Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /*--------------------------- Package Declaration ----------------------------*/ package com.github.jessemull.microflexbigdecimal.plate; /*------------------------------- Dependencies -------------------------------*/ import java.util.Arrays; import java.util.Collection; import java.util.Iterator; import java.util.Set; import java.util.TreeSet; import org.apache.commons.lang3.builder.HashCodeBuilder; import com.github.jessemull.microflexbigdecimal.plate.Well; import com.github.jessemull.microflexbigdecimal.plate.WellSet; /** * Internal data structure to hold lists of well indices for well sets or plates. * The list of well indices prevents redundant data storage for the wells * within a well set or plate object. * * @author Jesse L. Mull * @update Updated Oct 18, 2016 * @address http://www.jessemull.com * @email hello@jessemull.com */ public class WellList implements Iterable<WellIndex>, Comparable<WellList> { /*---------------------------- Private Fields ----------------------------*/ /* Well list name */ private String label; /* Well list indices */ private TreeSet<WellIndex> indices = new TreeSet<WellIndex>(); /*----------------------------- Constructors -----------------------------*/ /** * Creates a new well list object; */ public WellList() { } /** * Creates a new well list object with the label. * @param label */ public WellList(String label) { this.label = label; } /** * Creates a new well list from a collection of indices. * @param Collection<WellIndex> collection of well indices */ public WellList(Collection<WellIndex> collection) { for (WellIndex index : collection) { this.add(index); } } /** * Creates a new well list from a collection of indices and a label. * @param Collection<WellIndex> collection of well indices * @param String the list label */ public WellList(Collection<WellIndex> collection, String label) { this(collection); this.label = label; } /** * Creates a new well list from an array. * @param WellIndex[] array of well indices */ public WellList(WellIndex[] array) { for (WellIndex index : array) { this.add(index); } } /** * Creates a new well list from an array of indices and a label. * @param WellIndex[] array of well indices * @param String the list label */ public WellList(WellIndex[] array, String label) { this(array); this.label = label; } /** * Creates a new well list from an existing well list. * @param WellList the well list */ public WellList(WellList list) { for (WellIndex index : list) { this.add(new WellIndex(index.row(), index.column())); } this.label = list.label(); } /*------------------------------- Methods --------------------------------*/ /** * Adds a well index. * @param WellIndex the well index */ public void add(WellIndex index) { this.indices.add(index); } /** * Removes a well index. * @param WellIndex the well index */ public void remove(WellIndex index) { this.indices.remove(index); } /** * Sets the list name. * @param String list name */ public void setLabel(String label) { this.label = label; } /** * Returns the list of indices. * @return the list of indices */ public Set<WellIndex> indices() { return this.indices; } /** * Returns the list name. * @return the list name */ public String label() { return this.label; } /** * Returns the size of the list. * @return list size */ public int size() { return this.indices.size(); } /** * Returns a well index iterator. * @return Iterator<WellIndex> iterator() */ public Iterator<WellIndex> iterator() { return this.indices.iterator(); } /** * Returns true if the well set contains the same wells. * @param WellSet the well set * @return true if the set and list have equivalent well indices */ public boolean equalsSet(WellSet set) { if (set.size() != this.size()) { return false; } for (Well well : set) { WellIndex index = new WellIndex(well.row(), well.column()); if (!this.indices.contains(index)) { return false; } } return true; } /** * Return a string containing the label and indices. * @return string holding label and indices */ public String toString() { return this.label() + " " + Arrays.toString(this.indices.toArray()).toString(); } /** * Lists are equivalent if they contain the same wells. * @param Object the object * @return true if equal, false otherwise */ public boolean equals(Object object) { if (object instanceof WellList == false) { return false; } if (this == object) { return true; } WellList list = (WellList) object; if (this.size() != list.size()) { return false; } for (WellIndex index : list) { if (!this.indices.contains(index)) { return false; } } return true; } /** * Hash code uses the label and the indices in the list. * @return the hash code */ public int hashCode() { return new HashCodeBuilder(17, 37).append(this.indices).append(this.label).toHashCode(); } /** * Plates are ordered using the size, data type, label and number of sets. * @param PlateInteger the plate for comparison * @return this == plate --> 0 * this > plate --> 1 * this < plate --> -1 */ public int compareTo(WellList list) throws ClassCastException { if (this.equals(list)) { return 0; } if (this.indices.size() != list.size()) { return this.indices.size() > list.size() ? 1 : -1; } Iterator<WellIndex> iter1 = this.indices.descendingIterator(); Iterator<WellIndex> iter2 = new TreeSet<WellIndex>(list.indices()).descendingIterator(); while (iter1.hasNext()) { WellIndex index1 = iter1.next(); WellIndex index2 = iter2.next(); if (index1.row() != index2.row()) { return index1.row() > index2.row() ? 1 : -1; } if (index1.column() != index2.column()) { return index1.column() > index2.column() ? 1 : -1; } } return 0; } }