67 lines
2.6 KiB
Java
67 lines
2.6 KiB
Java
package eu.dnetlib.manager.wf.workflows.util;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.PropertyAccessorFactory;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import eu.dnetlib.errors.WorkflowManagerException;
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import eu.dnetlib.manager.wf.nodes.DefaultJobNode;
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import eu.dnetlib.manager.wf.nodes.ProcessNode;
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import eu.dnetlib.manager.wf.nodes.SuccessNode;
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import eu.dnetlib.manager.wf.workflows.graph.GraphNode;
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import eu.dnetlib.manager.wf.workflows.procs.Env;
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import eu.dnetlib.manager.wf.workflows.procs.ProcessAware;
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import eu.dnetlib.manager.wf.workflows.procs.WorkflowProcess;
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/**
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* Created by michele on 19/11/15.
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*/
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public class NodeHelper implements ApplicationContextAware {
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public static final String beanNamePrefix = "wfNode";
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private static final Log log = LogFactory.getLog(NodeHelper.class);
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private ApplicationContext applicationContext;
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public ProcessNode newProcessNode(final GraphNode node, final WorkflowProcess process, final Env env) throws WorkflowManagerException {
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if (node.isSucessNode()) {
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return new SuccessNode();
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} else if (StringUtils.isBlank(node.getType())) {
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return new DefaultJobNode(node.getName());
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} else {
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final ProcessNode pnode = this.applicationContext.getBean(beanNamePrefix + node.getType(), ProcessNode.class);
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if (pnode != null) {
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pnode.setNodeName(node.getName());
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// I invoke the setter methods using the static params of the graph node
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try {
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PropertyAccessorFactory.forBeanPropertyAccess(pnode).setPropertyValues(node.resolveParams(env));
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} catch (final Throwable e) {
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throw new WorkflowManagerException(String.format("error setting parameters in wfNode %s", node.getName()), e);
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}
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if (pnode instanceof ProcessAware) {
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((ProcessAware) pnode).setProcess(process);
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}
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return pnode;
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} else {
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log.error("cannot find bean " + beanNamePrefix + node.getType());
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throw new WorkflowManagerException("cannot find bean " + beanNamePrefix + node.getType());
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}
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}
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}
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public boolean isValidType(final String type) {
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return StringUtils.isBlank(type) || this.applicationContext.isPrototype(beanNamePrefix + type) && this.applicationContext
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.isTypeMatch(beanNamePrefix + type, ProcessNode.class);
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}
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@Override
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public void setApplicationContext(final ApplicationContext applicationContext) throws BeansException {
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this.applicationContext = applicationContext;
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}
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}
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