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Merge pull request #60 from TiagoRG/dev-tiagorg 

[LSD] pratica08 part1 added (unchanged)

[POO] slides added
[POO] guide for aula11 added
[POO] aula11 ex1 added
[POO] aula11 ex2 added
[POO] sum and media added to MathTools
[POO] aula11 ex3 added
[POO] simplifications to WordPairCounter
[POO] aula11 ex4 added
This commit is contained in:
Tiago Garcia 2023-05-09 17:21:58 +01:00 committed by GitHub
parent 1fc0267f2a 584582b08f
commit aa73d3c623
Signed by untrusted user who does not match committer: TiagoRG
GPG Key ID: DFCD48E3F420DB42
28 changed files with 1973 additions and 0 deletions
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28
1ano/2semestre/lsd/pratica08/Chronometer/Bin7SegDecoder.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
entity Bin7SegDecoder is
port(binInput : in std_logic_vector(3 downto 0);
decOut_n : out std_logic_vector(6 downto 0));
end Bin7SegDecoder;
architecture Behavioral of Bin7SegDecoder is
begin
with binInput select
decOut_n <= "1111001" when "0001", --1
"0100100" when "0010", --2
"0110000" when "0011", --3
"0011001" when "0100", --4
"0010010" when "0101", --5
"0000010" when "0110", --6
"1111000" when "0111", --7
"0000000" when "1000", --8
"0010000" when "1001", --9
"0001000" when "1010", --A
"0000011" when "1011", --b
"1000110" when "1100", --C
"0100001" when "1101", --d
"0000110" when "1110", --E
"0001110" when "1111", --F
"1000000" when others; --0
end Behavioral;

878
1ano/2semestre/lsd/pratica08/Chronometer/Chronometer.bdf Normal file
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/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2015 Altera Corporation. All rights reserved.
Your use of Altera Corporation's design tools, logic functions
and other software and tools, and its AMPP partner logic
functions, and any output files from any of the foregoing
(including device programming or simulation files), and any
associated documentation or information are expressly subject
to the terms and conditions of the Altera Program License
Subscription Agreement, the Altera Quartus Prime License Agreement,
the Altera MegaCore Function License Agreement, or other
applicable license agreement, including, without limitation,
that your use is for the sole purpose of programming logic
devices manufactured by Altera and sold by Altera or its
authorized distributors. Please refer to the applicable
agreement for further details.
*/
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(pt 1064 344)
(pt 1064 432)
(bus)
)
(connector
(text "RegOut[15..0]" (rect 1040 443 1054 550)(font "Arial" )(vertical))
(pt 1064 432)
(pt 1064 520)
(bus)
)
(connector
(pt 1064 520)
(pt 1064 544)
(bus)
)
(connector
(pt 1048 256)
(pt 1064 256)
(bus)
)
(connector
(text "REGOut[15..12]" (rect 1072 240 1187 254)(font "Arial" ))
(pt 1064 256)
(pt 1144 256)
(bus)
)
(connector
(pt 776 320)
(pt 824 320)
(bus)
)
(connector
(pt 792 256)
(pt 824 256)
)
(connector
(pt 792 256)
(pt 792 304)
)
(connector
(pt 792 304)
(pt 792 336)
)
(connector
(pt 128 272)
(pt 320 272)
)
(connector
(pt 176 432)
(pt 176 488)
(bus)
)
(connector
(pt 176 488)
(pt 176 568)
(bus)
)
(connector
(text "KEY[3]" (rect 184 416 233 430)(font "Arial" ))
(pt 176 432)
(pt 240 432)
)
(connector
(pt 288 432)
(pt 520 432)
)
(connector
(pt 304 416)
(pt 536 416)
)
(connector
(pt 536 336)
(pt 600 336)
)
(connector
(text "clk1MHz" (rect 474 256 531 270)(font "Arial" ))
(pt 464 272)
(pt 536 272)
)
(connector
(pt 536 272)
(pt 824 272)
)
(connector
(pt 536 272)
(pt 536 336)
)
(connector
(pt 480 368)
(pt 520 368)
)
(connector
(pt 536 336)
(pt 536 416)
)
(connector
(pt 536 416)
(pt 536 472)
)
(connector
(pt 536 472)
(pt 560 472)
)
(connector
(pt 520 488)
(pt 520 432)
)
(connector
(pt 520 488)
(pt 560 488)
)
(connector
(pt 520 368)
(pt 520 200)
)
(junction (pt 304 472))
(junction (pt 304 416))
(junction (pt 176 568))
(junction (pt 176 488))
(junction (pt 1064 344))
(junction (pt 1064 432))
(junction (pt 1064 520))
(junction (pt 1064 256))
(junction (pt 792 304))
(junction (pt 536 416))
(junction (pt 536 336))
(junction (pt 536 272))

41
1ano/2semestre/lsd/pratica08/Chronometer/ClkDividerN.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
entity ClkDividerN is
generic(divFactor : positive := 2);
port(clkIn : in std_logic;
clkOut : out std_logic);
end ClkDividerN;
architecture Behavioral of ClkDividerN is
subtype TCounter is natural range 0 to (divFactor - 1);
signal s_divCounter : TCounter;
begin
assert(divFactor >= 2);
count_proc : process(clkIn)
begin
if (rising_edge(clkIn)) then
if (s_divCounter >= divFactor - 1) then
s_divCounter <= 0;
else
s_divCounter <= s_divCounter + 1;
end if;
end if;
end process;
out_proc : process(clkIn)
begin
if (rising_edge(clkIn)) then
if (s_divCounter >= (divFactor / 2 - 1)) then
clkOut <= '1';
else
clkOut <= '0';
end if;
end if;
end process;
end Behavioral;

49
1ano/2semestre/lsd/pratica08/Chronometer/CntBCDUp4.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
entity CntBCDUp4 is
port(reset : in std_logic;
clk : in std_logic;
enable1 : in std_logic;
enable2 : in std_logic;
count : out std_logic_vector(15 downto 0));
end CntBCDUp4;
architecture Behavioral of CntBCDUp4 is
signal s_count : unsigned(15 downto 0);
begin
count_proc : process(clk)
begin
if (rising_edge(clk)) then
if (reset = '1') then
s_count <= (others => '0');
elsif ((enable1 = '1') and (enable2 = '1')) then
if (s_count(3 downto 0) = X"9") then
s_count(3 downto 0) <= X"0";
if (s_count(7 downto 4) = X"9") then
s_count(7 downto 4) <= X"0";
if (s_count(11 downto 8) = X"9") then
s_count(11 downto 8) <= X"0";
if (s_count(15 downto 12) = X"9") then
s_count(15 downto 12) <= X"0";
else
s_count(15 downto 12) <= s_count(15 downto 12) + 1;
end if;
else
s_count(11 downto 8) <= s_count(11 downto 8) + 1;
end if;
else
s_count(7 downto 4) <= s_count(7 downto 4) + 1;
end if;
else
s_count(3 downto 0) <= s_count(3 downto 0) + 1;
end if;
end if;
end if;
end process;
count <= std_logic_vector(s_count);
end Behavioral;

209
1ano/2semestre/lsd/pratica08/Chronometer/ControlUnit.smf Normal file
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@ -0,0 +1,209 @@
/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
Copyright (C) 1991-2015 Altera Corporation. All rights reserved.
Your use of Altera Corporation's design tools, logic functions
and other software and tools, and its AMPP partner logic
functions, and any output files from any of the foregoing
(including device programming or simulation files), and any
associated documentation or information are expressly subject
to the terms and conditions of the Altera Program License
Subscription Agreement, the Altera Quartus Prime License Agreement,
the Altera MegaCore Function License Agreement, or other
applicable license agreement, including, without limitation,
that your use is for the sole purpose of programming logic
devices manufactured by Altera and sold by Altera or its
authorized distributors. Please refer to the applicable
agreement for further details.
Generated by Quartus Prime Version 15.1.1 Build 189 12/02/2015 SJ Lite Edition
Created on Mon Apr 11 16:06:33 2016
*/
VERSION = "3.0";
HEADER
(
GENERAL{
RMODE = "S";
RA_LEVEL = "H";
HOPT = "VHDL";
}
SPORT{
NAME = "clk";
PTYPE = "CI";
REG = "N";
OUTS = "N";
}
SPORT{
NAME = "reset";
PTYPE = "RI";
REG = "N";
OUTS = "N";
}
SPORT{
NAME = "statop";
PTYPE = "OI";
REG = "N";
OUTS = "N";
}
SPORT{
NAME = "laprst";
PTYPE = "OI";
REG = "N";
OUTS = "N";
}
SPORT{
NAME = "cntRst";
PTYPE = "OU";
REG = "N";
OUTS = "C";
}
SPORT{
NAME = "cntEnb";
PTYPE = "OU";
REG = "N";
OUTS = "C";
}
SPORT{
NAME = "regEnb";
PTYPE = "OU";
REG = "N";
OUTS = "C";
}
STATE{
NAME = "CLEARED";
STYPE = "RE";
PT = (40,80);
OUTP = "cntRst";
OUT_VALUE = "1";
COND = "";
OUTP = "cntEnb";
OUT_VALUE = "1";
COND = "";
OUTP = "regEnb";
OUT_VALUE = "1";
COND = "";
}
STATE{
NAME = "STARTED";
STYPE = "NR";
PT = (200,80);
OUTP = "cntRst";
OUT_VALUE = "0";
COND = "";
OUTP = "cntEnb";
OUT_VALUE = "1";
COND = "";
OUTP = "regEnb";
OUT_VALUE = "1";
COND = "";
}
STATE{
NAME = "STOPPED";
STYPE = "NR";
PT = (360,80);
OUTP = "cntRst";
OUT_VALUE = "0";
COND = "";
OUTP = "cntEnb";
OUT_VALUE = "0";
COND = "";
OUTP = "regEnb";
OUT_VALUE = "1";
COND = "";
}
STATE{
NAME = "LAPVIEW";
STYPE = "NR";
PT = (520,80);
OUTP = "cntRst";
OUT_VALUE = "0";
COND = "";
OUTP = "cntEnb";
OUT_VALUE = "1";
COND = "";
OUTP = "regEnb";
OUT_VALUE = "0";
COND = "";
}
TRANS{
SSTATE = "CLEARED";
DSTATE = "STARTED";
EQ = "statop";
PT = (64,79);
PT = (64,39);
PT = (224,39);
PT = (224,79);
PT = (128,32);
}
TRANS{
SSTATE = "STARTED";
DSTATE = "LAPVIEW";
EQ = "laprst";
PT = (224,79);
PT = (224,-1);
PT = (544,-1);
PT = (544,79);
PT = (368,0);
}
TRANS{
SSTATE = "STARTED";
DSTATE = "STOPPED";
EQ = "(~laprst) & statop";
PT = (224,79);
PT = (224,39);
PT = (384,39);
PT = (384,79);
PT = (352,40);
}
TRANS{
SSTATE = "LAPVIEW";
DSTATE = "STARTED";
EQ = "laprst";
PT = (544,129);
PT = (544,209);
PT = (224,209);
PT = (224,129);
PT = (440,160);
}
TRANS{
SSTATE = "STOPPED";
DSTATE = "STARTED";
EQ = "statop";
PT = (384,129);
PT = (384,169);
PT = (224,169);
PT = (224,129);
PT = (288,136);
}
TRANS{
SSTATE = "STOPPED";
DSTATE = "CLEARED";
EQ = "(~statop) & laprst";
PT = (384,129);
PT = (384,209);
PT = (64,209);
PT = (64,129);
PT = (120,160);
}
)
END

81
1ano/2semestre/lsd/pratica08/Chronometer/ControlUnit.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
entity ControlUnit is
port(reset : in std_logic;
clk : in std_logic;
statop : in std_logic;
laprst : in std_logic;
cntRst : out std_logic;
cntEnb : out std_logic;
regEnb : out std_logic);
end ControlUnit;
architecture Behavioral of ControlUnit is
type TState is (CLEARED, STARTED, STOPPED, LAPVIEW);
signal s_currentState, s_nextState : TState;
begin
sync_proc : process(clk)
begin
if (rising_edge(clk)) then
if (reset = '1') then
s_currentState <= CLEARED;
else
s_currentState <= s_nextState;
end if;
end if;
end process;
comb_proc : process(s_currentState, statop, laprst)
begin
case (s_currentState) is
when CLEARED =>
cntRst <= '1';
cntEnb <= '1';
regEnb <= '1';
if (statop = '1') then
s_nextState <= STARTED;
else
s_nextState <= CLEARED;
end if;
when STARTED =>
cntRst <= '0';
cntEnb <= '1';
regEnb <= '1';
if (laprst = '1') then
s_nextState <= LAPVIEW;
elsif (statop = '1') then
s_nextState <= STOPPED;
else
s_nextState <= STARTED;
end if;
when STOPPED =>
cntRst <= '0';
cntEnb <= '0';
regEnb <= '1';
if (statop = '1') then
s_nextState <= STARTED;
elsif (laprst = '1') then
s_nextState <= CLEARED;
else
s_nextState <= STOPPED;
end if;
when LAPVIEW =>
cntRst <= '0';
cntEnb <= '1';
regEnb <= '0';
if (laprst = '1') then
s_nextState <= STARTED;
else
s_nextState <= LAPVIEW;
end if;
end case;
end process;
end Behavioral;

64
1ano/2semestre/lsd/pratica08/Chronometer/DebounceUnit.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
entity DebounceUnit is
generic(kHzClkFreq : positive := 50000;
mSecMinInWidth : positive := 100;
inPolarity : std_logic := '1';
outPolarity : std_logic := '1');
port(refClk : in std_logic;
dirtyIn : in std_logic;
pulsedOut : out std_logic);
end DebounceUnit;
architecture Behavioral of DebounceUnit is
constant MIN_IN_WIDTH_CYCLES : positive := mSecMinInWidth * kHzClkFreq;
subtype TCounter is natural range 0 to MIN_IN_WIDTH_CYCLES;
signal s_debounceCnt : TCounter := 0;
signal s_dirtyIn, s_previousIn, s_pulsedOut : std_logic;
begin
in_sync_proc : process(refClk)
begin
if (rising_edge(refClk)) then
if (inPolarity = '1') then
s_dirtyIn <= dirtyIn;
else
s_dirtyIn <= not dirtyIn;
end if;
s_previousIn <= s_dirtyIn;
end if;
end process;
count_proc : process(refClk)
begin
if (rising_edge(refClk)) then
if ((s_dirtyIn = '0') or
(s_debounceCnt > MIN_IN_WIDTH_CYCLES)) then
s_debounceCnt <= 0;
s_pulsedOut <= '0';
elsif (s_dirtyIn = '1') then
if (s_previousIn = '0') then
s_debounceCnt <= MIN_IN_WIDTH_CYCLES;
s_pulsedOut <= '0';
else
if (s_debounceCnt >= 1) then
s_debounceCnt <= s_debounceCnt - 1;
end if;
if (s_debounceCnt = 1) then
s_pulsedOut <= '1';
else
s_pulsedOut <= '0';
end if;
end if;
end if;
end if;
end process;
pulsedOut <= s_pulsedOut when (outPolarity = '1') else
not s_pulsedOut;
end Behavioral;

38
1ano/2semestre/lsd/pratica08/Chronometer/PulseGeneratorN.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
entity PulseGeneratorN is
generic(numberSteps : positive := 8;
out0CompVal : natural := 2;
out1CompVal : natural := 4);
port(clkIn : in std_logic;
pulseOut0 : out std_logic;
pulseOut1 : out std_logic);
end PulseGeneratorN;
architecture Behavioral of PulseGeneratorN is
subtype TCounter is natural range 0 to (numberSteps - 1);
signal s_counter : TCounter;
begin
count_proc : process(clkIn)
begin
if (rising_edge(clkIn)) then
if (s_counter >= (numberSteps - 1)) then
s_counter <= 0;
else
s_counter <= s_counter + 1;
end if;
end if;
end process;
pulseOut0 <= '1' when ((s_counter rem out0CompVal) = 0) else
'0';
pulseOut1 <= '1' when (s_counter < out1CompVal) else
'0';
end Behavioral;

30
1ano/2semestre/lsd/pratica08/Chronometer/RegN.vhd Normal file
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library IEEE;
use IEEE.STD_LOGIC_1164.all;
entity RegN is
generic(size : positive := 8);
port(asyncReset : in std_logic;
clk : in std_logic;
enable : in std_logic;
syncReset : in std_logic;
dataIn : in std_logic_vector((size - 1) downto 0);
dataOut : out std_logic_vector((size - 1) downto 0));
end RegN;
architecture Behavioral of RegN is
begin
reg_proc : process(asyncReset, clk)
begin
if (asyncReset = '1') then
dataOut <= (others => '0');
elsif (rising_edge(clk)) then
if (enable = '1') then
if (syncReset = '1') then
dataOut <= (others => '0');
else
dataOut <= dataIn;
end if;
end if;
end if;
end process;
end Behavioral;

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47
1ano/2semestre/poo/src/aula11/ex1/WordPairCounter.java Normal file
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package aula11.ex1;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
public class WordPairCounter {
public static void main(String[] args) {
TreeMap<String, HashMap<String, Integer>> wordPairs = new TreeMap<>() {
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
for (String word1 : this.keySet()) {
sb.append(word1).append("={");
for (String word2 : this.get(word1).keySet()) {
sb.append(word2).append("=").append(this.get(word1).get(word2)).append(", ");
}
sb.delete(sb.length()-2, sb.length()).append("}\n");
}
return sb.toString();
}
};
String text = "";
Path path = Paths.get((new Scanner(System.in)).nextLine());
try {
text = Files.readString(path);
} catch (IOException e) {
System.out.printf("Certifique-se que o ficheiro \"%s\" está na raiz da pasta do projeto", path);
System.exit(1);
}
Object[] words = Arrays.stream(text.split("[\\s.,:'‘’;?!\\-*{}=+&/()\\[\\]”“\"]+")).filter(word -> word.length() > 2).map(String::toLowerCase).toArray();
for (int i = 1; i < words.length-1; i++) {
String word1 = (String) words[i-1];
String word2 = (String) words[i];
HashMap<String, Integer> word1Pair = wordPairs.getOrDefault(word1, new HashMap<>());
wordPairs.put(word1, word1Pair);
word1Pair.put(word2, word1Pair.getOrDefault(word2, 0) + 1);
}
System.out.println(wordPairs);
}
}

57
1ano/2semestre/poo/src/aula11/ex2/Gradebook.java Normal file
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package aula11.ex2;
import utils.MathTools;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
public class Gradebook implements IGradeCalculator {
private final LinkedList<Student> students = new LinkedList<>();
public void load(String filename) {
LinkedList<String> lines = new LinkedList<>();
Path path = Paths.get(filename);
try {
lines = new LinkedList<>(Files.readAllLines(path));
} catch (IOException e) {
System.out.printf("Certifique-se que o ficheiro \"%s\" está na raiz da pasta do projeto", path);
System.exit(1);
}
for (String line : lines) {
String[] data = line.split("\\|");
String name = data[0];
LinkedList<Double> grades = new LinkedList<>(Arrays.stream(data).toList().subList(1, data.length).stream().map(Double::parseDouble).toList());
students.add(new Student(name, grades));
}
}
public void addStudent(Student newStudent) {
students.add(newStudent);
}
public void removeStudent(String name) {
students.removeIf(student -> student.getName().equals(name));
}
public Student getStudent(String name) {
return students.stream().filter(student -> student.getName().equals(name)).findFirst().orElse(null);
}
public double calculateAverageGrade(String name) {
return calculate(getStudent(name).getGrades());
}
@Override
public double calculate(LinkedList<Double> grades) {
return MathTools.media(grades);
}
public void printAllStudents() {
for (Student student : students)
System.out.printf("Nome: %s%nNota Final: %.2f%n%n", student.getName(), calculate(student.getGrades()));
}
}

32
1ano/2semestre/poo/src/aula11/ex2/GradebookTester.java Normal file
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package aula11.ex2;
import java.util.LinkedList;
import java.util.List;
public class GradebookTester {
public static void main(String[] args) {
// Create a new Gradebook instance
Gradebook gradebook = new Gradebook();
// Load the student data from a text file
gradebook.load("datafiles/aula11/ex2/alunos.txt");
// Add a new student to the collection
Student newStudent = new Student("Johny May", new LinkedList<>(List.of(10.0, 15.0, 19.0)));
gradebook.addStudent(newStudent);
// Remove a student from the collection
gradebook.removeStudent("Jane Smith");
// Retrieve a student from the collection
Student student = gradebook.getStudent("John Doe");
// Calculate the average grade for a specific student
double averageGrade = gradebook.calculateAverageGrade("John Doe");
System.out.println("Average grade for John Doe: " + averageGrade);
// Print a summary of all students in the collection
gradebook.printAllStudents();
}
}

7
1ano/2semestre/poo/src/aula11/ex2/IGradeCalculator.java Normal file
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package aula11.ex2;
import java.util.LinkedList;
public interface IGradeCalculator {
double calculate(LinkedList<Double> grades);
}

30
1ano/2semestre/poo/src/aula11/ex2/Student.java Normal file
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package aula11.ex2;
import java.util.LinkedList;
public class Student {
private String name;
private LinkedList<Double> grades;
public Student(String name, LinkedList<Double> grades) {
this.name = name;
this.grades = grades;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public LinkedList<Double> getGrades() {
return grades;
}
public void setGrades(LinkedList<Double> grades) {
this.grades = grades;
}
}

29
1ano/2semestre/poo/src/aula11/ex3/Customer.java Normal file
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package aula11.ex3;
import java.util.LinkedList;
public class Customer {
private int customerId;
private LinkedList<Double> meterReadings;
public Customer(int customerId, LinkedList<Double> meterReadings) {
this.customerId = customerId;
this.meterReadings = meterReadings;
}
public int getCustomerId() {
return customerId;
}
public void setCustomerId(int customerId) {
this.customerId = customerId;
}
public LinkedList<Double> getMeterReadings() {
return meterReadings;
}
public void setMeterReadings(LinkedList<Double> meterReadings) {
this.meterReadings = meterReadings;
}
}

60
1ano/2semestre/poo/src/aula11/ex3/EnergyUsageReport.java Normal file
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package aula11.ex3;
import utils.MathTools;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
public class EnergyUsageReport {
private final LinkedList<Customer> customers = new LinkedList<Customer>();
public void load(String file) {
LinkedList<String> lines = new LinkedList<>();
Path path = Paths.get(file);
try {
lines = new LinkedList<>(Files.readAllLines(path));
} catch (IOException e) {
System.out.printf("Certifique-se que o ficheiro \"%s\" está na raiz da pasta do projeto", path);
System.exit(1);
}
for (String line : lines) {
String[] data = line.split("\\|");
int customerId = Integer.parseInt(data[0]);
LinkedList<Double> meterReadings = new LinkedList<>(Arrays.stream(data).toList().subList(1, data.length).stream().map(Double::parseDouble).toList());
customers.add(new Customer(customerId, meterReadings));
}
}
public void addCustomer(Customer newCustomer) {
customers.add(newCustomer);
}
public void removeCustomer(int id) {
customers.removeIf(customer -> customer.getCustomerId() == id);
}
public Customer getCustomer(int id) {
return customers.stream().filter(customer -> customer.getCustomerId() == id).findFirst().orElse(null);
}
public double calculateTotalUsage(int id) {
return MathTools.sum(getCustomer(id).getMeterReadings());
}
public void generateReport(String path) {
for (Customer customer : customers) {
try {
Files.writeString(Path.of(path), String.format("Customer ID: %d%nTotal usage: %.1f%n%n", customer.getCustomerId(), calculateTotalUsage(customer.getCustomerId())), (new File(path)).exists() ? java.nio.file.StandardOpenOption.APPEND : java.nio.file.StandardOpenOption.CREATE);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
}

34
1ano/2semestre/poo/src/aula11/ex3/EnergyUsageReportTester.java Normal file
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@ -0,0 +1,34 @@
package aula11.ex3;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
public class EnergyUsageReportTester {
public static void main(String[] args) throws IOException {
// Create an instance of the EnergyUsageReport class
EnergyUsageReport energyReport = new EnergyUsageReport();
// Load the customer data from a text file using the load() method
energyReport.load("datafiles/aula11/ex3/clients.txt");
// Add one or more customers to the collection using the addCustomer() method
Customer newCustomer = new Customer(999, new LinkedList<>(List.of(1500.0, 2000.0, 2500.0, 3000.0)));
energyReport.addCustomer(newCustomer);
// Remove one or more customers from the collection using the removeCustomer() method
energyReport.removeCustomer(1015);
// Retrieve a customer from the collection using the getCustomer() method
Customer retrievedCustomer = energyReport.getCustomer(1025);
// Calculate the total energy usage for a specific customer using the calculateTotalUsage() method
double totalEnergyUsage = energyReport.calculateTotalUsage(1003);
System.out.println("Total energy usage for customer 1003: " + totalEnergyUsage);
// Generate a report of all customers and their total energy usage using the generateReport() method
energyReport.generateReport("datafiles/aula11/ex3/energy_report.txt");
}
}

19
1ano/2semestre/poo/src/aula11/ex4/Company.java Normal file
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@ -0,0 +1,19 @@
package aula11.ex4;
import java.util.LinkedList;
import java.util.Objects;
public record Company(String code, String name, LinkedList<Flight> flights) {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Company company)) return false;
return Objects.equals(code, company.code) && Objects.equals(name, company.name) && Objects.equals(flights, company.flights);
}
@Override
public int hashCode() {
return Objects.hash(code, name, flights);
}
}

17
1ano/2semestre/poo/src/aula11/ex4/Flight.java Normal file
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@ -0,0 +1,17 @@
package aula11.ex4;
import java.util.Objects;
public record Flight(String code, String origin, Time departure, Time delay, Company company) {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Flight flight)) return false;
return Objects.equals(code, flight.code) && Objects.equals(origin, flight.origin) && Objects.equals(departure, flight.departure) && Objects.equals(delay, flight.delay);
}
@Override
public int hashCode() {
return Objects.hash(code, origin, departure, delay);
}
}

138
1ano/2semestre/poo/src/aula11/ex4/FlightManager.java Normal file
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@ -0,0 +1,138 @@
package aula11.ex4;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.*;
import java.io.*;
import java.util.stream.Collectors;
public class FlightManager {
private final LinkedList<Company> companies = new LinkedList<>();
private final LinkedList<Flight> flights = new LinkedList<>();
private String table;
private String delaysTable;
private String flightsNTable;
public void loadCompanies(String filename) {
Scanner input;
try {
input = new Scanner(new FileReader(filename));
input.nextLine();
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
}
while(input.hasNext()){
String line = input.nextLine();
String[] fields = line.split("\t");
if(fields.length != 2)
throw new RuntimeException("Invalid file format");
this.companies.add(new Company(fields[0], fields[1], new LinkedList<>()));
}
}
public void loadFlights(String filename) {
Scanner input;
try {
input = new Scanner(new FileReader(filename));
input.nextLine();
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
}
while (input.hasNext()) {
String line = input.nextLine();
String[] fields = line.split("\t");
if (fields.length != 3 && fields.length != 4)
throw new RuntimeException("Invalid file format");
String[] timeStr = fields[0].split(":");
Time time = new Time(Integer.parseInt(timeStr[0]), Integer.parseInt(timeStr[1]));
String code = fields[1];
Company company = this.companies.stream().filter(c -> c.code().equals(code.substring(0, 2))).findFirst().orElse(null);
String origin = fields[2];
String[] delayStr;
try {
delayStr = fields[3].split(":");
} catch (IndexOutOfBoundsException e) {
delayStr = new String[]{"0", "0"};
}
Time delay = new Time(Integer.parseInt(delayStr[0]), Integer.parseInt(delayStr[1]));
Flight flight = new Flight(code, origin, time, delay, company);
this.flights.add(flight);
Objects.requireNonNull(company).flights().add(flight);
}
}
public void buildTable() {
StringBuilder table = new StringBuilder().append("Depart. Flight Company Origin Delay Obs\n");
for (Flight flight : flights)
table.append(String.format("%-10s%-10s%-25s%-25s%-8s%s%n", flight.departure(), flight.code(), flight.company().name(), flight.origin(), flight.delay(), flight.delay().isZero() ? "" : "New departure: " + flight.departure().addTime(flight.delay())));
this.table = table.toString();
}
public String getTable() {
return table;
}
public void buildDelaysTable() {
StringBuilder table = new StringBuilder().append("Company Avg. Delay\n");
LinkedHashMap<String, Integer> delays = new LinkedHashMap<>();
for (Company company : companies) {
Time totalTime = new Time(0, 0);
int nDelays = 0;
for (Flight flight : company.flights()) {
if (!flight.delay().isZero()) {
totalTime.addTime(flight.delay());
nDelays++;
}
}
if (nDelays > 0)
delays.put(company.name(), Time.timeToMinsInt(totalTime) / nDelays);
}
delays = (LinkedHashMap<String, Integer>) sortByValue(delays);
for (String compName : delays.keySet())
table.append(String.format("%-25s%s%n", compName, Time.minsIntToTime(delays.get(compName))));
this.delaysTable = table.toString();
}
public String getDelaysTable() {
return delaysTable;
}
public void buildFlightsNTable() {
StringBuilder table = new StringBuilder().append("Origin n Flights\n");
LinkedHashMap<String, Integer> flightsFromOrigin = new LinkedHashMap<>();
for (Flight flight : flights)
flightsFromOrigin.put(flight.origin(), flightsFromOrigin.getOrDefault(flight.origin(), 0) + 1);
flightsFromOrigin = (LinkedHashMap<String, Integer>) sortByValue(flightsFromOrigin);
for (String origin : flightsFromOrigin.keySet())
table.append(String.format("%-25s%s%n", origin, flightsFromOrigin.get(origin)));
this.flightsNTable = table.toString();
}
public String getFlightsNTable() {
return flightsNTable;
}
public void storeTable(String filename) {
Path path = Path.of(filename);
try {
Files.writeString(path, getTable());
} catch (IOException e) {
try {
Files.createFile(path);
storeTable(filename);
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
}
private static Map<String, Integer> sortByValue(Map<String, Integer> unsortMap) {
List<Map.Entry<String, Integer>> list = new LinkedList<>(unsortMap.entrySet());
// Sorting the list based on values
list.sort((o1, o2) -> o2.getValue().compareTo(o1.getValue()) == 0
? o2.getKey().compareTo(o1.getKey())
: o2.getValue().compareTo(o1.getValue()));
return list.stream().collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (a, b) -> b, LinkedHashMap::new));
}
}

21
1ano/2semestre/poo/src/aula11/ex4/Main.java Normal file
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@ -0,0 +1,21 @@
package aula11.ex4;
public class Main {
public static void main(String[] args) {
FlightManager fm = new FlightManager();
fm.loadCompanies("datafiles/aula11/ex4/companhias.txt");
fm.loadFlights("datafiles/aula11/ex4/voos.txt");
fm.buildTable();
System.out.println(fm.getTable());
fm.buildDelaysTable();
System.out.println(fm.getDelaysTable());
fm.buildFlightsNTable();
System.out.println(fm.getFlightsNTable());
fm.storeTable("datafiles/aula11/ex4/Infopublico.txt");
}
}

52
1ano/2semestre/poo/src/aula11/ex4/Time.java Normal file
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@ -0,0 +1,52 @@
package aula11.ex4;
public class Time {
private int hour;
private int minute;
public Time(int hour, int minute) {
if (hour < 0 || hour > 23 || minute < 0 || minute > 59)
throw new IllegalArgumentException("Invalid time");
this.hour = hour;
this.minute = minute;
}
public Time addTime(Time time) {
int newHour = hour + time.hour();
int newMinute = minute + time.minute();
if (newMinute >= 60) {
newHour++;
newMinute -= 60;
}
if (newHour >= 24)
newHour -= 24;
this.hour = newHour;
this.minute = newMinute;
return new Time(newHour, newMinute);
}
public boolean isZero() {
return hour == 0 && minute == 0;
}
@Override
public String toString() {
return String.format("%02d:%02d", hour, minute);
}
public static int timeToMinsInt(Time time) {
return time.hour() * 60 + time.minute();
}
public static Time minsIntToTime(int mins) {
return new Time(mins/60, mins%60);
}
public int hour() {
return hour;
}
public int minute() {
return minute;
}
}

12
1ano/2semestre/poo/src/utils/MathTools.java
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@ -1,5 +1,6 @@
package utils; package utils;
import java.util.List;
import java.util.Random; import java.util.Random;
public class MathTools { public class MathTools {
@ -20,4 +21,15 @@ public class MathTools {
return false; return false;
return true; return true;
} }
public static double sum(List<Double> list) {
double sum = 0;
for (double n : list)
sum += n;
return sum;
}
public static double media(List<Double> list) {
return sum(list) / list.size();
}
} }