Module org.cojen.tupl

Package org.cojen.tupl.diag

Class QueryPlan.Empty

java.lang.Object

org.cojen.tupl.diag.QueryPlan

org.cojen.tupl.diag.QueryPlan.Set

org.cojen.tupl.diag.QueryPlan.Empty

All Implemented Interfaces:

Serializable

Enclosing class:

QueryPlan

public static final class QueryPlan.Empty
extends QueryPlan.Set

Query plan node which represents an empty set.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.cojen.tupl.diag.QueryPlan

QueryPlan.Aggregator, QueryPlan.DisjointUnion, QueryPlan.Empty, QueryPlan.Exists, QueryPlan.Filter, QueryPlan.FullScan, QueryPlan.Grouper, QueryPlan.GroupSort, QueryPlan.Identity, QueryPlan.LoadOne, QueryPlan.Mapper, QueryPlan.NaturalJoin, QueryPlan.NestedLoopsJoin, QueryPlan.PrimaryJoin, QueryPlan.RangeScan, QueryPlan.RangeUnion, QueryPlan.Scan, QueryPlan.Set, QueryPlan.Sort, QueryPlan.Table, QueryPlan.Union

Field Summary

Fields inherited from class org.cojen.tupl.diag.QueryPlan.Set

sources

Constructor Summary

Constructors

Constructor	Description
Empty()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()

Methods inherited from class org.cojen.tupl.diag.QueryPlan

appendTo, appendTo, printTo, toString

Methods inherited from class java.lang.Object

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

Constructor Details

Empty

public Empty()

Method Details

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class QueryPlan.Set