Package com.yahoo.searchlib.expression

Class TimeStampFunctionNode

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.TimeStampFunctionNode

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class TimeStampFunctionNode
extends UnaryFunctionNode

This function assign a fixed width bucket to each input value.

Author:

Haavard Pettersen, Simon Thoresen Hult

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TimeStampFunctionNode.TimePart

Field Summary

Fields

Modifier and Type	Field	Description
static int	classId

Constructor Summary

Constructors

Constructor	Description
TimeStampFunctionNode()
TimeStampFunctionNode(ExpressionNode arg, TimeStampFunctionNode.TimePart part, boolean gmt)	Create a bucket expression with the given width and the given subexpression.

Method Summary

Modifier and Type	Method	Description
TimeStampFunctionNode	clone()
protected boolean	equalsUnaryFunction(UnaryFunctionNode obj)
TimeStampFunctionNode.TimePart	getTimePart()
boolean	isGmt()
boolean	isLocal()
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

TimeStampFunctionNode

public TimeStampFunctionNode()

TimeStampFunctionNode

public TimeStampFunctionNode(ExpressionNode arg,
                             TimeStampFunctionNode.TimePart part,
                             boolean gmt)

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

Parameters:

arg - The argument for this function.

part - The part of time to retrieve.

gmt - Whether or not to treat time as GMT.

Method Detail

getTimePart

public TimeStampFunctionNode.TimePart getTimePart()

isGmt

public boolean isGmt()

isLocal

public boolean isLocal()

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 TimeStampFunctionNode clone()

Overrides:

clone in class MultiArgFunctionNode

visitMembers

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

Overrides:

visitMembers in class MultiArgFunctionNode