X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=runtime%2Forg.argeo.slc.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fcore%2Fexecution%2FDefaultExecutionFlow.java;h=1f4601c840b361773510505362c8392647b456a7;hb=6de9c4036be9e318f59a0ffa187570f5999c53cb;hp=a25034e347a3e4dee381b9a2f0819102e91212f7;hpb=8861e83b49d18125979d916418b1e378c6450378;p=gpl%2Fargeo-slc.git

diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
index a25034e34..1f4601c84 100644
--- a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
+++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/DefaultExecutionFlow.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.argeo.slc.core.execution;
 
 import java.util.ArrayList;
@@ -5,20 +20,21 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.argeo.slc.SlcException;
-import org.argeo.slc.core.structure.tree.TreeSPath;
-import org.argeo.slc.core.structure.tree.TreeSRegistry;
 import org.argeo.slc.execution.ExecutionFlow;
 import org.argeo.slc.execution.ExecutionSpec;
 import org.argeo.slc.execution.ExecutionSpecAttribute;
-import org.argeo.slc.structure.StructureAware;
-import org.argeo.slc.structure.StructureRegistry;
 import org.springframework.beans.factory.BeanNameAware;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.validation.MapBindingResult;
 
+/** Default implementation of an execution flow. */
 public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 		BeanNameAware {
+	private final static Log log = LogFactory
+			.getLog(DefaultExecutionFlow.class);
 
 	private final ExecutionSpec executionSpec;
 	private String name = null;
@@ -26,7 +42,8 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 	private List<Runnable> executables = new ArrayList<Runnable>();
 
 	private String path;
-	private StructureRegistry<TreeSPath> registry = new TreeSRegistry();
+
+	private Boolean failOnError = true;
 
 	public DefaultExecutionFlow() {
 		this.executionSpec = new DefaultExecutionSpec();
@@ -60,13 +77,13 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 			ExecutionSpecAttribute attr = executionSpec.getAttributes()
 					.get(key);
 
-			if (attr.getIsParameter() && !isSetAsParameter(key)) {
-				errors.rejectValue(key, "Parameter not set");
+			if (attr.getIsImmutable() && !isSetAsParameter(key)) {
+				errors.rejectValue(key, "Immutable but not set");
 				break;
 			}
 
-			if (attr.getIsFrozen() && !isSetAsParameter(key)) {
-				errors.rejectValue(key, "Frozen but not set as parameter");
+			if (attr.getIsConstant() && !isSetAsParameter(key)) {
+				errors.rejectValue(key, "Constant but not set as parameter");
 				break;
 			}
 
@@ -83,23 +100,59 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 	}
 
 	public void run() {
-		for (Runnable executable : executables) {
-			executable.run();
+		try {
+			for (Runnable executable : executables) {
+				if (Thread.interrupted()) {
+					log.error("Flow '" + getName() + "' killed before '"
+							+ executable + "'");
+					Thread.currentThread().interrupt();
+					return;
+					// throw new ThreadDeath();
+				}
+				this.doExecuteRunnable(executable);
+			}
+		} catch (RuntimeException e) {
+			if (Thread.interrupted()) {
+				log.error("Flow '" + getName()
+						+ "' killed while receiving an unrelated exception", e);
+				Thread.currentThread().interrupt();
+				return;
+				// throw new ThreadDeath();
+			}
+			if (failOnError)
+				throw e;
+			else {
+				log.error("Execution flow failed,"
+						+ " but process did not fail"
+						+ " because failOnError property"
+						+ " is set to false: " + e);
+				if (log.isTraceEnabled())
+					e.printStackTrace();
+			}
 		}
 	}
 
-	@SuppressWarnings(value = { "unchecked" })
+	public void doExecuteRunnable(Runnable runnable) {
+		runnable.run();
+	}
+
 	public void afterPropertiesSet() throws Exception {
+		if (path == null) {
+			if (name.charAt(0) == '/') {
+				path = name.substring(0, name.lastIndexOf('/'));
+			}
+		}
+
 		if (path != null) {
 			for (Runnable executable : executables) {
-				if (executable instanceof StructureAware) {
-					((StructureAware<TreeSPath>) executable).notifyCurrentPath(
-							registry, new TreeSPath(path));
-				} else if (executable instanceof DefaultExecutionFlow) {
+				if (executable instanceof DefaultExecutionFlow) {
 					// so we don't need to have DefaultExecutionFlow
 					// implementing StructureAware
+					// FIXME: probably has side effects
 					DefaultExecutionFlow flow = (DefaultExecutionFlow) executable;
-					flow.setPath(path + '/' + flow.getName());
+					String newPath = path + '/' + flow.getName();
+					flow.setPath(newPath);
+					log.warn(newPath + " was forcibly set on " + flow);
 				}
 			}
 		}
@@ -153,14 +206,21 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 						.getAttributes().get(key).getValue() != null);
 	}
 
+	@Override
 	public String toString() {
-		return new StringBuffer("Flow ").append(name).toString();
+		return new StringBuffer("Execution flow ").append(name).toString();
 	}
 
+	@Override
 	public boolean equals(Object obj) {
 		return ((ExecutionFlow) obj).getName().equals(name);
 	}
 
+	@Override
+	public int hashCode() {
+		return name.hashCode();
+	}
+
 	public String getPath() {
 		return path;
 	}
@@ -169,8 +229,12 @@ public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
 		this.path = path;
 	}
 
-	public void setRegistry(StructureRegistry<TreeSPath> registry) {
-		this.registry = registry;
+	public Boolean getFailOnError() {
+		return failOnError;
+	}
+
+	public void setFailOnError(Boolean failOnError) {
+		this.failOnError = failOnError;
 	}
 
 }