/*
 * Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
 *
 * 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
 *
 *       https://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 reactor.core.publisher;

Strategies to deal with overflow of a buffer during backpressure buffering.
Author:Simon Baslé
/** * Strategies to deal with overflow of a buffer during * {@link Flux#onBackpressureBuffer(int, BufferOverflowStrategy) * backpressure buffering}. * * @author Simon Baslé */
public enum BufferOverflowStrategy {
Propagate an IllegalStateException when the buffer is full.
/** * Propagate an {@link IllegalStateException} when the buffer is full. */
ERROR,
Drop the new element without propagating an error when the buffer is full.
/** * Drop the new element without propagating an error when the buffer is full. */
DROP_LATEST,
When the buffer is full, remove the oldest element from it and offer the new element at the end instead. Do not propagate an error.
/** * When the buffer is full, remove the oldest element from it and offer the * new element at the end instead. Do not propagate an error. */
DROP_OLDEST }