it.unimi.di.mg4j.query.nodes
Class Weight

java.lang.Object
  it.unimi.di.mg4j.query.nodes.Weight

All Implemented Interfaces:

Query, Serializable

public class Weight
extends Object
implements Query

A node representing a weight selection.

Author:

Sebastiano Vigna

See Also:

Serialized Form

Field Summary

Query	query The only underlying node.
double	weight The weight selection.

Constructor Summary

Weight(double weight, Query query)

Method Summary

<T> T	accept(QueryBuilderVisitor<T> visitor) Accepts a visitor.
boolean	equals(Object o)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

weight

public final double weight

The weight selection.

query

public final Query query

The only underlying node.

Constructor Detail

Weight

public Weight(double weight,
              Query query)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

accept

public <T> T accept(QueryBuilderVisitor<T> visitor)
         throws QueryBuilderVisitorException

Description copied from interface: Query

Accepts a visitor.

Specified by:

accept in interface Query

Parameters:

visitor - the visitor.

Returns:

the result of the visit, or null if the visit should stop.

Throws:

QueryBuilderVisitorException

See Also:

Query

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object