001/*
002        AUTOMATICALLY GENERATED BY jTemp FROM
003        /Users/jsh2/Work/openimaj/target/checkout/core/core/src/main/jtemp/org/openimaj/util/pair/#T#ObjectPair.jtemp
004*/
005/**
006 * Copyright (c) 2011, The University of Southampton and the individual contributors.
007 * All rights reserved.
008 *
009 * Redistribution and use in source and binary forms, with or without modification,
010 * are permitted provided that the following conditions are met:
011 *
012 *   *  Redistributions of source code must retain the above copyright notice,
013 *      this list of conditions and the following disclaimer.
014 *
015 *   *  Redistributions in binary form must reproduce the above copyright notice,
016 *      this list of conditions and the following disclaimer in the documentation
017 *      and/or other materials provided with the distribution.
018 *
019 *   *  Neither the name of the University of Southampton nor the names of its
020 *      contributors may be used to endorse or promote products derived from this
021 *      software without specific prior written permission.
022 *
023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
024 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
025 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
026 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
027 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
028 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
029 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
030 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
031 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
032 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
033 */
034package org.openimaj.util.pair;
035
036import java.util.ArrayList;
037import java.util.List;
038
039import gnu.trove.list.array.TLongArrayList;
040
041/**
042 * A pair of long and a generic type <Q>
043 * 
044 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
045 *
046 * @param <Q> type of second object
047 */
048public class LongObjectPair<Q> {
049        /**
050         * The first element of the pair  
051         */
052        public long first;
053        
054        /**
055         * The first element of the pair  
056         */
057        public Q second; 
058        
059        /**
060         * Construct pair with given values
061         * 
062         * @param f first value
063         * @param s second value
064         */
065        public LongObjectPair(long f, Q s) {first=f; second=s;} 
066        
067        /**
068         * Construct empty pair 
069         */
070        public LongObjectPair() { }
071        
072        /**
073         * Get the value of the first element
074         * @return the first value
075         */
076        public long getFirst() {
077                return first;
078        }
079
080        /**
081         * Set the value of the first element
082         * @param first the value to set
083         */
084        public void setFirst(long first) {
085                this.first = first;
086        }
087
088        /**
089         * Get the value of the second element
090         * @return the second
091         */
092        public Q getSecond() {
093                return second;
094        }
095
096        /**
097         * Set the value of the second element
098         * @param second the value to set
099         */
100        public void setSecond(Q second) {
101                this.second = second;
102        }
103        
104        /**
105         * Create a pair from the given objects.
106         * 
107         * @param <Q> Type of second object.
108         * @param t The first object.
109         * @param q The second object.
110         * @return The pair.
111         */
112        public static <Q> LongObjectPair<Q> pair(long t, Q q) {
113                return new LongObjectPair<Q>(t, q);
114        }
115
116        /**
117         * Extract the first objects from a list of pairs.
118         *
119         * @param <Q> type of second object
120         * @param data the data
121         * @return extracted first objects
122         */
123        public static <Q> TLongArrayList getFirst(Iterable<LongObjectPair<Q>> data) {
124                TLongArrayList extracted = new TLongArrayList();
125
126                for (LongObjectPair<Q> item : data)
127                        extracted.add(item.first);
128
129                return extracted;
130        }
131
132        /**
133         * Extract the second objects from a list of pairs.
134         * 
135         * @param <Q> type of second object
136         * @param data the data
137         * @return extracted second objects
138         */
139        public static <Q> List<Q> getSecond(Iterable<LongObjectPair<Q>> data) {
140                List<Q> extracted = new ArrayList<Q>();
141
142                for (LongObjectPair<Q> item : data)
143                        extracted.add(item.second);
144
145                return extracted;
146        }
147}