1 files changed, 116 insertions, 0 deletions
diff --git a/src/core/expression/RBAContentValue.cpp b/src/core/expression/RBAContentValue.cpp
new file mode 100644
index 0000000..23b1b20
--- /dev/null
+++ b/src/core/expression/RBAContentValue.cpp
@@ -0,0 +1,116 @@
+/**
+ * Copyright (c) 2019 DENSO CORPORATION.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* 
+ * ContentValue class definition 
+ */
+
+#include <string>
+#include "RBAContentValue.hpp"
+#include "RBAAllocatable.hpp"
+#include "RBAContentState.hpp"
+#include "RBAArbitrator.hpp"
+#include "RBAExpressionVisitor.hpp"
+#include "RBALogManager.hpp"
+#include "RBAModelElementType.hpp"
+#include "RBAConstraintInfo.hpp"
+
+namespace rba
+{
+
+void RBAContentValue::accept(RBAExpressionVisitor& visitor)
+{
+  // RBA SceneAllocatableCollector which is only existing vistor at this time 
+  // does not accept the value of the content state.
+  // So this code doesn't work. 
+  //
+  // But, leave this because another visitor may accept it in the future.
+  visitor.visit(*this);
+}
+
+RBAModelElementType
+RBAContentValue::getModelElementType() const
+{
+  return RBAModelElementType::ContentValue;
+}
+
+std::int32_t
+RBAContentValue::getValueCore(RBAConstraintInfo* info, RBAArbitrator* arb) const
+{
+  std::int32_t result { -99 };
+  const auto leftInfo = info->getChild(0U);
+  const auto r = getLhsOperand()->getReferenceObject(leftInfo, arb);
+  const RBAContentState* cs { nullptr };
+  if (leftInfo->isExceptionBeforeArbitrate()) {
+    info->setExceptionBeforeArbitrate(true);
+  } else {
+    if (r != nullptr) {
+      const auto a = dynamic_cast<const RBAAllocatable*>(r->getRawObject());
+      if (a != nullptr) {
+        if (r->isPrevious()) {
+          cs = arb->getResult()->getDirectPreContentState(a);
+          if (cs != nullptr) {
+            result = cs->getContentStatePriority();
+          }
+        } else {
+          info->addOperandAllocatable(a);
+          if (a->isChecked()) {
+            cs = a->getState();
+            if (cs != nullptr) {
+              result = cs->getContentStatePriority();
+            }
+          } else {
+            // Throw an Exception if arbitration is not over
+            info->setExceptionBeforeArbitrate(true);
+          }
+        }
+      }
+    }
+  }
+#ifdef RBA_USE_LOG
+  std::string pre;
+  std::string aName = "NULL";
+  std::string resultText = "no Content skip";
+  if (r != nullptr) {
+    aName = r->getElementName();
+    pre = getPreMsg(r->isPrevious());
+  }
+  if (info->isExceptionBeforeArbitrate()) {
+    resultText = "before arbitrate skip";
+  } else {
+    if (cs != nullptr) {
+      resultText = cs->getOwner()->getElementName() + "::" + cs->getElementName() + " : " + cs->getPriorityString();
+    }
+  }
+  LOG_arbitrateConstraintLogicLogLine(
+      "      "
+      + pre
+      + "Allocatable["
+      + aName
+      + "] has Content Priority ["
+      + resultText
+      + "]");
+  #endif
+  return result;
+}
+#ifdef RBA_USE_LOG
+const std::string
+RBAContentValue::getSymbol() const
+{
+  return ".contentValue()";
+}
+#endif
+}