X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=runtime%2Forg.argeo.slc.support.osgi%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fosgi%2FOsgiExecutionModulesManager.java;h=5a8d3da5437ac728876c78a536c9910dad0c6ab4;hb=e153254668834a28b10411febed79bb2a07bae7b;hp=6c442c71defc6883e61a87f637bc6147dff4bcbe;hpb=1700d7107498d27348384ab6fd9d6c5d535d823b;p=gpl%2Fargeo-slc.git diff --git a/runtime/org.argeo.slc.support.osgi/src/main/java/org/argeo/slc/osgi/OsgiExecutionModulesManager.java b/runtime/org.argeo.slc.support.osgi/src/main/java/org/argeo/slc/osgi/OsgiExecutionModulesManager.java index 6c442c71d..5a8d3da54 100644 --- a/runtime/org.argeo.slc.support.osgi/src/main/java/org/argeo/slc/osgi/OsgiExecutionModulesManager.java +++ b/runtime/org.argeo.slc.support.osgi/src/main/java/org/argeo/slc/osgi/OsgiExecutionModulesManager.java @@ -1,140 +1,175 @@ +/* + * Copyright (C) 2007-2012 Mathieu Baudier + * + * Licensed 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.argeo.slc.osgi; +import java.lang.management.ManagementFactory; import java.util.ArrayList; -import java.util.Arrays; +import java.util.Dictionary; +import java.util.Enumeration; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; -import java.util.Properties; import java.util.Set; +import javax.management.MBeanServer; +import javax.management.ObjectName; +import javax.management.StandardMBean; + import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; +import org.argeo.slc.BasicNameVersion; +import org.argeo.slc.NameVersion; import org.argeo.slc.SlcException; -import org.argeo.slc.build.BasicNameVersion; import org.argeo.slc.core.execution.AbstractExecutionModulesManager; import org.argeo.slc.core.execution.DefaultExecutionFlowDescriptorConverter; +import org.argeo.slc.deploy.Module; import org.argeo.slc.deploy.ModuleDescriptor; import org.argeo.slc.execution.ExecutionContext; import org.argeo.slc.execution.ExecutionFlow; import org.argeo.slc.execution.ExecutionFlowDescriptor; import org.argeo.slc.execution.ExecutionFlowDescriptorConverter; import org.argeo.slc.execution.ExecutionModuleDescriptor; +import org.argeo.slc.execution.ExecutionModulesListener; import org.argeo.slc.process.RealizedFlow; import org.osgi.framework.Bundle; +import org.osgi.framework.BundleEvent; +import org.osgi.framework.BundleException; +import org.osgi.framework.BundleListener; import org.osgi.framework.Constants; -import org.osgi.framework.InvalidSyntaxException; -import org.osgi.framework.ServiceReference; -import org.osgi.util.tracker.ServiceTracker; -import org.springframework.beans.factory.DisposableBean; -import org.springframework.beans.factory.InitializingBean; +import org.osgi.framework.launch.Framework; +import org.springframework.context.ApplicationContext; import org.springframework.osgi.service.importer.OsgiServiceLifecycleListener; +/** Execution modules manager implementation based on an OSGi runtime. */ public class OsgiExecutionModulesManager extends - AbstractExecutionModulesManager implements InitializingBean, - DisposableBean, OsgiServiceLifecycleListener { - - static { - // Force usage of vanilla Xalan when in OSGi - // We would like to do it in a cleaner way - // but the integration of Xalan and Xerces in the JRE - // makes it very difficult - // Suggestions welcome! - Properties systemProperties = System.getProperties(); -// if (!systemProperties -// .containsKey("javax.xml.parsers.DocumentBuilderFactory")) -// System.setProperty("javax.xml.parsers.DocumentBuilderFactory", -// "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"); -// if (!systemProperties.containsKey("javax.xml.parsers.SAXParserFactory")) -// System.setProperty("javax.xml.parsers.SAXParserFactory", -// "org.apache.xerces.jaxp.SAXParserFactoryImpl"); - if (!systemProperties - .containsKey("javax.xml.transform.TransformerFactory")) - System.setProperty("javax.xml.transform.TransformerFactory", - "org.apache.xalan.processor.TransformerFactoryImpl"); - } - - private final static String PROPERTY_CACHE_SERVICES = "slc.osgi.execution.cacheServices"; + AbstractExecutionModulesManager implements + OsgiServiceLifecycleListener, BundleListener { private final static Log log = LogFactory .getLog(OsgiExecutionModulesManager.class); private BundlesManager bundlesManager; - private ServiceTracker executionContextsTracker; private Map executionContexts = new HashMap(); private Map executionFlowDescriptorConverters = new HashMap(); private Map> executionFlows = new HashMap>(); private ExecutionFlowDescriptorConverter defaultDescriptorConverter = new DefaultExecutionFlowDescriptorConverter(); - private Boolean useCachedServices = Boolean.parseBoolean(System - .getProperty(PROPERTY_CACHE_SERVICES, "true")); + private List executionModulesListeners = new ArrayList(); + + private Boolean registerFlowsToJmx = false; + + public void init() throws Exception { + bundlesManager.getBundleContext().addBundleListener(this); + + final String module = System.getProperty(UNIQUE_LAUNCH_MODULE_PROPERTY); + final String flow = System.getProperty(UNIQUE_LAUNCH_FLOW_PROPERTY); + if (module != null) { + // launch a flow and stops + new Thread("Unique Flow") { + @Override + public void run() { + executeFlowAndExit(module, null, flow); + } + }.start(); + } + } + + public void destroy() { + bundlesManager.getBundleContext().removeBundleListener(this); + } + + /** Executes a single flow and stops the JVM */ + protected void executeFlowAndExit(final String module, + final String version, final String flow) { + if (log.isDebugEnabled()) + log.debug("Launch unique flow " + flow + " from module " + module); + try { + OsgiBundle osgiBundle = bundlesManager.findFromPattern(module); + Bundle moduleBundle = bundlesManager.findRelatedBundle(osgiBundle); + bundlesManager.startSynchronous(moduleBundle); + RealizedFlow lastLaunch = findRealizedFlow(module, flow); + if (lastLaunch == null) + throw new SlcException("Cannot find launch for " + module + " " + + flow); + execute(lastLaunch); + } catch (Exception e) { + log.error( + "Error in unique flow " + flow + " from module " + module, + e); + } finally { + if (log.isDebugEnabled()) + log.debug("Shutdown OSGi runtime..."); + Framework framework = (Framework) bundlesManager.getBundleContext() + .getBundle(0); + try { + // shutdown framework + framework.stop(); + // wait 1 min for shutdown + framework.waitForStop(60 * 1000); + // close VM + System.exit(0); + } catch (Exception e) { + e.printStackTrace(); + System.exit(1); + } + } + } public synchronized ExecutionModuleDescriptor getExecutionModuleDescriptor( String moduleName, String version) { ExecutionModuleDescriptor md = new ExecutionModuleDescriptor(); - if (useCachedServices) { - OsgiBundle osgiBundle = null; - BasicNameVersion nameVersion = new BasicNameVersion(moduleName, - version); - bundles: for (Iterator iterator = executionContexts - .keySet().iterator(); iterator.hasNext();) { - OsgiBundle ob = iterator.next(); - if (ob.equals(nameVersion)) { - osgiBundle = ob; - break bundles; - } + OsgiBundle osgiBundle = null; + BasicNameVersion nameVersion = new BasicNameVersion(moduleName, version); + bundles: for (Iterator iterator = executionContexts + .keySet().iterator(); iterator.hasNext();) { + OsgiBundle ob = iterator.next(); + if (ob.equals(nameVersion)) { + osgiBundle = ob; + break bundles; } - if (osgiBundle == null) - throw new SlcException("No execution module registered for " - + nameVersion); - md.setName(osgiBundle.getName()); - md.setVersion(osgiBundle.getVersion()); - md.setLabel(osgiBundle.getLabel()); - md.setDescription(osgiBundle.getDescription()); - } else { - md.setName(moduleName); - md.setVersion(version); - setMetadataFromBundle(md, null); } + if (osgiBundle == null) + throw new SlcException("No execution module registered for " + + nameVersion); + md.setName(osgiBundle.getName()); + md.setVersion(osgiBundle.getVersion()); + md.setTitle(osgiBundle.getTitle()); + md.setDescription(osgiBundle.getDescription()); + ExecutionFlowDescriptorConverter executionFlowDescriptorConverter = getExecutionFlowDescriptorConverter( moduleName, version); if (executionFlowDescriptorConverter == null) throw new SlcException("No flow converter found."); - executionFlowDescriptorConverter.addFlowsToDescriptor(md, listFlows( - moduleName, version)); + executionFlowDescriptorConverter.addFlowsToDescriptor(md, + listFlows(moduleName, version)); return md; } public synchronized List listExecutionModules() { List descriptors = new ArrayList(); - if (useCachedServices) { - for (Iterator iterator = executionContexts.keySet() - .iterator(); iterator.hasNext();) { - OsgiBundle osgiBundle = iterator.next(); - ExecutionModuleDescriptor md = new ExecutionModuleDescriptor(); - setMetadataFromBundle(md, bundlesManager - .findRelatedBundle(osgiBundle)); - descriptors.add(md); - } - } else { - ServiceReference[] arr = executionContextsTracker - .getServiceReferences(); - if (arr == null) { - log.error("Tracker returned null."); - return descriptors; - } - - List srs = Arrays.asList(arr); - // ServiceReference[] srs = - // executionContexts.getServiceReferences(); - for (ServiceReference sr : srs) { - ExecutionModuleDescriptor md = new ExecutionModuleDescriptor(); - setMetadataFromBundle(md, sr.getBundle()); - descriptors.add(md); - } + for (Iterator iterator = executionContexts.keySet() + .iterator(); iterator.hasNext();) { + OsgiBundle osgiBundle = iterator.next(); + ExecutionModuleDescriptor md = new ExecutionModuleDescriptor(); + setMetadataFromBundle(md, + bundlesManager.findRelatedBundle(osgiBundle)); + descriptors.add(md); } return descriptors; } @@ -143,75 +178,50 @@ public class OsgiExecutionModulesManager extends String moduleName, String moduleVersion) { Map flows = new HashMap(); - if (useCachedServices) { - Set flowsT = executionFlows.get(new OsgiBundle( - moduleName, moduleVersion)); - for (ExecutionFlow flow : flowsT) - flows.put(flow.getName(), flow); - } else { - - // TODO: use service trackers? - // String filter = OsgiFilterUtils.unifyFilter(ExecutionFlow.class, - // null); - - String filter = "(Bundle-SymbolicName=" + moduleName + ")"; - ServiceReference[] sfs; - try { - sfs = bundlesManager.getBundleContext().getServiceReferences( - ExecutionFlow.class.getName(), filter); - } catch (InvalidSyntaxException e) { - throw new SlcException( - "Cannot retrieve service reference for flow " + filter, - e); - } - - for (ServiceReference sf : sfs) { - ExecutionFlow flow = (ExecutionFlow) bundlesManager - .getBundleContext().getService(sf); - flows.put(flow.getName(), flow); - } - } + OsgiBundle key = new OsgiBundle(moduleName, moduleVersion); + if (!executionFlows.containsKey(key)) + return flows; + Set flowsT = executionFlows.get(key); + for (ExecutionFlow flow : flowsT) + flows.put(flow.getName(), flow); return flows; } protected ExecutionFlow findExecutionFlow(String moduleName, String moduleVersion, String flowName) { - String filter = "(&(Bundle-SymbolicName=" + moduleName - + ")(org.springframework.osgi.bean.name=" + flowName + "))"; + String filter = moduleVersion == null || moduleVersion.equals("0.0.0") ? "(&(Bundle-SymbolicName=" + + moduleName + + ")(org.springframework.osgi.bean.name=" + + flowName + "))" + : "(&(Bundle-SymbolicName=" + moduleName + ")(Bundle-Version=" + + moduleVersion + + ")(org.springframework.osgi.bean.name=" + flowName + + "))"; return bundlesManager.getSingleServiceStrict(ExecutionFlow.class, - filter); + filter, true); } protected ExecutionContext findExecutionContext(String moduleName, String moduleVersion) { - String filter = "(&(Bundle-SymbolicName=" + moduleName - + ")(Bundle-Version=" + moduleVersion + "))"; + String filter = moduleFilter(moduleName, moduleVersion); return bundlesManager.getSingleServiceStrict(ExecutionContext.class, - filter); + filter, true); } protected ExecutionFlowDescriptorConverter findExecutionFlowDescriptorConverter( String moduleName, String moduleVersion) { - - String filter = "(&(Bundle-SymbolicName=" + moduleName - + ")(Bundle-Version=" + moduleVersion + "))"; + String filter = moduleFilter(moduleName, moduleVersion); return bundlesManager.getSingleService( - ExecutionFlowDescriptorConverter.class, filter); + ExecutionFlowDescriptorConverter.class, filter, false); } - public void setBundlesManager(BundlesManager bundlesManager) { - this.bundlesManager = bundlesManager; - } - - public void afterPropertiesSet() throws Exception { - if (!useCachedServices) - executionContextsTracker = bundlesManager - .newTracker(ExecutionContext.class); - } + /** Only based on symbolic name if version is null or "0.0.0" */ + protected String moduleFilter(String moduleName, String moduleVersion) { + return moduleVersion == null || moduleVersion.equals("0.0.0") ? "(Bundle-SymbolicName=" + + moduleName + ")" + : "(&(Bundle-SymbolicName=" + moduleName + ")(Bundle-Version=" + + moduleVersion + "))"; - public void destroy() throws Exception { - if (executionContextsTracker != null) - executionContextsTracker.close(); } /** @@ -250,62 +260,28 @@ public class OsgiExecutionModulesManager extends launch.setFlowDescriptor(descriptor); return launch; } else { - log - .warn("Could not find any execution module matching these requirements."); + log.warn("Could not find any execution module matching these requirements."); return null; } } - public void updateAndExecute(RealizedFlow realizedFlow) { - OsgiBundle osgiBundle = new OsgiBundle(realizedFlow); + public void upgrade(NameVersion nameVersion) { + OsgiBundle osgiBundle = new OsgiBundle(nameVersion); bundlesManager.upgradeSynchronous(osgiBundle); - execute(realizedFlow); } protected synchronized ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter( String moduleName, String moduleVersion) { - if (useCachedServices) { - OsgiBundle osgiBundle = new OsgiBundle(moduleName, moduleVersion); - if (executionFlowDescriptorConverters.containsKey(osgiBundle)) - return executionFlowDescriptorConverters.get(osgiBundle); - else - return defaultDescriptorConverter; - } else { - // Check whether a descriptor converter is published by this module - ExecutionFlowDescriptorConverter descriptorConverter = findExecutionFlowDescriptorConverter( - moduleName, moduleVersion); - if (descriptorConverter == null) - return defaultDescriptorConverter; - else - return descriptorConverter; - } + OsgiBundle osgiBundle = new OsgiBundle(moduleName, moduleVersion); + return getExecutionFlowDescriptorConverter(osgiBundle); } - public void execute(RealizedFlow realizedFlow) { - if (log.isTraceEnabled()) - log.trace("Executing " + realizedFlow); - - String moduleName = realizedFlow.getModuleName(); - String moduleVersion = realizedFlow.getModuleVersion(); - - Map variablesToAdd = getExecutionFlowDescriptorConverter( - moduleName, moduleVersion).convertValues( - realizedFlow.getFlowDescriptor()); - ExecutionContext executionContext = findExecutionContext(moduleName, - moduleVersion); - for (String key : variablesToAdd.keySet()) - executionContext.setVariable(key, variablesToAdd.get(key)); - - ExecutionFlow flow = findExecutionFlow(moduleName, moduleVersion, - realizedFlow.getFlowDescriptor().getName()); - - // - // Actually runs the flow, IN THIS THREAD - // - flow.run(); - // - // - // + protected synchronized ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter( + OsgiBundle osgiBundle) { + if (executionFlowDescriptorConverters.containsKey(osgiBundle)) + return executionFlowDescriptorConverters.get(osgiBundle); + else + return defaultDescriptorConverter; } public ModuleDescriptor getModuleDescriptor(String moduleName, @@ -324,6 +300,55 @@ public class OsgiExecutionModulesManager extends return lst; } + public void start(NameVersion nameVersion) { + try { + Bundle bundle = bundlesManager.findRelatedBundle(new OsgiBundle( + nameVersion)); + if (bundle == null) + throw new SlcException("Counld not find bundle for " + + nameVersion); + + bundlesManager.startSynchronous(bundle); + if (isSpringInstrumented(bundle)) { + // Wait for Spring application context to be ready + String filter = "(Bundle-SymbolicName=" + + bundle.getSymbolicName() + ")"; + try { + bundlesManager.getServiceRefSynchronous( + ApplicationContext.class.getName(), filter); + } catch (Exception e) { + // stop if application context not found + bundle.stop(); + throw e; + } + } + } catch (Exception e) { + throw new SlcException("Cannot start " + nameVersion, e); + } + } + + /** Do it calmly in order to avoid NPE */ + private Boolean isSpringInstrumented(Bundle bundle) { + Dictionary headers = bundle.getHeaders(); + if (headers != null && headers.get("Spring-Context") != null) + return true; + Enumeration springEntryPaths = bundle + .getEntryPaths("/META-INF/spring"); + if (springEntryPaths != null && springEntryPaths.hasMoreElements()) + return true; + return false; + } + + public void stop(NameVersion nameVersion) { + try { + Bundle bundle = bundlesManager.findRelatedBundle(new OsgiBundle( + nameVersion)); + bundlesManager.stopSynchronous(bundle); + } catch (BundleException e) { + throw new SlcException("Cannot stop " + nameVersion, e); + } + } + protected void setMetadataFromBundle(ModuleDescriptor md, Bundle bundle) { Bundle bdl = bundle; if (bdl == null) { @@ -347,8 +372,25 @@ public class OsgiExecutionModulesManager extends md.setName(bdl.getSymbolicName()); md.setVersion(getHeaderSafe(bdl, Constants.BUNDLE_VERSION)); - md.setLabel(getHeaderSafe(bdl, Constants.BUNDLE_NAME)); + md.setTitle(getHeaderSafe(bdl, Constants.BUNDLE_NAME)); md.setDescription(getHeaderSafe(bdl, Constants.BUNDLE_DESCRIPTION)); + + // copy manifets header to meta data + Dictionary headers = bundle.getHeaders(); + Enumeration keys = headers.keys(); + while (keys.hasMoreElements()) { + Object key = keys.nextElement(); + Object value = headers.get(key); + if (value != null) + md.getMetadata().put(key.toString(), value.toString()); + } + + // check if started + if (bundle.getState() == Bundle.ACTIVE + || bundle.getState() == Bundle.STARTING) + md.setStarted(true); + else + md.setStarted(false); } private String getHeaderSafe(Bundle bundle, Object key) { @@ -359,85 +401,239 @@ public class OsgiExecutionModulesManager extends return obj.toString(); } - @SuppressWarnings("unchecked") - public synchronized void bind(Object service, Map properties) - throws Exception { - if (service instanceof ExecutionContext) { - ExecutionContext executionContext = (ExecutionContext) service; - OsgiBundle osgiBundle = asOsgiBundle(properties); - Bundle bundle = bundlesManager.findRelatedBundle(osgiBundle); - osgiBundle.setLabel(getHeaderSafe(bundle, Constants.BUNDLE_NAME)); - osgiBundle.setDescription(getHeaderSafe(bundle, - Constants.BUNDLE_DESCRIPTION)); - executionContexts.put(osgiBundle, executionContext); + /* + * REGISTRATION + */ + + /** Registers an execution context. */ + public synchronized void register(ExecutionContext executionContext, + Map properties) { + OsgiBundle osgiBundle = asOsgiBundle(properties); + Bundle bundle = bundlesManager.findRelatedBundle(osgiBundle); + osgiBundle.setTitle(getHeaderSafe(bundle, Constants.BUNDLE_NAME)); + osgiBundle.setDescription(getHeaderSafe(bundle, + Constants.BUNDLE_DESCRIPTION)); + executionContexts.put(osgiBundle, executionContext); + if (log.isTraceEnabled()) + log.trace("Registered execution context from " + osgiBundle); + // Notify + ModuleDescriptor md = osgiBundle.getModuleDescriptor(); + md.setStarted(true); + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionModuleAdded(md); + } + + /** Unregisters an execution context. */ + public synchronized void unregister(ExecutionContext executionContext, + Map properties) { + OsgiBundle osgiBundle = asOsgiBundle(properties); + if (executionContexts.containsKey(osgiBundle)) { + executionContexts.remove(osgiBundle); if (log.isTraceEnabled()) - log.debug("Registered execution context from " + osgiBundle); - } else if (service instanceof ExecutionFlow) { - ExecutionFlow executionFlow = (ExecutionFlow) service; - OsgiBundle osgiBundle = asOsgiBundle(properties); - if (!executionFlows.containsKey(osgiBundle)) { - executionFlows.put(osgiBundle, new HashSet()); - } - executionFlows.get(osgiBundle).add(executionFlow); + log.trace("Removed execution context from " + osgiBundle); + // Notify + ModuleDescriptor md = osgiBundle.getModuleDescriptor(); + md.setStarted(false); + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionModuleRemoved(md); + } + } + + /** Registers an execution flow. */ + public synchronized void register(ExecutionFlow executionFlow, + Map properties) { + OsgiBundle osgiBundle = asOsgiBundle(properties); + if (!executionFlows.containsKey(osgiBundle)) { + executionFlows.put(osgiBundle, new HashSet()); + } + executionFlows.get(osgiBundle).add(executionFlow); + if (log.isTraceEnabled()) + log.trace("Registered " + executionFlow + " from " + osgiBundle); + + // notifications + if (registerFlowsToJmx) + registerMBean(osgiBundle, executionFlow); + ExecutionFlowDescriptorConverter efdc = getExecutionFlowDescriptorConverter(osgiBundle); + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionFlowAdded(osgiBundle.getModuleDescriptor(), + efdc.getExecutionFlowDescriptor(executionFlow)); + } + + /** Unregisters an execution flow. */ + public synchronized void unregister(ExecutionFlow executionFlow, + Map properties) { + OsgiBundle osgiBundle = asOsgiBundle(properties); + if (executionFlows.containsKey(osgiBundle)) { + Set flows = executionFlows.get(osgiBundle); + flows.remove(executionFlow); if (log.isTraceEnabled()) - log - .debug("Registered " + executionFlow + " from " - + osgiBundle); + log.trace("Removed " + executionFlow + " from " + osgiBundle); + if (flows.size() == 0) { + executionFlows.remove(osgiBundle); + if (log.isTraceEnabled()) + log.trace("Removed flows set from " + osgiBundle); + } + + // notifications + if (registerFlowsToJmx) + unregisterMBean(osgiBundle, executionFlow); + ExecutionFlowDescriptorConverter efdc = getExecutionFlowDescriptorConverter(osgiBundle); + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionFlowRemoved(osgiBundle.getModuleDescriptor(), + efdc.getExecutionFlowDescriptor(executionFlow)); + } + } - } else if (service instanceof ExecutionFlowDescriptorConverter) { + /** Registers an execution module listener. */ + public synchronized void register( + ExecutionModulesListener executionModulesListener, + Map properties) { + // sync with current state + for (OsgiBundle osgiBundle : executionContexts.keySet()) { + executionModulesListener.executionModuleAdded(osgiBundle + .getModuleDescriptor()); + } + for (OsgiBundle osgiBundle : executionFlows.keySet()) { + ExecutionFlowDescriptorConverter efdc = getExecutionFlowDescriptorConverter(osgiBundle); + for (ExecutionFlow executionFlow : executionFlows.get(osgiBundle)) + executionModulesListener.executionFlowAdded( + osgiBundle.getModuleDescriptor(), + efdc.getExecutionFlowDescriptor(executionFlow)); + } + executionModulesListeners.add(executionModulesListener); + } + + /** Unregisters an execution module listener. */ + public synchronized void unregister( + ExecutionModulesListener executionModulesListener, + Map properties) { + executionModulesListeners.remove(executionModulesListener); + } + + /* + * INTERFACE IMPLEMENTATIONS + */ + + public void bundleChanged(BundleEvent evt) { + Bundle bundle = evt.getBundle(); + if (bundle.getHeaders().get( + ExecutionModuleDescriptor.SLC_EXECUTION_MODULE) != null) { + OsgiBundle osgiBundle = new OsgiBundle(bundle); + if (evt.getType() == BundleEvent.INSTALLED) + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionModuleAdded(osgiBundle + .getModuleDescriptor()); + else if (evt.getType() == BundleEvent.UNINSTALLED) + for (ExecutionModulesListener listener : executionModulesListeners) + listener.executionModuleRemoved(osgiBundle + .getModuleDescriptor()); + } + + } + + @SuppressWarnings({ "rawtypes" }) + public synchronized void bind(Object service, Map properties) + throws Exception { + if (service instanceof ExecutionFlowDescriptorConverter) { ExecutionFlowDescriptorConverter executionFlowDescriptorConverter = (ExecutionFlowDescriptorConverter) service; OsgiBundle osgiBundle = asOsgiBundle(properties); executionFlowDescriptorConverters.put(osgiBundle, executionFlowDescriptorConverter); if (log.isTraceEnabled()) - log - .debug("Registered execution flow descriptor converter from " - + osgiBundle); + log.debug("Registered execution flow descriptor converter from " + + osgiBundle); } else { // ignore } } - @SuppressWarnings("unchecked") + @SuppressWarnings("rawtypes") public synchronized void unbind(Object service, Map properties) throws Exception { - if (service instanceof ExecutionContext) { - OsgiBundle osgiBundle = asOsgiBundle(properties); - if (executionContexts.containsKey(osgiBundle)) { - executionContexts.remove(osgiBundle); - if (log.isTraceEnabled()) - log.debug("Removed execution context from " + osgiBundle); - } - } else if (service instanceof ExecutionFlow) { - ExecutionFlow executionFlow = (ExecutionFlow) service; - OsgiBundle osgiBundle = asOsgiBundle(properties); - if (executionFlows.containsKey(osgiBundle)) { - Set flows = executionFlows.get(osgiBundle); - flows.remove(executionFlow); - if (log.isTraceEnabled()) - log.debug("Removed " + executionFlow + " from " - + osgiBundle); - if (flows.size() == 0) { - executionFlows.remove(osgiBundle); - if (log.isTraceEnabled()) - log.debug("Removed flows set from " + osgiBundle); - } - } - } else if (service instanceof ExecutionFlowDescriptorConverter) { + if (service instanceof ExecutionFlowDescriptorConverter) { OsgiBundle osgiBundle = asOsgiBundle(properties); if (executionFlowDescriptorConverters.containsKey(osgiBundle)) { executionFlowDescriptorConverters.remove(osgiBundle); if (log.isTraceEnabled()) - log - .debug("Removed execution flow descriptor converter from " - + osgiBundle); + log.debug("Removed execution flow descriptor converter from " + + osgiBundle); } } else { // ignore } } - @SuppressWarnings("unchecked") + /* + * JMX + */ + protected MBeanServer getMBeanServer() { + return ManagementFactory.getPlatformMBeanServer(); + } + + public void registerMBean(Module module, ExecutionFlow executionFlow) { + try { + StandardMBean mbean = new StandardMBean(executionFlow, + ExecutionFlow.class); + getMBeanServer().registerMBean(mbean, + flowMBeanName(module, executionFlow)); + } catch (Exception e) { + String msg = "Cannot register execution flow " + executionFlow + + " as mbean"; + throw new SlcException(msg, e); + } + } + + public void unregisterMBean(Module module, ExecutionFlow executionFlow) { + try { + getMBeanServer().unregisterMBean( + flowMBeanName(module, executionFlow)); + } catch (Exception e) { + String msg = "Cannot unregister execution flow " + executionFlow + + " as mbean"; + throw new SlcException(msg, e); + } + } + + @SuppressWarnings("deprecation") + protected ObjectName flowMBeanName(Module module, + ExecutionFlow executionFlow) { + String executionModulesPrefix = "SLCExecutionModules"; + String path = executionFlow.getPath(); + String name = executionFlow.getName(); + if (path == null && name.indexOf('/') >= 0) { + path = name.substring(0, name.lastIndexOf('/')); + name = name.substring(name.lastIndexOf('/')); + } + + StringBuffer buf = new StringBuffer(executionModulesPrefix + ":" + + "module=" + module.getName() + " [" + module.getVersion() + + "],"); + + if (path != null && !path.equals("")) { + int depth = 0; + for (String token : path.split("/")) { + if (!token.equals("")) { + buf.append("path").append(depth).append('='); + // in order to have directories first + buf.append('/'); + buf.append(token).append(','); + depth++; + } + } + } + buf.append("name=").append(name); + try { + return new ObjectName(buf.toString()); + } catch (Exception e) { + throw new SlcException("Cannot generate object name based on " + + buf, e); + } + } + + /* + * UTILITIES + */ + @SuppressWarnings("rawtypes") private OsgiBundle asOsgiBundle(Map properties) { String bundleSymbolicName = checkAndGet(Constants.BUNDLE_SYMBOLICNAME, properties); @@ -445,7 +641,7 @@ public class OsgiExecutionModulesManager extends return new OsgiBundle(bundleSymbolicName, bundleVersion); } - @SuppressWarnings("unchecked") + @SuppressWarnings("rawtypes") private String checkAndGet(Object key, Map properties) { if (!properties.containsKey(key) || properties.get(key) == null) throw new SlcException(key + " not set in " + properties); @@ -453,8 +649,17 @@ public class OsgiExecutionModulesManager extends return properties.get(key).toString(); } + public void setBundlesManager(BundlesManager bundlesManager) { + this.bundlesManager = bundlesManager; + } + public void setDefaultDescriptorConverter( ExecutionFlowDescriptorConverter defaultDescriptorConverter) { this.defaultDescriptorConverter = defaultDescriptorConverter; } + + public void setRegisterFlowsToJmx(Boolean registerFlowsToJmx) { + this.registerFlowsToJmx = registerFlowsToJmx; + } + }