Examples with SwitchStep com.walmartlabs.concord.runtime.v2.model.SwitchStep used on opensource projects

Example 1 with SwitchStep

use of com.walmartlabs.concord.runtime.v2.model.SwitchStep in project concord by walmartlabs.

the class SwitchCompiler method compile.

@Override
public Command compile(CompilerContext context, SwitchStep step) {
    List<Map.Entry<String, Command>> caseCommands = new ArrayList<>();
    for (Map.Entry<String, List<Step>> kv : step.getCaseSteps()) {
        caseCommands.add(new AbstractMap.SimpleEntry<>(kv.getKey(), compile(context, kv.getValue())));
    }
    Command defaultCommand = compile(context, step.getDefaultSteps());
    return new SwitchCommand(step, caseCommands, defaultCommand);
}

Example 2 with SwitchStep

use of com.walmartlabs.concord.runtime.v2.model.SwitchStep in project concord by walmartlabs.

the class SwitchCommand method execute.

@Override
protected void execute(Runtime runtime, State state, ThreadId threadId) {
    Frame frame = state.peekFrame(threadId);
    frame.pop();
    SwitchStep step = getStep();
    String expr = step.getExpression();
    Context ctx = runtime.getService(Context.class);
    EvalContext evalContext = EvalContextFactory.global(ctx);
    ExpressionEvaluator ee = runtime.getService(ExpressionEvaluator.class);
    String switchResult = ee.eval(evalContext, expr, String.class);
    boolean caseFound = false;
    for (Map.Entry<String, Command> kv : caseCommands) {
        String caseLabel = ee.eval(evalContext, kv.getKey(), String.class);
        if (Objects.equals(switchResult, caseLabel)) {
            frame.push(kv.getValue());
            caseFound = true;
            break;
        }
    }
    if (!caseFound && defaultCommand != null) {
        frame.push(defaultCommand);
    }
// TODO: log case not found?
}