+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * 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;
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.ExecutionSpecAttribute;
import org.argeo.slc.structure.StructureAware;
import org.argeo.slc.structure.StructureRegistry;
+import org.springframework.aop.scope.ScopedObject;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.InitializingBean;
-import org.springframework.context.ResourceLoaderAware;
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.ResourceLoader;
import org.springframework.validation.MapBindingResult;
+/** Default implementation of an execution flow. */
public class DefaultExecutionFlow implements ExecutionFlow, InitializingBean,
- BeanNameAware, StructureAware<TreeSPath>, ResourceLoaderAware {
+ BeanNameAware {
+ private final static Log log = LogFactory
+ .getLog(DefaultExecutionFlow.class);
private final ExecutionSpec executionSpec;
private String name = null;
private String path;
private StructureRegistry<TreeSPath> registry = new TreeSRegistry();
- private ResourceLoader resourceLoader = null;
+ private Boolean failOnError = true;
public DefaultExecutionFlow() {
this.executionSpec = new DefaultExecutionSpec();
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;
}
}
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();
+ }
}
}
+ public void doExecuteRunnable(Runnable runnable) {
+ runnable.run();
+ }
+
+ @SuppressWarnings(value = { "unchecked" })
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) {
+ if (executable instanceof StructureAware
+ && !(executable instanceof ScopedObject)) {
((StructureAware<TreeSPath>) executable).notifyCurrentPath(
registry, new TreeSPath(path));
+ } else if (executable instanceof DefaultExecutionFlow) {
+ // so we don't need to have DefaultExecutionFlow
+ // implementing StructureAware
+ // FIXME: probably has side effects
+ DefaultExecutionFlow flow = (DefaultExecutionFlow) executable;
+ String newPath = path + '/' + flow.getName();
+ flow.setPath(newPath);
+ log.warn(newPath + " was forcibly set on " + flow);
}
}
}
.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;
}
this.registry = registry;
}
- public void notifyCurrentPath(StructureRegistry<TreeSPath> registry,
- TreeSPath path) {
- if (this.path == null) {
- this.path = path.toString();
- }
+ public Boolean getFailOnError() {
+ return failOnError;
}
- public void setResourceLoader(ResourceLoader resourceLoader) {
- this.resourceLoader = resourceLoader;
+ public void setFailOnError(Boolean failOnError) {
+ this.failOnError = failOnError;
}
}
projects / gpl / argeo-slc.git / blobdiff