCS           = YES
+DISTRIBUTE_GROUP_DOC   = NO
+TAB_SIZE               = 8
+ALIASES                = 
+OPTIMIZE_OUTPUT_FOR_C  = NO
+OPTIMIZE_OUTPUT_JAVA   = NO
+SUBGROUPING            = YES
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+EXTRACT_ALL            = NO
+EXTRACT_PRIVATE        = NO
+EXTRACT_STATIC         = NO
+EXTRACT_LOCAL_CLASSES  = YES
+EXTRACT_LOCAL_METHODS  = NO
+HIDE_UNDOC_MEMBERS     = NO
+HIDE_UNDOC_CLASSES     = NO
+HIDE_FRIEND_COMPOUNDS  = NO
+HIDE_IN_BODY_DOCS      = NO
+INTERNAL_DOCS          = NO
+CASE_SENSE_NAMES       = YES
+HIDE_SCOPE_NAMES       = NO
+SHOW_INCLUDE_FILES     = NO
+INLINE_INFO            = YES
+SORT_MEMBER_DOCS       = YES
+SORT_BRIEF_DOCS        = NO
+SORT_BY_SCOPE_NAME     = YES
+GENERATE_TODOLIST      = YES
+GENERATE_TESTLIST      = YES
+GENERATE_BUGLIST       = YES
+GENERATE_DEPRECATEDLIST= YES
+ENABLED_SECTIONS       = 
+MAX_INITIALIZER_LINES  = 30
+SHOW_USED_FILES        = NO
+SHOW_DIRECTORIES       = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+QUIET                  = NO
+WARNINGS               = YES
+WARN_IF_UNDOCUMENTED   = YES
+WARN_IF_DOC_ERROR      = YES
+WARN_FORMAT            = "$file:$line: $text"
+WARN_LOGFILE           = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+INPUT                  = \
+	@srcdir@/include/konforka/
+FILE_PATTERNS          = *.h
+RECURSIVE              = NO
+EXCLUDE                = 
+EXCLUDE_SYMLINKS       = NO
+EXCLUDE_PATTERNS       = 
+EXAMPLE_PATH           = 
+EXAMPLE_PATTERNS       = 
+EXAMPLE_RECURSIVE      = NO
+IMAGE_PATH             = 
+INPUT_FILTER           = 
+FILTER_PATTERNS        = 
+FILTER_SOURCE_FILES    = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+SOURCE_BROWSER         = NO
+INLINE_SOURCES         = NO
+STRIP_CODE_COMMENTS    = YES
+REFERENCED_BY_RELATION = YES
+REFERENCES_RELATION    = YES
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+ALPHABETICAL_INDEX     = YES
+COLS_IN_ALPHA_INDEX    = 2
+IGNORE_PREFIX          = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+GENERATE_HTML          = YES
+HTML_OUTPUT            = html
+HTML_FILE_EXTENSION    = .html
+HTML_HEADER            = 
+HTML_FOOTER            = 
+HTML_STYLESHEET        = 
+HTML_ALIGN_MEMBERS     = YES
+GENERATE_HTMLHELP      = NO
+CHM_FILE               = 
+HHC_LOCATION           = 
+GENERATE_CHI           = NO
+BINARY_TOC             = NO
+TOC_EXPAND             = NO
+DISABLE_INDEX          = NO
+ENUM_VALUES_PER_LINE   = 4
+GENERATE_TREEVIEW      = NO
+TREEVIEW_WIDTH         = 250
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+GENERATE_LATEX         = NO
+LATEX_OUTPUT           = latex
+LATEX_CMD_NAME         = latex
+MAKEINDEX_CMD_NAME     = makeindex
+COMPACT_LATEX          = NO
+PAPER_TYPE             = a4wide
+EXTRA_PACKAGES         = 
+LATEX_HEADER           = 
+PDF_HYPERLINKS         = NO
+USE_PDFLATEX           = NO
+LATEX_BATCHMODE        = NO
+LATEX_HIDE_INDICES     = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+GENERATE_RTF           = NO
+RTF_OUTPUT             = rtf
+COMPACT_RTF            = NO
+RTF_HYPERLINKS         = NO
+RTF_STYLESHEET_FILE    = 
+RTF_EXTENSIONS_FILE    = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+GENERATE_MAN           = NO
+MAN_OUTPUT             = man
+MAN_EXTENSION          = .3
+MAN_LINKS              = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+GENERATE_XML           = YES
+XML_OUTPUT             = xml
+XML_SCHEMA             = 
+XML_DTD                = 
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+GENERATE_PERLMOD       = NO
+PERLMOD_LATEX          = NO
+PERLMOD_PRETTY         = YES
+PERLMOD_MAKEVAR_PREFIX = 
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor   
+#---------------------------------------------------------------------------
+
+ENABLE_PREPROCESSING   = YES
+MACRO_EXPANSION        = NO
+EXPAND_ONLY_PREDEF     = NO
+SEARCH_INCLUDES        = YES
+INCLUDE_PATH           = 
+INCLUDE_FILE_PATTERNS  = 
+PREDEFINED             = 
+EXPAND_AS_DEFINED      = 
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to external references   
+#---------------------------------------------------------------------------
+
+TAGFILES               = 
+GENERATE_TAGFILE       = 
+ALLEXTERNALS           = NO
+EXTERNAL_GROUPS        = YES
+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool   
+#---------------------------------------------------------------------------
+
+CLASS_DIAGRAMS         = YES
+HIDE_UNDOC_RELATIONS   = YES
+HAVE_DOT               = @HAVE_DOT@
+CLASS_GRAPH            = YES
+COLLABORATION_GRAPH    = YES
+UML_LOOK               = NO
+TEMPLATE_RELATIONS     = YES
+INCLUDE_GRAPH          = YES
+INCLUDED_BY_GRAPH      = YES
+CALL_GRAPH             = NO
+GRAPHICAL_HIERARCHY    = YES
+DOT_IMAGE_FORMAT       = png
+DOT_PATH               = @DOT@
+DOTFILE_DIRS           = 
+MAX_DOT_GRAPH_WIDTH    = 1024
+MAX_DOT_GRAPH_HEIGHT   = 1024
+MAX_DOT_GRAPH_DEPTH    = 0
+GENERATE_LEGEND        = YES
+DOT_CLEANUP            = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to the search engine   
+#---------------------------------------------------------------------------
+
+SEARCHENGINE           = NO
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..c3fef99
--- a/dev/null
+++ b/Makefile.am
@@ -0,0 +1,27 @@
+SUBDIRS=include lib
+EXTRA_DIST = NEWS NEWS.xml NEWS.xsl
+
+DISTCHECK_CONFIGURE_FLAGS=--with-pkgconfigdir=$${dc_install_base}/lib/pkgconfig
+if HAVE_PKGCONFIG
+pkgconfigdir=@PKGCONFIG_DIR@
+pkgconfig_DATA=konforka.pc
+endif
+
+LOCAL_TARGETS=
+if HAVE_DOXYGEN
+LOCAL_TARGETS+=doxygen
+endif
+
+all-local: NEWS $(addprefix all-lota-,${LOCAL_TARGETS})
+clean-local: $(addprefix clean-lota-,${LOCAL_TARGETS})
+
+NEWS: NEWS.xsl NEWS.xml
+	${XSLTPROC} -o $@ NEWS.xsl NEWS.xml
+
+all-lota-doxygen: doxydox/built
+doxydox/built: $(wildcard ${top_srcdir}/include/konforka/*.h)
+	${DOXYGEN}
+	touch $@
+
+clean-lota-doxygen:
+	rm -rf doxydox
diff --git a/NEWS.xml b/NEWS.xml
new file mode 100644
index 0000000..d1d89f6
--- a/dev/null
+++ b/NEWS.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="us-ascii"?>
+<news>
+ <version version="0.0" date="January 29th, 2005">
+  <ni>Initial release</ni>
+ </version>
+</news>
diff --git a/NEWS.xsl b/NEWS.xsl
new file mode 100644
index 0000000..7c71307
--- a/dev/null
+++ b/NEWS.xsl
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="us-ascii"?>
+<xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ >
+ <xsl:output
+  method="text"
+  encoding="us-ascii"
+  media-type="text/plain" />
+
+ <xsl:template match="news">
+  <xsl:apply-templates/>
+ </xsl:template>
+ <xsl:template match="version">
+  <xsl:value-of select="concat(@version,' (',@date,')&#xA;')"/>
+  <xsl:apply-templates/>
+ </xsl:template>
+ <xsl:template match="ni">
+  <xsl:text>  - </xsl:text>
+  <xsl:apply-templates mode="text"/>
+  <xsl:text>&#xA;</xsl:text>
+ </xsl:template>
+ <xsl:template match="*|text()"/>
+ 
+</xsl:stylesheet>
diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
--- a/dev/null
+++ b/README
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..ec2c50f
--- a/dev/null
+++ b/acinclude.m4
@@ -0,0 +1,80 @@
+dnl AC_WITH_PKGCONFIG([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
+dnl Outputs:
+dnl AC_SUBST: PKGCONFIG_PKGCONFIG PKGCONFIG_DIR
+dnl AM_CONDTIONAL: HAVE_PKGCONFIG
+AC_DEFUN([AC_WITH_PKGCONFIG],[
+ PKGCONFIG_PKGCONFIG=""
+ PKGCONFIG_DIR=""
+ HAVE_PKGCONFIG="no"
+ EXPLICIT_PKGCONFIGDIR="no"
+ test -z "${WANT_PKGCONFIG}" && WANT_PKGCONFIG=""
+ AC_PATH_PROG([PKGCONFIG_PKGCONFIG],[pkg-config],[false])
+ if test "${PKGCONFIG_PKGCONFIG}" != "false" ; then
+  AC_ARG_WITH([pkgconfigdir],
+   AC_HELP_STRING([--with-pkgconfigdir=dir],[Specify pkgconfig directory]),
+   [
+    if test "${withval}" = "no" ; then
+     WANT_PKGCONFIG="no"
+    else
+     PKGCONFIG_DIR="${withval}"
+     EXPLICIT_PKGCONFIGDIR="yes"
+    fi
+   ],[
+    AC_MSG_CHECKING([for pkgconfig directory])
+    PKGCONFIG_DIR="`${PKGCONFIG_PKGCONFIG} --debug 2>&1 | grep '^Scanning'| head -n 1 | cut -d\' -f2-|cut -d\' -f1`"
+    AC_MSG_RESULT([${PKGCONFIG_DIR}])
+   ]
+  )
+  if test -d "${PKGCONFIG_DIR}" ; then
+   HAVE_PKGCONFIG=yes
+   AC_SUBST([PKGCONFIG_PKGCONFIG])
+   AC_SUBST([PKGCONFIG_DIR])
+  else
+   AC_MSG_NOTICE([unexistent pkgconfig directory: ${PKGCONFIG_DIR}])
+   if test "${EXPLICIT_PKGCONFIGDIR}" = "yes" ; then
+    HAVE_PKGCONFIG=yes
+    AC_SUBST([PKGCONFIG_PKGCONFIG])
+    AC_SUBST([PKGCONFIG_DIR])
+   else
+    ifelse([$2], , :, [$2])
+   fi
+  fi
+ fi
+ AM_CONDITIONAL([HAVE_PKGCONFIG],[test "${HAVE_PKGCONFIG}" = "yes"])
+])
+
+dnl AC_WITH_DOXYGEN([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
+dnl Outputs:
+dnl AC_SUBST: DOXYGEN HAVE_DOXYGEN
+dnl AM_CONDTIONAL: HAVE_DOXYGEN
+AC_DEFUN([AC_WITH_DOXYGEN],[
+ HAVE_DOXYGEN="no"
+ AC_PATH_PROG([DOXYGEN],[doxygen],[false])
+ if test "${DOXYGEN}" = "false" ; then
+  ifelse([$2], , :, [$2])
+ else
+  HAVE_DOXYGEN="yes"
+  AC_SUBST([DOXYGEN])
+  $1
+ fi
+ AC_SUBST([HAVE_DOXYGEN])
+ AM_CONDITIONAL([HAVE_DOXYGEN],[test "${HAVE_DOXYGEN}" = "yes"])
+])
+
+dnl AC_WITH_DOT([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
+dnl Outputs:
+dnl AC_SUBST: DOT HAVE_DOT
+dnl AM_CONDITIONAL: HAVE_DOT
+AC_DEFUN([AC_WITH_DOT],[
+ HAVE_DOT="no"
+ AC_PATH_PROG([DOT],[dot],[false])
+ if test "${DOT}" = "false" ; then
+  ifelse([$2], , :, [$2])
+ else
+  HAVE_DOT="yes"
+  AC_SUBST([DOT])
+  $1
+ fi
+AC_SUBST([HAVE_DOT])
+ AM_CONDITIONAL([HAVE_DOT],[test "${HAVE_DOT}" = "yes"])
+])
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..ba27501
--- a/dev/null
+++ b/autogen.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+WANT_AUTOMAKE=1.8
+export WANT_AUTOMAKE
+libtoolize -f \
+&& aclocal \
+&& autoheader \
+&& automake -a \
+&& autoconf \
+&& ./configure "$@"
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..96d9325
--- a/dev/null
+++ b/configure.ac
@@ -0,0 +1,65 @@
+AC_INIT([konforka], [0.0], [konforka-bugs@klever.net])
+AC_CONFIG_SRCDIR([include/konforka/exception.h])
+AC_CONFIG_HEADER([config.h])
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+AC_PROG_INSTALL
+AC_PROG_AWK
+AC_PROG_CXX
+AC_PROG_CC
+AC_PROG_LIBTOOL
+
+AC_HEADER_STDC
+
+AC_C_CONST
+
+AC_FUNC_MALLOC
+AC_FUNC_REALLOC
+
+AC_PATH_PROG([XSLTPROC],[xsltproc],[true])
+
+AC_WITH_PKGCONFIG
+WANT_DOXYGEN="yes"
+AC_ARG_ENABLE([doxygen],
+ AC_HELP_STRING([--disable-doxygen],[do not generate documentation]),
+ [
+  test "${enableval}" = "no" && WANT_DOXYGEN="no"
+ ]
+)
+if test "${WANT_DOXYGEN}" = "yes" ; then
+ AC_WITH_DOXYGEN
+ AC_WITH_DOT
+else
+ AM_CONDITIONAL([HAVE_DOXYGEN],[false])
+ AM_CONDITIONAL([HAVE_DOT],[false])
+fi
+
+WANT_PQXX="yes"
+AC_ARG_WITH([libpqxx],
+ AC_HELP_STRING([--without-libpqxx],[do not build libpqxx connection pool support]),
+ [
+  test "${withval}" = "no" && WANT_PQXX="no"
+ ]
+)
+HAVE_PQXX="no"
+PC_REQ_PQXX=""
+if test "${WANT_PQXX}" = "yes" ; then
+ PKG_CHECK_MODULES([PQXX],[libpqxx],[
+   HAVE_PQXX="yes"
+   PC_REQ_PQXX="libpqxx"
+  ],[
+   AC_MSG_NOTICE([no libpqxx found, no connection piling support will be built])
+  ]
+ )
+fi
+AC_SUBST([PC_REQ_PQXX],[${PC_REQ_PQXX}])
+AM_CONDITIONAL([HAVE_PQXX],[test "${HAVE_PQXX}" = "yes"])
+
+AC_CONFIG_FILES([
+ Makefile
+  konforka.pc
+  Doxyfile
+ include/Makefile
+ lib/Makefile
+])
+AC_OUTPUT
diff --git a/include/.gitignore b/include/.gitignore
new file mode 100644
index 0000000..3dda729
--- a/dev/null
+++ b/include/.gitignore
@@ -0,0 +1,2 @@
+Makefile.in
+Makefile
diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..3e043d3
--- a/dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,12 @@
+EXTRA_DIST = konforka/pqxx_pile.h
+EXTRA_HEADERS=
+if HAVE_PQXX
+EXTRA_HEADERS += konforka/pqxx_pile.h
+endif
+
+nobase_include_HEADERS = \
+	konforka/exception.h \
+	konforka/basic_wrapper.h konforka/responsible_wrapper.h \
+	konforka/resource_pile.h \
+	konforka/pointer_map.h \
+	${EXTRA_HEADERS}
diff --git a/include/konforka/basic_wrapper.h b/include/konforka/basic_wrapper.h
new file mode 100644
index 0000000..909f8b6
--- a/dev/null
+++ b/include/konforka/basic_wrapper.h
@@ -0,0 +1,118 @@
+#ifndef __KONFORKA_BASIC_WRAPPER_H
+#define __KONFORKA_BASIC_WRAPPER_H
+
+/**
+ * @file
+ * @brief The konforka::basic_wrapper class declaration.
+ */
+
+#include <konforka/exception.h>
+
+namespace konforka {
+
+    /**
+     * @brief The basic wrapper class.
+     *
+     */
+    template<typename T>
+	class basic_wrapper {
+	    public:
+		/**
+		 * The type of wrapped content.
+		 */
+		typedef T content_type;
+
+		/**
+		 * The content wrapped into the instance.
+		 */
+		content_type opkele;
+		/**
+		 * This boolean indicates whether the object has a content
+		 * attached to it.
+		 */
+		bool bopkele;
+
+		/**
+		 * Default constructors creates the object with no content
+		 * associated with it.
+		 */
+		basic_wrapper()
+		    : bopkele(false) { }
+		/**
+		 * The constructor associates the content give with the object.
+		 * @param o the content being attached to the object.
+		 */
+		basic_wrapper(content_type o)
+		    : opkele(o), bopkele(true) { }
+		/**
+		 * Virtual destructor doing nothing in this class.
+		 */
+		virtual ~basic_wrapper() { }
+
+		/**
+		 * Attaches the given content to the object.
+		 * @param o the content being attached to the object.
+		 */
+		void attach(content_type o) {
+		    opkele = o;
+		    bopkele = true;
+		}
+
+		/**
+		 * Test whether the object has content attached.
+		 * @return naturally, returns true if yes.
+		 */
+		bool is() const {
+		    return bopkele;
+		}
+
+		/**
+		 * Throws an exception in case the object lacks content
+		 * attached.
+		 */
+		void ensure() const {
+		    if(!is())
+			throw konforka::exception(CODEPOINT,"no content attached");
+		}
+
+		/**
+		 * Get the content attached to the object. It would throw an
+		 * exception if there is no content attached.
+		 * @return reference to the content.
+		 */
+		virtual content_type& get_content() {
+		    ensure();
+		    return opkele;
+		}
+		/**
+		 * Get the content attached to the object. It would throw an
+		 * exception if there is no content attached.
+		 * @return const reference to the content.
+		 */
+		virtual const content_type& get_content() const {
+		    ensure();
+		    return opkele;
+		}
+
+		/**
+		 * Casts the object to the reference to the content type,
+		 * throwing an exception if there's no content associated with
+		 * an object.
+		 * @return reference to the content attached.
+		 * @see get_content()
+		 */
+		operator const content_type&(void) const { return get_content(); }
+		/**
+		 * Casts the object to the const reference to the content type,
+		 * throwing an exception if there's no content associated with
+		 * an object.
+		 * @return reference to the content attached.
+		 * @see get_content()
+		 */
+		operator content_type&(void) { return get_content(); }
+	};
+
+}
+
+#endif /* __KONFORKA_BASIC_WRAPPER_H */
+/* vim:set ft=cpp: */
diff --git a/include/konforka/exception.h b/include/konforka/exception.h
new file mode 100644
index 0000000..5e0bf96
--- a/dev/null
+++ b/include/konforka/exception.h
@@ -0,0 +1,203 @@
+#ifndef __KONFORKA_EXCEPTION_H
+#define __KONFORKA_EXCEPTION_H
+
+#include <exception>
+#include <string>
+#include <list>
+
+/**
+ * @file
+ * @brief exception-related stuff.
+ *
+ * Basic exception-related declarations and definitions.
+ */
+
+/**
+ * @def CODEPOINT
+ * the convenience definition of the parameters passed to the
+ * konforka::code_point constructor.
+ */
+#define	CODEPOINT __FILE__,__PRETTY_FUNCTION__,__LINE__
+/**
+ * @def NOCODEPOINT
+ * the convenience definition for the codepoint denoting no particular point in
+ * code.
+ */
+#define NOCODEPOINT "no information"
+
+/**
+ * @brief The main konforka namespace.
+ */
+namespace konforka {
+    using std::string;
+    using std::list;
+
+    /**
+     * @brief Pinpoint the code context.
+     *
+     * Class, holding the point in code, for instance, where the exception
+     * occured.
+     */
+    class code_point {
+	public:
+	    /**
+	     * The string describing the point in code.
+	     */
+	    string where;
+	    /**
+	     * The file (as provided by __FILE__) if available.
+	     */
+	    string file;
+	    /**
+	     * The function name (as provided by __PRETTY_FUNCTION__) if
+	     * available.
+	     */
+	    string function;
+	    /**
+	     * The line number (as provided by __LINE__) if available.
+	     */
+	    int line;
+
+	    /**
+	     * Constructs the object, using only textual description of the
+	     * point in code (no file, function, line information).
+	     * @param w the description of the point in code.
+	     */
+	    code_point(const string& w);
+	    /**
+	     * Constructs the object, specifying the exact position in code.
+	     * @param fi source file name.
+	     * @param fu function name.
+	     * @param l the line number.
+	     */
+	    code_point(const string& fi,const string& fu,int l);
+
+	    /**
+	     * Extract the information on the point in code.
+	     * @return the reference to the character string.
+	     * @see where
+	     */
+	    const char *c_str() const throw();
+
+	    /**
+	     * Build the textual description from the broken down information on
+	     * the point in code.
+	     * @see where
+	     * @see file
+	     * @see function
+	     * @see line
+	     */
+	    void make_where();
+    };
+
+    /**
+     * @brief The basic exception class.
+     */
+    class exception : public std::exception {
+	public:
+	    /**
+	     * The string, containing the description of exception.
+	     */
+	    string _what;
+	    /**
+	     * Reference to the point in code where the exception has occured.
+	     */
+	    code_point _where;
+	    /**
+	     * In case the exception has been rethrown a number of times, here
+	     * we can trace where was it seen (a kind of backtrace).
+	     */
+	    list<code_point> _seen;
+
+	    /**
+	     * The simple constructor, only providing textual information on the
+	     * exception nature and the point in code where the exception has
+	     * occured.
+	     * @param whe the point in code.
+	     * @param wha the description of exception.
+	     */
+	    exception(const string& whe, const string& wha);
+	    /**
+	     * The constructor, storing elaborate information on where the
+	     * exception has occured.
+	     * @param fi source file name.
+	     * @param fu function name.
+	     * @param l line number.
+	     * @param w the error message.
+	     * @see #CODEPOINT
+	     */
+	    exception(const string& fi,const string& fu,int l,const string& w);
+	    virtual ~exception() throw();
+
+	    /**
+	     * Extract the textual information on the point in code where
+	     * exception has occured.
+	     * @return the string describing point in code where exception has
+	     * occured.
+	     */
+	    virtual const char* where() const throw();
+	    /**
+	     * Extract the textual information on the nature of the exception.
+	     * @return the error message.
+	     */
+	    virtual const char* what() const throw();
+
+	    /**
+	     * Register the point in code (described by the string) in the
+	     * 'backtrace' list.
+	     * @param w the description of the point in code.
+	     */
+	    void see(const string& w);
+	    /**
+	     * Register the point in code in the 'backtrace' list.
+	     * @param fi souce file name.
+	     * @param fu function name.
+	     * @param l line number.
+	     * @see CODEPOINT
+	     */
+	    void see(const string& fi,const string& fu,int l);
+    };
+
+    /**
+     * @brief errno-holding exception.
+     *
+     * The exception object storing the information provided by the errno
+     * variable.
+     */
+    class system_error : public exception {
+	public:
+	    /**
+	     * The value of errno.
+	     */
+	    int _errno;
+
+	    /**
+	     * Construct the exception object storing plain text information on
+	     * the point in code.
+	     * @param whe the description of point in code.
+	     * @param wha the error message.
+	     */
+	    system_error(const string& whe,const string& wha);
+	    /**
+	     * Construct the exception object storing elaborate information on
+	     * the point in code where it has occured.
+	     * @param fi source file name.
+	     * @param fu function name.
+	     * @param l line number.
+	     * @param w the error message.
+	     * @see CODEPOINT
+	     */
+	    system_error(const string& fi,const string& fu,int l,const string& w);
+	    virtual ~system_error() throw();
+
+	    /**
+	     * Return the information on the system error recorded.
+	     * @return the string describing the error occured.
+	     */
+	    virtual const char* why() const throw();
+    };
+
+}
+
+#endif /* __KONFORKA_EXCEPTION_H */
+/* vim:set ft=cpp: */
diff --git a/include/konforka/pointer_map.h b/include/konforka/pointer_map.h
new file mode 100644
index 0000000..d706e71
--- a/dev/null
+++ b/include/konforka/pointer_map.h
@@ -0,0 +1,105 @@
+#ifndef __KONFORKA_POINTER_MAP_H
+#define __KONFORKA_POINTER_MAP_H
+
+#include <typeinfo>
+
+/**
+ * @file
+ * @brief mapping of pointers.
+ *
+ * The support for global mapping of pointers. Useful when using third-party
+ * libraries callbacks when the library does not provide mechanism for passing
+ * along custom context-dependent data.
+ */
+
+namespace konforka {
+
+    /**
+     * @brief internally used actual implementation of mapping pointer.
+     *
+     * @param tf the typeid of the key pointer.
+     * @param pf the key pointer.
+     * @param tt the typeid of the value pointer.
+     * @param pt the value pointer.
+     */
+    void _map_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt);
+    /**
+     * @brief internally used actual implementation of destroying mapped
+     * pointer.
+     *
+     * @param tf the typeid of the key pointer.
+     * @param pf the key pointer.
+     * @param tt the typeid of the value pointer.
+     * @param pt the value pointer.
+     */
+    void _unmap_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt);
+    /**
+     * @brief internally used actual implementation of retrieving mapped
+     * pointer.
+     *
+     * @param tf the typeid of the key pointer.
+     * @param pf the key pointer.
+     * @param tt the typeid of the value pointer.
+     * @return the value.
+     */
+    void *_mapped_pointer(const type_info& tf,void *pf,const type_info& tt);
+
+    /**
+     * @brief the object, maintaining mapped pointer.
+     * 
+     * @param from_t the key type.
+     * @param to_t the value type.
+     */
+    template<typename from_t,typename to_t>
+	class map_pointer {
+	    public:
+		/**
+		 * stored key.
+		 */
+		from_t _from;
+		/**
+		 * stored value.
+		 */
+		to_t _to;
+		/**
+		 * flag, specifying that the object is currently mapped.
+		 */
+		bool bmapped;
+
+		/**
+		 * @brief constructs the object, mapping the key/value pair.
+		 * 
+		 * @param f the key.
+		 * @param t the value.
+		 */
+		map_pointer(from_t f,to_t t)
+		    : _from(f), _to(t), bmapped(false) {
+			_map_pointer(typeid(from_t),_from,typeid(to_t),_to);
+			bmapped=true;
+		    }
+		/**
+		 * @brief destructor unmaps the key/value pair stored.
+		 */
+		~map_pointer() {
+		    if(bmapped)
+			_unmap_pointer(typeid(from_t),_from,typeid(to_t),_to);
+		}
+	};
+
+    /**
+     * The template function for pointer retrieval.
+     *
+     * @param from_t the key type.
+     * @param to_t the value type.
+     * @param f the key.
+     * @return the value.
+     */
+    template<typename from_t,typename to_t>
+	to_t mapped_pointer(from_t f) {
+	    return (to_t)_mapped_pointer(typeid(from_t),f,typeid(to_t));
+	}
+
+}
+
+#endif /* __KONFORKA_POINTER_MAP_H */
+/* vim:set ft=cpp: */
diff --git a/include/konforka/pqxx_pile.h b/include/konforka/pqxx_pile.h
new file mode 100644
index 0000000..fdfaed6
--- a/dev/null
+++ b/include/konforka/pqxx_pile.h
@@ -0,0 +1,59 @@
+#ifndef __KONFORKA_PQXX_PILE_H
+#define __KONFORKA_PQXX_PILE_H
+
+#include <pqxx/connection>
+#include <konforka/resource_pile.h>
+
+/**
+ * @file
+ * @brief libpqxx-based postgresql connections pile.
+ */
+
+namespace konforka {
+
+    /**
+     * @brief the base for pqxx-based connection classes.
+     *
+     * @param pqxxc_t the type of libpqxx connection (pqxx::connection,
+     * pqxx::lazyconnection or pqxx::asyncconnection).
+     */
+    template<typename pqxxc_t>
+	class pqxx_piled_connection_base : public resource_pile_base<string,pqxxc_t*, resource_pile_generic_ptr_factory<string,pqxxc_t> > {
+	    public:
+		/**
+		 * @brief the constractor based on connection info.
+		 *
+		 * @param ci connection info string.
+		 */
+		pqxx_piled_connection_base(const string& ci)
+		    : resource_pile_base<string,pqxxc_t*, resource_pile_generic_ptr_factory<string,pqxxc_t> >(ci) { }
+		~pqxx_piled_connection_base() { this->drop(); }
+
+		/**
+		 * @brief cast the object to the reference to the corresponding
+		 * libpqxx type.
+		 */
+		operator pqxxc_t&(void) { return *this->get_content(); }
+		/**
+		 * @brief cast the object to the const reference to the
+		 * corresponding libpqxx type.
+		 */
+		operator const pqxxc_t&(void) const { return *this->get_content(); }
+	};
+
+    /**
+     * @brief the implementation for piling pqxx::connection objects.
+     */
+    typedef pqxx_piled_connection_base<pqxx::connection> pqxx_piled_connection;
+    /**
+     * @brief the implementation for piling pqxx::lazyconnection objects.
+     */
+    typedef pqxx_piled_connection_base<pqxx::lazyconnection> pqxx_piled_lazy_connection;
+    /**
+     * @brief the implementation for piling pqxx::asyncconnection objects.
+     */
+    typedef pqxx_piled_connection_base<pqxx::asyncconnection> pqxx_piled_async_connection;
+}
+
+#endif /* __KONFORKA_PQXX_PILE_H */
+/* vim:set ft=cpp: */
diff --git a/include/konforka/resource_pile.h b/include/konforka/resource_pile.h
new file mode 100644
index 0000000..d76a07b
--- a/dev/null
+++ b/include/konforka/resource_pile.h
@@ -0,0 +1,118 @@
+#ifndef __KONFORKA_RESOURCE_PILE_H
+#define __KONFORKA_RESOURCE_PILE_H
+
+#include <map>
+#include <konforka/responsible_wrapper.h>
+
+/**
+ * @file
+ * @brief resource-piling base support.
+ *
+ * Base for implementing resource-piling.
+ */
+
+namespace konforka {
+    using std::multimap;
+    using std::pair;
+
+    /**
+     * @brief template base class for resource piling.
+     *
+     * @param key_t the type used for keying resources.
+     * @param value_t the type of resource itself.
+     * @param factory_t the factory class, providing value_t allocate(key_t)
+     * static member.
+     */
+    template<typename key_t,typename value_t,typename factory_t>
+	class resource_pile_base : public responsible_wrapper<value_t> {
+	    /**
+	     * @brief the type of the pile container itself.
+	     */
+	    typedef multimap<key_t,value_t> pile_t;
+	    /*
+	     * @brief the pile of resources.
+	     */
+	    static pile_t pile;
+	    public:
+	    /**
+	     * @brief stored value for the key associated with the resource
+	     * contained.
+	     */
+	    key_t _key;
+
+	    /**
+	     * @brief default constructor fetches or allocates resource.
+	     *
+	     * @param k the key for resource.
+	     * @see allocate
+	     */
+	    resource_pile_base(const key_t& k) {
+		allocate(k);
+	    }
+	    /**
+	     * @brief destructor releases the resource back to pile.
+	     */
+	    virtual ~resource_pile_base() { this->drop(); }
+
+	    /**
+	     * @brief this is where the resource is handed back to pile.
+	     */
+	    void release() {
+		pile.insert(pair<key_t,value_t>(_key,this->opkele));
+	    }
+
+	    /**
+	     * @brief fetch from pile or allocate the resource.
+	     *
+	     * Try to see if we have a piled resource keyed to the argument. If
+	     * we do -- fetch it from the pile, otherwise allocate anew.
+	     *
+	     * @param k the key for resource.
+	     */
+	    void allocate(const key_t& k) {
+		this->drop();
+		typename pile_t::iterator i = pile.find(k);
+		if(i==pile.end()) {
+		    this->attach(factory_t::allocate(k));
+		}else{
+		    this->attach(i->second);
+		    try{ pile.erase(i); }catch(...){ _key = k; throw; }
+		}
+		_key = k;
+	    }
+
+	};
+
+    template<typename key_t,typename value_t,typename factory_t>
+	typename resource_pile_base<key_t,value_t,factory_t>::pile_t
+	    resource_pile_base<key_t,value_t,factory_t>::pile;
+
+    /**
+     * @brief the generic single parameter new-based resource factory.
+     *
+     * The generic resource factory using new as a way to allocate resource
+     * using the single-parameter constructor.
+     *
+     * @param key_t the key type.
+     * @param value_t the resource type.
+     *
+     * @see resource_pile_base
+     */
+    template<typename key_t,typename value_t>
+	struct resource_pile_generic_ptr_factory {
+	    public:
+		/**
+		 * @brief allocate the resource using new.
+		 *
+		 * @param k the key.
+		 * @return pointer to the newly allocated object.
+		 */
+		static value_t *allocate(const key_t& k) {
+		    return new value_t(k);
+		}
+	};
+
+}
+
+#endif /* __KONFORKA_RESOURCE_PILE_H */
+/* vim:set ft=cpp: */
diff --git a/include/konforka/responsible_wrapper.h b/include/konforka/responsible_wrapper.h
new file mode 100644
index 0000000..374ad45
--- a/dev/null
+++ b/include/konforka/responsible_wrapper.h
@@ -0,0 +1,99 @@
+#ifndef __KONFORKA_RESPONSIBLE_WRAPPER_H
+#define __KONFORKA_RESPONSIBLE_WRAPPER_H
+
+/**
+ * @file
+ * @brief The konforka::responsible_wrapper class declaration.
+ */
+
+#include <konforka/basic_wrapper.h>
+
+namespace konforka {
+
+    /**
+     * @brief The auto-cleanup wrapper class.
+     *
+     * The wrapper class that may feel responsible for releasing the resources
+     * associated with the content attached.
+     *
+     */
+    template<typename T>
+	class responsible_wrapper : public basic_wrapper<T> {
+	    public:
+		/**
+		 * The type of wrapped content.
+		 */
+		typedef typename basic_wrapper<T>::content_type content_type;
+		/**
+		 * Flag indicating whether the object feels responsible for
+		 * releasing resources associated with the content.
+		 */
+		bool bresponsible;
+
+		/**
+		 * Default constructor creates the object with no content
+		 * attached.
+		 */
+		responsible_wrapper()
+		    : basic_wrapper<content_type>() { }
+		/**
+		 * Constructor, associating the content with the instance.
+		 * @param o the content.
+		 * @param br indicates whether resources associated with the
+		 * content should be released.
+		 */
+		responsible_wrapper(content_type o,bool br=true)
+		    : basic_wrapper<content_type>(o), bresponsible(br) { }
+		/**
+		 * Destructor releases resources associated with the content
+		 * attached (if any), if the instance feels responsible for the
+		 * content.
+		 */
+		virtual ~responsible_wrapper() { drop(); }
+
+		/**
+		 * Attaches the given content to the object.
+		 * @param o the content.
+		 * @param br indicates whether the object should feel
+		 * responsible for releasing the content.
+		 */
+		void attach(content_type o,bool br=true) {
+		    drop();
+		    basic_wrapper<content_type>::attach(o);
+		    bresponsible = true;
+		}
+
+		/**
+		 * 'empties' object, releasing resources associated with the
+		 * content if it feels responsible.
+		 */
+		virtual void drop() {
+		    if(!this->is())
+			return;
+		    if(bresponsible)
+			release();
+		    this->bopkele = false;
+		}
+
+		/**
+		 * Detaches the content from the object without releasing
+		 * resources even if feels responsible for it.
+		 * @return the content attached.
+		 */
+		virtual content_type detach() {
+		    this->ensure();
+		    this->bopkele = false;
+		    return this->opkele;
+		}
+
+		/**
+		 * Pure virtual provided for derived classes to override for
+		 * doing whatever it takes to release resources associated with
+		 * the content.
+		 */
+		virtual void release() = 0;
+	};
+}
+
+#endif /* __KONFORKA_RESPONSIBLE_WRAPPER_H */
+/* vim:set ft=cpp: */
diff --git a/konforka.pc.in b/konforka.pc.in
new file mode 100644
index 0000000..81b1d2f
--- a/dev/null
+++ b/konforka.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: konforka
+Description: Convenience library for common KIN project code
+Version: @VERSION@
+Requires: @PC_REQ_PQXX@
+Libs: -L${libdir} -lkonforka
+Cflags: -I${includedir}
diff --git a/lib/.gitignore b/lib/.gitignore
new file mode 100644
index 0000000..7a5e754
--- a/dev/null
+++ b/lib/.gitignore
@@ -0,0 +1,7 @@
+Makefile.in
+.libs
+.deps
+Makefile
+*.lo
+*.o
+*.la
diff --git a/lib/Makefile.am b/lib/Makefile.am
new file mode 100644
index 0000000..a904569
--- a/dev/null
+++ b/lib/Makefile.am
@@ -0,0 +1,16 @@
+lib_LTLIBRARIES = libkonforka.la
+
+INCLUDES = -I${top_srcdir}/include
+AM_CXXFLAGS = ${PQXX_CFLAGS}
+LDADD = ${PQXX_LIBS}
+
+EXTRA_DIST = pqxx_pile.cc
+EXTRA_SOURCES=
+if HAVE_PQXX
+EXTRA_SOURCES += pqxx_pile.cc
+endif
+
+libkonforka_la_SOURCES = \
+	exception.cc \
+	pointer_map.cc \
+	${EXTRA_SOURCES}
diff --git a/lib/exception.cc b/lib/exception.cc
new file mode 100644
index 0000000..65302bf
--- a/dev/null
+++ b/lib/exception.cc
@@ -0,0 +1,66 @@
+#include <string.h>
+#include <errno.h>
+#include "konforka/exception.h"
+
+namespace konforka {
+
+    /*
+     * code_point
+     */
+
+    code_point::code_point(const string& w)
+	: where(w), line(-1) { }
+    code_point::code_point(const string& fi,const string& fu,int l)
+	: file(fi), function(fu), line(l) {
+	    make_where();
+	}
+
+    const char *code_point::c_str() const throw() {
+	return where.c_str();
+    }
+
+    void code_point::make_where() {
+	static char tmp[8];
+	snprintf(tmp,sizeof(tmp),"%d",line);
+	where = file + ":" + tmp + " [" + function + "]";
+    }
+    
+    /*
+     * exception
+     */
+
+    exception::exception(const string& whe,const string& wha)
+	: _where(whe), _what(wha) { }
+    exception::exception(const string& fi,const string& fu,int l,const string& w)
+	: _where(fi,fu,l), _what(w) { }
+    exception::~exception() throw() { }
+
+    const char *exception::where() const throw() {
+	return _where.c_str();
+    }
+    const char *exception::what() const throw() {
+	return _what.c_str();
+    }
+
+    void exception::see(const string& w) {
+	_seen.push_back(code_point(w));
+    }
+    void exception::see(const string& fi,const string& fu,int l) {
+	_seen.push_back(code_point(fi,fu,l));
+    }
+
+    /*
+     * system_error
+     */
+
+    system_error::system_error(const string& whe,const string& wha)
+	: _errno(errno), exception(whe,wha) { }
+    system_error::system_error(const string& fi,const string& fu,int l,const string& w)
+	: _errno(errno), exception(fi,fu,l,w) { }
+    system_error::~system_error() throw() { }
+
+    const char *system_error::why() const throw() {
+	return strerror(errno); // TODO: strerror_r
+    }
+
+}
diff --git a/lib/pointer_map.cc b/lib/pointer_map.cc
new file mode 100644
index 0000000..44f7ebc
--- a/dev/null
+++ b/lib/pointer_map.cc
@@ -0,0 +1,74 @@
+#include <cassert>
+#include <map>
+#include <string>
+using namespace std;
+#include "konforka/exception.h"
+#include "konforka/pointer_map.h"
+
+namespace konforka {
+
+    /*
+     * to_t->from_t->from->to
+     */
+    class mpointer_t {
+	public:
+	    void *ptr;
+	    int ref;
+
+	    mpointer_t() : ptr(0), ref(0) { }
+
+	    void _ref() { ref++; }
+	    void _unref() { ref--; }
+    };
+    typedef map<void*,mpointer_t> map_ptr_1_t;
+    typedef map<string,map_ptr_1_t> map_ptr_2_t;
+    typedef map<string,map_ptr_2_t> map_ptr_t;
+
+    static map_ptr_t pointer_map;
+    
+    void _map_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt) {
+	mpointer_t& mpt = pointer_map[tf.name()][tt.name()][pf];
+	if(mpt.ref) {
+	    if(mpt.ptr != pt)
+		throw exception(CODEPOINT,"trying to remap existing pointer with different value");
+	}else{
+	    mpt.ptr = pt;
+	}
+	mpt.ref++;
+    }
+    void _unmap_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt) {
+	map_ptr_t::iterator i1 = pointer_map.find(tf.name());
+	if(i1==pointer_map.end())
+	    throw exception(CODEPOINT,"no pointer of such type has ever been mapped");
+	map_ptr_2_t::iterator i2 = i1->second.find(tt.name());
+	if(i2==i1->second.end())
+	    throw exception(CODEPOINT,"no pointer has ever been mapped to the object of this type");
+	map_ptr_1_t::iterator i3 = i2->second.find(pf);
+	if(i3==i2->second.end())
+	    throw exception(CODEPOINT,"this pointer has never been mapped");
+	assert(i3->second.ref>0);
+	if(--(i3->second.ref))
+	    return;
+	i2->second.erase(i3);
+	if(!i2->second.empty())
+	    return;
+	i1->second.erase(i2);
+	if(!i1->second.empty())
+	    return;
+	pointer_map.erase(i1);
+    }
+    void *_mapped_pointer(const type_info& tf,void *pf,const type_info& tt) {
+	map_ptr_t::iterator i1 = pointer_map.find(tf.name());
+	if(i1==pointer_map.end())
+	    throw exception(CODEPOINT,"no pointer of such type has ever been mapped");
+	map_ptr_2_t::iterator i2 = i1->second.find(tt.name());
+	if(i2==i1->second.end())
+	    throw exception(CODEPOINT,"no pointer has ever been mapped to the object of this type");
+	map_ptr_1_t::iterator i3 = i2->second.find(pf);
+	if(i3==i2->second.end())
+	    throw exception(CODEPOINT,"this pointer has never been mapped");
+	assert(i3->second.ref>0);
+	return i3->second.ptr;
+    }
+
+}
diff --git a/lib/pqxx_pile.cc b/lib/pqxx_pile.cc
new file mode 100644
index 0000000..d6623bb
--- a/dev/null
+++ b/lib/pqxx_pile.cc
@@ -0,0 +1,17 @@
+#include "konforka/pqxx_pile.h"
+
+namespace konforka {
+
+    template class resource_pile_generic_ptr_factory<string,pqxx::connection>;
+    template class resource_pile_generic_ptr_factory<string,pqxx::lazyconnection>;
+    template class resource_pile_generic_ptr_factory<string,pqxx::asyncconnection>;
+
+    template class resource_pile_base<string,pqxx::connection*,resource_pile_generic_ptr_factory<string,pqxx::connection> >;
+    template class resource_pile_base<string,pqxx::lazyconnection*,resource_pile_generic_ptr_factory<string,pqxx::lazyconnection> >;
+    template class resource_pile_base<string,pqxx::asyncconnection*,resource_pile_generic_ptr_factory<string,pqxx::asyncconnection> >;
+
+    template class pqxx_piled_connection_base<pqxx::connection>;
+    template class pqxx_piled_connection_base<pqxx::lazyconnection>;
+    template class pqxx_piled_connection_base<pqxx::asyncconnection>;
+
+}