package kg.apc.jmeter.functions;

 import kg.apc.jmeter.modifiers.FifoMap;

 import org.apache.jmeter.engine.util.CompoundVariable;

 import org.apache.jmeter.functions.AbstractFunction;

 import org.apache.jmeter.functions.InvalidVariableException;

 import org.apache.jmeter.samplers.SampleResult;

 import org.apache.jmeter.samplers.Sampler;

 import org.apache.jorphan.logging.LoggingManager;

 import org.apache.log.Logger;

 import java.util.Collection;

 import java.util.LinkedList;

 import java.util.List;

 public class FifoPut extends AbstractFunction {

     private static final Logger log = LoggingManager.getLoggerForClass();

     private static final List<String> desc = new LinkedList<String>();

     private static final String KEY = "__fifoPut";

     static {

         desc.add("Queue name to put value");

         desc.add("String value to put into FIFO queue");

     }

     private Object[] values;

     public FifoPut() {

         FifoMap.getInstance().clear();

     }

     @Override

     public synchronized String execute(SampleResult previousResult, Sampler currentSampler)

             throws InvalidVariableException {

         String fifoName = ((CompoundVariable) values[0]).execute();

         String value = ((CompoundVariable) values[1]).execute();

         try {

             FifoMap.getInstance().put(fifoName, value);

         } catch (InterruptedException ex) {

             log.warn("Interrupted put into queue " + fifoName);

             value = "INTERRUPTED";

         }

         return value;

     }

     @Override

     public synchronized void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException {

         checkMinParameterCount(parameters, 2);

         values = parameters.toArray();

     }

     @Override

     public String getReferenceKey() {

         return KEY;

     }

     @Override

     public List<String> getArgumentDesc() {

         return desc;

     }

 }