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java.lang.Objectcom.google.common.collect.ForwardingObject
com.google.common.collect.ForwardingMap<K,V>
com.google.common.collect.MutableClassToInstanceMap<B>
public final class MutableClassToInstanceMap<B>
A mutable class-to-instance map backed by an arbitrary user-provided map.
See also ImmutableClassToInstanceMap.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from class com.google.common.collect.ForwardingMap |
|---|
ForwardingMap.StandardEntrySet, ForwardingMap.StandardKeySet, ForwardingMap.StandardValues |
| Nested classes/interfaces inherited from interface java.util.Map |
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Map.Entry<K,V> |
| Method Summary | ||
|---|---|---|
static
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create()
Returns a new MutableClassToInstanceMap instance backed by a HashMap using the default initial capacity and load factor. |
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static
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create(Map<Class<? extends B>,B> backingMap)
Returns a new MutableClassToInstanceMap instance backed by a given
empty backingMap. |
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protected Map<K,V> |
delegate()
Returns the backing delegate instance that methods are forwarded to. |
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Set<Map.Entry<K,V>> |
entrySet()
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getInstance(Class<T> type)
Returns the value the specified class is mapped to, or null if no
entry for this class is present. |
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V |
put(K key,
V value)
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void |
putAll(Map<? extends K,? extends V> map)
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putInstance(Class<T> type,
T value)
Maps the specified class to the specified value. |
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| Methods inherited from class com.google.common.collect.ForwardingMap |
|---|
clear, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, remove, size, standardClear, standardContainsKey, standardContainsValue, standardEquals, standardHashCode, standardIsEmpty, standardPutAll, standardRemove, standardToString, values |
| Methods inherited from class com.google.common.collect.ForwardingObject |
|---|
toString |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface java.util.Map |
|---|
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
| Method Detail |
|---|
public static <B> MutableClassToInstanceMap<B> create()
MutableClassToInstanceMap instance backed by a HashMap using the default initial capacity and load factor.
public static <B> MutableClassToInstanceMap<B> create(Map<Class<? extends B>,B> backingMap)
MutableClassToInstanceMap instance backed by a given
empty backingMap. The caller surrenders control of the backing map,
and thus should not allow any direct references to it to remain accessible.
public <T extends B> T putInstance(Class<T> type,
T value)
ClassToInstanceMap
putInstance in interface ClassToInstanceMap<B>null), or null if there was no previous entry.public <T extends B> T getInstance(Class<T> type)
ClassToInstanceMapnull if no
entry for this class is present. This will only return a value that was
bound to this specific class, not a value that may have been bound to a
subtype.
getInstance in interface ClassToInstanceMap<B>protected Map<K,V> delegate()
ForwardingObjectForwardingSet.delegate(). Concrete subclasses override this method to supply
the instance being decorated.
delegate in class ForwardingMap<K,V>public Set<Map.Entry<K,V>> entrySet()
entrySet in interface Map<K,V>entrySet in class ForwardingMap<K,V>
public V put(K key,
V value)
put in interface Map<K,V>put in class ForwardingMap<K,V>public void putAll(Map<? extends K,? extends V> map)
putAll in interface Map<K,V>putAll in class ForwardingMap<K,V>
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