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java.lang.Object com.google.common.collect.ForwardingObject com.google.common.collect.ForwardingMap<TypeToken<? extends B>,B> com.google.common.reflect.ImmutableTypeToInstanceMap<B>
@Beta public final class ImmutableTypeToInstanceMap<B>
A type-to-instance map backed by an ImmutableMap
. See also MutableTypeToInstanceMap
.
Nested Class Summary | |
---|---|
static class |
ImmutableTypeToInstanceMap.Builder<B>
A builder for creating immutable type-to-instance maps. |
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
|
builder()
Returns a new builder. |
|
protected Map<TypeToken<? extends B>,B> |
delegate()
Returns the backing delegate instance that methods are forwarded to. |
|
|
getInstance(Class<T> type)
Returns the value the specified class is mapped to, or null if no
entry for this class is present. |
|
|
getInstance(TypeToken<T> type)
Returns the value the specified type is mapped to, or null if no
entry for this type is present. |
|
static
|
of()
Returns an empty type to instance map. |
|
|
putInstance(Class<T> type,
T value)
Guaranteed to throw an exception and leave the map unmodified. |
|
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putInstance(TypeToken<T> type,
T value)
Guaranteed to throw an exception and leave the map unmodified. |
Methods inherited from class com.google.common.collect.ForwardingMap |
---|
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, standardClear, standardContainsKey, standardContainsValue, standardEquals, standardHashCode, standardIsEmpty, standardPutAll, standardRemove, standardToString, values |
Methods inherited from class com.google.common.collect.ForwardingObject |
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toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Map |
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clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
Method Detail |
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public static <B> ImmutableTypeToInstanceMap<B> of()
public static <B> ImmutableTypeToInstanceMap.Builder<B> builder()
public <T extends B> T getInstance(TypeToken<T> type)
TypeToInstanceMap
null
if no
entry for this type is present. This will only return a value that was
bound to this specific type, not a value that may have been bound to a subtype.
getInstance
in interface TypeToInstanceMap<B>
public <T extends B> T putInstance(TypeToken<T> type, T value)
putInstance
in interface TypeToInstanceMap<B>
null
),
or null
if there was no previous entry.
UnsupportedOperationException
- alwayspublic <T extends B> T getInstance(Class<T> type)
TypeToInstanceMap
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(Foo.class)
is equivalent to
getInstance(TypeToken.of(Foo.class))
.
getInstance
in interface TypeToInstanceMap<B>
public <T extends B> T putInstance(Class<T> type, T value)
putInstance
in interface TypeToInstanceMap<B>
null
),
or null
if there was no previous entry.
UnsupportedOperationException
- alwaysprotected Map<TypeToken<? extends B>,B> delegate()
ForwardingObject
ForwardingSet.delegate()
. Concrete subclasses override this method to supply
the instance being decorated.
delegate
in class ForwardingMap<TypeToken<? extends B>,B>
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