com.google.common.collect.RegularImmutableAsList Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of guava Show documentation
Show all versions of guava Show documentation
Builds the guava lib. Requires the jsr305 be built first.
/*
* 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.collect;
import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.function.Consumer;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* An {@link ImmutableAsList} implementation specialized for when the delegate collection is already
* backed by an {@code ImmutableList} or array.
*
* @author Louis Wasserman
*/
@GwtCompatible(emulated = true)
@SuppressWarnings("serial") // uses writeReplace, not default serialization
@ElementTypesAreNonnullByDefault
class RegularImmutableAsList extends ImmutableAsList {
private final ImmutableCollection delegate;
private final ImmutableList extends E> delegateList;
RegularImmutableAsList(ImmutableCollection delegate, ImmutableList extends E> delegateList) {
this.delegate = delegate;
this.delegateList = delegateList;
}
RegularImmutableAsList(ImmutableCollection delegate, Object[] array) {
this(delegate, ImmutableList.asImmutableList(array));
}
@Override
ImmutableCollection delegateCollection() {
return delegate;
}
ImmutableList extends E> delegateList() {
return delegateList;
}
@SuppressWarnings("unchecked") // safe covariant cast!
@Override
public UnmodifiableListIterator listIterator(int index) {
return (UnmodifiableListIterator) delegateList.listIterator(index);
}
@GwtIncompatible // not present in emulated superclass
@Override
public void forEach(Consumer super E> action) {
delegateList.forEach(action);
}
@GwtIncompatible // not present in emulated superclass
@Override
int copyIntoArray(@Nullable Object[] dst, int offset) {
return delegateList.copyIntoArray(dst, offset);
}
@Override
@CheckForNull
Object[] internalArray() {
return delegateList.internalArray();
}
@Override
int internalArrayStart() {
return delegateList.internalArrayStart();
}
@Override
int internalArrayEnd() {
return delegateList.internalArrayEnd();
}
@Override
public E get(int index) {
return delegateList.get(index);
}
// redeclare to help optimizers with b/310253115
@SuppressWarnings("RedundantOverride")
@Override
@J2ktIncompatible // serialization
@GwtIncompatible // serialization
Object writeReplace() {
return super.writeReplace();
}
}