@GwtIncompatible public final class MutableClassToInstanceMap<B> extends ForwardingMap<java.lang.Class<? extends B>,B> implements ClassToInstanceMap<B>, java.io.Serializable
ImmutableClassToInstanceMap
.
See the Guava User Guide article on ClassToInstanceMap
.
ForwardingMap.StandardEntrySet, ForwardingMap.StandardKeySet, ForwardingMap.StandardValues
Modifier and Type | Method and Description |
---|---|
static <B> MutableClassToInstanceMap<B> |
create()
Returns a new
MutableClassToInstanceMap instance backed by a HashMap using the
default initial capacity and load factor. |
static <B> MutableClassToInstanceMap<B> |
create(java.util.Map<java.lang.Class<? extends B>,B> backingMap)
Returns a new
MutableClassToInstanceMap instance backed by a given empty backingMap . |
protected java.util.Map<java.lang.Class<? extends B>,B> |
delegate()
Returns the backing delegate instance that methods are forwarded to.
|
java.util.Set<java.util.Map.Entry<java.lang.Class<? extends B>,B>> |
entrySet() |
<T extends B> |
getInstance(java.lang.Class<T> type)
Returns the value the specified class is mapped to, or
null if no entry for this class
is present. |
B |
put(java.lang.Class<? extends B> key,
B value) |
void |
putAll(java.util.Map<? extends java.lang.Class<? extends B>,? extends B> map) |
<T extends B> |
putInstance(java.lang.Class<T> type,
T value)
Maps the specified class to the specified value.
|
clear, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, remove, size, standardClear, standardContainsKey, standardContainsValue, standardEquals, standardHashCode, standardIsEmpty, standardPutAll, standardRemove, standardToString, values
toString
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(java.util.Map<java.lang.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.protected java.util.Map<java.lang.Class<? extends B>,B> delegate()
ForwardingObject
ForwardingSet.delegate()
. Concrete subclasses override this method to supply the
instance being decorated.delegate
in class ForwardingMap<java.lang.Class<? extends B>,B>
@CanIgnoreReturnValue public <T extends B> T putInstance(java.lang.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(java.lang.Class<T> type)
ClassToInstanceMap
null
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>
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