+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.jcr.execution;
import java.util.Arrays;
import java.util.Iterator;
+import java.util.List;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Property;
+import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.jcr.JcrUtils;
import org.argeo.slc.SlcException;
+import org.argeo.slc.core.execution.PrimitiveSpecAttribute;
+import org.argeo.slc.core.execution.PrimitiveValue;
+import org.argeo.slc.core.execution.RefSpecAttribute;
+import org.argeo.slc.core.execution.RefValueChoice;
import org.argeo.slc.deploy.ModuleDescriptor;
import org.argeo.slc.execution.ExecutionFlowDescriptor;
+import org.argeo.slc.execution.ExecutionModuleDescriptor;
import org.argeo.slc.execution.ExecutionModulesListener;
+import org.argeo.slc.execution.ExecutionModulesManager;
+import org.argeo.slc.execution.ExecutionSpec;
+import org.argeo.slc.execution.ExecutionSpecAttribute;
import org.argeo.slc.jcr.SlcJcrUtils;
import org.argeo.slc.jcr.SlcNames;
import org.argeo.slc.jcr.SlcTypes;
* Synchronizes the local execution runtime with a JCR repository. For the time
* being the state is completely reset from one start to another.
*/
-public class JcrExecutionModulesListener implements ExecutionModulesListener {
+public class JcrExecutionModulesListener implements ExecutionModulesListener,
+ SlcNames {
+ private final static String SLC_EXECUTION_MODULES_PROPERTY = "slc.executionModules";
+
private final static Log log = LogFactory
.getLog(JcrExecutionModulesListener.class);
private JcrAgent agent;
+ private ExecutionModulesManager modulesManager;
+
+ private Repository repository;
/**
* We don't use a thread bound session because many different threads will
* call this critical component and we don't want to login each time. We
* LIFECYCLE
*/
public void init() {
- clearAgent();
+ try {
+ session = repository.login();
+ clearAgent();
+ if (modulesManager != null) {
+ Node agentNode = session.getNode(agent.getNodePath());
+
+ List<ModuleDescriptor> moduleDescriptors = modulesManager
+ .listModules();
+
+ // scan SLC-ExecutionModule metadata
+ for (ModuleDescriptor md : moduleDescriptors) {
+ if (md.getMetadata().containsKey(
+ ExecutionModuleDescriptor.SLC_EXECUTION_MODULE)) {
+ String moduleNodeName = SlcJcrUtils
+ .getModuleNodeName(md);
+ Node moduleNode = agentNode.hasNode(moduleNodeName) ? agentNode
+ .getNode(moduleNodeName) : agentNode
+ .addNode(moduleNodeName);
+ moduleNode.addMixin(SlcTypes.SLC_EXECUTION_MODULE);
+ moduleNode.setProperty(SLC_NAME, md.getName());
+ moduleNode.setProperty(SLC_VERSION, md.getVersion());
+ moduleNode.setProperty(Property.JCR_TITLE,
+ md.getTitle());
+ moduleNode.setProperty(Property.JCR_DESCRIPTION,
+ md.getDescription());
+ moduleNode.setProperty(SLC_STARTED, md.getStarted());
+ }
+ }
+
+ // scan execution modules property
+ String executionModules = System
+ .getProperty(SLC_EXECUTION_MODULES_PROPERTY);
+ if (executionModules != null) {
+ for (String executionModule : executionModules.split(",")) {
+ allModules: for (ModuleDescriptor md : moduleDescriptors) {
+ String moduleNodeName = SlcJcrUtils
+ .getModuleNodeName(md);
+ if (md.getName().equals(executionModule)) {
+ Node moduleNode = agentNode
+ .hasNode(moduleNodeName) ? agentNode
+ .getNode(moduleNodeName) : agentNode
+ .addNode(moduleNodeName);
+ moduleNode
+ .addMixin(SlcTypes.SLC_EXECUTION_MODULE);
+ moduleNode.setProperty(SLC_NAME, md.getName());
+ moduleNode.setProperty(SLC_VERSION,
+ md.getVersion());
+ moduleNode.setProperty(Property.JCR_TITLE,
+ md.getTitle());
+ moduleNode.setProperty(
+ Property.JCR_DESCRIPTION,
+ md.getDescription());
+ moduleNode.setProperty(SLC_STARTED,
+ md.getStarted());
+ break allModules;
+ }
+ }
+ }
+
+ // save if needed
+ if (session.hasPendingChanges())
+ session.save();
+ }
+ }
+ } catch (RepositoryException e) {
+ JcrUtils.discardQuietly(session);
+ JcrUtils.logoutQuietly(session);
+ throw new SlcException("Cannot initialize modules", e);
+ }
}
- public void dispose() {
+ public void destroy() {
clearAgent();
- session.logout();
+ JcrUtils.logoutQuietly(session);
}
protected synchronized void clearAgent() {
/*
* EXECUTION MODULES LISTENER
*/
+
public synchronized void executionModuleAdded(
ModuleDescriptor moduleDescriptor) {
+ syncExecutionModule(moduleDescriptor);
+ }
+
+ protected void syncExecutionModule(ModuleDescriptor moduleDescriptor) {
try {
Node agentNode = session.getNode(agent.getNodePath());
String moduleNodeName = SlcJcrUtils
.getNode(moduleNodeName) : agentNode
.addNode(moduleNodeName);
moduleNode.addMixin(SlcTypes.SLC_EXECUTION_MODULE);
- moduleNode.setProperty(SlcNames.SLC_NAME,
- moduleDescriptor.getName());
- moduleNode.setProperty(SlcNames.SLC_VERSION,
- moduleDescriptor.getVersion());
+ moduleNode.setProperty(SLC_NAME, moduleDescriptor.getName());
+ moduleNode.setProperty(SLC_VERSION, moduleDescriptor.getVersion());
moduleNode.setProperty(Property.JCR_TITLE,
moduleDescriptor.getTitle());
moduleNode.setProperty(Property.JCR_DESCRIPTION,
moduleDescriptor.getDescription());
+ moduleNode.setProperty(SLC_STARTED, moduleDescriptor.getStarted());
session.save();
} catch (RepositoryException e) {
JcrUtils.discardQuietly(session);
- throw new SlcException("Cannot add module " + moduleDescriptor, e);
+ throw new SlcException("Cannot sync module " + moduleDescriptor, e);
}
-
}
public synchronized void executionModuleRemoved(
try {
String moduleName = SlcJcrUtils.getModuleNodeName(moduleDescriptor);
Node agentNode = session.getNode(agent.getNodePath());
- if (agentNode.hasNode(moduleName))
- agentNode.getNode(moduleName).remove();
- agentNode.getSession().save();
+ if (agentNode.hasNode(moduleName)) {
+ Node moduleNode = agentNode.getNode(moduleName);
+ for (NodeIterator nit = moduleNode.getNodes(); nit.hasNext();) {
+ nit.nextNode().remove();
+ }
+ moduleNode.setProperty(SLC_STARTED, false);
+ }
+ session.save();
} catch (RepositoryException e) {
+ JcrUtils.discardQuietly(session);
throw new SlcException("Cannot remove module " + moduleDescriptor,
e);
}
}
public synchronized void executionFlowAdded(ModuleDescriptor module,
- ExecutionFlowDescriptor executionFlow) {
+ ExecutionFlowDescriptor efd) {
try {
Node agentNode = session.getNode(agent.getNodePath());
Node moduleNode = agentNode.getNode(SlcJcrUtils
.getModuleNodeName(module));
- String relativePath = getExecutionFlowRelativePath(executionFlow);
+ String relativePath = getExecutionFlowRelativePath(efd);
+ @SuppressWarnings("unused")
Node flowNode = null;
if (!moduleNode.hasNode(relativePath)) {
- Iterator<String> names = Arrays.asList(relativePath.split("/"))
- .iterator();
- // create intermediary paths
- Node currNode = moduleNode;
- while (names.hasNext()) {
- String name = names.next();
- if (currNode.hasNode(name))
- currNode = currNode.getNode(name);
- else {
- if (names.hasNext())
- currNode = currNode.addNode(name);
- else
- flowNode = currNode.addNode(name,
- SlcTypes.SLC_EXECUTION_FLOW);
- }
- }
- flowNode.setProperty(SlcNames.SLC_NAME, executionFlow.getName());
+ flowNode = createExecutionFlowNode(moduleNode, relativePath,
+ efd);
session.save();
} else {
flowNode = moduleNode.getNode(relativePath);
}
if (log.isTraceEnabled())
- log.trace("Flow " + executionFlow + " added to JCR");
+ log.trace("Flow " + efd + " added to JCR");
} catch (RepositoryException e) {
JcrUtils.discardQuietly(session);
- throw new SlcException("Cannot add flow " + executionFlow
- + " from module " + module, e);
+ throw new SlcException("Cannot add flow " + efd + " from module "
+ + module, e);
+ }
+
+ }
+
+ protected Node createExecutionFlowNode(Node moduleNode,
+ String relativePath, ExecutionFlowDescriptor efd)
+ throws RepositoryException {
+ Node flowNode = null;
+ List<String> pathTokens = Arrays.asList(relativePath.split("/"));
+
+ Iterator<String> names = pathTokens.iterator();
+ // create intermediary paths
+ Node currNode = moduleNode;
+ while (names.hasNext()) {
+ String name = names.next();
+ if (currNode.hasNode(name))
+ currNode = currNode.getNode(name);
+ else {
+ if (names.hasNext())
+ currNode = currNode.addNode(name);
+ else
+ flowNode = currNode.addNode(name,
+ SlcTypes.SLC_EXECUTION_FLOW);
+ }
+ }
+
+ // name, description
+ flowNode.setProperty(SLC_NAME, efd.getName());
+ String endName = pathTokens.get(pathTokens.size() - 1);
+ flowNode.setProperty(Property.JCR_TITLE, endName);
+ if (efd.getDescription() != null
+ && !efd.getDescription().trim().equals("")) {
+ flowNode.setProperty(Property.JCR_DESCRIPTION, efd.getDescription());
+ } else {
+ flowNode.setProperty(Property.JCR_DESCRIPTION, endName);
+ }
+
+ // execution spec
+ ExecutionSpec executionSpec = efd.getExecutionSpec();
+ String esName = executionSpec.getName();
+ if (esName == null || esName.equals(ExecutionSpec.INTERNAL_NAME)
+ || esName.contains("#")/* automatically generated bean name */) {
+ // internal spec node
+ mapExecutionSpec(flowNode, executionSpec);
+ } else {
+ // reference spec node
+ Node executionSpecsNode = moduleNode.hasNode(SLC_EXECUTION_SPECS) ? moduleNode
+ .getNode(SLC_EXECUTION_SPECS) : moduleNode
+ .addNode(SLC_EXECUTION_SPECS);
+ Node executionSpecNode = executionSpecsNode.addNode(esName,
+ SlcTypes.SLC_EXECUTION_SPEC);
+ executionSpecNode.setProperty(SLC_NAME, esName);
+ executionSpecNode.setProperty(Property.JCR_TITLE, esName);
+ if (executionSpec.getDescription() != null
+ && !executionSpec.getDescription().trim().equals(""))
+ executionSpecNode.setProperty(Property.JCR_DESCRIPTION,
+ executionSpec.getDescription());
+ mapExecutionSpec(executionSpecNode, executionSpec);
+ flowNode.setProperty(SLC_SPEC, executionSpecNode);
+ }
+
+ // values
+ for (String attr : efd.getValues().keySet()) {
+ ExecutionSpecAttribute esa = executionSpec.getAttributes()
+ .get(attr);
+ if (!flowNode.hasNode(attr))
+ throw new SlcException("No spec node for attribute '" + attr
+ + "' in flow " + flowNode.getPath());
+ if (esa instanceof PrimitiveSpecAttribute) {
+ PrimitiveSpecAttribute psa = (PrimitiveSpecAttribute) esa;
+ Node valueNode = flowNode.getNode(attr);
+ valueNode.setProperty(SLC_TYPE, psa.getType());
+ SlcJcrUtils.setPrimitiveAsProperty(valueNode, SLC_VALUE,
+ (PrimitiveValue) efd.getValues().get(attr));
+ }
}
+ return flowNode;
+ }
+
+ /**
+ * Base can be either an execution spec node, or an execution flow node (in
+ * case the execution spec is internal)
+ */
+ protected void mapExecutionSpec(Node baseNode, ExecutionSpec executionSpec)
+ throws RepositoryException {
+ for (String attrName : executionSpec.getAttributes().keySet()) {
+ ExecutionSpecAttribute esa = executionSpec.getAttributes().get(
+ attrName);
+ Node attrNode = baseNode.addNode(attrName);
+ // booleans
+ attrNode.addMixin(SlcTypes.SLC_EXECUTION_SPEC_ATTRIBUTE);
+ attrNode.setProperty(SLC_IS_IMMUTABLE, esa.getIsImmutable());
+ attrNode.setProperty(SLC_IS_CONSTANT, esa.getIsConstant());
+ attrNode.setProperty(SLC_IS_HIDDEN, esa.getIsHidden());
+
+ if (esa instanceof PrimitiveSpecAttribute) {
+ attrNode.addMixin(SlcTypes.SLC_PRIMITIVE_SPEC_ATTRIBUTE);
+ PrimitiveSpecAttribute psa = (PrimitiveSpecAttribute) esa;
+ SlcJcrUtils.setPrimitiveAsProperty(attrNode, SLC_VALUE, psa);
+ attrNode.setProperty(SLC_TYPE, psa.getType());
+ } else if (esa instanceof RefSpecAttribute) {
+ attrNode.addMixin(SlcTypes.SLC_REF_SPEC_ATTRIBUTE);
+ RefSpecAttribute rsa = (RefSpecAttribute) esa;
+ attrNode.setProperty(SLC_TYPE, rsa.getTargetClassName());
+ Object value = rsa.getValue();
+ if (rsa.getChoices() != null) {
+ Integer index = null;
+ int count = 0;
+ for (RefValueChoice choice : rsa.getChoices()) {
+ String name = choice.getName();
+ if (value != null && name.equals(value.toString()))
+ index = count;
+ Node choiceNode = attrNode.addNode(choice.getName());
+ choiceNode.addMixin(NodeType.MIX_TITLE);
+ choiceNode.setProperty(Property.JCR_TITLE,
+ choice.getName());
+ if (choice.getDescription() != null
+ && !choice.getDescription().trim().equals(""))
+ choiceNode.setProperty(Property.JCR_DESCRIPTION,
+ choice.getDescription());
+ count++;
+ }
+
+ if (index != null)
+ attrNode.setProperty(SLC_VALUE, index);
+ }
+ }
+ }
}
public synchronized void executionFlowRemoved(ModuleDescriptor module,
Node moduleNode = agentNode.getNode(SlcJcrUtils
.getModuleNodeName(module));
String relativePath = getExecutionFlowRelativePath(executionFlow);
- if (!moduleNode.hasNode(relativePath))
+ if (moduleNode.hasNode(relativePath))
moduleNode.getNode(relativePath).remove();
agentNode.getSession().save();
} catch (RepositoryException e) {
// we assume that it is more than one char long
if (relativePath.charAt(0) == '/')
relativePath = relativePath.substring(1);
+ // FIXME quick hack to avoid duplicate '/'
+ relativePath = relativePath.replaceAll("//", "/");
return relativePath;
}
this.agent = agent;
}
- /** Expects a non-shared session with admin authorization */
- public void setSession(Session session) {
- this.session = session;
+ public void setRepository(Repository repository) {
+ this.repository = repository;
+ }
+
+ public void setModulesManager(ExecutionModulesManager modulesManager) {
+ this.modulesManager = modulesManager;
}
}
projects / gpl / argeo-slc.git / blobdiff