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#984 for unitofwork, tolerantreader, twin (#1044)

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* #984 for unitofwork, tolerantreader, twin

* #984 for unitofwork, tolerantreader, twin

* #987 for visitor, value-object, unitofwork, typeobjectpattern, tolerantreader, twin, tranpoline
This commit is contained in:
Anurag870 2019-10-26 21:28:56 +05:30 committed by Ilkka Seppälä
parent c7fee7bb07
commit fadad43f8b
4 changed files with 32 additions and 28 deletions
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12
tolerant-reader/src/main/java/com/iluwatar/tolerantreader/App.java
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@ -52,24 +52,24 @@ public class App {
*/
public static void main(String[] args) throws IOException, ClassNotFoundException {
// Write V1
RainbowFish fishV1 = new RainbowFish("Zed", 10, 11, 12);
var fishV1 = new RainbowFish("Zed", 10, 11, 12);
LOGGER.info("fishV1 name={} age={} length={} weight={}", fishV1.getName(),
fishV1.getAge(), fishV1.getLengthMeters(), fishV1.getWeightTons());
RainbowFishSerializer.writeV1(fishV1, "fish1.out");
// Read V1
RainbowFish deserializedFishV1 = RainbowFishSerializer.readV1("fish1.out");
var deserializedRainbowFishV1 = RainbowFishSerializer.readV1("fish1.out");
LOGGER.info("deserializedFishV1 name={} age={} length={} weight={}",
deserializedFishV1.getName(), deserializedFishV1.getAge(),
deserializedFishV1.getLengthMeters(), deserializedFishV1.getWeightTons());
deserializedRainbowFishV1.getName(), deserializedRainbowFishV1.getAge(),
deserializedRainbowFishV1.getLengthMeters(), deserializedRainbowFishV1.getWeightTons());
// Write V2
RainbowFishV2 fishV2 = new RainbowFishV2("Scar", 5, 12, 15, true, true, true);
var fishV2 = new RainbowFishV2("Scar", 5, 12, 15, true, true, true);
LOGGER.info(
"fishV2 name={} age={} length={} weight={} sleeping={} hungry={} angry={}",
fishV2.getName(), fishV2.getAge(), fishV2.getLengthMeters(), fishV2.getWeightTons(),
fishV2.getHungry(), fishV2.getAngry(), fishV2.getSleeping());
RainbowFishSerializer.writeV2(fishV2, "fish2.out");
// Read V2 with V1 method
RainbowFish deserializedFishV2 = RainbowFishSerializer.readV1("fish2.out");
var deserializedFishV2 = RainbowFishSerializer.readV1("fish2.out");
LOGGER.info("deserializedFishV2 name={} age={} length={} weight={}",
deserializedFishV2.getName(), deserializedFishV2.getAge(),
deserializedFishV2.getLengthMeters(), deserializedFishV2.getWeightTons());

42
tolerant-reader/src/main/java/com/iluwatar/tolerantreader/RainbowFishSerializer.java
View File

@ -48,13 +48,15 @@ public final class RainbowFishSerializer {
* Write V1 RainbowFish to file
*/
public static void writeV1(RainbowFish rainbowFish, String filename) throws IOException {
Map<String, String> map = new HashMap<>();
map.put("name", rainbowFish.getName());
map.put("age", String.format("%d", rainbowFish.getAge()));
map.put("lengthMeters", String.format("%d", rainbowFish.getLengthMeters()));
map.put("weightTons", String.format("%d", rainbowFish.getWeightTons()));
try (FileOutputStream fileOut = new FileOutputStream(filename);
ObjectOutputStream objOut = new ObjectOutputStream(fileOut)) {
var map = Map.of(
"name", rainbowFish.getName(),
"age", String.format("%d", rainbowFish.getAge()),
"lengthMeters", String.format("%d", rainbowFish.getLengthMeters()),
"weightTons", String.format("%d", rainbowFish.getWeightTons())
);
try (var fileOut = new FileOutputStream(filename);
var objOut = new ObjectOutputStream(fileOut)) {
objOut.writeObject(map);
}
}
@ -63,16 +65,18 @@ public final class RainbowFishSerializer {
* Write V2 RainbowFish to file
*/
public static void writeV2(RainbowFishV2 rainbowFish, String filename) throws IOException {
Map<String, String> map = new HashMap<>();
map.put("name", rainbowFish.getName());
map.put("age", String.format("%d", rainbowFish.getAge()));
map.put("lengthMeters", String.format("%d", rainbowFish.getLengthMeters()));
map.put("weightTons", String.format("%d", rainbowFish.getWeightTons()));
map.put("angry", Boolean.toString(rainbowFish.getAngry()));
map.put("hungry", Boolean.toString(rainbowFish.getHungry()));
map.put("sleeping", Boolean.toString(rainbowFish.getSleeping()));
try (FileOutputStream fileOut = new FileOutputStream(filename);
ObjectOutputStream objOut = new ObjectOutputStream(fileOut)) {
var map = Map.of(
"name", rainbowFish.getName(),
"age", String.format("%d", rainbowFish.getAge()),
"lengthMeters", String.format("%d", rainbowFish.getLengthMeters()),
"weightTons", String.format("%d", rainbowFish.getWeightTons()),
"angry", Boolean.toString(rainbowFish.getAngry()),
"hungry", Boolean.toString(rainbowFish.getHungry()),
"sleeping", Boolean.toString(rainbowFish.getSleeping())
);
try (var fileOut = new FileOutputStream(filename);
var objOut = new ObjectOutputStream(fileOut)) {
objOut.writeObject(map);
}
}
@ -83,8 +87,8 @@ public final class RainbowFishSerializer {
public static RainbowFish readV1(String filename) throws IOException, ClassNotFoundException {
Map<String, String> map = null;
try (FileInputStream fileIn = new FileInputStream(filename);
ObjectInputStream objIn = new ObjectInputStream(fileIn)) {
try (var fileIn = new FileInputStream(filename);
var objIn = new ObjectInputStream(fileIn)) {
map = (Map<String, String>) objIn.readObject();
}

4
twin/src/main/java/com/iluwatar/twin/App.java
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@ -41,8 +41,8 @@ public class App {
*/
public static void main(String[] args) throws Exception {
BallItem ballItem = new BallItem();
BallThread ballThread = new BallThread();
var ballItem = new BallItem();
var ballThread = new BallThread();
ballItem.setTwin(ballThread);
ballThread.setTwin(ballItem);

2
unit-of-work/src/main/java/com/iluwatar/unitofwork/App.java
View File

@ -39,7 +39,7 @@ public class App {
var shyam = new Student(2, "Shyam", "Z bridge, Pune");
var gopi = new Student(3, "Gopi", "Street 10, Mumbai");
HashMap<String, List<Student>> context = new HashMap<>();
var context = new HashMap<String, List<Student>>();
var studentDatabase = new StudentDatabase();
var studentRepository = new StudentRepository(context, studentDatabase);