first go with dm-hibernate-adapter

.gitignore

@@ -0,0 +1,2 @@
+jibernate.*
+target

eventlog.rb

@@ -1,54 +1,49 @@
 # Basic requires
 require 'rubygems'
 require 'java'
-require 'jdbc/hsqldb'
 require 'jruby/core_ext'
+require 'dm-core'
 
-# Our requires
-require 'hibernate'
-
-Hibernate.dialect = Hibernate::Dialects::HSQL
-Hibernate.current_session_context_class = "thread"
-
-Hibernate.connection_driver_class = "org.hsqldb.jdbcDriver"
-Hibernate.connection_url = "jdbc:hsqldb:file:jibernate"
-Hibernate.connection_username = "sa"
-Hibernate.connection_password = ""
-Hibernate.properties["hbm2ddl.auto"] = "update"
+require 'lib/dm-hibernate-adapter.rb'
+DataMapper.setup(:default, :adapter => "hibernate")
 
 class Event
+  include DataMapper::Resource
+
+  property :id, Serial
+  property :title, String
+  property :date, Date
+
+  # TODO get this out of the model into the adapter 
   extend Hibernate::Model
   hibernate_attr :id => :long, :title => :string, :date => :date
   hibernate!
 end
 
 Hibernate.add_model "Event.hbm.xml"
 
-Hibernate.tx do |session|
-  # Hack for HSQLDB's write delay
-  session.createSQLQuery("SET WRITE_DELAY FALSE").execute_update
+# Hack for HSQLDB's write delay
+#  session.createSQLQuery("SET WRITE_DELAY FALSE").execute_update
 
-  case ARGV[0]
-  when /store/
-    # Create event and store it
-    event = Event.new
-    event.title = ARGV[1]
-    event.date = java.util.Date.new
-
-    session.save(event)
-    puts "Stored!"
-  when /list/
-    # List all events
-    list = session.create_query('from Event').list
-    puts "Listing all events:"
-    list.each do |evt|
-      puts <<EOS
+case ARGV[0]
+when /store/
+  # Create event and store it
+  event = Event.new
+  event.title = ARGV[1]
+  event.date = java.util.Date.new
+  event.save
+  puts "Stored!"
+when /list/
+  list = Event.all
+  puts "Listing all events:"
+  list.each do |evt|
+    puts <<EOS
   id: #{evt.id}
     title: #{evt.title}
-    date: #{evt.date}"
+    date: #{evt.date}
 EOS
-    end
-  else
-    puts "Usage:\n\tstore <title>\n\tlist"
   end
-end
+else
+  puts "Usage:\n\tstore <title>\n\tlist"
+end
+

hibernate.rb

@@ -1,12 +1,4 @@
 require 'java'
-require 'lib/antlr-2.7.6.jar'
-require 'lib/commons-collections-3.1.jar'
-require 'lib/dom4j-1.6.1.jar'
-require 'lib/javassist-3.9.0.GA.jar'
-require 'lib/jta-1.1.jar'
-require 'lib/slf4j-simple-1.5.8.jar'
-require 'lib/slf4j-api-1.5.8.jar'
-require 'lib/hibernate3.jar'
 require 'stringio'
 
 require 'dialects'

lib/dm-hibernate-adapter.rb

@@ -0,0 +1,59 @@
+require 'hibernate'
+module DataMapper
+  module Adapters
+    class HibernateAdapter < AbstractAdapter
+
+      def initialize(name, options = {})
+        super
+        Hibernate.dialect = Hibernate::Dialects::HSQL
+        Hibernate.current_session_context_class = "thread"
+
+        Hibernate.connection_driver_class = "org.hsqldb.jdbcDriver"
+        Hibernate.connection_url = "jdbc:hsqldb:file:jibernate"
+        Hibernate.connection_username = "sa"
+        Hibernate.connection_password = ""
+        Hibernate.properties["hbm2ddl.auto"] = "update"
+      end
+
+      # @param [Enumerable<Resource>] resources
+      #   The list of resources (model instances) to create
+      #
+      # @return [Integer]
+      #   The number of records that were actually saved into the data-store
+      #
+      # @api semipublic
+      def create(resources)
+        puts "create #{resources.inspect}"
+        count = 0
+        Hibernate.tx do |session|
+          resources.each do |resource|
+            session.save(resource)
+            count += 1
+          end
+        end
+        count
+      end
+
+      # @param [Query] query
+      #   the query to match resources in the datastore
+      #
+      # @return [Enumerable<Hash>]
+      #   an array of hashes to become resources
+      #
+      # @api semipublic
+      def read(query)
+        puts "query #{query.inspect}"
+        result = []
+        Hibernate.tx do |session|
+          list = session.create_query("from #{query.model}").list
+          #TODO maybe there is a direct way to get a ruby array ?
+          list.each do |resource|
+            result << resource
+          end
+          list
+        end
+        result
+      end
+    end
+  end
+end

lib/dm-hibernate-adapter.rb~

@@ -0,0 +1,13 @@
+module DataMapper
+  module Adapters
+    class LuceneAdapter < AbstractAdapter
+
+      # @param [Enumerable<Resource>] resources
+      #   The list of resources (model instances) to create
+      #
+      # @return [Integer]
+      #   The number of records that were actually saved into the data-store
+      #
+      # @api semipublic
+      def create(resources)
+      end

pom.xml

@@ -0,0 +1,117 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>rubygems</groupId>
+  <artifactId>jibernate</artifactId>
+  <packaging>gem</packaging>
+  <version>1.0-SNAPSHOT</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>rubygems</groupId>
+      <artifactId>dm-core</artifactId>
+      <version>0.10.2</version>
+      <type>gem</type>
+    </dependency>
+<!--
+   does not load from within maven - wrong classloader !!!
+    <dependency>
+      <groupId>rubygems</groupId>
+      <artifactId>jdbc-hsqldb</artifactId>
+      <version>1.8.0.7</version>
+      <type>gem</type>
+    </dependency>
+-->
+    <dependency>
+      <groupId>org.hsqldb</groupId>
+      <artifactId>hsqldb</artifactId>
+      <version>1.8.0.10</version>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate</groupId>
+      <artifactId>hibernate</artifactId>
+      <version>3.1.3</version>
+    </dependency>
+    <!-- choose this version which can be downloaded publicly -->
+    <dependency>
+      <groupId>javax.transaction</groupId>
+      <artifactId>jta</artifactId>
+      <version>1.1</version>
+    </dependency>
+  </dependencies> 
+  <repositories>
+    <repository>
+      <id>central</id>
+      <url>http://repo1.maven.org/maven2</url>
+    </repository>
+    <repository>
+      <id>gemcutter</id>
+      <releases>
+	<updatePolicy>never</updatePolicy>
+	<checksumPolicy>ignore</checksumPolicy>
+      </releases>
+      <snapshots>
+	<enabled>false</enabled>
+      </snapshots>
+      <url>http://www.gemcutter.org/gems</url>
+      <layout>gem</layout>
+    </repository>
+  </repositories>
+  <build>
+    <plugins>
+      <plugin>
+	<groupId>org.apache.maven.plugins</groupId>
+	<artifactId>maven-dependency-plugin</artifactId>
+	<version>2.1</version>
+      </plugin>
+      <plugin>
+        <groupId>de.saumya.mojo</groupId>
+        <artifactId>jruby-maven-plugin</artifactId>
+	<version>${jruby.plugins.version}</version>
+      </plugin>
+      <plugin>
+        <groupId>de.saumya.mojo</groupId>
+        <artifactId>gem-maven-plugin</artifactId>
+	<version>${jruby.plugins.version}</version>
+	<extensions>true</extensions>
+	<executions>
+	  <execution>
+	    <phase>initialize</phase>
+	  </execution>
+	</executions>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>shitty-maven-plugin</artifactId>
+	<version>1.0-alpha-4-SNAPSHOT</version><executions>
+	  <execution>
+	    <id>it-clean</id>
+	    <phase>clean</phase>
+            <goals>
+              <goal>clean</goal>
+	    </goals>
+	  </execution>
+          <execution>
+            <goals>
+              <goal>clean</goal>
+              <goal>install</goal>
+              <goal>test</goal>
+            </goals>    
+            <configuration>
+              <parallel>true</parallel>
+              <threadCount>2</threadCount>
+	    </configuration>
+          </execution>
+        </executions>	
+      </plugin>
+    </plugins>
+  </build>
+  <properties>
+    <jruby.plugins.version>0.9.0</jruby.plugins.version>
+    <!-- this allows to configure it for rails-maven-plugin as well jruby-maven-plugin and gem-maven-plugin -->
+    <jruby.gem.home>${project.build.directory}/rubygems</jruby.gem.home>
+    <jruby.gem.path>${project.build.directory}/rubygems</jruby.gem.path>
+    <jruby.fork>true</jruby.fork>
+  </properties>
+
+</project>