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vqa_workflow_example.bpmn
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vqa_workflow_example.bpmn
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<?xml version="1.0" encoding="UTF-8"?>
<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:quantme="https://github.com/UST-QuAntiL/QuantME-Quantum4BPMN" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="Definitions_1a0cx7a" targetNamespace="http://bpmn.io/schema/bpmn" exporter="QuantME Modeler" exporterVersion="4.5.0-nightly.20220914">
<bpmn:process id="vqa_workflow_example" isExecutable="true">
<bpmn:startEvent id="StartEvent_1">
<bpmn:extensionElements>
<camunda:formData>
<camunda:formField id="adjMatrix" label="Array containing adj_matrix" type="string" defaultValue="[[0,2,1],[3,0,1],[1,2,0]]" />
<camunda:formField id="token" label="IBMQ Token" type="string" />
<camunda:formField id="hub" label="IBMQ Hub" type="string" defaultValue="ibm-q" />
<camunda:formField id="group" label="IBMQ Group" type="string" defaultValue="open" />
<camunda:formField id="project" label="IBMQ Project" type="string" defaultValue="main" />
<camunda:formField id="ibmqUrl" label="IBMQ URL" type="string" defaultValue="https://auth.quantum-computing.ibm.com/api" />
<camunda:formField id="qpu" label="IBMQ Backend name" type="string" defaultValue="simulator" />
<camunda:formField id="noiseModel" label="Noise Model" type="string" />
<camunda:formField id="onlyMeasurementErrors" label="Noise Model contains only measurement errors" type="boolean" />
<camunda:formField id="optimizer" label="optimizer" type="string" defaultValue="cobyla" />
<camunda:formField id="objFun" label="Objective Function for evaluation" type="string" defaultValue="expectation" />
<camunda:formField id="gammas" label="gammas" type="string" defaultValue="[1]" />
<camunda:formField id="betas" label="betas" type="string" defaultValue="[1]" />
<camunda:formField id="p" label="p" type="string" defaultValue="1" />
</camunda:formData>
</bpmn:extensionElements>
<bpmn:outgoing>SequenceFlow_0sr2iwc</bpmn:outgoing>
</bpmn:startEvent>
<bpmn:sequenceFlow id="SequenceFlow_0sr2iwc" sourceRef="StartEvent_1" targetRef="Task_1cl77j3" />
<quantme:quantumCircuitLoadingTask id="Task_0dw496o" name="Circuit Generation" url="quokka/tspqaoa">
<bpmn:incoming>SequenceFlow_1lkp4iq</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_1vbot8e</bpmn:outgoing>
</quantme:quantumCircuitLoadingTask>
<quantme:quantumCircuitExecutionTask id="Task_1qyuei8" name="Circuit Execution" provider="ibm" qpu="aer_qasm_simulator" shots="2000" programmingLanguage="openqasm">
<bpmn:incoming>SequenceFlow_1vbot8e</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_19r6ece</bpmn:outgoing>
</quantme:quantumCircuitExecutionTask>
<bpmn:exclusiveGateway id="ExclusiveGateway_1axmwfm" name="converged?" camunda:asyncBefore="true">
<bpmn:incoming>SequenceFlow_1w0ot2x</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_09rk0yy</bpmn:outgoing>
<bpmn:outgoing>SequenceFlow_134ibyf</bpmn:outgoing>
</bpmn:exclusiveGateway>
<bpmn:sequenceFlow id="SequenceFlow_09rk0yy" name="No" sourceRef="ExclusiveGateway_1axmwfm" targetRef="Task_0iim6gd">
<bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${converged == 'false'}</bpmn:conditionExpression>
</bpmn:sequenceFlow>
<bpmn:sequenceFlow id="SequenceFlow_19r6ece" sourceRef="Task_1qyuei8" targetRef="ExclusiveGateway_0tcozbv" />
<quantme:readoutErrorMitigationTask id="Task_0k5vfu2" name="Readout Error Mitigation" provider="ibm" qpu="aer_qasm_simulator" shots="1000" calibrationMethod="tpnm" mitigationMethod="matrixInversion" maxAge="360">
<bpmn:incoming>SequenceFlow_1fv1q7j</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_1yekqw0</bpmn:outgoing>
</quantme:readoutErrorMitigationTask>
<bpmn:sequenceFlow id="SequenceFlow_1yekqw0" sourceRef="Task_0k5vfu2" targetRef="ExclusiveGateway_0h6empr" />
<bpmn:serviceTask id="Task_0iim6gd" name="Optimize Parameters" camunda:asyncBefore="true" camunda:type="external" camunda:topic="123">
<bpmn:incoming>SequenceFlow_09rk0yy</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_0bkpwmi</bpmn:outgoing>
</bpmn:serviceTask>
<bpmn:sequenceFlow id="SequenceFlow_0bkpwmi" sourceRef="Task_0iim6gd" targetRef="ExclusiveGateway_13c00i2" />
<bpmn:endEvent id="EndEvent_0g8k4yh">
<bpmn:incoming>SequenceFlow_0ja4l3x</bpmn:incoming>
</bpmn:endEvent>
<bpmn:serviceTask id="Task_1cl77j3" name="Initialize Optimizer">
<bpmn:extensionElements>
<camunda:connector>
<camunda:inputOutput>
<camunda:inputParameter name="method">POST</camunda:inputParameter>
<camunda:inputParameter name="headers">
<camunda:map>
<camunda:entry key="Accept">application/json</camunda:entry>
<camunda:entry key="Content-Type">application/json</camunda:entry>
</camunda:map>
</camunda:inputParameter>
<camunda:inputParameter name="url">http://quokka-gateway:6474/quokka/optimization/optimization-service</camunda:inputParameter>
<camunda:inputParameter name="payload">
<camunda:script scriptFormat="JavaScript">var optimizer = execution.getVariable("optimizer");
var gammas = execution.getVariable("gammas");
var betas = execution.getVariable("betas");
gammas = gammas.substring(1, gammas.length-1)
gammas = gammas.split(",")
print(gammas[0]);
array = [];
for each (var el in gammas) array.push(parseFloat(el));
gammas = array
betas = betas.substring(1, betas.length-1)
betas = betas.split(",")
print(betas[0]);
array_b = [];
for each (var el in betas) array.push(parseFloat(el));
betas = array_b
initialParameters = gammas.concat(betas)
var myJson = {"topic": "123",
"optimizer": optimizer,"initialParameters": initialParameters};
myJson = JSON.stringify(myJson);
//execution.setVariable("myJson",myJson);
myJson =myJson;</camunda:script>
</camunda:inputParameter>
<camunda:outputParameter name="optimizerInit">
<camunda:script scriptFormat="JavaScript">var resp = connector.getVariable("response")
print(resp)
resp;</camunda:script>
</camunda:outputParameter>
<camunda:outputParameter name="iterations">
<camunda:script scriptFormat="JavaScript">0</camunda:script>
</camunda:outputParameter>
<camunda:outputParameter name="converged">
<camunda:script scriptFormat="JavaScript">"false"</camunda:script>
</camunda:outputParameter>
</camunda:inputOutput>
<camunda:connectorId>http-connector</camunda:connectorId>
</camunda:connector>
</bpmn:extensionElements>
<bpmn:incoming>SequenceFlow_0sr2iwc</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_06bz4cs</bpmn:outgoing>
</bpmn:serviceTask>
<bpmn:sequenceFlow id="SequenceFlow_06bz4cs" sourceRef="Task_1cl77j3" targetRef="ExclusiveGateway_13c00i2" />
<bpmn:sequenceFlow id="SequenceFlow_1w0ot2x" sourceRef="Task_1442y9q" targetRef="ExclusiveGateway_1axmwfm" />
<bpmn:serviceTask id="Task_1442y9q" name="Evaluate Results">
<bpmn:extensionElements>
<camunda:connector>
<camunda:inputOutput>
<camunda:inputParameter name="method">POST</camunda:inputParameter>
<camunda:inputParameter name="headers">
<camunda:map>
<camunda:entry key="Accept">application/json</camunda:entry>
<camunda:entry key="Content-Type">application/json</camunda:entry>
</camunda:map>
</camunda:inputParameter>
<camunda:inputParameter name="url">http://quokka-gateway:6474/quokka/objective-evaluation/objective/tsp</camunda:inputParameter>
<camunda:inputParameter name="payload">
<camunda:script scriptFormat="JavaScript">print("Start Evaluation");
var matrix = execution.getVariable("adjMatrix");
matrix = matrix.substring(1,matrix.length-1).replaceAll(" ", "");
matrix = matrix.split("],[");
new_matrix = []
for each (var arr in matrix) {
new_arr = []
arr = arr.replace("[","").replace("]","")
numbers = arr.split(",")
for each (var num in numbers){
new_arr.push(parseFloat(num))
}
new_matrix.push(new_arr)
}
var counts = execution.getVariable("mitigatedCounts")
if (!counts){
counts = execution.getVariable("counts").toString();
counts = JSON.parse(counts)
counts = counts["counts"]
} else {
counts= counts.toString();
counts = JSON.parse(counts)
}
var objFun = execution.getVariable("objFun");
execution.setVariable("plotUrl", "http://localhost:8080/engine-rest/process-instance/" + execution.getProcessInstanceId() + "/variables/plot/data");
var myJson = {"adj_matrix": new_matrix,"counts": counts,"objFun": objFun, "visualization": "True"};
myJson = JSON.stringify(myJson);
print(myJson);
myJson =myJson;</camunda:script>
</camunda:inputParameter>
<camunda:outputParameter name="objValue">
<camunda:script scriptFormat="JavaScript">var resp = connector.getVariable("response")
resp = JSON.parse(resp)
var objValue = resp.objective_value;
print(objValue)
objValue;</camunda:script>
</camunda:outputParameter>
<camunda:outputParameter name="evaluatedCosts">
<camunda:script scriptFormat="JavaScript">var resp = connector.getVariable("response")
resp = JSON.parse(resp)
var costs = resp.costs;
print(costs)
costs = S(JSON.stringify({"costs":costs}));
costs;</camunda:script>
</camunda:outputParameter>
<camunda:outputParameter name="plot">
<camunda:script scriptFormat="Groovy">import org.camunda.bpm.engine.variable.value.FileValue
import org.camunda.bpm.engine.variable.Variables
import groovy.json.JsonSlurper
def slurper = new JsonSlurper().parseText(response)
String filename = "plot.png";
FileValue typedFileValue = Variables.fileValue(filename).file(slurper.visualization.decodeBase64()).mimeType("application/png").create()
typedFileValue</camunda:script>
</camunda:outputParameter>
</camunda:inputOutput>
<camunda:connectorId>http-connector</camunda:connectorId>
</camunda:connector>
</bpmn:extensionElements>
<bpmn:incoming>SequenceFlow_0w0u62m</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_1w0ot2x</bpmn:outgoing>
</bpmn:serviceTask>
<bpmn:exclusiveGateway id="ExclusiveGateway_13c00i2">
<bpmn:incoming>SequenceFlow_0bkpwmi</bpmn:incoming>
<bpmn:incoming>SequenceFlow_06bz4cs</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_1lkp4iq</bpmn:outgoing>
</bpmn:exclusiveGateway>
<bpmn:sequenceFlow id="SequenceFlow_1lkp4iq" sourceRef="ExclusiveGateway_13c00i2" targetRef="Task_0dw496o" />
<bpmn:sequenceFlow id="SequenceFlow_1vbot8e" sourceRef="Task_0dw496o" targetRef="Task_1qyuei8" />
<bpmn:exclusiveGateway id="ExclusiveGateway_0tcozbv" name="simulator?" camunda:asyncBefore="true">
<bpmn:incoming>SequenceFlow_19r6ece</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_1fv1q7j</bpmn:outgoing>
<bpmn:outgoing>SequenceFlow_1o0kgho</bpmn:outgoing>
</bpmn:exclusiveGateway>
<bpmn:sequenceFlow id="SequenceFlow_1fv1q7j" name="No" sourceRef="ExclusiveGateway_0tcozbv" targetRef="Task_0k5vfu2">
<bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${qpu!= 'simulator'}</bpmn:conditionExpression>
</bpmn:sequenceFlow>
<bpmn:exclusiveGateway id="ExclusiveGateway_0h6empr">
<bpmn:incoming>SequenceFlow_1yekqw0</bpmn:incoming>
<bpmn:incoming>SequenceFlow_1o0kgho</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_0w0u62m</bpmn:outgoing>
</bpmn:exclusiveGateway>
<bpmn:sequenceFlow id="SequenceFlow_0w0u62m" sourceRef="ExclusiveGateway_0h6empr" targetRef="Task_1442y9q" />
<bpmn:sequenceFlow id="SequenceFlow_1o0kgho" name="Yes" sourceRef="ExclusiveGateway_0tcozbv" targetRef="ExclusiveGateway_0h6empr">
<bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${qpu== 'simulator'}</bpmn:conditionExpression>
</bpmn:sequenceFlow>
<bpmn:sequenceFlow id="SequenceFlow_134ibyf" name="Yes" sourceRef="ExclusiveGateway_1axmwfm" targetRef="Task_0n6qtk0">
<bpmn:conditionExpression xsi:type="bpmn:tFormalExpression">${converged == 'true'}</bpmn:conditionExpression>
</bpmn:sequenceFlow>
<bpmn:sequenceFlow id="SequenceFlow_0ja4l3x" sourceRef="Task_0n6qtk0" targetRef="EndEvent_0g8k4yh" />
<bpmn:userTask id="Task_0n6qtk0" name="Analyze Results">
<bpmn:extensionElements>
<camunda:formData>
<camunda:formField id="plotUrl" label="Result Image URL" type="string">
<camunda:properties>
<camunda:property id="Property_198kcm1" />
</camunda:properties>
<camunda:validation>
<camunda:constraint name="readonly" />
</camunda:validation>
</camunda:formField>
</camunda:formData>
</bpmn:extensionElements>
<bpmn:incoming>SequenceFlow_134ibyf</bpmn:incoming>
<bpmn:outgoing>SequenceFlow_0ja4l3x</bpmn:outgoing>
</bpmn:userTask>
</bpmn:process>
<bpmndi:BPMNDiagram id="BPMNDiagram_1">
<bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="vqa_workflow_example">
<bpmndi:BPMNEdge id="SequenceFlow_0ja4l3x_di" bpmnElement="SequenceFlow_0ja4l3x">
<di:waypoint x="1500" y="250" />
<di:waypoint x="1612" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_134ibyf_di" bpmnElement="SequenceFlow_134ibyf">
<di:waypoint x="1305" y="250" />
<di:waypoint x="1400" y="250" />
<bpmndi:BPMNLabel>
<dc:Bounds x="1321" y="232" width="18" height="14" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1o0kgho_di" bpmnElement="SequenceFlow_1o0kgho">
<di:waypoint x="870" y="250" />
<di:waypoint x="1025" y="250" />
<bpmndi:BPMNLabel>
<dc:Bounds x="939" y="232" width="18" height="14" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_0w0u62m_di" bpmnElement="SequenceFlow_0w0u62m">
<di:waypoint x="1075" y="250" />
<di:waypoint x="1120" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1fv1q7j_di" bpmnElement="SequenceFlow_1fv1q7j">
<di:waypoint x="845" y="225" />
<di:waypoint x="845" y="130" />
<di:waypoint x="900" y="130" />
<bpmndi:BPMNLabel>
<dc:Bounds x="854" y="175" width="15" height="14" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1vbot8e_di" bpmnElement="SequenceFlow_1vbot8e">
<di:waypoint x="640" y="250" />
<di:waypoint x="690" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1lkp4iq_di" bpmnElement="SequenceFlow_1lkp4iq">
<di:waypoint x="505" y="250" />
<di:waypoint x="540" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1w0ot2x_di" bpmnElement="SequenceFlow_1w0ot2x">
<di:waypoint x="1220" y="250" />
<di:waypoint x="1255" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_06bz4cs_di" bpmnElement="SequenceFlow_06bz4cs">
<di:waypoint x="370" y="250" />
<di:waypoint x="455" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_0bkpwmi_di" bpmnElement="SequenceFlow_0bkpwmi">
<di:waypoint x="900" y="390" />
<di:waypoint x="480" y="390" />
<di:waypoint x="480" y="275" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_1yekqw0_di" bpmnElement="SequenceFlow_1yekqw0">
<di:waypoint x="1000" y="130" />
<di:waypoint x="1050" y="130" />
<di:waypoint x="1050" y="225" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_19r6ece_di" bpmnElement="SequenceFlow_19r6ece">
<di:waypoint x="790" y="250" />
<di:waypoint x="820" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_09rk0yy_di" bpmnElement="SequenceFlow_09rk0yy">
<di:waypoint x="1280" y="275" />
<di:waypoint x="1280" y="390" />
<di:waypoint x="1000" y="390" />
<bpmndi:BPMNLabel>
<dc:Bounds x="1288" y="293" width="15" height="14" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="SequenceFlow_0sr2iwc_di" bpmnElement="SequenceFlow_0sr2iwc">
<di:waypoint x="198" y="250" />
<di:waypoint x="270" y="250" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
<dc:Bounds x="162" y="232" width="36" height="36" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="QuantumCircuitLoadingTask_0m4b433_di" bpmnElement="Task_0dw496o">
<dc:Bounds x="540" y="210" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="QuantumCircuitExecutionTask_09u5mfs_di" bpmnElement="Task_1qyuei8">
<dc:Bounds x="690" y="210" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ExclusiveGateway_1axmwfm_di" bpmnElement="ExclusiveGateway_1axmwfm" isMarkerVisible="true">
<dc:Bounds x="1255" y="225" width="50" height="50" />
<bpmndi:BPMNLabel>
<dc:Bounds x="1252" y="195" width="58" height="14" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ReadoutErrorMitigationTask_1rcxeya_di" bpmnElement="Task_0k5vfu2">
<dc:Bounds x="900" y="90" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ServiceTask_14bmf2p_di" bpmnElement="Task_0iim6gd">
<dc:Bounds x="900" y="350" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="EndEvent_0g8k4yh_di" bpmnElement="EndEvent_0g8k4yh">
<dc:Bounds x="1612" y="232" width="36" height="36" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ServiceTask_0jruw2w_di" bpmnElement="Task_1cl77j3">
<dc:Bounds x="270" y="210" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ServiceTask_0d5rjdi_di" bpmnElement="Task_1442y9q">
<dc:Bounds x="1120" y="210" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ExclusiveGateway_13c00i2_di" bpmnElement="ExclusiveGateway_13c00i2" isMarkerVisible="true">
<dc:Bounds x="455" y="225" width="50" height="50" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="ExclusiveGateway_0tcozbv_di" bpmnElement="ExclusiveGateway_0tcozbv" isMarkerVisible="true">
<dc:Bounds x="820" y="225" width="50" height="50" />
<bpmndi:BPMNLabel>
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<bpmndi:BPMNShape id="ExclusiveGateway_0h6empr_di" bpmnElement="ExclusiveGateway_0h6empr" isMarkerVisible="true">
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<bpmndi:BPMNShape id="UserTask_16yecuv_di" bpmnElement="Task_0n6qtk0">
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</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</bpmn:definitions>