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java.lang.Objectcom.google.common.collect.ImmutableClassToInstanceMap.Builder<B>
public static final class ImmutableClassToInstanceMap.Builder<B>
A builder for creating immutable class-to-instance maps. Example:
static final ImmutableClassToInstanceMap<Handler> HANDLERS =
new ImmutableClassToInstanceMap.Builder<Handler>()
.put(FooHandler.class, new FooHandler())
.put(BarHandler.class, new SubBarHandler())
.put(Handler.class, new QuuxHandler())
.build();
After invoking build() it is still possible to add more entries
and build again. Thus each map generated by this builder will be a superset
of any map generated before it.
| Constructor Summary | |
|---|---|
ImmutableClassToInstanceMap.Builder()
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| Method Summary | ||
|---|---|---|
ImmutableClassToInstanceMap<B> |
build()
Returns a new immutable class-to-instance map containing the entries provided to this builder. |
|
|
put(Class<T> key,
T value)
Associates key with value in the built map. |
|
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putAll(Map<? extends Class<? extends T>,? extends T> map)
Associates all of map's keys and values in the built map. |
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| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ImmutableClassToInstanceMap.Builder()
| Method Detail |
|---|
public <T extends B> ImmutableClassToInstanceMap.Builder<B> put(Class<T> key,
T value)
key with value in the built map. Duplicate
keys are not allowed, and will cause build() to fail.
public <T extends B> ImmutableClassToInstanceMap.Builder<B> putAll(Map<? extends Class<? extends T>,? extends T> map)
map's keys and values in the built map.
Duplicate keys are not allowed, and will cause build() to fail.
NullPointerException - if any key or value in map is null
ClassCastException - if any value is not an instance of the type
specified by its keypublic ImmutableClassToInstanceMap<B> build()
IllegalArgumentException - if duplicate keys were added
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