[jboss-osgi-commits] JBoss-OSGI SVN: r96430 - in projects/jboss-osgi/trunk/reactor/framework/src: main/java/org/jboss/osgi/framework/resolver and 4 other directories.

Author: thomas.diesler(a)jboss.com Date: 2009-11-16 06:21:29 -0500 (Mon, 16 Nov 2009) New Revision: 96430 Added: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/WireCandidate.java Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/bundle/OSGiBundleManager.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/Resolvable.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ExportPackageImpl.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ImportPackageImpl.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/NamedPackageImpl.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ResolvableImpl.java projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/RuleBasedResolverImpl.java projects/jboss-osgi/trunk/reactor/framework/src/test/java/org/jboss/test/osgi/resolver/AbstractImportExportTest.java projects/jboss-osgi/trunk/reactor/framework/src/test/resources/META-INF/resolver-rules.drl Log: Explicit control over which bundles get resolved by the drools resolver Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/bundle/OSGiBundleManager.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/bundle/OSGiBundleManager.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/bundle/OSGiBundleManager.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -687,6 +687,8 @@ bundleState.setBundleManager(this); bundles.add(bundleState); + bundleState.changeState(Bundle.INSTALLED); + // Add the bundle to the resolver // [TODO] remove this restriction if (bundleState.getBundleId() != 0) @@ -695,8 +697,6 @@ bundleResolver.addBundle(bundleState); } - bundleState.changeState(Bundle.INSTALLED); - log.debug("Added: " + bundleState); } Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/Resolvable.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/Resolvable.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/Resolvable.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -56,6 +56,13 @@ Version getVersion(); /** + * Get the bundle's state. + * + * @return the state + */ + int getState(); + + /** * Get the list of exported packages in the declared order. * @return The list of exported packages or an empty list if the bundle does not export any packages. */ Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ExportPackageImpl.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ExportPackageImpl.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ExportPackageImpl.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -26,7 +26,6 @@ import java.util.Collections; import java.util.HashSet; import java.util.List; -import java.util.Map; import java.util.Set; import org.jboss.osgi.framework.metadata.PackageAttribute; @@ -127,20 +126,8 @@ importers.remove(importer); } - private String toString; public String toString() { - if (toString == null) - { - Map<String, Parameter> attributes = getPackageMetaData().getAttributes(); - Map<String, Parameter> directives = getPackageMetaData().getDirectives(); - StringBuffer buffer = new StringBuffer("ExportPackage: " + getName()); - for (Map.Entry<String, Parameter> entry : directives.entrySet()) - buffer.append(";" + entry.getKey() + ":=" + entry.getValue().getValue()); - for (Map.Entry<String, Parameter> entry : attributes.entrySet()) - buffer.append(";" + entry.getKey() + "=" + entry.getValue().getValue()); - toString = buffer.toString(); - } - return toString; + return "ExportPackage" + toShortString(); } } \ No newline at end of file Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ImportPackageImpl.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ImportPackageImpl.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ImportPackageImpl.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -21,8 +21,6 @@ */ package org.jboss.osgi.framework.resolver.internal; -import java.util.Map; - import org.jboss.osgi.framework.metadata.PackageAttribute; import org.jboss.osgi.framework.metadata.Parameter; import org.jboss.osgi.framework.metadata.VersionRange; @@ -109,20 +107,8 @@ } - private String toString; public String toString() { - if (toString == null) - { - Map<String, Parameter> attributes = getPackageMetaData().getAttributes(); - Map<String, Parameter> directives = getPackageMetaData().getDirectives(); - StringBuffer buffer = new StringBuffer("ImportPackage: " + getName()); - for (Map.Entry<String, Parameter> entry : directives.entrySet()) - buffer.append(";" + entry.getKey() + ":=" + entry.getValue().getValue()); - for (Map.Entry<String, Parameter> entry : attributes.entrySet()) - buffer.append(";" + entry.getKey() + "=" + entry.getValue().getValue()); - toString = buffer.toString(); - } - return toString; + return "ImportPackage" + toShortString(); } } \ No newline at end of file Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/NamedPackageImpl.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/NamedPackageImpl.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/NamedPackageImpl.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -21,6 +21,7 @@ */ package org.jboss.osgi.framework.resolver.internal; +import java.util.Map; import java.util.Set; import org.jboss.osgi.framework.bundle.OSGiBundleState; @@ -83,4 +84,22 @@ Parameter attr = getPackageMetaData().getAttribute(key); return (attr != null ? attr.getValue() : null); } + + private String packageSpec; + public String toShortString() + { + if (packageSpec == null) + { + Map<String, Parameter> attributes = getPackageMetaData().getAttributes(); + Map<String, Parameter> directives = getPackageMetaData().getDirectives(); + StringBuffer buffer = new StringBuffer("[" + getName()); + for (Map.Entry<String, Parameter> entry : directives.entrySet()) + buffer.append(";" + entry.getKey() + ":=" + entry.getValue().getValue()); + for (Map.Entry<String, Parameter> entry : attributes.entrySet()) + buffer.append(";" + entry.getKey() + "=" + entry.getValue().getValue()); + buffer.append("]"); + packageSpec = buffer.toString(); + } + return packageSpec; + } } \ No newline at end of file Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ResolvableImpl.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ResolvableImpl.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/ResolvableImpl.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -108,6 +108,11 @@ return bundleState.getVersion(); } + public int getState() + { + return bundleState.getState(); + } + public ExportPackage getExportPackage(String packageName) { return exportedPackages.get(packageName); Modified: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/RuleBasedResolverImpl.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/RuleBasedResolverImpl.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/RuleBasedResolverImpl.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -51,7 +51,7 @@ public class RuleBasedResolverImpl extends AbstractResolver { private StatefulKnowledgeSession ksession; - private Map<Object, FactHandle> facts = new ConcurrentHashMap<Object, FactHandle>(); + private Map<Resolvable, FactHandle> facts = new ConcurrentHashMap<Resolvable, FactHandle>(); public RuleBasedResolverImpl(OSGiBundleManager bundleManager) { @@ -71,14 +71,6 @@ public Resolvable addBundle(Bundle bundle) { Resolvable resolvable = super.addBundle(bundle); - facts.put(resolvable, ksession.insert(resolvable)); - - for (ImportPackage aux : resolvable.getImportPackages()) - facts.put(aux, ksession.insert(aux)); - - for (ExportPackage aux : resolvable.getExportPackages()) - facts.put(aux, ksession.insert(aux)); - return resolvable; } @@ -86,30 +78,62 @@ public Resolvable removeBundle(Bundle bundle) { Resolvable resolvable = super.removeBundle(bundle); - ksession.retract(facts.get(resolvable)); - - for (ImportPackage aux : resolvable.getImportPackages()) - ksession.retract(facts.get(aux)); - - for (ExportPackage aux : resolvable.getExportPackages()) - ksession.retract(facts.get(aux)); - + FactHandle factHandle = facts.get(resolvable); + if (factHandle != null) + { + ksession.update(factHandle, resolvable); + ksession.fireAllRules(); + ksession.retract(factHandle); + } return resolvable; } - public List<Resolvable> resolve(List<Bundle> notused) + public List<Resolvable> resolve(List<Bundle> bundles) { + // Get the list of unresolved resolvables + List<Resolvable> unresolved = new ArrayList<Resolvable>(); + if (bundles == null) + { + for (Resolvable aux : getBundles()) + { + if (aux.isResolved() == false) + unresolved.add(aux); + } + } + else + { + for (Bundle bundle : bundles) + { + Resolvable aux = getBundle(bundle); + if (aux == null) + throw new IllegalStateException("Cannot obtain resolvable for: " + bundle); + + if (aux.isResolved() == false) + unresolved.add(aux); + } + } + + // Insert the missing resolvables into the knowledge base + for (Resolvable aux : unresolved) + { + FactHandle factHandle = ksession.getFactHandle(aux); + if (factHandle == null) + factHandle = ksession.insert(aux); + + facts.put(aux, factHandle); + } + + // Fire all the rules ksession.fireAllRules(); - - List<Resolvable> resolvedBundles = new ArrayList<Resolvable>(); + + // Return teh list of resolved bundles + List<Resolvable> resolved = new ArrayList<Resolvable>(); for (Resolvable aux : getBundles()) { if (aux.isResolved()) - { - resolvedBundles.add(aux); - } + resolved.add(aux); } - return Collections.unmodifiableList(resolvedBundles); + return Collections.unmodifiableList(resolved); } public ExportPackage getExporter(Bundle bundle, String packageName) @@ -117,7 +141,7 @@ Resolvable resolvable = getBundle(bundle); if (resolvable == null) throw new IllegalStateException("Cannot find resovable for: " + bundle); - + ImportPackage importPackage = resolvable.getImportPackage(packageName); if (importPackage == null) throw new IllegalStateException("Cannot find import package: " + packageName); Added: projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/WireCandidate.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/WireCandidate.java (rev 0) +++ projects/jboss-osgi/trunk/reactor/framework/src/main/java/org/jboss/osgi/framework/resolver/internal/drools/WireCandidate.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -0,0 +1,72 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.osgi.framework.resolver.internal.drools; + +import org.jboss.osgi.framework.resolver.ExportPackage; +import org.jboss.osgi.framework.resolver.ImportPackage; +import org.jboss.osgi.framework.resolver.Resolvable; +import org.jboss.osgi.framework.resolver.internal.ExportPackageImpl; +import org.jboss.osgi.framework.resolver.internal.ImportPackageImpl; + +/** + * A Resolver that is based on the Drools rule engine. + * + * @author thomas.diesler(a)jboss.com + * @since 16-Nov-2009 + */ +public class WireCandidate +{ + private ImportPackageImpl importPackage; + private ExportPackageImpl exportPackage; + + public ImportPackage getImportPackage() + { + return importPackage; + } + + public void setImportPackage(ImportPackage importPackage) + { + this.importPackage = (ImportPackageImpl)importPackage; + } + + public ExportPackage getExportPackage() + { + return exportPackage; + } + + public void setExportPackage(ExportPackage exportPackage) + { + this.exportPackage = (ExportPackageImpl)exportPackage; + } + + @Override + public String toString() + { + Resolvable impOwner = importPackage.getOwner(); + String importer = impOwner.getSymbolicName() + "-" + impOwner.getVersion() + importPackage.toShortString(); + Resolvable expOwner = exportPackage.getOwner(); + String exporter = expOwner.getSymbolicName() + "-" + expOwner.getVersion() + exportPackage.toShortString(); + return "WireCandidate[" + importer + "] --> [" + exporter + "]"; + } + + +} \ No newline at end of file Modified: projects/jboss-osgi/trunk/reactor/framework/src/test/java/org/jboss/test/osgi/resolver/AbstractImportExportTest.java =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/test/java/org/jboss/test/osgi/resolver/AbstractImportExportTest.java 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/test/java/org/jboss/test/osgi/resolver/AbstractImportExportTest.java 2009-11-16 11:21:29 UTC (rev 96430) @@ -29,6 +29,9 @@ import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; +import java.util.Arrays; +import java.util.List; + import org.jboss.osgi.framework.resolver.ExportPackage; import org.jboss.osgi.framework.resolver.ImportPackage; import org.jboss.osgi.framework.resolver.Resolvable; @@ -127,6 +130,50 @@ } @Test + public void testExplicitBundleResolve() throws Exception + { + Resolver resolver = getTestResolver(); + assertEquals("No bundles in resolver", 0, resolver.getBundles().size()); + + // Bundle-SymbolicName: simpleimport + // Import-Package: org.jboss.test.osgi.classloader.support.a + VirtualFile fileA = assembleBundle("bundleA", "/bundles/resolver/simpleimport"); + Bundle bundleA = framework.installBundle(fileA); + try + { + // Bundle-SymbolicName: simpleexport + // Export-Package: org.jboss.test.osgi.classloader.support.a + VirtualFile fileB = assembleBundle("bundleB", "/bundles/resolver/simpleexport", A.class); + Bundle bundleB = framework.installBundle(fileB); + try + { + // Only resolve BundleB + List<Resolvable> resolved = resolver.resolve(Arrays.asList(new Bundle[] { bundleB })); + assertEquals("BundleB resolved", 1, resolved.size()); + assertEquals(bundleB.getSymbolicName(), resolved.get(0).getSymbolicName()); + + // Verify resolvable for bundleA + Resolvable resolvableA = resolver.getBundle(bundleA); + assertFalse("BundleA not resolved", resolvableA.isResolved()); + + // Resolve the installed bundles + resolver.resolve(null); + + // Verify resolvable for bundleA + assertTrue("BundleA resolved", resolvableA.isResolved()); + } + finally + { + bundleB.uninstall(); + } + } + finally + { + bundleA.uninstall(); + } + } + + @Test public void testSelfImportPackage() throws Exception { Resolver resolver = getTestResolver(); Modified: projects/jboss-osgi/trunk/reactor/framework/src/test/resources/META-INF/resolver-rules.drl =================================================================== --- projects/jboss-osgi/trunk/reactor/framework/src/test/resources/META-INF/resolver-rules.drl 2009-11-16 11:09:27 UTC (rev 96429) +++ projects/jboss-osgi/trunk/reactor/framework/src/test/resources/META-INF/resolver-rules.drl 2009-11-16 11:21:29 UTC (rev 96430) @@ -1,23 +1,88 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ package org.jboss.osgi.framework.resolver +import org.jboss.osgi.framework.resolver.internal.drools.WireCandidate import org.jboss.osgi.framework.metadata.VersionRange +import org.osgi.framework.Bundle import org.osgi.framework.Version +# Functions ####################################################################################### + +/** +* Returns TRUE is the version is in the given version range +*/ function boolean inRange(VersionRange range, Version version) { return range.isInRange(version); } +/** +* Logs a message to the logging system +*/ function void log(String message) { - # System.out.println(message); + // System.out.println(message); } -declare WireCandidate - importPackage : ImportPackage - exportPackage : ExportPackage +# Types ########################################################################################### + + +# Rules ########################################################################################### + +/************************************************************************************************** +* A rule that inserts the ImportPackage facts for newly inserted +* Resolvable objects. +*/ +rule "Add import packages for new resolvable" +salience 10000 +when + $owner : Resolvable( resolved == false, state == Bundle.INSTALLED ) + $import : ImportPackage( owner == $owner ) from $owner.importPackages + not ImportPackage( owner == $owner, name == $import.name ) +then + log("Add " + $import); + insert( $import ); end +/************************************************************************************************** +* A rule that inserts the ExportPackage facts for newly inserted +* Resolvable objects. +*/ +rule "Add export packages for new resolvable" +salience 10000 +when + $owner : Resolvable( resolved == false, state == Bundle.INSTALLED ) + $export : ExportPackage( owner == $owner ) from $owner.exportPackages + not ExportPackage( owner == $owner, name == $export.name ) +then + log("Add " + $export); + insert( $export ); +end + +/************************************************************************************************** +* A rule that inserts the WireCandidate facts for every combination +* of matching import/export package names. +*/ rule "Add WireCandidate" salience 1000 when @@ -27,11 +92,14 @@ WireCandidate wc = new WireCandidate(); wc.setImportPackage( $import ); wc.setExportPackage( $export ); - - log("Add WireCandidate " + wc.getImportPackage() + " --> " + wc.getExportPackage()); + log("Add " + wc); insert ( wc ); end +/************************************************************************************************** +* A rule that retracts the WireCandidate if there is a package +* version miss-match. +*/ rule "Retract package version miss-match" salience 100 when @@ -39,20 +107,28 @@ $wc : WireCandidate( importPackage == $import ) not( eval( inRange( $import.getVersion(), $wc.getExportPackage().getVersion()))) then - log("Retract package version " + $wc.getExportPackage()); + log("Package version missmatch - Retract " + $wc); retract ( $wc ); end +/************************************************************************************************** +* A rule that retracts the WireCandidate if there is a miss-match +* of the bundle-symbolic-name on the ImportPackage. +*/ rule "Retract bundle symbolic name miss-match" salience 100 when $import : ImportPackage( exporter == null, bundleSymbolicName != null ) $wc : WireCandidate( importPackage == $import, exportPackage.owner.symbolicName != $import.bundleSymbolicName ) then - log("Retract bundle symbolic name " + $wc.getExportPackage().getOwner()); + log("Bundle-SymbolicName missmatch - Retract " + $wc); retract ( $wc ); end +/************************************************************************************************** +* A rule that retracts the WireCandidate if there is a miss-match +* of the bundle-version on the ImportPackage. +*/ rule "Retract bundle version miss-match" salience 100 when @@ -60,41 +136,94 @@ $wc : WireCandidate( importPackage == $import ) not( eval( inRange( $import.getBundleVersion(), $wc.getExportPackage().getOwner().getVersion()))) then - log("Retract bundle version " + $wc.getExportPackage().getOwner()); + log("Bundle-Version missmatch - Retract " + $wc); retract ( $wc ); end -rule "Retract optional imports" -salience 10 -when - $import : ImportPackage( exporter == null, optional == true ) - not( WireCandidate( importPackage == $import ) ) -then - log("Retract optional " + $import); - retract ( $import ); -end - +/************************************************************************************************** +* A rule that applies the WireCandidate if there is only one +* possible WireCandidate left that refers to an ImportPackage. +*/ rule "Use WireCandidate" when - $import : ImportPackage( exporter == null ) + $owner : Resolvable( resolved == false ) + $import : ImportPackage( owner == $owner, exporter == null ) $wc : WireCandidate( importPackage == $import ) not( WireCandidate( this != $wc, importPackage == $import ) ) then - log("Use WireCandidate " + $wc.getImportPackage() + " --> " + $wc.getExportPackage()); + log("Use " + $wc); modify ( $wc.getImportPackage() ) { setExporter( $wc.getExportPackage() ) }; retract ( $wc ); end +/************************************************************************************************** +* A rule that marls the Resolvable as resolved if there +* is no more ImportPackage that is not wired to an ExportPackage. +*/ rule "Mark resolved" when $owner : Resolvable( resolved == false ) - not( ImportPackage( owner == $owner, exporter == null )) + not( ImportPackage( owner == $owner, optional == false, exporter == null )) then log("Resolved " + $owner); modify ( $owner ) { markResolved ( ) }; end +/************************************************************************************************** +* A rule that retracts ImportPackage facts for UNINSTALLED bundles +*/ +rule "Retract uninstalled ImportPackage" +when + $owner : Resolvable( ) + eval ( $owner.getState() == Bundle.UNINSTALLED ) + $import : ImportPackage( owner == $owner ) +then + log("Uninstall " + $import); + retract ( $import ); +end + +/************************************************************************************************** +* A rule that retracts ExportPackage facts for UNINSTALLED bundles +*/ +rule "Retract uninstalled ExportPackage" +when + $owner : Resolvable( ) + eval ( $owner.getState() == Bundle.UNINSTALLED ) + $export : ExportPackage( owner == $owner ) +then + log("Uninstall " + $export); + retract ( $export ); +end + +/************************************************************************************************** +* A rule that retracts WireCandidate facts for UNINSTALLED ImportPackages +*/ +rule "Retract uninstalled WireCandidate/ImportPackage" +when + $wc : WireCandidate( ) + not ( ImportPackage ( this == $wc.importPackage) ) +then + log("Uninstall " + $wc); + retract ( $wc ); +end + +/************************************************************************************************** +* A rule that retracts WireCandidate facts for UNINSTALLED ExportPackages +*/ +rule "Retract uninstalled WireCandidate/ExportPackage" +when + $wc : WireCandidate( ) + not ( ExportPackage ( this == $wc.exportPackage) ) +then + log("Unistall " + $wc); + retract ( $wc ); +end + +/************************************************************************************************** +* A rule that reports unresolved ImportPackage objects +*/ rule "Report unresolved import" +salience -1000 when $import : ImportPackage( exporter == null ) then