组件支持spring的自动扫描

增加基于spring的测试用例

src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java

@@ -65,7 +65,7 @@ public class FlowExecutor {
 			List<Condition> conditionList = chain.getConditionList();
 			
 			List<Node> nodeList = null;
-			Component component = null;
+			NodeComponent component = null;
 			for(Condition condition : conditionList){
 				nodeList = condition.getNodeList();
 				
@@ -76,6 +76,8 @@ public class FlowExecutor {
 							component.setSlotIndex(slotIndex);
 							if(component.isAccess()){
 								component.execute();
+							}else{
+								LOG.info("component[{}] do not gain access",component.getClass().getSimpleName());
 							}
 						}catch(Throwable t){
 							if(component.isContinueOnError()){

src/main/java/com/thebeastshop/liteflow/core/NodeComponent.java

@@ -17,9 +17,9 @@ import com.thebeastshop.liteflow.entity.data.Slot;
 import com.thebeastshop.liteflow.entity.monitor.CompStatistics;
 import com.thebeastshop.liteflow.monitor.MonitorBus;
 
-public abstract class Component {
+public abstract class NodeComponent {
 	
-	private static final Logger LOG = LoggerFactory.getLogger(Component.class);
+	private static final Logger LOG = LoggerFactory.getLogger(NodeComponent.class);
 	
 	private InheritableThreadLocal<Integer> slotIndexTL = new InheritableThreadLocal<Integer>();
 	
@@ -63,7 +63,7 @@ public abstract class Component {
 		this.continueOnError = continueOnError;
 	}
 
-	public Component setSlotIndex(Integer slotIndex) {
+	public NodeComponent setSlotIndex(Integer slotIndex) {
 		this.slotIndexTL.set(slotIndex);
 		return this;
 	}

src/main/java/com/thebeastshop/liteflow/entity/config/Node.java

@@ -9,7 +9,7 @@
  */
 package com.thebeastshop.liteflow.entity.config;
 
-import com.thebeastshop.liteflow.core.Component;
+import com.thebeastshop.liteflow.core.NodeComponent;
 
 public class Node {
 	
@@ -17,7 +17,17 @@ public class Node {
 	
 	private String clazz;
 	
-	private Component instance;
+	private NodeComponent instance;
+	
+	public Node(){
+		
+	}
+	
+	public Node(String id, String clazz, NodeComponent instance) {
+		this.id = id;
+		this.clazz = clazz;
+		this.instance = instance;
+	}
 
 	public String getId() {
 		return id;
@@ -35,11 +45,11 @@ public class Node {
 		this.clazz = clazz;
 	}
 
-	public Component getInstance() {
+	public NodeComponent getInstance() {
 		return instance;
 	}
 
-	public void setInstance(Component instance) {
+	public void setInstance(NodeComponent instance) {
 		this.instance = instance;
 	}
 }

src/main/java/com/thebeastshop/liteflow/parser/FlowParser.java

@@ -14,6 +14,7 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 
 import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Document;
@@ -21,13 +22,14 @@ import org.dom4j.Element;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.thebeastshop.liteflow.core.Component;
+import com.thebeastshop.liteflow.core.NodeComponent;
 import com.thebeastshop.liteflow.entity.config.Chain;
 import com.thebeastshop.liteflow.entity.config.Condition;
 import com.thebeastshop.liteflow.entity.config.Node;
 import com.thebeastshop.liteflow.entity.config.ThenCondition;
 import com.thebeastshop.liteflow.entity.config.WhenCondition;
 import com.thebeastshop.liteflow.flow.FlowBus;
+import com.thebeastshop.liteflow.spring.ComponentScaner;
 import com.thebeastshop.liteflow.util.Dom4JReader;
 import com.thebeastshop.liteflow.util.IOUtil;
 
@@ -52,26 +54,33 @@ public class FlowParser {
 		try {
 			Element rootElement = document.getRootElement();
 
-			// 解析node节点
-			List<Element> nodeList = rootElement.element("nodes").elements("node");
-			String id = null;
-			String clazz = null;
-			Node node = null;
-			Component component = null;
+			//判断是以spring方式注册节点，还是以xml方式注册
 			Map<String, Node> nodeMap = new HashMap<String, Node>();
-			for (Element e : nodeList) {
-				node = new Node();
-				id = e.attributeValue("id");
-				clazz = e.attributeValue("class");
-				node.setId(id);
-				node.setClazz(clazz);
-				component = (Component) Class.forName(clazz).newInstance();
-				if (component == null) {
-					LOG.error("couldn't find component class [{}] ", clazz);
+			if(ComponentScaner.nodeComponentMap.isEmpty()){
+				// 解析node节点
+				List<Element> nodeList = rootElement.element("nodes").elements("node");
+				String id = null;
+				String clazz = null;
+				Node node = null;
+				NodeComponent component = null;
+				for (Element e : nodeList) {
+					node = new Node();
+					id = e.attributeValue("id");
+					clazz = e.attributeValue("class");
+					node.setId(id);
+					node.setClazz(clazz);
+					component = (NodeComponent) Class.forName(clazz).newInstance();
+					if (component == null) {
+						LOG.error("couldn't find component class [{}] ", clazz);
+					}
+					component.setNodeId(id);
+					node.setInstance(component);
+					nodeMap.put(id, node);
+				}
+			}else{
+				for(Entry<String, NodeComponent> componentEntry : ComponentScaner.nodeComponentMap.entrySet()){
+					nodeMap.put(componentEntry.getKey(), new Node(componentEntry.getKey(), componentEntry.getValue().getClass().getName(), componentEntry.getValue()));
 				}
-				component.setNodeId(id);
-				node.setInstance(component);
-				nodeMap.put(id, node);
 			}
 
 			// 解析chain节点

src/main/java/com/thebeastshop/liteflow/spring/ComponentScaner.java

@@ -0,0 +1,50 @@
+/**
+ * <p>Title: liteFlow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * <p>Copyright: Copyright (c) 2017</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2017-11-23
+ * @version 1.0
+ */
+package com.thebeastshop.liteflow.spring;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.core.Ordered;
+import org.springframework.core.PriorityOrdered;
+import com.thebeastshop.liteflow.core.NodeComponent;
+import com.thebeastshop.liteflow.entity.config.Node;
+
+public class ComponentScaner implements BeanPostProcessor, PriorityOrdered {
+	
+	private static final Logger LOG = LoggerFactory.getLogger(ComponentScaner.class);
+	
+	public static Map<String, NodeComponent> nodeComponentMap = new HashMap<String, NodeComponent>();
+
+	@Override
+	public int getOrder() {
+		return Ordered.LOWEST_PRECEDENCE;
+	}
+
+	@Override
+	public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+		Class clazz = bean.getClass();
+		if(NodeComponent.class.isAssignableFrom(clazz)){
+			LOG.info("component[{}] has been found",beanName);
+			NodeComponent nodeComponent = (NodeComponent)bean;
+			nodeComponent.setNodeId(beanName);
+			nodeComponentMap.put(beanName, nodeComponent);
+		}
+		return bean;
+	}
+	
+	@Override
+	public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
+		return bean;
+	}
+}

src/test/java/com/thebeastshop/liteflow/test/TestWithSpringMain.java

@@ -0,0 +1,26 @@
+package com.thebeastshop.liteflow.test;
+
+import javax.annotation.Resource;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.thebeastshop.liteflow.core.FlowExecutor;
+
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = { "classpath:spring-test.xml" })
+public class TestWithSpringMain {
+	
+	@Resource
+	private FlowExecutor flowExecutor;
+	
+	@Test
+	public void test1() throws Exception {
+		String response = flowExecutor.execute("chain2", "it's a request");
+		System.out.println(response);
+	}
+}

src/test/java/com/thebeastshop/liteflow/test/component/AComponent.java

@@ -9,9 +9,12 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class AComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("a")
+public class AComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/BComponent.java

@@ -12,9 +12,12 @@ package com.thebeastshop.liteflow.test.component;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class BComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("b")
+public class BComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/CComponent.java

@@ -9,9 +9,12 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class CComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("c")
+public class CComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/DComponent.java

@@ -9,10 +9,13 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
+
+import com.thebeastshop.liteflow.core.NodeComponent;
 import com.thebeastshop.liteflow.entity.data.Slot;
 
-public class DComponent extends Component {
+@Component("d")
+public class DComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/EComponent.java

@@ -9,9 +9,12 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class EComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("e")
+public class EComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/FComponent.java

@@ -9,9 +9,12 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class FComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("f")
+public class FComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/java/com/thebeastshop/liteflow/test/component/GComponent.java

@@ -9,9 +9,12 @@
  */
 package com.thebeastshop.liteflow.test.component;
 
-import com.thebeastshop.liteflow.core.Component;
+import org.springframework.stereotype.Component;
 
-public class GComponent extends Component {
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("g")
+public class GComponent extends NodeComponent {
 
 	@Override
 	public void process() {

src/test/resources/spring-test.xml

@@ -0,0 +1,20 @@
+<?xml  version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans   
+        http://www.springframework.org/schema/beans/spring-beans.xsd  
+        http://www.springframework.org/schema/context   
+        http://www.springframework.org/schema/context/spring-context.xsd"
+	default-autowire="byName">
+ 
+ 	<context:component-scan base-package="com.thebeastshop.liteflow.test.component" />
+ 	<bean class="com.thebeastshop.liteflow.spring.ComponentScaner"/>
+ 	
+ 	<bean id="flowExecutor" class="com.thebeastshop.liteflow.core.FlowExecutor" init-method="init">
+		<property name="rulePath">
+			<list>
+				<value>flow.xml</value>
+			</list>
+		</property>
+	</bean>
+</beans>