Examples with BArrayType org.ballerinalang.model.types.BArrayType used on opensource projects

Example 11 with BArrayType

use of org.ballerinalang.model.types.BArrayType in project ballerina by ballerina-lang.

the class StreamingRuntimeManager method addCallback.

public void addCallback(String streamId, BFunctionPointer functionPointer, SiddhiAppRuntime siddhiAppRuntime) {
    BType[] parameters = functionPointer.value().getFunctionInfo().getParamTypes();
    BStructType structType = (BStructType) ((BArrayType) parameters[0]).getElementType();
    if (!(parameters[0] instanceof BArrayType)) {
        throw new BallerinaException("incompatible function: inline function needs to be a function accepting" + " a struct array");
    }
    siddhiAppRuntime.addCallback(streamId, new StreamCallback() {

        @Override
        public void receive(Event[] events) {
            for (Event event : events) {
                AtomicInteger intVarIndex = new AtomicInteger(-1);
                AtomicInteger floatVarIndex = new AtomicInteger(-1);
                AtomicInteger boolVarIndex = new AtomicInteger(-1);
                AtomicInteger stringVarIndex = new AtomicInteger(-1);
                BStruct output = new BStruct(structType);
                for (Object field : event.getData()) {
                    if (field instanceof Long) {
                        output.setIntField(intVarIndex.incrementAndGet(), (Long) field);
                    } else if (field instanceof Double) {
                        output.setFloatField(floatVarIndex.incrementAndGet(), (Double) field);
                    } else if (field instanceof Boolean) {
                        output.setBooleanField(boolVarIndex.incrementAndGet(), (Integer) field);
                    } else if (field instanceof String) {
                        output.setStringField(stringVarIndex.incrementAndGet(), (String) field);
                    }
                }
                BValue[] args = { output };
                BLangFunctions.invokeCallable(functionPointer.value().getFunctionInfo(), args);
            }
        }
    });
}