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Diffstat (limited to 'guava/src/com/google/common/reflect/ImmutableTypeToInstanceMap.java')
-rw-r--r--guava/src/com/google/common/reflect/ImmutableTypeToInstanceMap.java138
1 files changed, 0 insertions, 138 deletions
diff --git a/guava/src/com/google/common/reflect/ImmutableTypeToInstanceMap.java b/guava/src/com/google/common/reflect/ImmutableTypeToInstanceMap.java
deleted file mode 100644
index 43e5e1e..0000000
--- a/guava/src/com/google/common/reflect/ImmutableTypeToInstanceMap.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2012 The Guava Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.common.reflect;
-
-import com.google.common.annotations.Beta;
-import com.google.common.collect.ForwardingMap;
-import com.google.common.collect.ImmutableMap;
-
-import java.util.Map;
-
-/**
- * A type-to-instance map backed by an {@link ImmutableMap}. See also {@link
- * MutableTypeToInstanceMap}.
- *
- * @author Ben Yu
- * @since 13.0
- */
-@Beta
-public final class ImmutableTypeToInstanceMap<B> extends ForwardingMap<TypeToken<? extends B>, B>
- implements TypeToInstanceMap<B> {
-
- /** Returns an empty type to instance map. */
- public static <B> ImmutableTypeToInstanceMap<B> of() {
- return new ImmutableTypeToInstanceMap<B>(ImmutableMap.<TypeToken<? extends B>, B>of());
- }
-
- /** Returns a new builder. */
- public static <B> Builder<B> builder() {
- return new Builder<B>();
- }
-
- /**
- * A builder for creating immutable type-to-instance maps. Example:
- * <pre> {@code
- *
- * static final ImmutableTypeToInstanceMap<Handler<?>> HANDLERS =
- * ImmutableTypeToInstanceMap.<Handler<?>>builder()
- * .put(new TypeToken<Handler<Foo>>() {}, new FooHandler())
- * .put(new TypeToken<Handler<Bar>>() {}, new SubBarHandler())
- * .build();}</pre>
- *
- * After invoking {@link #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.
- *
- * @since 13.0
- */
- @Beta
- public static final class Builder<B> {
- private final ImmutableMap.Builder<TypeToken<? extends B>, B> mapBuilder
- = ImmutableMap.builder();
-
- private Builder() {}
-
- /**
- * Associates {@code key} with {@code value} in the built map. Duplicate
- * keys are not allowed, and will cause {@link #build} to fail.
- */
- public <T extends B> Builder<B> put(Class<T> key, T value) {
- mapBuilder.put(TypeToken.of(key), value);
- return this;
- }
-
- /**
- * Associates {@code key} with {@code value} in the built map. Duplicate
- * keys are not allowed, and will cause {@link #build} to fail.
- */
- public <T extends B> Builder<B> put(TypeToken<T> key, T value) {
- mapBuilder.put(key.rejectTypeVariables(), value);
- return this;
- }
-
- /**
- * Returns a new immutable type-to-instance map containing the entries
- * provided to this builder.
- *
- * @throws IllegalArgumentException if duplicate keys were added
- */
- public ImmutableTypeToInstanceMap<B> build() {
- return new ImmutableTypeToInstanceMap<B>(mapBuilder.build());
- }
- }
-
- private final ImmutableMap<TypeToken<? extends B>, B> delegate;
-
- private ImmutableTypeToInstanceMap(ImmutableMap<TypeToken<? extends B>, B> delegate) {
- this.delegate = delegate;
- }
-
- @Override public <T extends B> T getInstance(TypeToken<T> type) {
- return trustedGet(type.rejectTypeVariables());
- }
-
- /**
- * Guaranteed to throw an exception and leave the map unmodified.
- *
- * @throws UnsupportedOperationException always
- */
- @Override public <T extends B> T putInstance(TypeToken<T> type, T value) {
- throw new UnsupportedOperationException();
- }
-
- @Override public <T extends B> T getInstance(Class<T> type) {
- return trustedGet(TypeToken.of(type));
- }
-
- /**
- * Guaranteed to throw an exception and leave the map unmodified.
- *
- * @throws UnsupportedOperationException always
- */
- @Override public <T extends B> T putInstance(Class<T> type, T value) {
- throw new UnsupportedOperationException();
- }
-
- @Override protected Map<TypeToken<? extends B>, B> delegate() {
- return delegate;
- }
-
- @SuppressWarnings("unchecked") // value could not get in if not a T
- private <T extends B> T trustedGet(TypeToken<T> type) {
- return (T) delegate.get(type);
- }
-}