org.objectweb.medor.filter.lib
Class Avg
- AggregateOperator, UnaryOperator
Avg aggregate function.
Avg applies to :
- a FieldOperand, which is part of a NestedField.
- a Collection of values (TupleCollection), specifying which Field
is to be aggregated
- a Collection of values (Java Collection)
- Alexandre Lefebvre
Avg()
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Avg(Expression e)
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Avg(Expression e, boolean distinct)
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Avg
public Avg(Expression e)
Avg
public Avg(Expression e,
boolean distinct)
compileExpression
public Operand compileExpression()
throws ExpressionException,
MalformedExpressionException
evaluate
public Operand evaluate(ParameterOperand[] pos,
Object o)
throws ExpressionException
getOperatorString
public String getOperatorString()