Package com.yahoo.searchlib.expression

Class RangeBucketPreDefFunctionNode

java.lang.Object

com.yahoo.vespa.objects.Selectable

com.yahoo.vespa.objects.Identifiable

com.yahoo.searchlib.expression.ExpressionNode

com.yahoo.searchlib.expression.FunctionNode

com.yahoo.searchlib.expression.MultiArgFunctionNode

com.yahoo.searchlib.expression.UnaryFunctionNode

com.yahoo.searchlib.expression.RangeBucketPreDefFunctionNode

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class RangeBucketPreDefFunctionNode
extends UnaryFunctionNode

This function assign a fixed width bucket to each input value

Author:

Haavard Pettersen, Simon Thoresen Hult

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static int	classId

Constructor Summary

Constructors

Constructor	Description
RangeBucketPreDefFunctionNode()	Constructs an empty result node.
RangeBucketPreDefFunctionNode(ResultNodeVector v, ExpressionNode arg)	Create a bucket expression with the given width and the given subexpression

Method Summary

Modifier and Type	Method	Description
RangeBucketPreDefFunctionNode	clone()
protected boolean	equalsUnaryFunction(UnaryFunctionNode obj)
ResultNodeVector	getBucketList()	Obtain the predefined bucket list of this bucket expression
protected void	onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
protected int	onGetClassId()
protected void	onSerialize(com.yahoo.vespa.objects.Serializer buf)
void	visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)

Methods inherited from class com.yahoo.searchlib.expression.UnaryFunctionNode

equalsMultiArgFunction, getArg, onPrepare, onPrepareResult

Methods inherited from class com.yahoo.searchlib.expression.MultiArgFunctionNode

addArg, equalsFunction, getArg, getNumArgs, hashCode, onCalculate, onExecute, selectMembers

Methods inherited from class com.yahoo.searchlib.expression.FunctionNode

equalsExpression, getResult, setResult

Methods inherited from class com.yahoo.searchlib.expression.ExpressionNode

equals, execute, executeIterative, onArgument, prepare

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

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

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

select, select

Methods inherited from class java.lang.Object

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

Field Detail

classId

public static final int classId

Constructor Detail

RangeBucketPreDefFunctionNode

public RangeBucketPreDefFunctionNode()

Constructs an empty result node.

RangeBucketPreDefFunctionNode

public RangeBucketPreDefFunctionNode(ResultNodeVector v,
                                     ExpressionNode arg)

Create a bucket expression with the given width and the given subexpression

Parameters:

v - predefined bucket list

arg - The argument for this function.

Method Detail

getBucketList

public ResultNodeVector getBucketList()

Obtain the predefined bucket list of this bucket expression

Returns:

predefined bucket list for this expression

onGetClassId

protected int onGetClassId()

Overrides:

onGetClassId in class UnaryFunctionNode

onSerialize

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

Overrides:

onSerialize in class MultiArgFunctionNode

onDeserialize

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

Overrides:

onDeserialize in class MultiArgFunctionNode

equalsUnaryFunction

protected boolean equalsUnaryFunction(UnaryFunctionNode obj)

Specified by:

equalsUnaryFunction in class UnaryFunctionNode

clone

public RangeBucketPreDefFunctionNode clone()

Overrides:

clone in class MultiArgFunctionNode

visitMembers

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

Overrides:

visitMembers in class MultiArgFunctionNode