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feature: Provides a tool for generating graphics that show the state machine execution path #1997

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merged 2 commits into from
Dec 18, 2019
Merged

feature: Provides a tool for generating graphics that show the state machine execution path #1997

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56e9558
Provides a tool for generating graphics that show the state machine e…
long187 Dec 6, 2019
7f538ba
Merge branch 'develop' into saga_tracing_graph
lovepoem Dec 18, 2019
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86 changes: 86 additions & 0 deletions ...statelang/src/main/java/io/seata/saga/statelang/parser/utils/DesignerJsonTransformer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,19 @@
*/
package io.seata.saga.statelang.parser.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.serializer.SerializerFeature;
import io.seata.common.exception.FrameworkErrorCode;
import io.seata.common.exception.FrameworkException;
import io.seata.saga.statelang.domain.ExecutionStatus;
import io.seata.saga.statelang.domain.StateInstance;
import io.seata.saga.statelang.domain.StateMachineInstance;
import org.springframework.util.StringUtils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
Expand Down Expand Up @@ -211,4 +220,81 @@ private static boolean isBordersCoincided(int xyA, int xyB, int lengthA, int len
int centerPointLength = xyA > xyB ? xyA - xyB : xyB - xyA;
return ((lengthA + lengthB) / 2) > centerPointLength;
}

/**
* Generate tracing graph json
* @param stateMachineInstance
* @return
*/
public static String generateTracingGraphJson(StateMachineInstance stateMachineInstance) {

if (stateMachineInstance == null) {
throw new FrameworkException("StateMachineInstance is not exits",
FrameworkErrorCode.StateMachineInstanceNotExists);
}
String stateMachineJson = stateMachineInstance.getStateMachine().getContent();
if (StringUtils.isEmpty(stateMachineJson)) {
throw new FrameworkException("Cannot get StateMachine Json",
FrameworkErrorCode.ObjectNotExists);
}
JSONObject stateMachineJsonObj = JSON.parseObject(stateMachineJson, Feature.IgnoreAutoType, Feature.OrderedField);
if (!DesignerJsonTransformer.isDesignerJson(stateMachineJsonObj)) {
throw new FrameworkException("StateMachine Json is not generated by Designer",
FrameworkErrorCode.InvalidConfiguration);
}
Map<String, List<StateInstance>> stateInstanceMapGroupByName = new HashMap<>(stateMachineInstance.getStateMap().size());
for (String id : stateMachineInstance.getStateMap().keySet()) {
StateInstance stateInstance = stateMachineInstance.getStateMap().get(id);
List<StateInstance> stateInstanceList = stateInstanceMapGroupByName.get(stateInstance.getName());
if (stateInstanceList == null) {
stateInstanceList = new ArrayList<>();
stateInstanceMapGroupByName.put(stateInstance.getName(), stateInstanceList);
}
stateInstanceList.add(stateInstance);
}
JSONArray nodesArray = stateMachineJsonObj.getJSONArray("nodes");
for (Object nodeObj : nodesArray) {
JSONObject node = (JSONObject) nodeObj;
String stateId = node.getString("stateId");
String stateType = node.getString("stateType");
if ("ServiceTask".equals(stateType)
|| "SubStateMachine".equals(stateType)
|| "Compensation".equals(stateType)) {
node.remove("color");
}
List<StateInstance> stateInstanceList = stateInstanceMapGroupByName.get(stateId);
if (stateInstanceList != null && stateInstanceList.size() > 0) {

StateInstance stateInstance = null;
if (stateInstanceList.size() == 1) {
stateInstance = stateInstanceList.get(0);
} else {
//find out latest stateInstance
for (StateInstance stateInst : stateInstanceList) {

if (stateInstance == null
|| stateInst.getGmtStarted().after(stateInstance.getGmtStarted())) {
stateInstance = stateInst;
}
}
}
node.put("stateInstanceId", stateInstance.getId());
node.put("stateInstanceStatus", stateInstance.getStatus());
if (ExecutionStatus.SU.equals(stateInstance.getStatus())) {
node.put("color", "green");
JSONObject style = new JSONObject();
style.put("fill", "#00D73E");
style.put("lineWidth", 2);
node.put("style", style);
} else {
node.put("color", "red");
JSONObject style = new JSONObject();
style.put("fill", "#FF7777");
style.put("lineWidth", 2);
node.put("style", style);
}
}
}
return stateMachineJsonObj.toString(SerializerFeature.PrettyFormat);
}
}
17 changes: 17 additions & 0 deletions test/src/test/java/io/seata/saga/engine/db/mockserver/StateMachineDBMockServerTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import io.seata.saga.statelang.domain.DomainConstants;
import io.seata.saga.statelang.domain.ExecutionStatus;
import io.seata.saga.statelang.domain.StateMachineInstance;
import io.seata.saga.statelang.parser.utils.DesignerJsonTransformer;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
Expand Down Expand Up @@ -316,6 +317,10 @@ public void testForwardSubStateMachineWithLayout() throws Exception {

Assertions.assertTrue(ExecutionStatus.UN.equals(inst.getStatus()));

String graphJson = DesignerJsonTransformer.generateTracingGraphJson(inst);
Assertions.assertNotNull(graphJson);
System.out.println(graphJson);

start = System.currentTimeMillis();

paramMap.put("fooThrowException", "false");
Expand All @@ -325,6 +330,10 @@ public void testForwardSubStateMachineWithLayout() throws Exception {
System.out.println("====== XID: " + inst.getId() + " cost :" + cost);

Assertions.assertTrue(ExecutionStatus.SU.equals(inst.getStatus()));

String graphJson2 = DesignerJsonTransformer.generateTracingGraphJson(inst);
Assertions.assertNotNull(graphJson2);
System.out.println(graphJson2);
}

@Test
Expand Down Expand Up @@ -375,6 +384,10 @@ public void testCompensateSubStateMachineWithLayout() throws Exception {

Assertions.assertTrue(ExecutionStatus.UN.equals(inst.getStatus()));

String graphJson = DesignerJsonTransformer.generateTracingGraphJson(inst);
Assertions.assertNotNull(graphJson);
System.out.println(graphJson);

start = System.currentTimeMillis();

inst = stateMachineEngine.compensate(inst.getId(), paramMap);
Expand All @@ -383,6 +396,10 @@ public void testCompensateSubStateMachineWithLayout() throws Exception {
System.out.println("====== XID: " + inst.getId() + " cost :" + cost);

Assertions.assertTrue(ExecutionStatus.UN.equals(inst.getCompensationStatus()));

String graphJson2 = DesignerJsonTransformer.generateTracingGraphJson(inst);
Assertions.assertNotNull(graphJson2);
System.out.println(graphJson2);
}

@Test
Expand Down