Shivam Patel hace 6 años
padre
commit
07999b0647

+ 14
- 0
src/main/java/org/zipcoder/store/Cart.java Ver fichero

@@ -12,4 +12,18 @@ public class Cart {
12 12
     public long getId(){
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         return this.id;
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     }
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+
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+    @Override
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+    public boolean equals(Object o) {
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+        if (this == o) return true;
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+        if (o == null || getClass() != o.getClass()) return false;
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+        Cart cart = (Cart) o;
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+        return id == cart.id;
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+    }
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+
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+    @Override
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+    public int hashCode() {
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+
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+        return Objects.hash(id);
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+    }
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 }

+ 35
- 6
src/main/java/org/zipcoder/store/ListMap.java Ver fichero

@@ -1,7 +1,6 @@
1 1
 package org.zipcoder.store;
2 2
 
3
-import java.util.ArrayList;
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-import java.util.List;
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+import java.util.*;
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 public class ListMap implements MyMap {
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     // instance field that is intialize to an ArrayList
@@ -9,40 +8,70 @@ public class ListMap implements MyMap {
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     @Override
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     public int size() {
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-        return -1;
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+        return entries.size();
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     }
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     @Override
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     public boolean isEmptry() {
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-        return false;
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+        if(size() == 0){
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+            return true;}
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+        else{
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+            return false;}
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     }
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     @Override
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     public Cart get(User key) {
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         // find the cart associate with the key
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+        for (Entry e: entries) {
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+            if(e.getKey().equals(key)){
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+
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+                return e.getValue();
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+            }
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+
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+        }
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         return null;
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     }
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     @Override
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     public void put(User key, Cart value) {
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         // add the key, value entry to the entries list
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+        if(get(key) == null) entries.add(new Entry(key, value));
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+        else {
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+            for (Entry e : entries) {
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+                if (e.getKey().equals(key)) {
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+                    entries.remove(e);
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+                    e.setValue(value);
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+                    entries.add(e);
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+                }
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+            }
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+        }
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     }
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31 50
 
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     @Override
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     public List<User> getKeys() {
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         // get all the keys in the map
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-        return null;
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+        List<User> u = new ArrayList<>();
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+        for(Entry e: entries){
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+            u.add(e.getKey());
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+        }
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+        return u;
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     }
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     @Override
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     public List<Cart> getValues() {
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         // get all the values in the map
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-        return null;
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+        List<Cart> c = new ArrayList<>();
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+        for(Entry e : entries){
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+            c.add(e.getValue());
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+
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+        }
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+        return c;
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     }
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     @Override
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     public Cart remove(User key) {
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+
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         return null;
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     }
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 }

+ 38
- 6
src/main/java/org/zipcoder/store/MyHashMap.java Ver fichero

@@ -19,32 +19,64 @@ public class MyHashMap implements MyMap{
19 19
 
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     @Override
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     public int size() {
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-        return -1;
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+        int size = 0;
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+        for(List<Entry> lst: entries){
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+            size+= lst.size();
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+
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+        }
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+        return size;
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     }
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     @Override
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     public boolean isEmptry() {
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-        return false;
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+        if(size() == 0){
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+            return true;
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+        }
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+        else{
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+            return false;
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+        }
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     }
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     @Override
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     public Cart get(User key) {
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-        return null;
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+        Cart c = null;
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+        List<Entry> entryList = entries[bucketIndex(key)];
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+        for(Entry e: entryList){
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+            if(e.getKey().equals(key)){
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+               c = e.getValue();
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+            }
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+
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+        }
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+        return c;
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     }
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     @Override
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     public void put(User key, Cart value) {
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-
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+        entries[bucketIndex(key)].add(new Entry(key,value));
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     }
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     @Override
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     public List<User> getKeys() {
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-        return null;
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+        List<User> u = new ArrayList<>();
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+
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+        for(List<Entry> entryList : entries){
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+            for(Entry e : entryList){
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+                u.add(e.getKey());
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+            }
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+
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+        }
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+        return u;
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     }
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     @Override
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     public List<Cart> getValues() {
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-        return null;
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+        List<Cart> c = new ArrayList<>();
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+        for(List<Entry> entryList : entries){
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+            for(Entry e : entryList){
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+                c.add(e.getValue());
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+            }
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+        }
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+        return c;
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     }
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     @Override

+ 20
- 0
src/main/java/org/zipcoder/store/User.java Ver fichero

@@ -37,4 +37,24 @@ public class User {
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     public void setName(String name) {
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         this.name = name;
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     }
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+
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+
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+    public boolean equals(Object obj) {
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+        boolean equals = false;
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+        User u = (User) obj;
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+        if((this.getId() == u.getId()) && (this.getName() == u.getName())){
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+            equals = true;
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+
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+        }
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+        return equals;
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+    }
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+
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+    public int hashCode(){
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+        if(getName()== null){
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+            return (int) id;
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+        }
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+        else{
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+            return (int) id + getName().hashCode();
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+        }
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+    }
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 }

+ 20
- 20
src/test/java/org/zipcoder/store/ListMapTest.java Ver fichero

@@ -174,26 +174,26 @@ public class ListMapTest {
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         Assert.assertTrue(values.contains(cart2));
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     }
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177
-//    I commented this out because it takes a long time to run. Uncomment it when implement your put method, uncomment this test
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-//    @Test
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-//    public void testPutAndGet_WithManyItems(){
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-//        // Given
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-//        int numberOfEntries = 70000;
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-//
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-//        for (int i = 0; i < numberOfEntries; i++) {
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-//            myMap.put(new User(i), new Cart(i));
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-//        }
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-//
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-//
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-//        for (int i = 0; i < numberOfEntries; i++) {
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-//            // When
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-//            Cart actualCart = myMap.get(new User(i));
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-//            Cart expectedCart = new Cart(i);
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-//
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-//            // Then
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-//            Assert.assertEquals(actualCart, expectedCart);
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-//        }
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-//    }
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+   // I commented this out because it takes a long time to run. Uncomment it when implement your put method, uncomment this test
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+    @Test
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+    public void testPutAndGet_WithManyItems(){
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+        // Given
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+        int numberOfEntries = 70000;
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+
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+        for (int i = 0; i < numberOfEntries; i++) {
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+            myMap.put(new User(i), new Cart(i));
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+        }
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+
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+
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+        for (int i = 0; i < numberOfEntries; i++) {
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+            // When
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+            Cart actualCart = myMap.get(new User(i));
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+            Cart expectedCart = new Cart(i);
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+
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+            // Then
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+            Assert.assertEquals(actualCart, expectedCart);
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+        }
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+    }
197 197
 
198 198
 //    BONUS
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 //    @Test

+ 19
- 19
src/test/java/org/zipcoder/store/MyHashMapTest.java Ver fichero

@@ -175,25 +175,25 @@ public class MyHashMapTest {
175 175
     }
176 176
 
177 177
 //    I commented this out because it takes a long time to run. Uncomment it when implement your put method, uncomment this test
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-//    @Test
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-//    public void testPutAndGet_WithManyItems(){
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-//        // Given
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-//        int numberOfEntries = 70000;
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-//
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-//        for (int i = 0; i < numberOfEntries; i++) {
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-//            myMap.put(new User(i), new Cart(i));
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-//        }
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-//
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-//
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-//        for (int i = 0; i < numberOfEntries; i++) {
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-//            // When
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-//            Cart actualCart = myMap.get(new User(i));
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-//            Cart expectedCart = new Cart(i);
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-//
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-//            // Then
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-//            Assert.assertEquals(actualCart, expectedCart);
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-//        }
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-//    }
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+    @Test
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+    public void testPutAndGet_WithManyItems(){
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+        // Given
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+        int numberOfEntries = 70000;
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+
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+        for (int i = 0; i < numberOfEntries; i++) {
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+            myMap.put(new User(i), new Cart(i));
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+        }
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+
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+
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+        for (int i = 0; i < numberOfEntries; i++) {
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+            // When
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+            Cart actualCart = myMap.get(new User(i));
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+            Cart expectedCart = new Cart(i);
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+
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+            // Then
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+            Assert.assertEquals(actualCart, expectedCart);
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+        }
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+    }
197 197
 
198 198
 //    @Test
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 //    public void testRemove(){