public class Count extends AggregateOperatorBase
arg
Constructor and Description |
---|
Count(ValueExpr arg) |
Count(ValueExpr arg,
boolean distinct) |
Modifier and Type | Method and Description |
---|---|
Count |
clone()
Returns a (deep) clone of this query model node.
|
boolean |
equals(Object other)
Returns true if this query model node and its children are
recursively equal to o and its children.
|
String |
getSignature()
Default implementation of
QueryModelNode.getSignature() that
prints the name of the node's class. |
int |
hashCode() |
<X extends Exception> |
visit(QueryModelVisitor<X> visitor)
Visits this node.
|
isDistinct, setDistinct
getArg, replaceChildNode, setArg, visitChildren
getParentNode, nullEquals, replaceNodeInList, replaceWith, setParentNode, toString
finalize, getClass, notify, notifyAll, wait, wait, wait
getParentNode, replaceChildNode, replaceWith, setParentNode, toString, visitChildren
public Count(ValueExpr arg)
public Count(ValueExpr arg, boolean distinct)
public <X extends Exception> void visit(QueryModelVisitor<X> visitor) throws X extends Exception
QueryModelNode
X extends Exception
public boolean equals(Object other)
QueryModelNode
equals
in interface QueryModelNode
equals
in class UnaryValueOperator
public int hashCode()
hashCode
in class AggregateOperatorBase
public Count clone()
QueryModelNode
clone
in interface AggregateOperator
clone
in interface QueryModelNode
clone
in interface ValueExpr
clone
in class AggregateOperatorBase
public String getSignature()
QueryModelNodeBase
QueryModelNode.getSignature()
that
prints the name of the node's class.getSignature
in interface QueryModelNode
getSignature
in class QueryModelNodeBase
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