+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * 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.util.ArrayList;
-import java.util.Arrays;
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 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.build.NameVersion;
import org.argeo.slc.core.execution.AbstractExecutionModulesManager;
import org.argeo.slc.core.execution.DefaultExecutionFlowDescriptorConverter;
import org.argeo.slc.deploy.ModuleDescriptor;
import org.argeo.slc.process.RealizedFlow;
import org.osgi.framework.Bundle;
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.springframework.osgi.service.importer.OsgiServiceLifecycleListener;
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 {
private final static Log log = LogFactory
.getLog(OsgiExecutionModulesManager.class);
private BundlesManager bundlesManager;
- private ServiceTracker executionContextsTracker;
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 Boolean useCachedServices = Boolean.parseBoolean(System
- .getProperty(PROPERTY_CACHE_SERVICES, "true"));
-
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<OsgiBundle> 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<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.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.setLabel(osgiBundle.getLabel());
+ 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<ExecutionModuleDescriptor> listExecutionModules() {
List<ExecutionModuleDescriptor> descriptors = new ArrayList<ExecutionModuleDescriptor>();
- if (useCachedServices) {
- for (Iterator<OsgiBundle> 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<ServiceReference> 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<OsgiBundle> iterator = executionContexts.keySet()
+ .iterator(); iterator.hasNext();) {
+ OsgiBundle osgiBundle = iterator.next();
+ ExecutionModuleDescriptor md = new ExecutionModuleDescriptor();
+ setMetadataFromBundle(md,
+ bundlesManager.findRelatedBundle(osgiBundle));
+ descriptors.add(md);
}
return descriptors;
}
String moduleName, String moduleVersion) {
Map<String, ExecutionFlow> flows = new HashMap<String, ExecutionFlow>();
- if (useCachedServices) {
- 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);
- } 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<ExecutionFlow> flowsT = executionFlows.get(key);
+ for (ExecutionFlow flow : flowsT)
+ flows.put(flow.getName(), flow);
return flows;
}
this.bundlesManager = bundlesManager;
}
- public void afterPropertiesSet() throws Exception {
- if (!useCachedServices)
- executionContextsTracker = bundlesManager
- .newTracker(ExecutionContext.class);
- }
-
- public void destroy() throws Exception {
- if (executionContextsTracker != null)
- executionContextsTracker.close();
- }
-
/**
* Builds a minimal realized flow, based on the provided information
* (typically from the command line).
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;
}
}
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);
+ if (executionFlowDescriptorConverters.containsKey(osgiBundle))
+ return executionFlowDescriptorConverters.get(osgiBundle);
+ else
+ return defaultDescriptorConverter;
}
public ModuleDescriptor getModuleDescriptor(String moduleName,
return obj.toString();
}
- @SuppressWarnings("unchecked")
+ @SuppressWarnings({ "rawtypes", "unchecked" })
public synchronized void bind(Object service, Map properties)
throws Exception {
if (service instanceof ExecutionContext) {
}
executionFlows.get(osgiBundle).add(executionFlow);
if (log.isTraceEnabled())
- log
- .debug("Registered " + executionFlow + " from "
- + osgiBundle);
+ log.debug("Registered " + executionFlow + " from " + osgiBundle);
for (ExecutionModulesListener listener : getExecutionModulesListeners())
listener.executionFlowAdded(osgiBundle, executionFlow);
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) {
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")
+ @SuppressWarnings("rawtypes")
private OsgiBundle asOsgiBundle(Map properties) {
String bundleSymbolicName = checkAndGet(Constants.BUNDLE_SYMBOLICNAME,
properties);
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);
projects / gpl / argeo-slc.git / blobdiff