/// <summary>Renders the clause in textual representation. </summary>
/// <param name="writer">to output to</param>
/// <param name="formatter">for NewLine-whitespace formatting</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
foreach (OnInsertSplitStreamItem item in Items)
{
item.InsertInto.ToEPL(writer, formatter, true);
item.SelectClause.ToEPL(writer, formatter, true, false);
if (item.PropertySelects != null)
{
writer.Write(" from ");
ContainedEventSelect.ToEPL(writer, formatter, item.PropertySelects);
if (item.PropertySelectsStreamName != null)
{
writer.Write(" as ");
writer.Write(item.PropertySelectsStreamName);
}
}
if (item.WhereClause != null)
{
writer.Write(" where ");
item.WhereClause.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
}
if (!IsFirst)
{
writer.Write(" output all");
}
}
public override void ToEPLStream(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("method:");
writer.Write(ClassName);
writer.Write(".");
writer.Write(MethodName);
writer.Write("(");
string delimiter = "";
foreach (Expression expr in ParameterExpressions)
{
writer.Write(delimiter);
expr.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
delimiter = ",";
}
writer.Write(")");
if (OptionalEventTypeName != null)
{
writer.Write(" @Type(");
writer.Write(OptionalEventTypeName);
writer.Write(")");
}
}
/// <summary>Renders the clause in textual representation. </summary>
/// <param name="writer">to output to</param>
/// <param name="formatter">for NewLine-whitespace formatting</param>
/// <param name="isTopLevel">to indicate if this insert-into-clause is inside other clauses.</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter, bool isTopLevel)
{
formatter.BeginInsertInto(writer, isTopLevel);
writer.Write("insert ");
if (StreamSelector != StreamSelector.ISTREAM_ONLY)
{
writer.Write(StreamSelector.GetEPL());
writer.Write(" ");
}
writer.Write("into ");
writer.Write(StreamName);
if (ColumnNames.Count > 0)
{
writer.Write("(");
String delimiter = "";
foreach (var name in ColumnNames)
{
writer.Write(delimiter);
writer.Write(name);
delimiter = ", ";
}
writer.Write(")");
}
}
/// <summary>Render as EPL. </summary>
/// <param name="writer">to output to</param>
/// <param name="formatter">formatter</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("create context ");
writer.Write(ContextName);
writer.Write(" as ");
Descriptor.ToEPL(writer, formatter);
}
/// <summary>Renders the clause in textual representation. </summary>
/// <param name="writer">to output to</param>
/// <param name="optionalWhereClause">where clause if present, or null</param>
/// <param name="formatter">for NewLine-whitespace formatting</param>
public void ToEPL(TextWriter writer,
Expression optionalWhereClause,
EPStatementFormatter formatter)
{
formatter.BeginMerge(writer);
writer.Write("merge ");
writer.Write(WindowName);
if (OptionalAsName != null)
{
writer.Write(" as ");
writer.Write(OptionalAsName);
}
if (optionalWhereClause != null)
{
formatter.BeginMergeWhere(writer);
writer.Write("where ");
optionalWhereClause.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
foreach (OnMergeMatchItem item in MatchItems)
{
item.ToEPL(writer, formatter);
}
}
/// <summary>
/// Rendering using the provided formatter.
/// </summary>
/// <param name="formatter">to use</param>
/// <returns>rendered string</returns>
public string ToEPL(EPStatementFormatter formatter)
{
var writer = new StringWriter();
ToEPL(formatter, writer);
return(writer.ToString());
}
/// <summary>
/// Returns the EPL.
/// </summary>
/// <param name="writer">to write to</param>
/// <param name="formatter">for newline-whitespace formatting</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (SelectClause != null)
{
SelectClause.ToEPL(writer, formatter, false, false);
writer.Write(" from ");
}
SplitExpression.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
if (OptionalSplitExpressionTypeName != null)
{
writer.Write("@Type(");
writer.Write(OptionalSplitExpressionTypeName);
writer.Write(")");
}
if (OptionalAsName != null)
{
writer.Write(" as ");
writer.Write(OptionalAsName);
}
if (WhereClause != null)
{
writer.Write(" where ");
WhereClause.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
}
public override void ToEPLStream(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("sql:");
writer.Write(_databaseName);
writer.Write("[\"");
writer.Write(_sqlWithSubsParams);
writer.Write("\"]");
}
public void ToEPL(TextWriter writer,
EPStatementFormatter formatter)
{
writer.Write("group ");
Expression.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(" as ");
writer.Write(Label);
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (HashFunction != null)
{
HashFunction.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
writer.Write(" from ");
Filter.ToEPL(writer, formatter);
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
Filter.ToEPL(writer, formatter);
if (OptionalAsName != null)
{
writer.Write(" as ");
writer.Write(OptionalAsName);
}
}
/// <summary>
/// RenderAny contained-event select
/// </summary>
/// <param name="writer">to render to</param>
/// <param name="formatter">to use</param>
/// <param name="items">to render</param>
public static void ToEPL(TextWriter writer, EPStatementFormatter formatter, IList <ContainedEventSelect> items)
{
foreach (ContainedEventSelect propertySelect in items)
{
writer.Write('[');
propertySelect.ToEPL(writer, formatter);
writer.Write(']');
}
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (IsNow)
{
writer.Write("@now and");
}
writer.Write("after ");
TimePeriod.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
String delimiter = "";
foreach (PatternExpr child in Children)
{
writer.Write(delimiter);
child.ToEPL(writer, Precedence, formatter);
delimiter = " and ";
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("every ");
PatternExprPrecedenceEnum precedence = Precedence;
if (Children[0] is PatternEveryExpr)
{
precedence = PatternExprPrecedenceEnum.MAXIMIM;
}
Children[0].ToEPL(writer, precedence, formatter);
}
/// <summary>Renders the clause in textual representation. </summary>
/// <param name="writer">to output to</param>
/// <param name="formatter">for NewLine-whitespace formatting</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
ToEPLStream(writer, formatter);
if (StreamName != null)
{
writer.Write(" as ");
writer.Write(StreamName);
}
ToEPLStreamOptions(writer);
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("partition by ");
String delimiter = "";
foreach (ContextDescriptorKeyedSegmentedItem item in Items)
{
writer.Write(delimiter);
item.ToEPL(writer, formatter);
delimiter = ", ";
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
if ((Children == null) || (Children.Count == 0))
{
return;
}
PatternExpr patternExpr = Children[0];
if (patternExpr != null)
{
patternExpr.ToEPL(writer, Precedence, formatter);
}
}
public void ToEPL(TextWriter writer,
EPStatementFormatter formatter)
{
String delimiter = "";
foreach (String prop in PropertyNames)
{
writer.Write(delimiter);
writer.Write(prop);
delimiter = " and ";
}
writer.Write(" from ");
Filter.ToEPL(writer, formatter);
}
public void ToEPL(TextWriter writer,
EPStatementFormatter formatter)
{
String delimiter = "";
foreach (ContextDescriptorCategoryItem item in Items)
{
writer.Write(delimiter);
item.ToEPL(writer, formatter);
delimiter = ", ";
}
writer.Write(" from ");
Filter.ToEPL(writer, formatter);
}
/// <summary>
/// Returns a textual representation of the filter.
/// </summary>
/// <param name="writer">to output to</param>
/// <param name="formatter">for newline-whitespace formatting</param>
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write(EventTypeName);
if (FilterExpression != null)
{
writer.Write('(');
FilterExpression.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(')');
}
if (OptionalPropertySelects != null)
{
ContainedEventSelect.ToEPL(writer, formatter, OptionalPropertySelects);
}
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
String delimiter = "";
foreach (CreateContextClause context in Contexts)
{
writer.Write(delimiter);
writer.Write("context ");
writer.Write(context.ContextName);
writer.Write(" as ");
context.Descriptor.ToEPL(writer, formatter);
delimiter = ", ";
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("every-distinct(");
String delimiter = "";
foreach (Expression expr in Expressions)
{
writer.Write(delimiter);
expr.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
delimiter = ",";
}
writer.Write(") ");
Children[0].ToEPL(writer, Precedence, formatter);
}
/// <summary>
/// Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.
/// </summary>
/// <param name="writer">is the output to use</param>
/// <param name="formatter">for NewLine-whitespace formatting</param>
public void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
Children[0].ToEPL(writer, Precedence, formatter);
if (GuardEnumExtensions.IsWhile(Namespace, Name))
{
writer.Write(" while (");
Parameters[0].ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(")");
}
else
{
writer.Write(" where ");
base.ToEPL(writer);
}
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (Single != null)
{
writer.Write("[");
Single.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write("]");
}
else
{
if (Low != null || High != null)
{
writer.Write("[");
if ((Low != null) && (High != null))
{
Low.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(":");
High.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
else if (Low != null)
{
Low.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(":");
}
else
{
writer.Write(":");
High.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
writer.Write("] ");
}
}
PatternExprPrecedenceEnum precedence = Precedence;
if (Children[0] is PatternMatchUntilExpr)
{
precedence = PatternExprPrecedenceEnum.MAXIMIM;
}
Children[0].ToEPL(writer, precedence, formatter);
if (Children.Count > 1)
{
writer.Write(" until ");
Children[1].ToEPL(writer, Precedence, formatter);
}
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (IsNow)
{
writer.Write("@now and");
}
writer.Write("pattern [");
if (Pattern != null)
{
Pattern.ToEPL(writer, PatternExprPrecedenceEnum.MINIMUM, formatter);
}
writer.Write("]");
if (IsInclusive)
{
writer.Write("@Inclusive");
}
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("coalesce ");
String delimiter = "";
foreach (ContextDescriptorHashSegmentedItem item in Items)
{
writer.Write(delimiter);
item.ToEPL(writer, formatter);
delimiter = ", ";
}
writer.Write(" granularity ");
writer.Write(Convert.ToString(Granularity));
if (IsPreallocate)
{
writer.Write(" preallocate");
}
}
public override void ToEPLProjectedStream(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("pattern");
if (Annotations != null)
{
foreach (var part in Annotations)
{
writer.Write(' ');
part.ToEPL(writer);
}
}
writer.Write(" [");
if (Expression != null)
{
Expression.ToEPL(writer, PatternExprPrecedenceEnum.MINIMUM, formatter);
}
writer.Write(']');
}
public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
if (TagName != null)
{
writer.Write(TagName);
writer.Write('=');
}
Filter.ToEPL(writer, formatter);
if (OptionalConsumptionLevel != null)
{
writer.Write("@consume");
if (OptionalConsumptionLevel != 1)
{
writer.Write("(");
writer.Write(Convert.ToString(OptionalConsumptionLevel));
writer.Write(")");
}
}
}
public void ToEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write(IsOverlapping ? "initiated by " : "start ");
if (_optionalDistinctExpressions != null && _optionalDistinctExpressions.Count > 0)
{
writer.Write("distinct(");
String delimiter = "";
foreach (Expression expression in _optionalDistinctExpressions)
{
writer.Write(delimiter);
expression.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
delimiter = ", ";
}
writer.Write(") ");
}
StartCondition.ToEPL(writer, formatter);
writer.Write(" ");
writer.Write(IsOverlapping ? "terminated " : "end ");
EndCondition.ToEPL(writer, formatter);
}
