Package com.yahoo.searchlib.rankingexpression.rule

Class EmbracedNode

java.lang.Object

com.yahoo.searchlib.rankingexpression.rule.ExpressionNode

com.yahoo.searchlib.rankingexpression.rule.CompositeNode

com.yahoo.searchlib.rankingexpression.rule.EmbracedNode

All Implemented Interfaces:

Serializable

public final class EmbracedNode
extends CompositeNode

This class represents another expression enclosed in braces.

Author:

Simon Thoresen Hult

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
EmbracedNode(ExpressionNode value)	Creates a new expression node that embraces another.

Method Summary

Modifier and Type	Method	Description
List<ExpressionNode>	children()	Returns a read-only list containing the immediate children of this composite.
Value	evaluate(Context context)	Returns the value of evaluating this expression over the given context.
ExpressionNode	getValue()	Returns the node enclosed by this
int	hashCode()	Returns a hashcode computed from the data in this
CompositeNode	setChildren(List<ExpressionNode> newChildren)	Returns a copy of this where the children is replaced by the given children.
StringBuilder	toString(StringBuilder string, SerializationContext context, Deque<String> path, CompositeNode parent)	Returns this in serialized form.
com.yahoo.tensor.TensorType	type(com.yahoo.tensor.evaluation.TypeContext<Reference> context)	Returns the type this will return if evaluated with the given context.

Methods inherited from class com.yahoo.searchlib.rankingexpression.rule.ExpressionNode

equals, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

EmbracedNode

public EmbracedNode(ExpressionNode value)

Creates a new expression node that embraces another.

Parameters:

value - The node to embrace.

Method Details

getValue

public ExpressionNode getValue()

Returns the node enclosed by this

children

public List<ExpressionNode> children()

Description copied from class: CompositeNode

Returns a read-only list containing the immediate children of this composite.

Specified by:

children in class CompositeNode

Returns:

The children of this.

toString

public StringBuilder toString(StringBuilder string,
 SerializationContext context,
 Deque<String> path,
 CompositeNode parent)

Description copied from class: ExpressionNode

Returns this in serialized form.

Specified by:

toString in class ExpressionNode

Parameters:

string - the StringBuilder that will be appended to

context - the serialization context

path - the call path to this, used for cycle detection, or null if this is a root

parent - the parent node of this, or null if it is a root

Returns:

the main script, referring to script instances.

evaluate

public Value evaluate(Context context)

Description copied from class: ExpressionNode

Returns the value of evaluating this expression over the given context.

Specified by:

evaluate in class ExpressionNode

Parameters:

context - the variable bindings to use for this evaluation

type

public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext<Reference> context)

Description copied from class: ExpressionNode

Returns the type this will return if evaluated with the given context.

Specified by:

type in class ExpressionNode

Parameters:

context - the variable type bindings to use for this evaluation

setChildren

public CompositeNode setChildren(List<ExpressionNode> newChildren)

Description copied from class: CompositeNode

Returns a copy of this where the children is replaced by the given children.

Specified by:

setChildren in class CompositeNode

hashCode

public int hashCode()

Description copied from class: ExpressionNode

Returns a hashcode computed from the data in this

Specified by:

hashCode in class ExpressionNode