Package com.yahoo.searchlib.expression
Class FixedWidthBucketFunctionNode
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.FixedWidthBucketFunctionNode
- All Implemented Interfaces:
Serializable
,Cloneable
This function assign a fixed width bucket to each input value
- Author:
- Haavard Pettersen, Simon Thoresen Hult
- See Also:
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Field Summary
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Constructor Summary
ConstructorDescriptionConstructs an empty result node.Create a bucket expression with the given width and the given subexpression -
Method Summary
Modifier and TypeMethodDescriptionclone()
protected boolean
getWidth()
Obtain the width of this bucket expressionprotected void
onDeserialize
(com.yahoo.vespa.objects.Deserializer buf) protected int
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, getRawUtf8Bytes, getUtf8, putUtf8, registerClass, registerClass, serialize, serializeOptional, serializeWithId, toString
Methods inherited from class com.yahoo.vespa.objects.Selectable
select, select
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Field Details
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classId
public static final int classId
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Constructor Details
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FixedWidthBucketFunctionNode
public FixedWidthBucketFunctionNode()Constructs an empty result node. -
FixedWidthBucketFunctionNode
Create a bucket expression with the given width and the given subexpression- Parameters:
w
- bucket widtharg
- The argument for this function.
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Method Details
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getWidth
Obtain the width of this bucket expression- Returns:
- bucket width for this expression
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onGetClassId
protected int onGetClassId()- Overrides:
onGetClassId
in classUnaryFunctionNode
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onSerialize
protected void onSerialize(com.yahoo.vespa.objects.Serializer buf) - Overrides:
onSerialize
in classMultiArgFunctionNode
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onDeserialize
protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf) - Overrides:
onDeserialize
in classMultiArgFunctionNode
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equalsUnaryFunction
- Specified by:
equalsUnaryFunction
in classUnaryFunctionNode
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clone
- Overrides:
clone
in classMultiArgFunctionNode
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visitMembers
public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor) - Overrides:
visitMembers
in classMultiArgFunctionNode
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