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"Fix" Map.containsKey() and Map.containsValue()

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java.util.Map.containsKey() and java.util.Map.containsValue() take
Object parameters, not K and V.  Changed to improve classpath
compatibility.
This commit is contained in:
Eric Scharff 2009-04-17 08:57:49 -06:00
parent d11195165f
commit af784f4cbc
6 changed files with 14 additions and 14 deletions
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4
classpath/java/util/Collections.java
View File

@ -143,10 +143,10 @@ public class Collections {
public void clear() {
synchronized (lock) { map.clear(); }
}
public boolean containsKey(K key) {
public boolean containsKey(Object key) {
synchronized (lock) { return map.containsKey(key); }
}
public boolean containsValue(V value) {
public boolean containsValue(Object value) {
synchronized (lock) { return map.containsValue(value); }
}
public Set<java.util.Map.Entry<K, V>> entrySet() {

8
classpath/java/util/HashMap.java
View File

@ -158,12 +158,12 @@ public class HashMap<K, V> implements Map<K, V> {
return c;
}
public boolean containsKey(K key) {
return find(key) != null;
public boolean containsKey(Object key) {
return find((K)key) != null;
}
public boolean containsValue(V value) {
return values().contains(value);
public boolean containsValue(Object value) {
return values().contains((V)value);
}
public V get(K key) {

4
classpath/java/util/Hashtable.java
View File

@ -40,11 +40,11 @@ public class Hashtable<K, V> implements Map<K, V> {
return map.size();
}
public synchronized boolean containsKey(K key) {
public synchronized boolean containsKey(Object key) {
return map.containsKey(key);
}
public synchronized boolean containsValue(V value) {
public synchronized boolean containsValue(Object value) {
return map.containsValue(value);
}

4
classpath/java/util/IdentityHashMap.java
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@ -29,11 +29,11 @@ public class IdentityHashMap<K, V> implements Map<K, V> {
return map.size();
}
public boolean containsKey(K key) {
public boolean containsKey(Object key) {
return map.containsKey(key);
}
public boolean containsValue(V value) {
public boolean containsValue(Object value) {
return map.containsValue(value);
}

4
classpath/java/util/Map.java
View File

@ -15,9 +15,9 @@ public interface Map<K, V> {
public int size();
public boolean containsKey(K key);
public boolean containsKey(Object key);
public boolean containsValue(V value);
public boolean containsValue(Object value);
public V get(K key);

4
classpath/java/util/WeakHashMap.java
View File

@ -44,12 +44,12 @@ public class WeakHashMap<K, V> implements Map<K, V> {
return map.size();
}
public boolean containsKey(K key) {
public boolean containsKey(Object key) {
poll();
return map.containsKey(key);
}
public boolean containsValue(V value) {
public boolean containsValue(Object value) {
poll();
return map.containsValue(value);
}