public class SumNode extends AggregateNode
Purpose: Model a SUM
Responsibilities:
left, right, shouldGenerateExpression
Constructor and Description |
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SumNode() |
Modifier and Type | Method and Description |
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protected Expression |
addAggregateExression(Expression expr)
INTERNAL
|
void |
applyToQuery(ObjectLevelReadQuery theQuery,
GenerationContext context)
INTERNAL
Apply this node to the passed query
|
protected Class |
calculateReturnType(GenerationContext context)
INTERNAL
This method calculates the return type of the SUM operation.
|
protected Object |
calculateReturnType(Object argType,
TypeHelper helper)
INTERNAL
Helper method to calculate the return type of the SUM operation.
|
String |
getAsString()
INTERNAL
Get the string representation of this node.
|
void |
validate(ParseTreeContext context)
INTERNAL
Validate node and calculate its type.
|
generateExpression, isAggregateNode, resolveAttribute, resolveClass, setDistinct, usesDistinct
addToExpression, appendExpression, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, qualifyAttributeAccess, resolveClass, resolveMapping, resolveMapping, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validateParameter
public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext context)
applyToQuery
in class Node
public void validate(ParseTreeContext context)
protected Expression addAggregateExression(Expression expr)
addAggregateExression
in class AggregateNode
protected Class calculateReturnType(GenerationContext context)
protected Object calculateReturnType(Object argType, TypeHelper helper)
public String getAsString()
getAsString
in class Node
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