X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=runtime%2Forg.argeo.slc.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fcore%2Fexecution%2FAbstractExecutionModulesManager.java;h=c4832dbc4bceb926b9cc3890d168d716a464780d;hb=5fe677bf811739592b1089471181e39f9cbe4f3f;hp=4722280d9f28663610084e58807b6fd5a40a0e8f;hpb=1d1bc92e4aef2b8b889d7482f91b7ed905f0fb47;p=gpl%2Fargeo-slc.git diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java index 4722280d9..c4832dbc4 100644 --- a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java +++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/AbstractExecutionModulesManager.java @@ -1,222 +1,190 @@ +/* + * 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.core.execution; import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; -import java.util.TreeMap; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; -import org.argeo.slc.SlcException; +import org.argeo.slc.execution.ExecutionContext; import org.argeo.slc.execution.ExecutionFlow; -import org.argeo.slc.execution.ExecutionFlowDescriptor; -import org.argeo.slc.execution.ExecutionModuleDescriptor; +import org.argeo.slc.execution.ExecutionFlowDescriptorConverter; import org.argeo.slc.execution.ExecutionModulesManager; -import org.argeo.slc.execution.ExecutionSpec; -import org.argeo.slc.execution.ExecutionSpecAttribute; +import org.argeo.slc.execution.ExecutionProcess; +import org.argeo.slc.execution.ExecutionProcessNotifier; +import org.argeo.slc.execution.ExecutionStep; import org.argeo.slc.process.RealizedFlow; -import org.argeo.slc.process.SlcExecution; import org.argeo.slc.process.SlcExecutionNotifier; -import org.argeo.slc.process.SlcExecutionStep; -import org.springframework.aop.scope.ScopedObject; -import org.springframework.util.Assert; +/** Provides the base feature of an execution module manager. */ +@SuppressWarnings("deprecation") public abstract class AbstractExecutionModulesManager implements ExecutionModulesManager { private final static Log log = LogFactory .getLog(AbstractExecutionModulesManager.class); private List slcExecutionNotifiers = new ArrayList(); - private ThreadGroup processesThreadGroup = new ThreadGroup("Processes"); - public void process(SlcExecution slcExecution) { - new ProcessThread(processesThreadGroup, slcExecution).start(); + private List filteredNotifiers = Collections + .synchronizedList(new ArrayList()); + + protected abstract ExecutionFlow findExecutionFlow(String moduleName, + String moduleVersion, String flowName); + + protected abstract ExecutionContext findExecutionContext(String moduleName, + String moduleVersion); + + protected abstract ExecutionFlowDescriptorConverter getExecutionFlowDescriptorConverter( + String moduleName, String moduleVersion); + + 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 void dispatchUpdateStatus(SlcExecution slcExecution, + public void dispatchUpdateStatus(ExecutionProcess process, String oldStatus, String newStatus) { - for (Iterator it = slcExecutionNotifiers + // generic notifiers (notified of everything) + for (Iterator it = getSlcExecutionNotifiers() .iterator(); it.hasNext();) { - it.next().updateStatus(slcExecution, oldStatus, newStatus); + it.next().updateStatus(process, oldStatus, newStatus); } - } - protected synchronized void dispatchAddStep(SlcExecution slcExecution, - SlcExecutionStep step) { - slcExecution.getSteps().add(step); - List steps = new ArrayList(); - steps.add(step); - for (Iterator it = slcExecutionNotifiers - .iterator(); it.hasNext();) { - it.next().addSteps(slcExecution, steps); + // filtered notifiers + for (Iterator it = filteredNotifiers.iterator(); it + .hasNext();) { + FilteredNotifier filteredNotifier = it.next(); + if (filteredNotifier.receiveFrom(process)) + filteredNotifier.getNotifier().updateStatus(process, oldStatus, + newStatus); } - } - public void setSlcExecutionNotifiers( - List slcExecutionNotifiers) { - this.slcExecutionNotifiers = slcExecutionNotifiers; } - protected static ExecutionModuleDescriptor createDescriptor( - String moduleName, String moduleVersion, - Map executionFlows) { - // TODO: put this in a separate configurable object - ExecutionModuleDescriptor md = new ExecutionModuleDescriptor(); - md.setName(moduleName); - md.setVersion(moduleVersion); - - for (String name : executionFlows.keySet()) { - ExecutionFlow executionFlow = executionFlows.get(name); - - Assert.notNull(executionFlow.getName()); - Assert.state(name.equals(executionFlow.getName())); - - ExecutionSpec executionSpec = executionFlow.getExecutionSpec(); - Assert.notNull(executionSpec); - Assert.notNull(executionSpec.getName()); - - Map values = new TreeMap(); - for (String key : executionSpec.getAttributes().keySet()) { - ExecutionSpecAttribute attribute = executionSpec - .getAttributes().get(key); - - if (executionFlow.isSetAsParameter(key)) { - Object value = executionFlow.getParameter(key); - if (attribute instanceof PrimitiveSpecAttribute) { - PrimitiveValue primitiveValue = new PrimitiveValue(); - primitiveValue - .setType(((PrimitiveSpecAttribute) attribute) - .getType()); - primitiveValue.setValue(value); - values.put(key, primitiveValue); - } else if (attribute instanceof RefSpecAttribute) { - RefValue refValue = new RefValue(); - if (value instanceof ScopedObject) { - refValue.setLabel("RUNTIME " - + value.getClass().getName()); - } else { - refValue.setLabel("STATIC " - + value.getClass().getName()); - } - values.put(key, refValue); - } else { - throw new SlcException("Unkown spec attribute type " - + attribute.getClass()); - } - } - - } - - ExecutionFlowDescriptor efd = new ExecutionFlowDescriptor(name, - values, executionSpec); - if (executionFlow.getPath() != null) - efd.setPath(executionFlow.getPath()); - - // Add execution spec if necessary - if (!md.getExecutionSpecs().contains(executionSpec)) - md.getExecutionSpecs().add(executionSpec); - - // Add execution flow - md.getExecutionFlows().add(efd); - } - - return md; - } + public void dispatchAddSteps(ExecutionProcess process, + List steps) { + process.addSteps(steps); - /** Thread of the SLC Process, starting the sub executions. */ - private class ProcessThread extends Thread { - private final SlcExecution slcProcess; - private final ThreadGroup processThreadGroup; - private final List flowsToProcess = new ArrayList(); - - public ProcessThread(ThreadGroup processesThreadGroup, - SlcExecution slcExecution) { - super(processesThreadGroup, "SLC Process #" - + slcExecution.getUuid()); - this.slcProcess = slcExecution; - processThreadGroup = new ThreadGroup("SLC Process #" - + slcExecution.getUuid() + " thread group"); + for (Iterator it = getSlcExecutionNotifiers() + .iterator(); it.hasNext();) { + it.next().addSteps(process, steps); } - public void run() { - log.info("\n##\n## Process SLC Execution " + slcProcess + "\n##\n"); + for (Iterator it = filteredNotifiers.iterator(); it + .hasNext();) { + FilteredNotifier filteredNotifier = it.next(); + if (filteredNotifier.receiveFrom(process)) + filteredNotifier.getNotifier().addSteps(process, steps); + } + } - slcProcess.setStatus(SlcExecution.STATUS_RUNNING); - dispatchUpdateStatus(slcProcess, SlcExecution.STATUS_SCHEDULED, - SlcExecution.STATUS_RUNNING); + public void registerProcessNotifier(ExecutionProcessNotifier notifier, + Map properties) { + filteredNotifiers.add(new FilteredNotifier(notifier, properties)); + } - flowsToProcess.addAll(slcProcess.getRealizedFlows()); + public void unregisterProcessNotifier(ExecutionProcessNotifier notifier, + Map properties) { + filteredNotifiers.remove(notifier); + } - while (flowsToProcess.size() > 0) { - RealizedFlow flow = flowsToProcess.remove(0); - ExecutionThread thread = new ExecutionThread(this, flow); - thread.start(); + public void setSlcExecutionNotifiers( + List slcExecutionNotifiers) { + this.slcExecutionNotifiers = slcExecutionNotifiers; + } - synchronized (this) { - try { - wait(); - } catch (InterruptedException e) { - // silent - } - } - } + private List getSlcExecutionNotifiers() { + return slcExecutionNotifiers; + } - slcProcess.setStatus(SlcExecution.STATUS_FINISHED); - dispatchUpdateStatus(slcProcess, SlcExecution.STATUS_RUNNING, - SlcExecution.STATUS_FINISHED); + protected class FilteredNotifier { + private final ExecutionProcessNotifier notifier; + private final String processId; + + public FilteredNotifier(ExecutionProcessNotifier notifier, + Map properties) { + super(); + this.notifier = notifier; + if (properties == null) + properties = new HashMap(); + if (properties.containsKey(SLC_PROCESS_ID)) + processId = properties.get(SLC_PROCESS_ID); + else + processId = null; } - public synchronized void flowCompleted() { - notifyAll(); + /** + * Whether event from this process should be received by this listener. + */ + public Boolean receiveFrom(ExecutionProcess process) { + if (processId != null) + if (process.getUuid().equals(processId)) + return true; + else + return false; + return true; } - public SlcExecution getSlcProcess() { - return slcProcess; + @Override + public int hashCode() { + return notifier.hashCode(); } - public ThreadGroup getProcessThreadGroup() { - return processThreadGroup; + @Override + public boolean equals(Object obj) { + if (obj instanceof FilteredNotifier) { + FilteredNotifier fn = (FilteredNotifier) obj; + return notifier.equals(fn.notifier); + } else if (obj instanceof ExecutionProcessNotifier) { + ExecutionProcessNotifier epn = (ExecutionProcessNotifier) obj; + return notifier.equals(epn); + } else + return false; } - } - /** Thread of a single execution */ - private class ExecutionThread extends Thread { - private final RealizedFlow realizedFlow; - private final ProcessThread processThread; - - public ExecutionThread(ProcessThread processThread, - RealizedFlow realizedFlow) { - super(processThread.getProcessThreadGroup(), "Flow " - + realizedFlow.getFlowDescriptor().getName()); - this.realizedFlow = realizedFlow; - this.processThread = processThread; + public ExecutionProcessNotifier getNotifier() { + return notifier; } - public void run() { - ExecutionFlowDescriptor executionFlowDescriptor = realizedFlow - .getFlowDescriptor(); - String flowName = executionFlowDescriptor.getName(); - - dispatchAddStep(processThread.getSlcProcess(), - new SlcExecutionStep(SlcExecutionStep.TYPE_PHASE_START, - "Flow " + flowName)); - - try { - execute(realizedFlow); - } catch (Exception e) { - // TODO: re-throw exception ? - String msg = "Execution of flow " + flowName + " failed."; - log.error(msg, e); - dispatchAddStep(processThread.getSlcProcess(), - new SlcExecutionStep(msg + " " + e.getMessage())); - } finally { - processThread.flowCompleted(); - dispatchAddStep(processThread.getSlcProcess(), - new SlcExecutionStep(SlcExecutionStep.TYPE_PHASE_END, - "Flow " + flowName)); - } - } } - }