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HollowProducerListenerV2.java
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HollowProducerListenerV2.java
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/*
*
* Copyright 2018 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 com.netflix.hollow.api.producer;
import com.netflix.hollow.api.producer.listener.CycleListener;
/**
* An extension of {@link HollowProducerListener} to allow adding new methods without
* breaking backwards compatability.
* Subclasses should extend {@link AbstractHollowProducerListener} to avoid having to
* override every method in this interface.
* TODO(hollow3): Collapse this into HollowProducerListener.
*/
public interface HollowProducerListenerV2 extends HollowProducerListener {
enum CycleSkipReason {
NOT_PRIMARY_PRODUCER;
}
// CycleListener
@Override
default void onCycleSkip(CycleListener.CycleSkipReason reason) {
CycleSkipReason r = reason == null ? null : CycleSkipReason.NOT_PRIMARY_PRODUCER;
onCycleSkip(r);
}
/**
* Called when a cycle is skipped.
* @param reason the reason a cycle is skipped
*/
void onCycleSkip(CycleSkipReason reason);
}