runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/core/execution/AbstractSpringExecutionModule.java

   1 package org.argeo.slc.core.execution;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5 import java.util.TreeMap;
   6
   7 import org.argeo.slc.SlcException;
   8 import org.argeo.slc.execution.ExecutionFlow;
   9 import org.argeo.slc.execution.ExecutionFlowDescriptor;
  10 import org.argeo.slc.execution.ExecutionModule;
  11 import org.argeo.slc.execution.ExecutionModuleDescriptor;
  12 import org.argeo.slc.execution.ExecutionSpec;
  13 import org.argeo.slc.execution.ExecutionSpecAttribute;
  14 import org.argeo.slc.process.SlcExecution;
  15 import org.springframework.aop.scope.ScopedObject;
  16 import org.springframework.beans.BeansException;
  17 import org.springframework.beans.factory.generic.GenericBeanFactoryAccessor;
  18 import org.springframework.context.ApplicationContext;
  19 import org.springframework.context.ApplicationContextAware;
  20 import org.springframework.util.Assert;
  21
  22 public abstract class AbstractSpringExecutionModule implements ExecutionModule,
  23                 ApplicationContextAware {
  24         private ApplicationContext applicationContext;
  25
  26         public ExecutionModuleDescriptor getDescriptor() {
  27                 ExecutionModuleDescriptor md = new ExecutionModuleDescriptor();
  28                 md.setName(getName());
  29                 md.setVersion(getVersion());
  30
  31                 GenericBeanFactoryAccessor accessor = new GenericBeanFactoryAccessor(
  32                                 applicationContext);
  33                 Map<String, ExecutionFlow> executionFlows = accessor
  34                                 .getBeansOfType(ExecutionFlow.class);
  35
  36                 for (String name : executionFlows.keySet()) {
  37                         ExecutionFlow executionFlow = executionFlows.get(name);
  38
  39                         Assert.notNull(executionFlow.getName());
  40                         Assert.state(name.equals(executionFlow.getName()));
  41
  42                         ExecutionSpec executionSpec = executionFlow.getExecutionSpec();
  43                         Assert.notNull(executionSpec);
  44                         Assert.notNull(executionSpec.getName());
  45
  46                         Map<String, Object> values = new TreeMap<String, Object>();
  47                         for (String key : executionSpec.getAttributes().keySet()) {
  48                                 ExecutionSpecAttribute attribute = executionSpec
  49                                                 .getAttributes().get(key);
  50
  51                                 if (executionFlow.isSetAsParameter(key)) {
  52                                         Object value = executionFlow.getParameter(key);
  53                                         if (attribute instanceof PrimitiveSpecAttribute) {
  54                                                 PrimitiveValue primitiveValue = new PrimitiveValue();
  55                                                 primitiveValue
  56                                                                 .setType(((PrimitiveSpecAttribute) attribute)
  57                                                                                 .getType());
  58                                                 primitiveValue.setValue(value);
  59                                                 values.put(key, primitiveValue);
  60                                         } else if (attribute instanceof RefSpecAttribute) {
  61                                                 RefValue refValue = new RefValue();
  62                                                 if (value instanceof ScopedObject) {
  63                                                         refValue.setLabel("RUNTIME "
  64                                                                         + value.getClass().getName());
  65                                                 } else {
  66                                                         refValue.setLabel("STATIC "
  67                                                                         + value.getClass().getName());
  68                                                 }
  69                                                 values.put(key, refValue);
  70                                         } else {
  71                                                 throw new SlcException("Unkown spec attribute type "
  72                                                                 + attribute.getClass());
  73                                         }
  74                                 }
  75
  76                         }
  77
  78                         ExecutionFlowDescriptor efd = new ExecutionFlowDescriptor(name,
  79                                         values, executionSpec);
  80
  81                         // Add execution spec if necessary
  82                         if (!md.getExecutionSpecs().contains(executionSpec))
  83                                 md.getExecutionSpecs().add(executionSpec);
  84
  85                         // Add execution flow
  86                         md.getExecutionFlows().add(efd);
  87                 }
  88
  89                 return md;
  90         }
  91
  92         public void execute(SlcExecution slcExecution) {
  93                 applicationContext.publishEvent(new NewExecutionEvent(this,
  94                                 slcExecution));
  95         }
  96
  97         public void setApplicationContext(ApplicationContext applicationContext)
  98                         throws BeansException {
  99                 this.applicationContext = applicationContext;
 100         }
 101
 102 }