/// <summary>
/// Search program operations implementing the
/// Condition search plan operation
/// are created and inserted into search program
/// </summary>
private SearchProgramOperation buildCondition(
SearchProgramOperation insertionPoint,
int currentOperationIndex,
PatternCondition condition)
{
// generate c#-code-string out of condition expression ast
SourceBuilder conditionExpression = new SourceBuilder();
condition.ConditionExpression.Emit(conditionExpression);
// check condition with current partial match
CheckPartialMatchByCondition checkCondition =
new CheckPartialMatchByCondition(conditionExpression.ToString(),
condition.NeededNodes,
condition.NeededEdges,
condition.NeededVariables);
insertionPoint = insertionPoint.Append(checkCondition);
//---------------------------------------------------------------------------
// build next operation
insertionPoint = BuildScheduledSearchPlanOperationIntoSearchProgram(
currentOperationIndex + 1,
insertionPoint);
//---------------------------------------------------------------------------
return insertionPoint;
}
