Package com.yahoo.searchlib.expression

Class CatFunctionNode

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.CatFunctionNode

All Implemented Interfaces:

Serializable, Cloneable

public class CatFunctionNode
extends MultiArgFunctionNode

This function is an instruction to concatenate the bits of all arguments in order.

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
CatFunctionNode()

Method Summary

Modifier and Type	Method	Description
protected boolean	equalsMultiArgFunction(MultiArgFunctionNode obj)
protected boolean	onExecute()
protected int	onGetClassId()
protected void	onPrepare()
protected void	onPrepareResult()

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

addArg, clone, equalsFunction, getArg, getNumArgs, hashCode, onCalculate, onDeserialize, onSerialize, selectMembers, visitMembers

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, getRawUtf8Bytes, 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 Details

classId

public static final int classId

Constructor Details

CatFunctionNode

public CatFunctionNode()

Method Details

onGetClassId

protected int onGetClassId()

Overrides:

onGetClassId in class MultiArgFunctionNode

equalsMultiArgFunction

protected boolean equalsMultiArgFunction(MultiArgFunctionNode obj)

Specified by:

equalsMultiArgFunction in class MultiArgFunctionNode

onPrepareResult

protected void onPrepareResult()

Overrides:

onPrepareResult in class MultiArgFunctionNode

onPrepare

protected void onPrepare()

Overrides:

onPrepare in class MultiArgFunctionNode

onExecute

protected boolean onExecute()

Overrides:

onExecute in class MultiArgFunctionNode