jbpm/jbpm-flow/src/main/java/org/jbpm/workflow/instance/node/LambdaSubProcessNodeInstance.java [141:176]:
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    public void internalSetProcessInstanceId(String processInstanceId) {
        this.processInstanceId = processInstanceId;
    }

    @Override
    public void addEventListeners() {
        super.addEventListeners();
        addProcessListener();
    }

    private void addProcessListener() {
        getProcessInstance().addEventListener("processInstanceCompleted:" + processInstanceId, this, true);
    }

    @Override
    public void removeEventListeners() {
        super.removeEventListeners();
        getProcessInstance().removeEventListener("processInstanceCompleted:" + processInstanceId, this, true);
    }

    @Override
    public void signalEvent(String type, Object event) {
        if (("processInstanceCompleted:" + processInstanceId).equals(type)) {
            processInstanceCompleted((ProcessInstance) event);
        } else {
            super.signalEvent(type, event);
        }
    }

    @Override
    public String[] getEventTypes() {
        return new String[] { "processInstanceCompleted:" + processInstanceId };
    }

    public void processInstanceCompleted(ProcessInstance processInstance) {
        removeEventListeners();
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jbpm/jbpm-flow/src/main/java/org/jbpm/workflow/instance/node/SubProcessNodeInstance.java [174:209]:
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    public void internalSetProcessInstanceId(String processInstanceId) {
        this.processInstanceId = processInstanceId;
    }

    @Override
    public void addEventListeners() {
        super.addEventListeners();
        addProcessListener();
    }

    private void addProcessListener() {
        getProcessInstance().addEventListener("processInstanceCompleted:" + processInstanceId, this, true);
    }

    @Override
    public void removeEventListeners() {
        super.removeEventListeners();
        getProcessInstance().removeEventListener("processInstanceCompleted:" + processInstanceId, this, true);
    }

    @Override
    public void signalEvent(String type, Object event) {
        if (("processInstanceCompleted:" + processInstanceId).equals(type)) {
            processInstanceCompleted((ProcessInstance) event);
        } else {
            super.signalEvent(type, event);
        }
    }

    @Override
    public String[] getEventTypes() {
        return new String[] { "processInstanceCompleted:" + processInstanceId };
    }

    public void processInstanceCompleted(ProcessInstance processInstance) {
        removeEventListeners();
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