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| <pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *******************************************************************************<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Copyright (c) 2016 Diamond Light Source Ltd.<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> * Contributors:<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * Peter Chang - initial API and implementation and/or initial documentation<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *******************************************************************************/<a name="line.11"></a> |
| <span class="sourceLineNo">012</span><a name="line.12"></a> |
| <span class="sourceLineNo">013</span>package org.eclipse.january.dataset;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span><a name="line.14"></a> |
| <span class="sourceLineNo">015</span>/**<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * Class to run over a broadcasted single-item dataset<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>public class SingleItemIterator extends IndexIterator {<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> final private int size;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span> final private int offset;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span> private int i;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span> /**<a name="line.23"></a> |
| <span class="sourceLineNo">024</span> * Constructor for an iterator over single item that will be broadcast over<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> * given size of broadcast shape<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * @param offset offset to single item<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * @param size<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> */<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> public SingleItemIterator(final int offset, final int size) {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> this.size = size;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> this.offset = offset;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> reset();<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> @Override<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> public boolean hasNext() {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> return i++ < size;<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> @Override<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> public int[] getPos() {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> return null;<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> @Override<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public void reset() {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> index = offset;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> i = 0;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> }<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>}<a name="line.50"></a> |
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