001/** 002 * 003 * Copyright 2016 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smackx.iot.discovery; 018 019import java.util.List; 020import java.util.concurrent.CopyOnWriteArrayList; 021 022import org.jivesoftware.smack.util.Async; 023import org.jivesoftware.smackx.iot.element.NodeInfo; 024import org.jxmpp.jid.BareJid; 025 026public class ThingState { 027 028 private final NodeInfo nodeInfo; 029 030 private BareJid registry; 031 private BareJid owner; 032 private boolean removed; 033 034 private final List<ThingStateChangeListener> listeners = new CopyOnWriteArrayList<>(); 035 036 ThingState(NodeInfo nodeInfo) { 037 this.nodeInfo = nodeInfo; 038 } 039 040 void setRegistry(BareJid registry) { 041 this.registry = registry; 042 } 043 044 void setUnregistered() { 045 this.registry = null; 046 } 047 048 void setOwner(final BareJid owner) { 049 this.owner = owner; 050 Async.go(new Runnable() { 051 @Override 052 public void run() { 053 for (ThingStateChangeListener thingStateChangeListener : listeners) { 054 thingStateChangeListener.owned(owner); 055 } 056 } 057 }); 058 } 059 060 void setUnowned() { 061 this.owner = null; 062 } 063 064 void setRemoved() { 065 removed = true; 066 } 067 068 public NodeInfo getNodeInfo() { 069 return nodeInfo; 070 } 071 072 public BareJid getRegistry() { 073 return registry; 074 } 075 076 public BareJid getOwner() { 077 return owner; 078 } 079 080 public boolean isOwned() { 081 return owner != null; 082 } 083 084 public boolean isRemoved() { 085 return removed; 086 } 087 088 public boolean setThingStateChangeListener(ThingStateChangeListener thingStateChangeListener) { 089 return listeners.add(thingStateChangeListener); 090 } 091 092 public boolean removeThingStateChangeListener(ThingStateChangeListener thingStateChangeListener) { 093 return listeners.remove(thingStateChangeListener); 094 } 095}