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Spring Cloud Contract Shaded Dependencies
/*
* Copyright (C) 2015 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 shaded.shaded.com.google.common.collect;
import static shaded.shaded.com.google.common.base.Preconditions.checkNotNull;
import shaded.shaded.com.google.common.annotations.GwtCompatible;
import java.util.Queue;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* An Iterator implementation which draws elements from a queue, removing them from the queue as it
* iterates. This class is not thread safe.
*/
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class ConsumingQueueIterator extends AbstractIterator {
private final Queue queue;
ConsumingQueueIterator(Queue queue) {
this.queue = checkNotNull(queue);
}
@Override
@CheckForNull
protected T computeNext() {
// TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
if (queue.isEmpty()) {
return endOfData();
}
return queue.remove();
}
}