org.hypergraphdb.query
Class Nothing

java.lang.Object
  org.hypergraphdb.query.Nothing

All Implemented Interfaces:

HGQueryCondition

public final class Nothing
extends java.lang.Object
implements HGQueryCondition

This condition represents the negation of everything. It will yield an empty result set alone or in conjunction with any other condition.

Author:

Borislav Iordanov

Field Summary

static Nothing

Instance

Constructor Summary

Nothing()
this is required to ensure the class is a bean.

Method Summary

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

Instance

public static final Nothing Instance

Constructor Detail

Nothing

public Nothing()

this is required to ensure the class is a bean.