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 final int	classId

Constructor Summary

Constructors

Constructor	Description
FunctionNode()

Method Summary

Modifier and Type	Method	Description
FunctionNode	clone()
protected final boolean	equalsExpression(ExpressionNode obj)
protected abstract boolean	equalsFunction(FunctionNode obj)
final 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

Methods inherited from class com.yahoo.vespa.objects.Identifiable

create, createFromId, deserialize, deserializeOptional, deserializeWithId, equals, getClassId, getRawUtf8Bytes, getUtf8, hashCode, putUtf8, registerClass, serialize, serializeOptional, serializeWithId, toString

Methods inherited from class com.yahoo.vespa.objects.Selectable

select, select, selectMembers

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

classId

public static final int classId

Constructor Details

FunctionNode

public FunctionNode()

Method Details

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 class ExpressionNode

Returns:

the result as a ResultNode.

onGetClassId

protected int onGetClassId()

Overrides:

onGetClassId in class ExpressionNode

onSerialize

protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)

Overrides:

onSerialize in class ExpressionNode

onDeserialize

protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)

Overrides:

onDeserialize in class ExpressionNode

clone

public FunctionNode clone()

Overrides:

clone in class ExpressionNode

visitMembers

public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)

Overrides:

visitMembers in class ExpressionNode

equalsExpression

protected final boolean equalsExpression(ExpressionNode obj)

Specified by:

equalsExpression in class ExpressionNode

equalsFunction

protected abstract boolean equalsFunction(FunctionNode obj)