Package com.yahoo.searchlib.expression
Class FunctionNode
- java.lang.Object
-
- com.yahoo.vespa.objects.Selectable
-
- com.yahoo.vespa.objects.Identifiable
-
- com.yahoo.searchlib.expression.ExpressionNode
-
- com.yahoo.searchlib.expression.FunctionNode
-
- All Implemented Interfaces:
Serializable
,Cloneable
- Direct Known Subclasses:
AttributeNode
,MultiArgFunctionNode
public abstract class FunctionNode extends ExpressionNode
This abstract expression node represents a function to execute.- Author:
- baldersheim, Simon Thoresen Hult
- See Also:
- Serialized Form
-
-
Field Summary
Fields Modifier and Type Field Description static int
classId
-
Constructor Summary
Constructors Constructor Description FunctionNode()
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description FunctionNode
clone()
protected boolean
equalsExpression(ExpressionNode obj)
protected abstract boolean
equalsFunction(FunctionNode obj)
ResultNode
getResult()
Get the result of this expression.protected void
onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
protected int
onGetClassId()
protected void
onSerialize(com.yahoo.vespa.objects.Serializer buf)
FunctionNode
setResult(ResultNode res)
void
visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
-
Methods inherited from class com.yahoo.searchlib.expression.ExpressionNode
equals, execute, executeIterative, onArgument, onExecute, onPrepare, prepare
-
-
-
-
Method Detail
-
setResult
public FunctionNode setResult(ResultNode res)
-
getResult
public final ResultNode getResult()
Description copied from class:ExpressionNode
Get the result of this expression.- Specified by:
getResult
in classExpressionNode
- Returns:
- the result as a ResultNode.
-
onGetClassId
protected int onGetClassId()
- Overrides:
onGetClassId
in classExpressionNode
-
onSerialize
protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)
- Overrides:
onSerialize
in classExpressionNode
-
onDeserialize
protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
- Overrides:
onDeserialize
in classExpressionNode
-
clone
public FunctionNode clone()
- Overrides:
clone
in classExpressionNode
-
visitMembers
public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
- Overrides:
visitMembers
in classExpressionNode
-
equalsExpression
protected final boolean equalsExpression(ExpressionNode obj)
- Specified by:
equalsExpression
in classExpressionNode
-
equalsFunction
protected abstract boolean equalsFunction(FunctionNode obj)
-
-