Examples with WorkflowProcessInstanceImpl io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl used on opensource projects

Example 36 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl in project automatiko-engine by automatiko-io.

the class LightProcessRuntime method createProcessInstance.

private io.automatiko.engine.workflow.base.instance.ProcessInstance createProcessInstance(Process process, CorrelationKey correlationKey, Map<String, Object> parameters) {
    io.automatiko.engine.workflow.base.instance.ProcessInstance pi = runtimeContext.createProcessInstance(process, correlationKey);
    pi.setProcessRuntime(this);
    runtimeContext.setupParameters(pi, parameters, variableInitializer);
    Map<String, Object> temp = new HashMap<>();
    if (parameters != null) {
        temp.putAll(parameters);
    }
    temp.putAll(pi.getVariables());
    String uuid;
    if (correlationKey != null) {
        uuid = UUID.nameUUIDFromBytes(correlationKey.toExternalForm().getBytes(StandardCharsets.UTF_8)).toString();
        ((WorkflowProcessInstanceImpl) pi).setCorrelationKey(correlationKey.toExternalForm());
    } else {
        VariableScope variableScope = (VariableScope) ((ContextContainer) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
        Optional<Object> businessKeyVar = variableScope.getVariables().stream().filter(var -> var.hasTag(Variable.BUSINESS_KEY_TAG)).map(v -> temp.get(v.getName())).filter(var -> var != null).findAny();
        if (businessKeyVar.isPresent()) {
            Object businessKey = businessKeyVar.get();
            uuid = UUID.nameUUIDFromBytes(businessKey.toString().getBytes(StandardCharsets.UTF_8)).toString();
            ((WorkflowProcessInstanceImpl) pi).setCorrelationKey(businessKey.toString());
        } else {
            uuid = UUID.randomUUID().toString();
        }
    }
    pi.setId(uuid);
    VariableScope variableScope = (VariableScope) ((ContextContainer) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) pi.getContextInstance(VariableScope.VARIABLE_SCOPE);
    // set input parameters
    if (parameters != null) {
        if (variableScope != null) {
            for (Map.Entry<String, Object> entry : parameters.entrySet()) {
                variableScope.validateVariable(process.getName(), entry.getKey(), entry.getValue());
                variableScopeInstance.setVariable(entry.getKey(), entry.getValue());
            }
        } else {
            throw new IllegalArgumentException("This process does not support parameters!");
        }
    }
    variableScopeInstance.enforceRequiredVariables();
    return pi;
}