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Producer.java
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/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx;
/**
* @warn javadoc description missing
*/
public interface Producer {
/**
* Request a certain maximum number of items from this Producer. This is a way of requesting backpressure.
* To disable backpressure, pass {@code Long.MAX_VALUE} to this method.
* <p>
* Requests are additive but if a sequence of requests totals more than {@code Long.MAX_VALUE} then
* {@code Long.MAX_VALUE} requests will be actioned and the extras <i>may</i> be ignored. Arriving at
* {@code Long.MAX_VALUE} by addition of requests cannot be assumed to disable backpressure. For example,
* the code below may result in {@code Long.MAX_VALUE} requests being actioned only.
*
* <pre>
* request(100);
* request(Long.MAX_VALUE-1);
* </pre>
*
* @param n the maximum number of items you want this Producer to produce, or {@code Long.MAX_VALUE} if you
* want the Producer to produce items at its own pace
*/
void request(long n);
}