Author: reto
Date: Wed Jan 19 23:20:17 2011
New Revision: 1061059
URL: http://svn.apache.org/viewvc?rev=1061059&view=rev
Log:
CLEREZZA-388: indexing service for content garph
Added:
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/pom.xml
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/serviceComponents.xml
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/IndexService.scala
Added:
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/pom.xml
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/pom.xml?rev=1061059&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/pom.xml
(added)
+++
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/pom.xml
Wed Jan 19 23:20:17 2011
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><project
xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.parent</artifactId>
+ <version>0.2-incubating-SNAPSHOT</version>
+ </parent>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.platform.cris</artifactId>
+ <packaging>bundle</packaging>
+ <version>0.1-incubating-SNAPSHOT</version>
+ <name>Clerezza - Platform CRIS service for the content graph</name>
+ <description>
+ A composite resource index service for resources described in
the content graph
+ </description>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.rdf.cris.ontologies</artifactId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.rdf.cris.core</artifactId>
+ <version>0.1-incubating-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.rdf.core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+ <artifactId>org.apache.clerezza.rdf.utils</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.rdf.scala.utils</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.clerezza</groupId>
+
<artifactId>org.apache.clerezza.platform.graphprovider.content</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.lucene</groupId>
+ <artifactId>lucene-memory</artifactId>
+ <version>3.0.3</version>
+ </dependency>
+ </dependencies>
+ <build>
+ <sourceDirectory>src/main/scala</sourceDirectory>
+ <testSourceDirectory>src/test/scala</testSourceDirectory>
+ <plugins>
+ <plugin>
+ <groupId>org.scala-tools</groupId>
+ <artifactId>maven-scala-plugin</artifactId>
+ <executions>
+ <execution>
+ <goals>
+ <goal>compile</goal>
+ <goal>testCompile</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <configuration>
+ <instructions>
+
<Service-Component>OSGI-INF/serviceComponents.xml</Service-Component>
+ <!--
<Export-Package>org.apache.clerezza.platform.cris.*</Export-Package> -->
+
<Private-Package>org.apache.clerezza.platform.cris.*</Private-Package>
+
<Bundle-SymbolicName>org.apache.clerezza.platform.cris</Bundle-SymbolicName>
+ </instructions>
+ </configuration>
+ </plugin>
+
+ </plugins>
+ </build>
+</project>
Added:
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/serviceComponents.xml
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/serviceComponents.xml?rev=1061059&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/serviceComponents.xml
(added)
+++
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/resources/OSGI-INF/serviceComponents.xml
Wed Jan 19 23:20:17 2011
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<components xmlns:scr="http://www.osgi.org/xmlns/scr/v1.0.0";>
+ <scr:component enabled="true" immediate="true"
name="org.apache.clerezza.platform.cris.IndexService">
+ <implementation
class="org.apache.clerezza.platform.cris.IndexService"/>
+ <service servicefactory="false">
+ <provide
interface="org.apache.clerezza.rdf.cris.ResourceFinder"/>
+ <provide
interface="org.apache.clerezza.rdf.cris.IndexDefinitionManager"/>
+ </service>
+ <reference name="cgProvider"
interface="org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider"
+ cardinality="1..1" policy="static" bind="bindCgProvider"
unbind="unbindCgProvider"/>
+ <reference name="tcManager"
interface="org.apache.clerezza.rdf.core.access.TcManager"
+ cardinality="1..1" policy="static" bind="bindTcManager"
unbind="unbindTcManager"/>
+ </scr:component>
+</components>
Added:
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/IndexService.scala
URL:
http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/IndexService.scala?rev=1061059&view=auto
==============================================================================
---
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/IndexService.scala
(added)
+++
incubator/clerezza/issues/CLEREZZA-388/org.apache.clerezza.platform.cris/src/main/scala/org/apache/clerezza/platform/cris/IndexService.scala
Wed Jan 19 23:20:17 2011
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.clerezza.platform.cris;
+
+import org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider
+import org.apache.clerezza.rdf.cris.GraphIndexer
+import org.apache.clerezza.rdf.cris.Condition
+import org.apache.clerezza.rdf.cris.IndexDefinitionManager
+import org.apache.clerezza.rdf.cris.ResourceFinder
+import org.apache.clerezza.rdf.core.access.NoSuchEntityException
+import org.apache.clerezza.rdf.core.access.TcManager
+import org.apache.clerezza.rdf.core.MGraph
+import org.apache.clerezza.rdf.core.Resource
+import org.apache.clerezza.rdf.core.UriRef
+import org.apache.clerezza.rdf.utils._
+import org.apache.clerezza.rdf.scala.utils._
+import org.apache.clerezza.rdf.ontologies._
+import org.apache.lucene.document._
+import org.apache.lucene.store._
+import org.apache.lucene.index._
+import org.apache.lucene.search._
+import org.osgi.service.component.ComponentContext
+import org.slf4j._
+import java.io.File
+import java.util.List
+
+/**
+ * Provides access to indexed resources in the content graph. The definitions
+ * are taken from a graph with Uri
<http://zz.localhost/cris.definitions.graph>.
+ * For convenience the definitions can be changed using the methods inherited
+ * from IndexDefinitionManager, after adding new Definitions reCreateIndex
+ * should be invoked.
+ *
+ * @author reto
+ */
+class IndexService() extends ResourceFinder with IndexDefinitionManager {
+
+ var graphIndexer: GraphIndexer = null
+ var cgProvider: ContentGraphProvider = null
+ var tcManager: TcManager = null
+
+ val definitionGraphUri = new
UriRef("http://zz.localhost/cris.definitions.graph";)
+
+ var definitionGraph: MGraph = null
+
+ protected def activate(context: ComponentContext) {
+ definitionGraph = try {
+ tcManager.getMGraph(definitionGraphUri)
+ } catch {
+ case e: NoSuchEntityException =>
tcManager.createMGraph(definitionGraphUri)
+ }
+ val luceneIndexDir: File = context.getBundleContext().
+ getDataFile("lucene-index")
+ val createNewIndex = luceneIndexDir.exists
+ println("!!!!! "+createNewIndex)
+ graphIndexer = new GraphIndexer(definitionGraph,
+
cgProvider.getContentGraph,
+
FSDirectory.open(luceneIndexDir),
+
createNewIndex
+ )
+ }
+
+ def bindCgProvider(p: ContentGraphProvider) {
+ cgProvider = p
+ }
+
+ def unbindCgProvider(p: ContentGraphProvider) {
+ cgProvider = null
+ }
+
+ def bindTcManager(m: TcManager) {
+ tcManager = m
+ }
+
+ def unbindTcManager(m: TcManager) {
+ tcManager = null
+ }
+
+ def findResources(conditions: Condition*): List[Resource] = {
+ graphIndexer.findResources(conditions: _*)
+ }
+
+ def reCreateIndex() {
+ graphIndexer.reCreateIndex()
+ }
+
+}
