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diff --git a/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java
new file mode 100644
index 0000000..b7444d4
--- /dev/null
+++ b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/execution/JcrRealizedFlow.java
@@ -0,0 +1,133 @@
+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 javax.jcr.Session;
+
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.SlcNames;
+import org.argeo.slc.SlcTypes;
+import org.argeo.slc.execution.ExecutionFlowDescriptor;
+import org.argeo.slc.execution.ExecutionSpecAttribute;
+import org.argeo.slc.execution.RealizedFlow;
+import org.argeo.slc.execution.RefSpecAttribute;
+import org.argeo.slc.jcr.SlcJcrUtils;
+import org.argeo.slc.primitive.PrimitiveSpecAttribute;
+import org.argeo.slc.primitive.PrimitiveUtils;
+import org.argeo.slc.runtime.DefaultExecutionSpec;
+
+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
+			Session agentSession = realizedFlowNode.getSession().getRepository().login();
+			try {
+				Node flowNode = agentSession.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.setName(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);
+
+			} finally {
+				JcrUtils.logoutQuietly(agentSession);
+			}
+		} 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;
+	}
+}