Clarify overall project structure.

[gpl/argeo-slc.git] / cms / org.argeo.slc.runtime / src / org / argeo / slc / runtime / InstantiationManager.java

diff --git a/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/InstantiationManager.java b/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/InstantiationManager.java
deleted file mode 100644 (file)
index 4aea94f..0000000
--- a/cms/org.argeo.slc.runtime/src/org/argeo/slc/runtime/InstantiationManager.java
+++ /dev/null
@@ -1,108 +0,0 @@
-package org.argeo.slc.runtime;
-
-import java.util.Stack;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.slc.SlcException;
-import org.argeo.slc.execution.ExecutionFlow;
-import org.argeo.slc.execution.ExecutionSpecAttribute;
-import org.argeo.slc.execution.RefSpecAttribute;
-import org.argeo.slc.primitive.PrimitiveSpecAttribute;
-import org.argeo.slc.primitive.PrimitiveUtils;
-
-/** Manage parameters that need to be set during the instantiation of a flow */
-public class InstantiationManager {
-
-       private final static Log log = LogFactory
-                       .getLog(InstantiationManager.class);
-
-       private ThreadLocal<Stack<ExecutionFlow>> flowStack = new ThreadLocal<Stack<ExecutionFlow>>();
-
-       public Object createRef(String name) {
-
-               if ((flowStack.get() == null) || flowStack.get().empty()) {
-                       throw new SlcException("No flow is currently initializing."
-                                       + " Declare ParameterRef as inner beans or prototypes.");
-               }
-
-               return getInitializingFlowParameter(name);
-       }
-
-       public void flowInitializationStarted(ExecutionFlow flow, String flowName) {
-               // set the flow name if it is DefaultExecutionFlow
-               if (flow instanceof DefaultExecutionFlow) {
-                       ((DefaultExecutionFlow) flow).setName(flowName);
-               }
-
-               if (log.isTraceEnabled())
-                       log.trace("Start initialization of " + flow.hashCode() + " ("
-                                       + flow + " - " + flow.getClass() + ")");
-
-               // log.info("# flowInitializationStarted " + flowName);
-               // create a stack for this thread if there is none
-               if (flowStack.get() == null) {
-                       flowStack.set(new Stack<ExecutionFlow>());
-               }
-               flowStack.get().push(flow);
-       }
-
-       public void flowInitializationFinished(ExecutionFlow flow, String flowName) {
-               if (log.isTraceEnabled())
-                       log.trace("Finish initialization of " + flow.hashCode() + " ("
-                                       + flow + " - " + flow.getClass() + ")");
-
-               if (flowStack.get() != null) {
-                       ExecutionFlow registeredFlow = flowStack.get().pop();
-                       if (registeredFlow != null) {
-                               if (!flow.getName().equals(registeredFlow.getName()))
-                                       throw new SlcException("Current flow is " + flow);
-                               // log.info("# flowInitializationFinished " + flowName);
-                               // initializingFlow.set(null);
-                       }
-               } else {
-                       // happens for flows imported as services
-                       log.warn("flowInitializationFinished - Flow Stack is null");
-               }
-       }
-
-       protected ExecutionFlow findInitializingFlowWithParameter(String key) {
-               if ((flowStack.get() == null) || flowStack.get().empty())
-                       throw new SlcException("No initializing flow available.");
-
-               // first look in the outer flow (that may override parameters)
-               for (int i = 0; i < flowStack.get().size(); i++) {
-                       if (flowStack.get().elementAt(i).isSetAsParameter(key)) {
-                               return flowStack.get().elementAt(i);
-                       }
-               }
-               throw new SlcException("Key " + key + " is not set as parameter in "
-                               + flowStack.get().firstElement().toString() + " (stack size="
-                               + flowStack.get().size() + ")");
-
-       }
-
-       public Object getInitializingFlowParameter(String key) {
-               return findInitializingFlowWithParameter(key).getParameter(key);
-       }
-
-       public Class<?> getInitializingFlowParameterClass(String key) {
-               ExecutionSpecAttribute attr = findInitializingFlowWithParameter(key)
-                               .getExecutionSpec().getAttributes().get(key);
-               if (attr instanceof RefSpecAttribute)
-                       return ((RefSpecAttribute) attr).getTargetClass();
-               else if (attr instanceof PrimitiveSpecAttribute) {
-                       String type = ((PrimitiveSpecAttribute) attr).getType();
-                       Class<?> clss = PrimitiveUtils.typeAsClass(type);
-                       if (clss == null)
-                               throw new SlcException("Cannot convert type " + type
-                                               + " to class.");
-                       return clss;
-               } else
-                       return null;
-       }
-
-       public Boolean isInFlowInitialization() {
-               return (flowStack.get() != null) && !flowStack.get().empty();
-       }
-}