Make MultiMap use generics where sensible

I wonder why I orginally did not do it that way…
This commit is contained in:
Florian Schmaus 2019-06-10 21:43:38 +02:00
parent ce70308099
commit e911874e72
1 changed files with 6 additions and 6 deletions

View File

@ -77,11 +77,11 @@ public class MultiMap<K, V> {
return map.isEmpty();
}
public boolean containsKey(Object key) {
public boolean containsKey(K key) {
return map.containsKey(key);
}
public boolean containsValue(Object value) {
public boolean containsValue(V value) {
for (List<V> list : map.values()) {
if (list.contains(value)) {
return true;
@ -96,7 +96,7 @@ public class MultiMap<K, V> {
* @param key
* @return the first value or null.
*/
public V getFirst(Object key) {
public V getFirst(K key) {
List<V> res = getAll(key);
if (res.isEmpty()) {
return null;
@ -114,7 +114,7 @@ public class MultiMap<K, V> {
* @param key
* @return all values for the given key.
*/
public List<V> getAll(Object key) {
public List<V> getAll(K key) {
List<V> res = map.get(key);
if (res == null) {
res = Collections.emptyList();
@ -143,7 +143,7 @@ public class MultiMap<K, V> {
* @param key
* @return the first value of the given key or null.
*/
public V remove(Object key) {
public V remove(K key) {
List<V> res = map.remove(key);
if (res == null) {
return null;
@ -162,7 +162,7 @@ public class MultiMap<K, V> {
* @param value
* @return true if the mapping was removed, false otherwise.
*/
public boolean removeOne(Object key, V value) {
public boolean removeOne(K key, V value) {
List<V> list = map.get(key);
if (list == null) {
return false;