Merge a send-data query function for mesh and global data.

Following precice#1549 (comment)

Author: kanishkbh

src/cplscheme/BaseCouplingScheme.hpp

@@ -215,11 +215,6 @@ class BaseCouplingScheme : public CouplingScheme {
    */
   virtual bool hasAnySendData() = 0;
 
-  /**
-   * @returns true, if coupling scheme has any sendGlobalData
-   */
-  virtual bool hasAnySendGlobalData() = 0;
-
   /**
    * @brief Determines which data is initialized and therefore has to be exchanged during initialize.
    *

src/cplscheme/BiCouplingScheme.cpp

@@ -214,12 +214,7 @@ void BiCouplingScheme::initializeReceiveDataStorage()
 
 bool BiCouplingScheme::hasAnySendData()
 {
-  return not getSendData().empty();
-}
-
-bool BiCouplingScheme::hasAnySendGlobalData()
-{
-  return not getSendGlobalData().empty();
+  return not(getSendData().empty() and getSendGlobalData().empty());
 }
 
 bool BiCouplingScheme::hasSendData(DataID dataID)

src/cplscheme/BiCouplingScheme.hpp

@@ -75,11 +75,6 @@ class BiCouplingScheme : public BaseCouplingScheme {
    */
   bool hasAnySendData() override final;
 
-  /**
-   * @returns true, if coupling scheme has any sendGlobalData
-   */
-  bool hasAnySendGlobalData() override final;
-
   /**
    * @returns true, if coupling scheme has sendData with given DataID
    */

src/cplscheme/MultiCouplingScheme.cpp

@@ -67,12 +67,6 @@ bool MultiCouplingScheme::hasAnySendData()
   return std::any_of(_sendDataVector.cbegin(), _sendDataVector.cend(), [](const auto &sendExchange) { return not sendExchange.second.empty(); });
 }
 
-bool MultiCouplingScheme::hasAnySendGlobalData()
-{
-  // return std::any_of(_sendDataVector.cbegin(), _sendDataVector.cend(), [](const auto &sendExchange) { return not sendExchange.second.empty(); });
-  PRECICE_ERROR("TODO");
-}
-
 const DataMap &MultiCouplingScheme::getAccelerationData()
 {
   // MultiCouplingScheme applies acceleration to all CouplingData

src/cplscheme/MultiCouplingScheme.hpp

@@ -71,7 +71,6 @@ class MultiCouplingScheme : public BaseCouplingScheme {
   std::vector<std::string> getCouplingPartners() const override final;
 
   bool hasAnySendData() override final;
-  bool hasAnySendGlobalData() override final;
 
 private:
   /**

src/cplscheme/config/CouplingSchemeConfiguration.cpp

@@ -847,7 +847,7 @@ PtrCouplingScheme CouplingSchemeConfiguration::createSerialImplicitCouplingSchem
       accessor, m2n, _config.dtMethod, BaseCouplingScheme::Implicit, _config.maxIterations, _config.extrapolationOrder);
 
   addDataToBeExchanged(*scheme, accessor);
-  PRECICE_CHECK(scheme->hasAnySendData() || scheme->hasAnySendGlobalData(),
+  PRECICE_CHECK(scheme->hasAnySendData(),
                 "No send data configured. "
                 "Use explicit scheme for one-way coupling. "
                 "Please check your <coupling-scheme ... /> and make sure that you provide at least one <exchange .../> subtag, "