+/*
+ * 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.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.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.core.execution.AbstractExecutionModulesManager;
-import org.argeo.slc.core.execution.DefaultDescriptorConverter;
+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.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.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.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 {
+ AbstractExecutionModulesManager implements
+ OsgiServiceLifecycleListener, BundleListener {
+
private final static Log log = LogFactory
.getLog(OsgiExecutionModulesManager.class);
private BundlesManager bundlesManager;
- private ServiceTracker executionContexts;
- private ExecutionFlowDescriptorConverter defaultDescriptorConverter = new DefaultDescriptorConverter();
+ private Map<OsgiBundle, ExecutionContext> executionContexts = new HashMap<OsgiBundle, ExecutionContext>();
+ private Map<OsgiBundle, ExecutionFlowDescriptorConverter> executionFlowDescriptorConverters = new HashMap<OsgiBundle, ExecutionFlowDescriptorConverter>();
+ private Map<OsgiBundle, Set<ExecutionFlow>> executionFlows = new HashMap<OsgiBundle, Set<ExecutionFlow>>();
+ private ExecutionFlowDescriptorConverter defaultDescriptorConverter = new DefaultExecutionFlowDescriptorConverter();
+
+ private List<ExecutionModulesListener> executionModulesListeners = new ArrayList<ExecutionModulesListener>();
+
+ 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 ExecutionModuleDescriptor getExecutionModuleDescriptor(
+ public void destroy() {
+ bundlesManager.getBundleContext().removeBundleListener(this);
+ }
+
+ /** Executes a single flow and <b>stops the JVM</b> */
+ 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) {
- return createDescriptor(moduleName, version, listFlows(moduleName,
- version));
+ ExecutionModuleDescriptor md = new ExecutionModuleDescriptor();
+ OsgiBundle osgiBundle = null;
+ BasicNameVersion nameVersion = new BasicNameVersion(moduleName, version);
+ bundles: for (Iterator<OsgiBundle> 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.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));
+ return md;
}
- public List<ExecutionModuleDescriptor> listExecutionModules() {
+ public synchronized List<ExecutionModuleDescriptor> listExecutionModules() {
List<ExecutionModuleDescriptor> descriptors = new ArrayList<ExecutionModuleDescriptor>();
- ServiceReference[] srs = executionContexts.getServiceReferences();
- for (ServiceReference sr : srs) {
- String moduleName = sr.getBundle().getSymbolicName();
- String moduleVersion = sr.getBundle().getHeaders().get(
- "Bundle-Version").toString();
+ for (Iterator<OsgiBundle> iterator = executionContexts.keySet()
+ .iterator(); iterator.hasNext();) {
+ OsgiBundle osgiBundle = iterator.next();
ExecutionModuleDescriptor md = new ExecutionModuleDescriptor();
- md.setName(moduleName);
- md.setVersion(moduleVersion);
+ setMetadataFromBundle(md,
+ bundlesManager.findRelatedBundle(osgiBundle));
descriptors.add(md);
}
return descriptors;
}
- protected Map<String, ExecutionFlow> listFlows(String moduleName,
- String moduleVersion) {
- // 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);
- }
+ protected synchronized Map<String, ExecutionFlow> listFlows(
+ String moduleName, String moduleVersion) {
Map<String, ExecutionFlow> flows = new HashMap<String, ExecutionFlow>();
- for (ServiceReference sf : sfs) {
- ExecutionFlow flow = (ExecutionFlow) bundlesManager
- .getBundleContext().getService(sf);
+ OsgiBundle key = new OsgiBundle(moduleName, moduleVersion);
+ if (!executionFlows.containsKey(key))
+ return flows;
+ Set<ExecutionFlow> flowsT = executionFlows.get(key);
+ for (ExecutionFlow flow : flowsT)
flows.put(flow.getName(), flow);
- }
return flows;
}
- public ExecutionFlow findExecutionFlow(String moduleName,
+ 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);
}
- public ExecutionContext findExecutionContext(String moduleName,
+ 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);
}
- public ExecutionFlowDescriptorConverter findExecutionFlowDescriptorConverter(
+ 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);
- }
-
- public void setBundlesManager(BundlesManager bundlesManager) {
- this.bundlesManager = bundlesManager;
+ ExecutionFlowDescriptorConverter.class, filter, false);
}
- public void afterPropertiesSet() throws Exception {
- executionContexts = 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 (executionContexts != null)
- executionContexts.close();
}
/**
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);
}
- public void execute(RealizedFlow realizedFlow) {
+ protected synchronized ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter(
+ String moduleName, String moduleVersion) {
+ OsgiBundle osgiBundle = new OsgiBundle(moduleName, moduleVersion);
+ return getExecutionFlowDescriptorConverter(osgiBundle);
+ }
+
+ protected synchronized ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter(
+ OsgiBundle osgiBundle) {
+ if (executionFlowDescriptorConverters.containsKey(osgiBundle))
+ return executionFlowDescriptorConverters.get(osgiBundle);
+ else
+ return defaultDescriptorConverter;
+ }
+
+ public ModuleDescriptor getModuleDescriptor(String moduleName,
+ String version) {
+ return getExecutionModuleDescriptor(moduleName, version);
+ }
+
+ public List<ModuleDescriptor> listModules() {
+ Bundle[] bundles = bundlesManager.getBundleContext().getBundles();
+ List<ModuleDescriptor> lst = new ArrayList<ModuleDescriptor>();
+ for (Bundle bundle : bundles) {
+ ModuleDescriptor moduleDescriptor = new ModuleDescriptor();
+ setMetadataFromBundle(moduleDescriptor, bundle);
+ lst.add(moduleDescriptor);
+ }
+ 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) {
+ if (md.getName() == null || md.getVersion() == null)
+ throw new SlcException("Name and version not available.");
+
+ Bundle[] bundles = bundlesManager.getBundleContext().getBundles();
+ for (Bundle b : bundles) {
+ if (b.getSymbolicName().equals(md.getName())
+ && md.getVersion().equals(
+ getHeaderSafe(b, Constants.BUNDLE_VERSION))) {
+ bdl = b;
+ break;
+ }
+ }
+
+ }
+
+ if (bdl == null)
+ throw new SlcException("Cannot find bundle.");
+
+ md.setName(bdl.getSymbolicName());
+ md.setVersion(getHeaderSafe(bdl, Constants.BUNDLE_VERSION));
+ 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) {
+ Object obj = bundle.getHeaders().get(key);
+ if (obj == null)
+ return null;
+ else
+ return obj.toString();
+ }
+
+ /*
+ * REGISTRATION
+ */
+
+ /** Registers an execution context. */
+ public synchronized void register(ExecutionContext executionContext,
+ Map<String, String> 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<String, String> properties) {
+ OsgiBundle osgiBundle = asOsgiBundle(properties);
+ if (executionContexts.containsKey(osgiBundle)) {
+ executionContexts.remove(osgiBundle);
+ if (log.isTraceEnabled())
+ 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<String, String> properties) {
+ OsgiBundle osgiBundle = asOsgiBundle(properties);
+ if (!executionFlows.containsKey(osgiBundle)) {
+ executionFlows.put(osgiBundle, new HashSet<ExecutionFlow>());
+ }
+ executionFlows.get(osgiBundle).add(executionFlow);
if (log.isTraceEnabled())
- log.trace("Executing " + realizedFlow);
+ 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<String, String> properties) {
+ OsgiBundle osgiBundle = asOsgiBundle(properties);
+ if (executionFlows.containsKey(osgiBundle)) {
+ Set<ExecutionFlow> flows = executionFlows.get(osgiBundle);
+ flows.remove(executionFlow);
+ if (log.isTraceEnabled())
+ 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));
+ }
+ }
+
+ /** Registers an execution module listener. */
+ public synchronized void register(
+ ExecutionModulesListener executionModulesListener,
+ Map<String, String> 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<String, String> 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());
+ }
- String moduleName = realizedFlow.getModuleName();
- String moduleVersion = realizedFlow.getModuleVersion();
+ }
- // Check whether a descriptor converter is published by this module
- ExecutionFlowDescriptorConverter descriptorConverter = findExecutionFlowDescriptorConverter(
- moduleName, moduleVersion);
+ @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);
+ } else {
+ // ignore
+ }
+ }
- final Map<? extends String, ? extends Object> variablesToAdd;
- if (descriptorConverter != null)
- variablesToAdd = descriptorConverter.convertValues(realizedFlow
- .getFlowDescriptor());
+ @SuppressWarnings("rawtypes")
+ public synchronized void unbind(Object service, Map properties)
+ throws Exception {
+ 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);
+ }
+ } else {
+ // ignore
+ }
+ }
+
+ /*
+ * 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);
+ String bundleVersion = checkAndGet(Constants.BUNDLE_VERSION, properties);
+ return new OsgiBundle(bundleSymbolicName, bundleVersion);
+ }
+
+ @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);
else
- variablesToAdd = defaultDescriptorConverter
- .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();
- //
- //
- //
+ 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;
}
}
projects / gpl / argeo-slc.git / blobdiff