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/*
* Copyright (C) 2009 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.collect;
import com.google.common.annotations.GwtIncompatible;
import com.google.errorprone.annotations.DoNotCall;
import java.util.stream.Collector;
/**
* "Overrides" the {@link ImmutableSet} static methods that lack {@link ImmutableSortedSet}
* equivalents with deprecated, exception-throwing versions. This prevents accidents like the
* following:
*
* <pre>{@code
* List<Object> objects = ...;
* // Sort them:
* Set<Object> sorted = ImmutableSortedSet.copyOf(objects);
* // BAD CODE! The returned set is actually an unsorted ImmutableSet!
* }</pre>
*
* <p>While we could put the overrides in {@link ImmutableSortedSet} itself, it seems clearer to
* separate these "do not call" methods from those intended for normal use.
*
* @author Chris Povirk
*/
@GwtIncompatible
@ElementTypesAreNonnullByDefault
abstract class ImmutableSortedSetFauxverideShim<E> extends ImmutableSet.CachingAsList<E> {
/**
* Not supported. Use {@link ImmutableSortedSet#toImmutableSortedSet} instead. This method exists
* only to hide {@link ImmutableSet#toImmutableSet} from consumers of {@code ImmutableSortedSet}.
*
* @throws UnsupportedOperationException always
* @deprecated Use {@link ImmutableSortedSet#toImmutableSortedSet}.
* @since 21.0
*/
@DoNotCall("Use toImmutableSortedSet")
@Deprecated
public static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
throw new UnsupportedOperationException();
}
/**
* Not supported. Use {@link ImmutableSortedSet#naturalOrder}, which offers better type-safety,
* instead. This method exists only to hide {@link ImmutableSet#builder} from consumers of {@code
* ImmutableSortedSet}.
*
* @throws UnsupportedOperationException always
* @deprecated Use {@link ImmutableSortedSet#naturalOrder}, which offers better type-safety.
*/
@DoNotCall("Use naturalOrder")
@Deprecated
public static <E> ImmutableSortedSet.Builder<E> builder() {
throw new UnsupportedOperationException();
}
/**
* Not supported. This method exists only to hide {@link ImmutableSet#builderWithExpectedSize}
* from consumers of {@code ImmutableSortedSet}.
*
* @throws UnsupportedOperationException always
* @deprecated Not supported by ImmutableSortedSet.
*/
@DoNotCall("Use naturalOrder (which does not accept an expected size)")
@Deprecated
public static <E> ImmutableSortedSet.Builder<E> builderWithExpectedSize(int expectedSize) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass a parameter of type {@code Comparable} to use {@link
* ImmutableSortedSet#of(Comparable)}.</b>
*/
@DoNotCall("Pass a parameter of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E element) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass the parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#of(Comparable, Comparable)}.</b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E e1, E e2) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass the parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#of(Comparable, Comparable, Comparable)}.</b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E e1, E e2, E e3) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass the parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#of(Comparable, Comparable, Comparable, Comparable)}. </b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E e1, E e2, E e3, E e4) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass the parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#of( Comparable, Comparable, Comparable, Comparable, Comparable)}. </b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E e1, E e2, E e3, E e4, E e5) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain a non-{@code Comparable}
* element.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass the parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#of(Comparable, Comparable, Comparable, Comparable, Comparable,
* Comparable, Comparable...)}. </b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> of(E e1, E e2, E e3, E e4, E e5, E e6, E... remaining) {
throw new UnsupportedOperationException();
}
/**
* Not supported. <b>You are attempting to create a set that may contain non-{@code Comparable}
* elements.</b> Proper calls will resolve to the version in {@code ImmutableSortedSet}, not this
* dummy version.
*
* @throws UnsupportedOperationException always
* @deprecated <b>Pass parameters of type {@code Comparable} to use {@link
* ImmutableSortedSet#copyOf(Comparable[])}.</b>
*/
@DoNotCall("Pass parameters of type Comparable")
@Deprecated
public static <E> ImmutableSortedSet<E> copyOf(E[] elements) {
throw new UnsupportedOperationException();
}
/*
* We would like to include an unsupported "<E> copyOf(Iterable<E>)" here,
* providing only the properly typed
* "<E extends Comparable<E>> copyOf(Iterable<E>)" in ImmutableSortedSet (and
* likewise for the Iterator equivalent). However, due to a change in Sun's
* interpretation of the JLS (as described at
* http://bugs.sun.com/view_bug.do?bug_id=6182950), the OpenJDK 7 compiler
* available as of this writing rejects our attempts. To maintain
* compatibility with that version and with any other compilers that interpret
* the JLS similarly, there is no definition of copyOf() here, and the
* definition in ImmutableSortedSet matches that in ImmutableSet.
*
* The result is that ImmutableSortedSet.copyOf() may be called on
* non-Comparable elements. We have not discovered a better solution. In
* retrospect, the static factory methods should have gone in a separate class
* so that ImmutableSortedSet wouldn't "inherit" too-permissive factory
* methods from ImmutableSet.
*/
}
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