Java interface using the shell to collect and visualize sensor values from Sky nodes

examples/sky-shell/src/se/sics/contiki/collect/Node.java

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+/*
+ * Copyright (c) 2008, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: Node.java,v 1.1 2008/07/09 23:18:06 nifi Exp $
+ *
+ * -----------------------------------------------------------------
+ *
+ * Node
+ *
+ * Authors : Joakim Eriksson, Niclas Finne
+ * Created : 3 jul 2008
+ * Updated : $Date: 2008/07/09 23:18:06 $
+ *           $Revision: 1.1 $
+ */
+
+package se.sics.contiki.collect;
+import java.util.ArrayList;
+import java.util.Hashtable;
+
+/**
+ *
+ */
+public class Node implements Comparable<Node> {
+
+  private ArrayList<SensorData> sensorDataList = new ArrayList<SensorData>();
+  private ArrayList<Link> links = new ArrayList<Link>();
+
+  private final String id;
+  private final String name;
+
+  private int x = -1, y = -1;
+
+  private Hashtable<String,Object> objectTable;
+
+  private long lastActive;
+
+  public Node(String nodeID) {
+    this.id = nodeID;
+    this.name = "Node " + nodeID;
+  }
+
+  public final String getID() {
+    return id;
+  }
+
+  public final String getName() {
+    return name;
+  }
+
+  public int getX() {
+    return x;
+  }
+
+  public int getY() {
+    return y;
+  }
+
+  public void setLocation(int x, int y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  public boolean hasLocation() {
+    return x >= 0 && y >= 0;
+  }
+
+  public long getLastActive() {
+    return lastActive;
+  }
+
+  public void setLastActive(long lastActive) {
+    this.lastActive = lastActive;
+  }
+
+  @Override
+  public int compareTo(Node o) {
+    return name.compareTo(o.name);
+  }
+
+  public String toString() {
+    return name;
+  }
+
+
+  // -------------------------------------------------------------------
+  // Attributes
+  // -------------------------------------------------------------------
+
+  public Object getAttribute(String key) {
+    return getAttribute(key, null);
+  }
+
+  public Object getAttribute(String key, Object defaultValue) {
+    if (objectTable == null) {
+      return null;
+    }
+    Object val = objectTable.get(key);
+    return val == null ? defaultValue : val;
+  }
+
+  public void setAttribute(String key, Object value) {
+    if (objectTable == null) {
+      objectTable = new Hashtable<String,Object>();
+    }
+    objectTable.put(key, value);
+  }
+
+  public void clearAttributes() {
+    if (objectTable != null) {
+      objectTable.clear();
+    }
+  }
+
+
+  // -------------------------------------------------------------------
+  // SensorData
+  // -------------------------------------------------------------------
+
+  public SensorData[] getAllSensorData() {
+    return sensorDataList.toArray(new SensorData[sensorDataList.size()]);
+  }
+
+
+  public void removeAllSensorData() {
+    sensorDataList.clear();
+  }
+
+  public SensorData getSensorData(int index) {
+    return sensorDataList.get(index);
+  }
+
+  public int getSensorDataCount() {
+    return sensorDataList.size();
+  }
+
+  public boolean addSensorData(SensorData data) {
+    if (sensorDataList.size() > 0) {
+      SensorData last = sensorDataList.get(sensorDataList.size() - 1);
+      // TODO should check seqno!
+      if (data.getTime() <= last.getTime()) {
+        // Sensor data already added
+        System.out.println("SensorData: ignoring (time " + (data.getTime() - last.getTime())
+            + "msec): " + data);
+        return false;
+      }
+    }
+    sensorDataList.add(data);
+    return true;
+  }
+
+
+  // -------------------------------------------------------------------
+  // Links
+  // -------------------------------------------------------------------
+
+  public Link getLink(Node node) {
+    for(Link l: links) {
+      if (l.node == node) {
+        return l;
+      }
+    }
+
+    // Add new link
+    Link l = new Link(node);
+    links.add(l);
+    return l;
+  }
+
+  public Link getLink(int index) {
+    return links.get(index);
+  }
+
+  public int getLinkCount() {
+    return links.size();
+  }
+
+  public void removeLink(Node node) {
+    for (int i = 0, n = links.size(); i < n; i++) {
+      Link l = links.get(i);
+      if (l.node == node) {
+        links.remove(i);
+        break;
+      }
+    }
+  }
+
+  public void clearLinks() {
+    links.clear();
+  }
+
+}