-/*\r
- * Copyright (C) 2007-2012 Argeo GmbH\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-package org.argeo.slc.runtime;\r
-\r
-import java.util.Stack;\r
-\r
-import org.apache.commons.logging.Log;\r
-import org.apache.commons.logging.LogFactory;\r
-import org.argeo.slc.SlcException;\r
-import org.argeo.slc.execution.ExecutionFlow;\r
-import org.argeo.slc.execution.ExecutionSpecAttribute;\r
-import org.argeo.slc.execution.RefSpecAttribute;\r
-import org.argeo.slc.primitive.PrimitiveSpecAttribute;\r
-import org.argeo.slc.primitive.PrimitiveUtils;\r
-\r
-/** Manage parameters that need to be set during the instantiation of a flow */\r
-public class InstantiationManager {\r
-\r
- private final static Log log = LogFactory\r
- .getLog(InstantiationManager.class);\r
-\r
- private ThreadLocal<Stack<ExecutionFlow>> flowStack = new ThreadLocal<Stack<ExecutionFlow>>();\r
-\r
- public Object createRef(String name) {\r
-\r
- if ((flowStack.get() == null) || flowStack.get().empty()) {\r
- throw new SlcException("No flow is currently initializing."\r
- + " Declare ParameterRef as inner beans or prototypes.");\r
- }\r
-\r
- return getInitializingFlowParameter(name);\r
- }\r
-\r
- public void flowInitializationStarted(ExecutionFlow flow, String flowName) {\r
- // set the flow name if it is DefaultExecutionFlow\r
- if (flow instanceof DefaultExecutionFlow) {\r
- ((DefaultExecutionFlow) flow).setName(flowName);\r
- }\r
-\r
- if (log.isTraceEnabled())\r
- log.trace("Start initialization of " + flow.hashCode() + " ("\r
- + flow + " - " + flow.getClass() + ")");\r
-\r
- // log.info("# flowInitializationStarted " + flowName);\r
- // create a stack for this thread if there is none\r
- if (flowStack.get() == null) {\r
- flowStack.set(new Stack<ExecutionFlow>());\r
- }\r
- flowStack.get().push(flow);\r
- }\r
-\r
- public void flowInitializationFinished(ExecutionFlow flow, String flowName) {\r
- if (log.isTraceEnabled())\r
- log.trace("Finish initialization of " + flow.hashCode() + " ("\r
- + flow + " - " + flow.getClass() + ")");\r
-\r
- if (flowStack.get() != null) {\r
- ExecutionFlow registeredFlow = flowStack.get().pop();\r
- if (registeredFlow != null) {\r
- if (!flow.getName().equals(registeredFlow.getName()))\r
- throw new SlcException("Current flow is " + flow);\r
- // log.info("# flowInitializationFinished " + flowName);\r
- // initializingFlow.set(null);\r
- }\r
- } else {\r
- // happens for flows imported as services\r
- log.warn("flowInitializationFinished - Flow Stack is null");\r
- }\r
- }\r
-\r
- protected ExecutionFlow findInitializingFlowWithParameter(String key) {\r
- if ((flowStack.get() == null) || flowStack.get().empty())\r
- throw new SlcException("No initializing flow available.");\r
-\r
- // first look in the outer flow (that may override parameters)\r
- for (int i = 0; i < flowStack.get().size(); i++) {\r
- if (flowStack.get().elementAt(i).isSetAsParameter(key)) {\r
- return flowStack.get().elementAt(i);\r
- }\r
- }\r
- throw new SlcException("Key " + key + " is not set as parameter in "\r
- + flowStack.get().firstElement().toString() + " (stack size="\r
- + flowStack.get().size() + ")");\r
-\r
- }\r
-\r
- public Object getInitializingFlowParameter(String key) {\r
- return findInitializingFlowWithParameter(key).getParameter(key);\r
- }\r
-\r
- public Class<?> getInitializingFlowParameterClass(String key) {\r
- ExecutionSpecAttribute attr = findInitializingFlowWithParameter(key)\r
- .getExecutionSpec().getAttributes().get(key);\r
- if (attr instanceof RefSpecAttribute)\r
- return ((RefSpecAttribute) attr).getTargetClass();\r
- else if (attr instanceof PrimitiveSpecAttribute) {\r
- String type = ((PrimitiveSpecAttribute) attr).getType();\r
- Class<?> clss = PrimitiveUtils.typeAsClass(type);\r
- if (clss == null)\r
- throw new SlcException("Cannot convert type " + type\r
- + " to class.");\r
- return clss;\r
- } else\r
- return null;\r
- }\r
-\r
- public Boolean isInFlowInitialization() {\r
- return (flowStack.get() != null) && !flowStack.get().empty();\r
- }\r
-}\r
+package org.argeo.slc.runtime;
+
+import java.lang.System.Logger.Level;
+import java.util.Stack;
+
+import org.argeo.api.slc.SlcException;
+import org.argeo.api.slc.execution.ExecutionFlow;
+import org.argeo.api.slc.execution.ExecutionSpecAttribute;
+import org.argeo.api.slc.execution.RefSpecAttribute;
+import org.argeo.api.slc.primitive.PrimitiveSpecAttribute;
+import org.argeo.api.slc.primitive.PrimitiveUtils;
+
+/** Manage parameters that need to be set during the instantiation of a flow */
+public class InstantiationManager {
+
+ private final static System.Logger logger = System.getLogger(InstantiationManager.class.getName());
+
+ 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);
+ }
+
+ logger.log(Level.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) {
+ logger.log(Level.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
+ logger.log(Level.WARNING, "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();
+ }
+}
projects / gpl / argeo-slc.git / blobdiff