Rename SLC Core into SLC Spring.

[gpl/argeo-slc.git] / org.argeo.slc.spring / src / org / argeo / slc / jcr / execution / JcrRealizedFlow.java

diff --git a/org.argeo.slc.spring/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java b/org.argeo.slc.spring/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java
new file mode 100644 (file)
index 0000000..c371b11
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java
@@ -0,0 +1,143 @@
+package org.argeo.slc.jcr.execution;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+
+import org.argeo.slc.SlcException;
+import org.argeo.slc.SlcNames;
+import org.argeo.slc.SlcTypes;
+import org.argeo.slc.core.execution.DefaultExecutionSpec;
+import org.argeo.slc.core.execution.PrimitiveSpecAttribute;
+import org.argeo.slc.core.execution.PrimitiveUtils;
+import org.argeo.slc.core.execution.RefSpecAttribute;
+import org.argeo.slc.execution.ExecutionFlowDescriptor;
+import org.argeo.slc.execution.ExecutionSpecAttribute;
+import org.argeo.slc.execution.RealizedFlow;
+import org.argeo.slc.jcr.SlcJcrUtils;
+
+public class JcrRealizedFlow extends RealizedFlow implements SlcNames {
+       private static final long serialVersionUID = -3709453850260712001L;
+       private String path;
+
+       public JcrRealizedFlow(Node node) {
+               try {
+                       this.path = node.getPath();
+                       loadFromNode(node);
+               } catch (RepositoryException e) {
+                       throw new SlcException("Cannot initialize from " + node, e);
+               }
+       }
+
+       protected void loadFromNode(Node realizedFlowNode)
+                       throws RepositoryException {
+               if (realizedFlowNode.hasNode(SLC_ADDRESS)) {
+                       String flowPath = realizedFlowNode.getNode(SLC_ADDRESS)
+                                       .getProperty(Property.JCR_PATH).getString();
+                       // TODO: convert to local path if remote
+                       // FIXME start related module
+                       Node flowNode = realizedFlowNode.getSession().getNode(flowPath);
+                       String flowName = flowNode.getProperty(SLC_NAME).getString();
+                       String description = null;
+                       if (flowNode.hasProperty(Property.JCR_DESCRIPTION))
+                               description = flowNode.getProperty(Property.JCR_DESCRIPTION)
+                                               .getString();
+
+                       Node executionModuleNode = flowNode.getSession().getNode(
+                                       SlcJcrUtils.modulePath(flowPath));
+                       String executionModuleName = executionModuleNode.getProperty(
+                                       SLC_NAME).getString();
+                       String executionModuleVersion = executionModuleNode.getProperty(
+                                       SLC_VERSION).getString();
+
+                       RealizedFlow realizedFlow = this;
+                       realizedFlow.setModuleName(executionModuleName);
+                       realizedFlow.setModuleVersion(executionModuleVersion);
+
+                       // retrieve execution spec
+                       DefaultExecutionSpec executionSpec = new DefaultExecutionSpec();
+                       Map<String, ExecutionSpecAttribute> attrs = readExecutionSpecAttributes(realizedFlowNode);
+                       executionSpec.setAttributes(attrs);
+
+                       // set execution spec name
+                       if (flowNode.hasProperty(SlcNames.SLC_SPEC)) {
+                               Node executionSpecNode = flowNode.getProperty(SLC_SPEC)
+                                               .getNode();
+                               executionSpec.setBeanName(executionSpecNode.getProperty(
+                                               SLC_NAME).getString());
+                       }
+
+                       // explicitly retrieve values
+                       Map<String, Object> values = new HashMap<String, Object>();
+                       for (String attrName : attrs.keySet()) {
+                               ExecutionSpecAttribute attr = attrs.get(attrName);
+                               Object value = attr.getValue();
+                               values.put(attrName, value);
+                       }
+
+                       ExecutionFlowDescriptor efd = new ExecutionFlowDescriptor(flowName,
+                                       description, values, executionSpec);
+                       realizedFlow.setFlowDescriptor(efd);
+               } else {
+                       throw new SlcException("Unsupported realized flow "
+                                       + realizedFlowNode);
+               }
+       }
+
+       protected Map<String, ExecutionSpecAttribute> readExecutionSpecAttributes(
+                       Node node) {
+               try {
+                       Map<String, ExecutionSpecAttribute> attrs = new HashMap<String, ExecutionSpecAttribute>();
+                       for (NodeIterator nit = node.getNodes(); nit.hasNext();) {
+                               Node specAttrNode = nit.nextNode();
+                               if (specAttrNode
+                                               .isNodeType(SlcTypes.SLC_PRIMITIVE_SPEC_ATTRIBUTE)) {
+                                       String type = specAttrNode.getProperty(SLC_TYPE)
+                                                       .getString();
+                                       Object value = null;
+                                       if (specAttrNode.hasProperty(SLC_VALUE)) {
+                                               String valueStr = specAttrNode.getProperty(SLC_VALUE)
+                                                               .getString();
+                                               value = PrimitiveUtils.convert(type, valueStr);
+                                       }
+                                       PrimitiveSpecAttribute specAttr = new PrimitiveSpecAttribute(
+                                                       type, value);
+                                       attrs.put(specAttrNode.getName(), specAttr);
+                               } else if (specAttrNode
+                                               .isNodeType(SlcTypes.SLC_REF_SPEC_ATTRIBUTE)) {
+                                       if (!specAttrNode.hasProperty(SLC_VALUE)) {
+                                               continue;
+                                       }
+                                       Integer value = (int) specAttrNode.getProperty(SLC_VALUE)
+                                                       .getLong();
+                                       RefSpecAttribute specAttr = new RefSpecAttribute();
+                                       NodeIterator children = specAttrNode.getNodes();
+                                       int index = 0;
+                                       String id = null;
+                                       while (children.hasNext()) {
+                                               Node child = children.nextNode();
+                                               if (index == value)
+                                                       id = child.getName();
+                                               index++;
+                                       }
+                                       specAttr.setValue(id);
+                                       attrs.put(specAttrNode.getName(), specAttr);
+                               }
+                               // throw new SlcException("Unsupported spec attribute "
+                               // + specAttrNode);
+                       }
+                       return attrs;
+               } catch (RepositoryException e) {
+                       throw new SlcException("Cannot read spec attributes from " + node,
+                                       e);
+               }
+       }
+
+       public String getPath() {
+               return path;
+       }
+}