| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Copyright 2015, 2016 Diamond Light Source Ltd.<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> *<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * All rights reserved. This program and the accompanying materials<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * are made available under the terms of the Eclipse Public License v1.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * which accompanies this distribution, and is available at<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * http://www.eclipse.org/legal/epl-v10.html<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> */<a name="line.8"></a> |
| <span class="sourceLineNo">009</span><a name="line.9"></a> |
| <span class="sourceLineNo">010</span>package org.eclipse.january.dataset;<a name="line.10"></a> |
| <span class="sourceLineNo">011</span><a name="line.11"></a> |
| <span class="sourceLineNo">012</span>import java.util.Collections;<a name="line.12"></a> |
| <span class="sourceLineNo">013</span>import java.util.Set;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.14"></a> |
| <span class="sourceLineNo">015</span><a name="line.15"></a> |
| <span class="sourceLineNo">016</span>/**<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * Class used by DynamicDataset to delegate<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>public class DataListenerDelegate {<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span> private Set<IDataListener> listeners;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span> public DataListenerDelegate() {<a name="line.23"></a> |
| <span class="sourceLineNo">024</span> listeners = Collections.newSetFromMap(new ConcurrentHashMap<IDataListener, Boolean>());<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> }<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span> public void addDataListener(IDataListener l) {<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> listeners.add(l);<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> }<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> public void removeDataListener(IDataListener l) {<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> listeners.remove(l);<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> }<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> public void fire(DataEvent evt) {<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> for (IDataListener listener : listeners) {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> listener.dataChangePerformed(evt);<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> }<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> }<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> public boolean hasDataListeners() {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> return listeners.size() > 0;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> }<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> public void clear() {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> listeners.clear();<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> }<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>}<a name="line.49"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
