Package com.yahoo.searchlib.rankingexpression.rule

Class CompositeNode

java.lang.Object

com.yahoo.searchlib.rankingexpression.rule.ExpressionNode

com.yahoo.searchlib.rankingexpression.rule.CompositeNode

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BooleanNode, EmbracedNode, FunctionNode, GeneratorLambdaFunctionNode, IfNode, LambdaFunctionNode, NegativeNode, OperationNode, ReferenceNode, TensorFunctionNode

public abstract class CompositeNode
extends ExpressionNode

The parent of all node types which contains child nodes.

Author:

bratseth

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
CompositeNode()

Method Summary

Modifier and Type	Method	Description
abstract List<ExpressionNode>	children()	Returns a read-only list containing the immediate children of this composite.
abstract CompositeNode	setChildren(List<ExpressionNode> children)	Returns a copy of this where the children is replaced by the given children.

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

equals, evaluate, hashCode, toString, toString, toString, type

Methods inherited from class java.lang.Object

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

Constructor Details

CompositeNode

public CompositeNode()

Method Details

children

public abstract List<ExpressionNode> children()

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

Returns:

The children of this.

setChildren

public abstract CompositeNode setChildren(List<ExpressionNode> children)

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

Throws:

IllegalArgumentException - if the given list of children has different size than children()