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Core library functionality concerned with general programming problems
rather than multimedia specific functionality. Includes I/O utilities,
randomisation, hashing and type conversion.
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/*
AUTOMATICALLY GENERATED BY jTemp FROM
/Users/jsh2/Work/openimaj/target/checkout/core/core/src/main/jtemp/org/openimaj/data/#T#ArrayBackedDataSource.jtemp
*/
/**
* Copyright (c) 2011, The University of Southampton and the individual contributors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the University of Southampton 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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
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*/
package org.openimaj.data;
import java.util.Iterator;
import java.util.Random;
import org.openimaj.util.array.ArrayIterator;
/**
* A {@link DataSource} backed by a 2D array of longs.
*
* @author Jonathon Hare ([email protected])
*
*/
public class LongArrayBackedDataSource implements DataSource {
protected long[][] data;
protected Random rng;
/**
* Construct with data
* @param data the data
*/
public LongArrayBackedDataSource(long[][] data) {
this.data = data;
this.rng = new Random();
}
/**
* Construct with data and a random generator for random sampling
* @param data the data
* @param rng the random generator
*/
public LongArrayBackedDataSource(long[][] data, Random rng) {
this.data = data;
this.rng = rng;
}
@Override
public final void getData(int startRow, int stopRow, long[][] output) {
for (int i=startRow, j=0; i iterator() {
return new ArrayIterator(data);
}
@Override
public long[][] createTemporaryArray(int size) {
return new long[size][data[0].length];
}
}