|
Sensix
Wireless Sensor Network Middleware |
|
Home Project Page Download CVS |
|
Hosted by |
/home/brennan/Software/sensix/source/C^4/corba/gov/lanl/isr/sensix/discovery/OthersImpl.java
Go to the documentation of this file.00001 00010 /* 00011 * Copyright 2008. Los Alamos National Security, LLC. This material 00012 * was produced under U.S. Government contract DE-AC52-06NA25396 for 00013 * Los Alamos National Laboratory (LANL), which is operated by Los 00014 * Alamos National Security, LLC, for the Department of Energy. The 00015 * U.S. Government has rights to use, reproduce, and distribute this 00016 * software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY, 00017 * LLC, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL 00018 * LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified to 00019 * produce derivative works, such modified software should be clearly 00020 * marked, so as not to confuse it with the version available from LANL. 00021 * 00022 * Additionally, this program is free software; you can redistribute 00023 * it and/or modify it under the terms of the GNU General Public 00024 * License as published by the Free Software Foundation; version 2 of 00025 * the License. Accordingly, this program is distributed in the hope 00026 * it will be useful, but WITHOUT ANY WARRANTY; without even the 00027 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00028 * PURPOSE. See the GNU General Public License for more details. 00029 * 00030 * You should have received a copy of the GNU General Public License 00031 * along with this program; if not, write to the Free Software 00032 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00033 */ 00034 00035 package gov.lanl.isr.sensix.discovery; 00036 00037 import gov.lanl.isr.sensix.*; 00038 00039 00040 public class OthersImpl extends _OthersStub 00041 { 00042 private AncestorsImpl parents; 00043 private SiblingsImpl sisters; 00044 private DescendantsImpl children; 00045 00046 00047 public OthersImpl(DiscoveryService ds) { 00048 parents = new AncestorsImpl(ds); 00049 sisters = new SiblingsImpl(ds); 00050 children = new DescendantsImpl(ds); 00051 } 00052 00053 00054 public Ancestors ancestors() { 00055 return (Ancestors)parents; 00056 } 00057 00058 00059 public Siblings siblings() { 00060 return (Siblings)sisters; 00061 } 00062 00063 00064 public Descendants descendants() { 00065 return (Descendants)children; 00066 } 00067 00068 00069 public boolean findNode(int id) { 00070 return (parents.findNode(id) || sisters.findNode(id) || 00071 children.findNode(id)); 00072 } 00073 00074 00075 private Request[] combine(Request[] a, Request[] b) { 00076 Request[] ret_objs = new Request[a.length + b.length]; 00077 00078 System.arraycopy(a, 0, ret_objs, 0, a.length); 00079 System.arraycopy(b, 0, ret_objs, a.length, b.length); 00080 return ret_objs; 00081 } 00082 00083 00084 public Request[] queryNetwork(byte capability) throws DiscoveryException { 00085 boolean hit_exception = false; 00086 String prev_exception = null; 00087 Request[] sis_objs = null; 00088 Request[] kid_objs = null; 00089 00090 try { 00091 sis_objs = sisters.queryNetwork(capability); 00092 } catch (DiscoveryException de) { 00093 hit_exception = true; 00094 prev_exception = de.description; 00095 } 00096 try { 00097 kid_objs = children.queryNetwork(capability); 00098 } catch (DiscoveryException de) { 00099 if (hit_exception) { 00100 de.description += " and " + prev_exception; 00101 throw de; 00102 } 00103 } 00104 00105 if (sis_objs == null) 00106 return kid_objs; 00107 if (kid_objs == null) 00108 return sis_objs; 00109 return combine(sis_objs, kid_objs); 00110 } 00111 00112 00113 public Request queryNode(int id, byte capability) 00114 throws DiscoveryException { 00115 Request obj = null; 00116 obj = sisters.queryNode(id, capability); 00117 if (obj != null) 00118 return obj; 00119 obj = children.queryNode(id, capability); 00120 return obj; 00121 } 00122 }