Package com.yahoo.searchlib.rankingexpression.rule

Class SetMembershipNode

java.lang.Object

com.yahoo.searchlib.rankingexpression.rule.ExpressionNode

com.yahoo.searchlib.rankingexpression.rule.CompositeNode

com.yahoo.searchlib.rankingexpression.rule.BooleanNode

com.yahoo.searchlib.rankingexpression.rule.SetMembershipNode

All Implemented Interfaces:

java.io.Serializable

public class SetMembershipNode
extends BooleanNode

A node which returns true or false depending on a set membership test

Author:

bratseth

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
SetMembershipNode(ExpressionNode testValue, java.util.List<ExpressionNode> setValues)

Method Summary

Modifier and Type	Method	Description
java.util.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.
java.util.List<ExpressionNode>	getSetValues()	Returns an immutable list of the values of the set
ExpressionNode	getTestValue()	The value to check for membership in the set
SetMembershipNode	setChildren(java.util.List<ExpressionNode> children)	Returns a copy of this where the children is replaced by the given children.
java.lang.StringBuilder	toString(java.lang.StringBuilder string, SerializationContext context, java.util.Deque<java.lang.String> path, CompositeNode parent)	Returns a script instance of this based on the supplied script functions.
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, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SetMembershipNode

public SetMembershipNode(ExpressionNode testValue,
                         java.util.List<ExpressionNode> setValues)

Method Detail

getTestValue

public ExpressionNode getTestValue()

The value to check for membership in the set

getSetValues

public java.util.List<ExpressionNode> getSetValues()

Returns an immutable list of the values of the set

children

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

Description copied from class: ExpressionNode

Returns a script instance of this based on the supplied script functions.

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 a root

Returns:

the main script, referring to script instances.

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

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

setChildren

public SetMembershipNode setChildren(java.util.List<ExpressionNode> children)

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